*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/brin_internal.h"
#include "access/htup_details.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
-#include "utils/catcache.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_type.h"
+#include "utils/builtins.h"
#include "utils/syscache.h"
/*
* Validator for a BRIN opclass.
+ *
+ * Some of the checks done here cover the whole opfamily, and therefore are
+ * redundant when checking each opclass in a family. But they don't run long
+ * enough to be much of a problem, so we accept the duplication rather than
+ * complicate the amvalidate API.
*/
bool
brinvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
- int i,
- j;
+ uint64 allfuncs = 0;
+ uint64 allops = 0;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
+ int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
+ bool ok;
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum < 1 ||
- procform->amprocnum > BRIN_LAST_OPTIONAL_PROCNUM)
- ereport(ERROR,
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case BRIN_PROCNUM_OPCINFO:
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, true,
+ 1, 1, INTERNALOID);
+ break;
+ case BRIN_PROCNUM_ADDVALUE:
+ ok = check_amproc_signature(procform->amproc, BOOLOID, true,
+ 4, 4, INTERNALOID, INTERNALOID,
+ INTERNALOID, INTERNALOID);
+ break;
+ case BRIN_PROCNUM_CONSISTENT:
+ ok = check_amproc_signature(procform->amproc, BOOLOID, true,
+ 3, 3, INTERNALOID, INTERNALOID,
+ INTERNALOID);
+ break;
+ case BRIN_PROCNUM_UNION:
+ ok = check_amproc_signature(procform->amproc, BOOLOID, true,
+ 3, 3, INTERNALOID, INTERNALOID,
+ INTERNALOID);
+ break;
+ default:
+ /* Complain if it's not a valid optional proc number */
+ if (procform->amprocnum < BRIN_FIRST_OPTIONAL_PROCNUM ||
+ procform->amprocnum > BRIN_LAST_OPTIONAL_PROCNUM)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("brin opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ continue; /* omit bad proc numbers from allfuncs */
+ }
+ /* Can't check signatures of optional procs, so assume OK */
+ ok = true;
+ break;
+ }
+
+ if (!ok)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("brin opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
+
+ /* Track all valid procedure numbers seen in opfamily */
+ allfuncs |= ((uint64) 1) << procform->amprocnum;
}
- /* Check operators */
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
Form_pg_amop oprform = (Form_pg_amop) GETSTRUCT(oprtup);
- bool found = false;
- /* TODO: Check that only allowed strategy numbers exist */
- if (oprform->amopstrategy < 1)
- ereport(ERROR,
+ /* Check that only allowed strategy numbers exist */
+ if (oprform->amopstrategy < 1 || oprform->amopstrategy > 63)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
-
- /* TODO: check more thoroughly for missing support functions */
- for (j = 0; j < proclist->n_members; j++)
+ errmsg("brin opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
+ else
{
- HeapTuple proctup = &proclist->members[j]->tuple;
- Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
-
- /* note only the operator's lefttype matters */
- if (procform->amproclefttype == oprform->amoplefttype &&
- procform->amprocrighttype == oprform->amoplefttype)
- {
- found = true;
- break;
- }
+ /*
+ * The set of operators supplied varies across BRIN opfamilies.
+ * Our plan is to identify all operator strategy numbers used in
+ * the opfamily and then complain about datatype combinations that
+ * are missing any operator(s). However, consider only numbers
+ * that appear in some non-cross-type case, since cross-type
+ * operators may have unique strategies. (This is not a great
+ * heuristic, in particular an erroneous number used in a
+ * cross-type operator will not get noticed; but the core BRIN
+ * opfamilies are messy enough to make it necessary.)
+ */
+ if (oprform->amoplefttype == oprform->amoprighttype)
+ allops |= ((uint64) 1) << oprform->amopstrategy;
}
- if (!found)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opfamily %u lacks support function for operator %u",
- opfamilyoid, oprform->amopopr)));
-
/* brin doesn't support ORDER BY operators */
if (oprform->amoppurpose != AMOP_SEARCH ||
OidIsValid(oprform->amopsortfamily))
- ereport(ERROR,
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("brin opfamily %s contains invalid ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+
+ /* Check operator signature --- same for all brin strategies */
+ if (!check_amop_signature(oprform->amopopr, BOOLOID,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opfamily %u contains invalid ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("brin opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ }
+
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
+
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
- /* Count operators that are specifically for the named opclass */
- if (oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype)
- numclassops++;
+ /*
+ * Some BRIN opfamilies expect cross-type support functions to exist,
+ * and some don't. We don't know exactly which are which, so if we
+ * find a cross-type operator for which there are no support functions
+ * at all, let it pass. (Don't expect that all operators exist for
+ * such cross-type cases, either.)
+ */
+ if (thisgroup->functionset == 0 &&
+ thisgroup->lefttype != thisgroup->righttype)
+ continue;
+
+ /*
+ * Else complain if there seems to be an incomplete set of either
+ * operators or support functions for this datatype pair.
+ */
+ if (thisgroup->operatorset != allops)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("brin opfamily %s is missing operator(s) for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
+ }
+ if (thisgroup->functionset != allfuncs)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("brin opfamily %s is missing support function(s) for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
+ }
}
- /* Check that the named opclass is complete */
- if (numclassops == 0)
- ereport(ERROR,
+ /* Check that the originally-named opclass is complete */
+ if (!opclassgroup || opclassgroup->operatorset != allops)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opclass %u is missing operator(s)",
- opclassoid)));
+ errmsg("brin opclass %s is missing operator(s)",
+ opclassname)));
+ result = false;
+ }
for (i = 1; i <= BRIN_MANDATORY_NPROCS; i++)
{
- if ((classfuncbits & (1 << i)) != 0)
+ if (opclassgroup &&
+ (opclassgroup->functionset & (((int64) 1) << i)) != 0)
continue; /* got it */
- ereport(ERROR,
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("brin opclass %u is missing required support function %d",
- opclassoid, i)));
+ errmsg("brin opclass %s is missing support function %d",
+ opclassname, i)));
+ result = false;
}
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
- return true;
+ return result;
}
*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/gin_private.h"
#include "access/htup_details.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
-#include "utils/catcache.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_type.h"
+#include "utils/builtins.h"
+#include "utils/lsyscache.h"
#include "utils/syscache.h"
bool
ginvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ Oid opckeytype;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opckeytype = classform->opckeytype;
+ if (!OidIsValid(opckeytype))
+ opckeytype = opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
+ bool ok;
+
+ /*
+ * All GIN support functions should be registered with matching
+ * left/right types
+ */
+ if (procform->amproclefttype != procform->amprocrighttype)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gin opfamily %s contains support procedure %s with cross-type registration",
+ opfamilyname,
+ format_procedure(procform->amproc))));
+ result = false;
+ }
+
+ /*
+ * We can't check signatures except within the specific opclass, since
+ * we need to know the associated opckeytype in many cases.
+ */
+ if (procform->amproclefttype != opcintype)
+ continue;
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum < 1 ||
- procform->amprocnum > GINNProcs)
- ereport(ERROR,
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case GIN_COMPARE_PROC:
+ ok = check_amproc_signature(procform->amproc, INT4OID, false,
+ 2, 2, opckeytype, opckeytype);
+ break;
+ case GIN_EXTRACTVALUE_PROC:
+ /* Some opclasses omit nullFlags */
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, false,
+ 2, 3, opcintype, INTERNALOID,
+ INTERNALOID);
+ break;
+ case GIN_EXTRACTQUERY_PROC:
+ /* Some opclasses omit nullFlags and searchMode */
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, false,
+ 5, 7, opcintype, INTERNALOID,
+ INT2OID, INTERNALOID, INTERNALOID,
+ INTERNALOID, INTERNALOID);
+ break;
+ case GIN_CONSISTENT_PROC:
+ /* Some opclasses omit queryKeys and nullFlags */
+ ok = check_amproc_signature(procform->amproc, BOOLOID, false,
+ 6, 8, INTERNALOID, INT2OID,
+ opcintype, INT4OID,
+ INTERNALOID, INTERNALOID,
+ INTERNALOID, INTERNALOID);
+ break;
+ case GIN_COMPARE_PARTIAL_PROC:
+ ok = check_amproc_signature(procform->amproc, INT4OID, false,
+ 4, 4, opckeytype, opckeytype,
+ INT2OID, INTERNALOID);
+ break;
+ case GIN_TRICONSISTENT_PROC:
+ ok = check_amproc_signature(procform->amproc, CHAROID, false,
+ 7, 7, INTERNALOID, INT2OID,
+ opcintype, INT4OID,
+ INTERNALOID, INTERNALOID,
+ INTERNALOID);
+ break;
+ default:
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gin opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ continue; /* don't want additional message */
+ }
+
+ if (!ok)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("gin opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
}
- /* Check operators */
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
Form_pg_amop oprform = (Form_pg_amop) GETSTRUCT(oprtup);
/* TODO: Check that only allowed strategy numbers exist */
- if (oprform->amopstrategy < 1)
- ereport(ERROR,
+ if (oprform->amopstrategy < 1 || oprform->amopstrategy > 63)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
+ errmsg("gin opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
/* gin doesn't support ORDER BY operators */
if (oprform->amoppurpose != AMOP_SEARCH ||
OidIsValid(oprform->amopsortfamily))
- ereport(ERROR,
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opfamily %u contains invalid ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("gin opfamily %s contains invalid ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
- /* Count operators that are specifically for the named opclass */
- if (oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype)
- numclassops++;
+ /* Check operator signature --- same for all gin strategies */
+ if (!check_amop_signature(oprform->amopopr, BOOLOID,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gin opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
}
- /* Check that the named opclass is complete */
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
- /* XXX needs work: we need to detect applicability of ANYARRAY operators */
-#ifdef NOT_USED
- if (numclassops == 0)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opclass %u is missing operator(s)",
- opclassoid)));
-#endif
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
+
+ /*
+ * There is not a lot we can do to check the operator sets, since each
+ * GIN opclass is more or less a law unto itself, and some contain
+ * only operators that are binary-compatible with the opclass datatype
+ * (meaning that empty operator sets can be OK). That case also means
+ * that we shouldn't insist on nonempty function sets except for the
+ * opclass's own group.
+ */
+ }
+ /* Check that the originally-named opclass is complete */
for (i = 1; i <= GINNProcs; i++)
{
- if ((classfuncbits & (1 << i)) != 0)
+ if (opclassgroup && (opclassgroup->functionset & (1 << i)) != 0)
continue; /* got it */
if (i == GIN_COMPARE_PARTIAL_PROC)
continue; /* optional method */
if (i == GIN_CONSISTENT_PROC || i == GIN_TRICONSISTENT_PROC)
- continue; /* don't need to have both, see check below
- * loop */
- ereport(ERROR,
+ continue; /* don't need both, see check below loop */
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opclass %u is missing required support function %d",
- opclassoid, i)));
+ errmsg("gin opclass %s is missing support function %d",
+ opclassname, i)));
+ result = false;
}
- if ((classfuncbits & (1 << GIN_CONSISTENT_PROC)) == 0 &&
- (classfuncbits & (1 << GIN_TRICONSISTENT_PROC)) == 0)
- ereport(ERROR,
+ if (!opclassgroup ||
+ ((opclassgroup->functionset & (1 << GIN_CONSISTENT_PROC)) == 0 &&
+ (opclassgroup->functionset & (1 << GIN_TRICONSISTENT_PROC)) == 0))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gin opclass %u is missing required support function",
- opclassoid)));
+ errmsg("gin opclass %s is missing support function %d or %d",
+ opclassname,
+ GIN_CONSISTENT_PROC, GIN_TRICONSISTENT_PROC)));
+ result = false;
+ }
+
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
- return true;
+ return result;
}
*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/gist_private.h"
#include "access/htup_details.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
-#include "utils/catcache.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_type.h"
+#include "utils/builtins.h"
+#include "utils/lsyscache.h"
#include "utils/syscache.h"
bool
gistvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ Oid opckeytype;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opckeytype = classform->opckeytype;
+ if (!OidIsValid(opckeytype))
+ opckeytype = opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
+ bool ok;
+
+ /*
+ * All GiST support functions should be registered with matching
+ * left/right types
+ */
+ if (procform->amproclefttype != procform->amprocrighttype)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gist opfamily %s contains support procedure %s with cross-type registration",
+ opfamilyname,
+ format_procedure(procform->amproc))));
+ result = false;
+ }
+
+ /*
+ * We can't check signatures except within the specific opclass, since
+ * we need to know the associated opckeytype in many cases.
+ */
+ if (procform->amproclefttype != opcintype)
+ continue;
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum < 1 ||
- procform->amprocnum > GISTNProcs)
- ereport(ERROR,
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case GIST_CONSISTENT_PROC:
+ ok = check_amproc_signature(procform->amproc, BOOLOID, false,
+ 5, 5, INTERNALOID, opcintype,
+ INT2OID, OIDOID, INTERNALOID);
+ break;
+ case GIST_UNION_PROC:
+ ok = check_amproc_signature(procform->amproc, opckeytype, false,
+ 2, 2, INTERNALOID, INTERNALOID);
+ break;
+ case GIST_COMPRESS_PROC:
+ case GIST_DECOMPRESS_PROC:
+ case GIST_FETCH_PROC:
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, true,
+ 1, 1, INTERNALOID);
+ break;
+ case GIST_PENALTY_PROC:
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, true,
+ 3, 3, INTERNALOID,
+ INTERNALOID, INTERNALOID);
+ break;
+ case GIST_PICKSPLIT_PROC:
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, true,
+ 2, 2, INTERNALOID, INTERNALOID);
+ break;
+ case GIST_EQUAL_PROC:
+ ok = check_amproc_signature(procform->amproc, INTERNALOID, false,
+ 3, 3, opckeytype, opckeytype,
+ INTERNALOID);
+ break;
+ case GIST_DISTANCE_PROC:
+ ok = check_amproc_signature(procform->amproc, FLOAT8OID, false,
+ 5, 5, INTERNALOID, opcintype,
+ INT2OID, OIDOID, INTERNALOID);
+ break;
+ default:
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gist opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ continue; /* don't want additional message */
+ }
+
+ if (!ok)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gist opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("gist opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
}
- /* Check operators */
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
Form_pg_amop oprform = (Form_pg_amop) GETSTRUCT(oprtup);
+ Oid op_rettype;
/* TODO: Check that only allowed strategy numbers exist */
if (oprform->amopstrategy < 1)
- ereport(ERROR,
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gist opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
-
- /* GiST supports ORDER BY operators, but must have distance proc */
- if (oprform->amoppurpose != AMOP_SEARCH &&
- oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype &&
- (classfuncbits & (1 << GIST_DISTANCE_PROC)) == 0)
- ereport(ERROR,
+ errmsg("gist opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
+
+ /* GiST supports ORDER BY operators */
+ if (oprform->amoppurpose != AMOP_SEARCH)
+ {
+ /* ... but must have matching distance proc */
+ if (!OidIsValid(get_opfamily_proc(opfamilyoid,
+ oprform->amoplefttype,
+ oprform->amoplefttype,
+ GIST_DISTANCE_PROC)))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gist opfamily %s contains unsupported ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ /* ... and operator result must match the claimed btree opfamily */
+ op_rettype = get_op_rettype(oprform->amopopr);
+ if (!opfamily_can_sort_type(oprform->amopsortfamily, op_rettype))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("gist opfamily %s contains incorrect ORDER BY opfamily specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ }
+ else
+ {
+ /* Search operators must always return bool */
+ op_rettype = BOOLOID;
+ }
+
+ /* Check operator signature */
+ if (!check_amop_signature(oprform->amopopr, op_rettype,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gist opfamily %u contains unsupported ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("gist opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ }
+
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
- /* Count operators that are specifically for the named opclass */
- /* XXX we consider only lefttype here */
- if (oprform->amoplefttype == opcintype)
- numclassops++;
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
+
+ /*
+ * There is not a lot we can do to check the operator sets, since each
+ * GiST opclass is more or less a law unto itself, and some contain
+ * only operators that are binary-compatible with the opclass datatype
+ * (meaning that empty operator sets can be OK). That case also means
+ * that we shouldn't insist on nonempty function sets except for the
+ * opclass's own group.
+ */
}
- /* Check that the named opclass is complete */
- if (numclassops == 0)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gist opclass %u is missing operator(s)",
- opclassoid)));
+ /* Check that the originally-named opclass is complete */
for (i = 1; i <= GISTNProcs; i++)
{
- if ((classfuncbits & (1 << i)) != 0)
+ if (opclassgroup && (opclassgroup->functionset & (1 << i)) != 0)
continue; /* got it */
if (i == GIST_DISTANCE_PROC || i == GIST_FETCH_PROC)
continue; /* optional methods */
- ereport(ERROR,
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("gist opclass %u is missing required support function %d",
- opclassoid, i)));
+ errmsg("gist opclass %s is missing support function %d",
+ opclassname, i)));
+ result = false;
}
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
- return true;
+ return result;
}
*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/hash.h"
#include "access/htup_details.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_proc.h"
+#include "catalog/pg_type.h"
+#include "parser/parse_coerce.h"
#include "utils/builtins.h"
-#include "utils/catcache.h"
+#include "utils/fmgroids.h"
#include "utils/syscache.h"
+static bool check_hash_func_signature(Oid funcid, Oid restype, Oid argtype);
+
+
/*
* Validator for a hash opclass.
*
* redundant when checking each opclass in a family. But they don't run long
* enough to be much of a problem, so we accept the duplication rather than
* complicate the amvalidate API.
- *
- * Some of the code here relies on the fact that hash has only one operator
- * strategy and support function; we don't have to check for incomplete sets.
*/
bool
hashvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
- int i,
- j;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
+ List *hashabletypes = NIL;
+ int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum != HASHPROC)
- ereport(ERROR,
+ /*
+ * All hash functions should be registered with matching left/right
+ * types
+ */
+ if (procform->amproclefttype != procform->amprocrighttype)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("hash opfamily %s contains support procedure %s with cross-type registration",
+ opfamilyname,
+ format_procedure(procform->amproc))));
+ result = false;
+ }
+
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case HASHPROC:
+ if (!check_hash_func_signature(procform->amproc, INT4OID,
+ procform->amproclefttype))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
+ else
+ {
+ /* Remember which types we can hash */
+ hashabletypes =
+ list_append_unique_oid(hashabletypes,
+ procform->amproclefttype);
+ }
+ break;
+ default:
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ break;
+ }
}
- /* Check operators */
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
Form_pg_amop oprform = (Form_pg_amop) GETSTRUCT(oprtup);
- bool leftFound = false,
- rightFound = false;
/* Check that only allowed strategy numbers exist */
if (oprform->amopstrategy < 1 ||
oprform->amopstrategy > HTMaxStrategyNumber)
- ereport(ERROR,
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
+ errmsg("hash opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
- /*
- * There should be relevant hash procedures for each operator
- */
- for (j = 0; j < proclist->n_members; j++)
+ /* hash doesn't support ORDER BY operators */
+ if (oprform->amoppurpose != AMOP_SEARCH ||
+ OidIsValid(oprform->amopsortfamily))
{
- HeapTuple proctup = &proclist->members[j]->tuple;
- Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
-
- if (procform->amproclefttype == oprform->amoplefttype)
- leftFound = true;
- if (procform->amproclefttype == oprform->amoprighttype)
- rightFound = true;
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash opfamily %s contains invalid ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
}
- if (!leftFound || !rightFound)
- ereport(ERROR,
+ /* Check operator signature --- same for all hash strategies */
+ if (!check_amop_signature(oprform->amopopr, BOOLOID,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opfamily %u lacks support function for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("hash opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
- /* hash doesn't support ORDER BY operators */
- if (oprform->amoppurpose != AMOP_SEARCH ||
- OidIsValid(oprform->amopsortfamily))
- ereport(ERROR,
+ /* There should be relevant hash procedures for each datatype */
+ if (!list_member_oid(hashabletypes, oprform->amoplefttype) ||
+ !list_member_oid(hashabletypes, oprform->amoprighttype))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opfamily %u contains invalid ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("hash opfamily %s lacks support function for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ }
+
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
+
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
- /* Count operators that are specifically for the named opclass */
- if (oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype)
- numclassops++;
+ /*
+ * Complain if there seems to be an incomplete set of operators for
+ * this datatype pair (implying that we have a hash function but no
+ * operator).
+ */
+ if (thisgroup->operatorset != (1 << HTEqualStrategyNumber))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("hash opfamily %s is missing operator(s) for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
+ }
}
- /* Check that the named opclass is complete */
- if (numclassops != HTMaxStrategyNumber)
- ereport(ERROR,
+ /* Check that the originally-named opclass is supported */
+ /* (if group is there, we already checked it adequately above) */
+ if (!opclassgroup)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opclass %u is missing operator(s)",
- opclassoid)));
- if ((classfuncbits & (1 << HASHPROC)) == 0)
- ereport(ERROR,
+ errmsg("hash opclass %s is missing operator(s)",
+ opclassname)));
+ result = false;
+ }
+
+ /*
+ * Complain if the opfamily doesn't have entries for all possible
+ * combinations of its supported datatypes. While missing cross-type
+ * operators are not fatal, it seems reasonable to insist that all
+ * built-in hash opfamilies be complete.
+ */
+ if (list_length(grouplist) !=
+ list_length(hashabletypes) * list_length(hashabletypes))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("hash opclass %u is missing required support function",
- opclassoid)));
+ errmsg("hash opfamily %s is missing cross-type operator(s)",
+ opfamilyname)));
+ result = false;
+ }
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
+
+ return result;
+}
+
+
+/*
+ * We need a custom version of check_amproc_signature because of assorted
+ * hacks in the core hash opclass definitions.
+ */
+static bool
+check_hash_func_signature(Oid funcid, Oid restype, Oid argtype)
+{
+ bool result = true;
+ HeapTuple tp;
+ Form_pg_proc procform;
+
+ tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
+ if (!HeapTupleIsValid(tp))
+ elog(ERROR, "cache lookup failed for function %u", funcid);
+ procform = (Form_pg_proc) GETSTRUCT(tp);
+
+ if (procform->prorettype != restype || procform->proretset ||
+ procform->pronargs != 1)
+ result = false;
+
+ if (!IsBinaryCoercible(argtype, procform->proargtypes.values[0]))
+ {
+ /*
+ * Some of the built-in hash opclasses cheat by using hash functions
+ * that are different from but physically compatible with the opclass
+ * datatype. In some of these cases, even a "binary coercible" check
+ * fails because there's no relevant cast. For the moment, fix it by
+ * having a whitelist of allowed cases. Test the specific function
+ * identity, not just its input type, because hashvarlena() takes
+ * INTERNAL and allowing any such function seems too scary.
+ */
+ if (funcid == F_HASHINT4 &&
+ (argtype == DATEOID ||
+ argtype == ABSTIMEOID || argtype == RELTIMEOID ||
+ argtype == XIDOID || argtype == CIDOID))
+ /* okay, allowed use of hashint4() */ ;
+ else if (funcid == F_TIMESTAMP_HASH &&
+ argtype == TIMESTAMPTZOID)
+ /* okay, allowed use of timestamp_hash() */ ;
+ else if (funcid == F_HASHCHAR &&
+ argtype == BOOLOID)
+ /* okay, allowed use of hashchar() */ ;
+ else if (funcid == F_HASHVARLENA &&
+ argtype == BYTEAOID)
+ /* okay, allowed use of hashvarlena() */ ;
+ else
+ result = false;
+ }
- return true;
+ ReleaseSysCache(tp);
+ return result;
}
top_builddir = ../../../..
include $(top_builddir)/src/Makefile.global
-OBJS = amapi.o genam.o indexam.o
+OBJS = amapi.o amvalidate.o genam.o indexam.o
include $(top_srcdir)/src/backend/common.mk
--- /dev/null
+/*-------------------------------------------------------------------------
+ *
+ * amvalidate.c
+ * Support routines for index access methods' amvalidate functions.
+ *
+ * Copyright (c) 2016, PostgreSQL Global Development Group
+ *
+ *
+ * IDENTIFICATION
+ * src/backend/access/index/amvalidate.c
+ *
+ *-------------------------------------------------------------------------
+ */
+#include "postgres.h"
+
+#include "access/amvalidate.h"
+#include "access/htup_details.h"
+#include "catalog/pg_am.h"
+#include "catalog/pg_amop.h"
+#include "catalog/pg_amproc.h"
+#include "catalog/pg_opclass.h"
+#include "catalog/pg_operator.h"
+#include "catalog/pg_proc.h"
+#include "parser/parse_coerce.h"
+#include "utils/syscache.h"
+
+
+/*
+ * identify_opfamily_groups() returns a List of OpFamilyOpFuncGroup structs,
+ * one for each combination of lefttype/righttype present in the family's
+ * operator and support function lists. If amopstrategy K is present for
+ * this datatype combination, we set bit 1 << K in operatorset, and similarly
+ * for the support functions. With uint64 fields we can handle operator and
+ * function numbers up to 63, which is plenty for the foreseeable future.
+ *
+ * The given CatCLists are expected to represent a single opfamily fetched
+ * from the AMOPSTRATEGY and AMPROCNUM caches, so that they will be in
+ * order by those caches' second and third cache keys, namely the datatypes.
+ */
+List *
+identify_opfamily_groups(CatCList *oprlist, CatCList *proclist)
+{
+ List *result = NIL;
+ OpFamilyOpFuncGroup *thisgroup;
+ Form_pg_amop oprform;
+ Form_pg_amproc procform;
+ int io,
+ ip;
+
+ /* We need the lists to be ordered; should be true in normal operation */
+ if (!oprlist->ordered || !proclist->ordered)
+ elog(ERROR, "cannot validate operator family without ordered data");
+
+ /*
+ * Advance through the lists concurrently. Thanks to the ordering, we
+ * should see all operators and functions of a given datatype pair
+ * consecutively.
+ */
+ thisgroup = NULL;
+ io = ip = 0;
+ if (io < oprlist->n_members)
+ {
+ oprform = (Form_pg_amop) GETSTRUCT(&oprlist->members[io]->tuple);
+ io++;
+ }
+ else
+ oprform = NULL;
+ if (ip < proclist->n_members)
+ {
+ procform = (Form_pg_amproc) GETSTRUCT(&proclist->members[ip]->tuple);
+ ip++;
+ }
+ else
+ procform = NULL;
+
+ while (oprform || procform)
+ {
+ if (oprform && thisgroup &&
+ oprform->amoplefttype == thisgroup->lefttype &&
+ oprform->amoprighttype == thisgroup->righttype)
+ {
+ /* Operator belongs to current group; include it and advance */
+
+ /* Ignore strategy numbers outside supported range */
+ if (oprform->amopstrategy > 0 && oprform->amopstrategy < 64)
+ thisgroup->operatorset |= ((uint64) 1) << oprform->amopstrategy;
+
+ if (io < oprlist->n_members)
+ {
+ oprform = (Form_pg_amop) GETSTRUCT(&oprlist->members[io]->tuple);
+ io++;
+ }
+ else
+ oprform = NULL;
+ continue;
+ }
+
+ if (procform && thisgroup &&
+ procform->amproclefttype == thisgroup->lefttype &&
+ procform->amprocrighttype == thisgroup->righttype)
+ {
+ /* Procedure belongs to current group; include it and advance */
+
+ /* Ignore function numbers outside supported range */
+ if (procform->amprocnum > 0 && procform->amprocnum < 64)
+ thisgroup->functionset |= ((uint64) 1) << procform->amprocnum;
+
+ if (ip < proclist->n_members)
+ {
+ procform = (Form_pg_amproc) GETSTRUCT(&proclist->members[ip]->tuple);
+ ip++;
+ }
+ else
+ procform = NULL;
+ continue;
+ }
+
+ /* Time for a new group */
+ thisgroup = (OpFamilyOpFuncGroup *) palloc(sizeof(OpFamilyOpFuncGroup));
+ if (oprform &&
+ (!procform ||
+ (oprform->amoplefttype < procform->amproclefttype ||
+ (oprform->amoplefttype == procform->amproclefttype &&
+ oprform->amoprighttype < procform->amprocrighttype))))
+ {
+ thisgroup->lefttype = oprform->amoplefttype;
+ thisgroup->righttype = oprform->amoprighttype;
+ }
+ else
+ {
+ thisgroup->lefttype = procform->amproclefttype;
+ thisgroup->righttype = procform->amprocrighttype;
+ }
+ thisgroup->operatorset = thisgroup->functionset = 0;
+ result = lappend(result, thisgroup);
+ }
+
+ return result;
+}
+
+/*
+ * Validate the signature (argument and result types) of an opclass support
+ * function. Return TRUE if OK, FALSE if not.
+ *
+ * The "..." represents maxargs argument-type OIDs. If "exact" is TRUE, they
+ * must match the function arg types exactly, else only binary-coercibly.
+ * In any case the function result type must match restype exactly.
+ */
+bool
+check_amproc_signature(Oid funcid, Oid restype, bool exact,
+ int minargs, int maxargs,...)
+{
+ bool result = true;
+ HeapTuple tp;
+ Form_pg_proc procform;
+ va_list ap;
+ int i;
+
+ tp = SearchSysCache1(PROCOID, ObjectIdGetDatum(funcid));
+ if (!HeapTupleIsValid(tp))
+ elog(ERROR, "cache lookup failed for function %u", funcid);
+ procform = (Form_pg_proc) GETSTRUCT(tp);
+
+ if (procform->prorettype != restype || procform->proretset ||
+ procform->pronargs < minargs || procform->pronargs > maxargs)
+ result = false;
+
+ va_start(ap, maxargs);
+ for (i = 0; i < maxargs; i++)
+ {
+ Oid argtype = va_arg(ap, Oid);
+
+ if (i >= procform->pronargs)
+ continue;
+ if (exact ? (argtype != procform->proargtypes.values[i]) :
+ !IsBinaryCoercible(argtype, procform->proargtypes.values[i]))
+ result = false;
+ }
+ va_end(ap);
+
+ ReleaseSysCache(tp);
+ return result;
+}
+
+/*
+ * Validate the signature (argument and result types) of an opclass operator.
+ * Return TRUE if OK, FALSE if not.
+ *
+ * Currently, we can hard-wire this as accepting only binary operators. Also,
+ * we can insist on exact type matches, since the given lefttype/righttype
+ * come from pg_amop and should always match the operator exactly.
+ */
+bool
+check_amop_signature(Oid opno, Oid restype, Oid lefttype, Oid righttype)
+{
+ bool result = true;
+ HeapTuple tp;
+ Form_pg_operator opform;
+
+ tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
+ if (!HeapTupleIsValid(tp)) /* shouldn't happen */
+ elog(ERROR, "cache lookup failed for operator %u", opno);
+ opform = (Form_pg_operator) GETSTRUCT(tp);
+
+ if (opform->oprresult != restype || opform->oprkind != 'b' ||
+ opform->oprleft != lefttype || opform->oprright != righttype)
+ result = false;
+
+ ReleaseSysCache(tp);
+ return result;
+}
+
+/*
+ * Is the datatype a legitimate input type for the btree opfamily?
+ */
+bool
+opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid)
+{
+ bool result = false;
+ CatCList *opclist;
+ int i;
+
+ /*
+ * We search through all btree opclasses to see if one matches. This is a
+ * bit inefficient but there is no better index available. It also saves
+ * making an explicit check that the opfamily belongs to btree.
+ */
+ opclist = SearchSysCacheList1(CLAAMNAMENSP, ObjectIdGetDatum(BTREE_AM_OID));
+
+ for (i = 0; i < opclist->n_members; i++)
+ {
+ HeapTuple classtup = &opclist->members[i]->tuple;
+ Form_pg_opclass classform = (Form_pg_opclass) GETSTRUCT(classtup);
+
+ if (classform->opcfamily == opfamilyoid &&
+ classform->opcintype == datatypeoid)
+ {
+ result = true;
+ break;
+ }
+ }
+
+ ReleaseCatCacheList(opclist);
+
+ return result;
+}
*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/htup_details.h"
#include "access/nbtree.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_type.h"
#include "utils/builtins.h"
-#include "utils/catcache.h"
#include "utils/syscache.h"
bool
btvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
- Oid lastlefttype,
- lastrighttype;
- int numOps;
- int i,
- j;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
+ List *familytypes;
+ int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We rely on the oprlist to be ordered */
- if (!oprlist->ordered)
- elog(ERROR, "cannot validate btree opclass without ordered data");
-
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
+ bool ok;
+
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case BTORDER_PROC:
+ ok = check_amproc_signature(procform->amproc, INT4OID, true,
+ 2, 2, procform->amproclefttype,
+ procform->amprocrighttype);
+ break;
+ case BTSORTSUPPORT_PROC:
+ ok = check_amproc_signature(procform->amproc, VOIDOID, true,
+ 1, 1, INTERNALOID);
+ break;
+ default:
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("btree opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ continue; /* don't want additional message */
+ }
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum != BTORDER_PROC &&
- procform->amprocnum != BTSORTSUPPORT_PROC)
- ereport(ERROR,
+ if (!ok)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("btree opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
}
- /* Check operators */
- lastlefttype = lastrighttype = InvalidOid;
- numOps = 0;
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
/* Check that only allowed strategy numbers exist */
if (oprform->amopstrategy < 1 ||
oprform->amopstrategy > BTMaxStrategyNumber)
- ereport(ERROR,
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
+ errmsg("btree opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
- /*
- * Check that we have all strategies for each supported datatype
- * combination. This is easy since the list will be sorted in
- * datatype order and there can't be duplicate strategy numbers.
- */
- if (oprform->amoplefttype == lastlefttype &&
- oprform->amoprighttype == lastrighttype)
- numOps++;
- else
+ /* btree doesn't support ORDER BY operators */
+ if (oprform->amoppurpose != AMOP_SEARCH ||
+ OidIsValid(oprform->amopsortfamily))
{
- /* reached a group boundary, so check ... */
- if (numOps > 0 && numOps != BTMaxStrategyNumber)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u has a partial set of operators for datatypes %s and %s",
- opfamilyoid,
- format_type_be(lastlefttype),
- format_type_be(lastrighttype))));
- /* ... and reset for new group */
- lastlefttype = oprform->amoplefttype;
- lastrighttype = oprform->amoprighttype;
- numOps = 1;
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("btree opfamily %s contains invalid ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+
+ /* Check operator signature --- same for all btree strategies */
+ if (!check_amop_signature(oprform->amopopr, BOOLOID,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("btree opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
}
+ }
+
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ familytypes = NIL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
+
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
+
+ /*
+ * Identify all distinct data types handled in this opfamily. This
+ * implementation is O(N^2), but there aren't likely to be enough
+ * types in the family for it to matter.
+ */
+ familytypes = list_append_unique_oid(familytypes, thisgroup->lefttype);
+ familytypes = list_append_unique_oid(familytypes, thisgroup->righttype);
/*
- * There should be a relevant support function for each operator, but
- * we only need to check this once per pair of datatypes.
+ * Complain if there seems to be an incomplete set of either operators
+ * or support functions for this datatype pair. The only thing that
+ * is considered optional is the sortsupport function.
*/
- if (numOps == 1)
+ if (thisgroup->operatorset !=
+ ((1 << BTLessStrategyNumber) |
+ (1 << BTLessEqualStrategyNumber) |
+ (1 << BTEqualStrategyNumber) |
+ (1 << BTGreaterEqualStrategyNumber) |
+ (1 << BTGreaterStrategyNumber)))
{
- bool found = false;
-
- for (j = 0; j < proclist->n_members; j++)
- {
- HeapTuple proctup = &proclist->members[j]->tuple;
- Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
-
- if (procform->amprocnum == BTORDER_PROC &&
- procform->amproclefttype == oprform->amoplefttype &&
- procform->amprocrighttype == oprform->amoprighttype)
- {
- found = true;
- break;
- }
- }
-
- if (!found)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u lacks support function for operator %u",
- opfamilyoid, oprform->amopopr)));
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("btree opfamily %s is missing operator(s) for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
}
-
- /* btree doesn't support ORDER BY operators */
- if (oprform->amoppurpose != AMOP_SEARCH ||
- OidIsValid(oprform->amopsortfamily))
- ereport(ERROR,
+ if ((thisgroup->functionset & (1 << BTORDER_PROC)) == 0)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u contains invalid ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
-
- /* Count operators that are specifically for the named opclass */
- if (oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype)
- numclassops++;
+ errmsg("btree opfamily %s is missing support function for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
+ }
}
- /* don't forget to check the last batch of operators for completeness */
- if (numOps > 0 && numOps != BTMaxStrategyNumber)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opfamily %u has a partial set of operators for datatypes %s and %s",
- opfamilyoid,
- format_type_be(lastlefttype),
- format_type_be(lastrighttype))));
-
- /* Check that the named opclass is complete */
- if (numclassops != BTMaxStrategyNumber)
- ereport(ERROR,
+ /* Check that the originally-named opclass is supported */
+ /* (if group is there, we already checked it adequately above) */
+ if (!opclassgroup)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opclass %u is missing operator(s)",
- opclassoid)));
- if ((classfuncbits & (1 << BTORDER_PROC)) == 0)
- ereport(ERROR,
+ errmsg("btree opclass %s is missing operator(s)",
+ opclassname)));
+ result = false;
+ }
+
+ /*
+ * Complain if the opfamily doesn't have entries for all possible
+ * combinations of its supported datatypes. While missing cross-type
+ * operators are not fatal, they do limit the planner's ability to derive
+ * additional qual clauses from equivalence classes, so it seems
+ * reasonable to insist that all built-in btree opfamilies be complete.
+ */
+ if (list_length(grouplist) !=
+ list_length(familytypes) * list_length(familytypes))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("btree opclass %u is missing required support function",
- opclassoid)));
+ errmsg("btree opfamily %s is missing cross-type operator(s)",
+ opfamilyname)));
+ result = false;
+ }
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
- return true;
+ return result;
}
*/
#include "postgres.h"
+#include "access/amvalidate.h"
#include "access/htup_details.h"
#include "access/spgist_private.h"
#include "catalog/pg_amop.h"
#include "catalog/pg_amproc.h"
#include "catalog/pg_opclass.h"
-#include "utils/catcache.h"
+#include "catalog/pg_opfamily.h"
+#include "catalog/pg_type.h"
+#include "utils/builtins.h"
#include "utils/syscache.h"
/*
* Validator for an SP-GiST opclass.
+ *
+ * Some of the checks done here cover the whole opfamily, and therefore are
+ * redundant when checking each opclass in a family. But they don't run long
+ * enough to be much of a problem, so we accept the duplication rather than
+ * complicate the amvalidate API.
*/
bool
spgvalidate(Oid opclassoid)
{
+ bool result = true;
HeapTuple classtup;
Form_pg_opclass classform;
Oid opfamilyoid;
Oid opcintype;
- int numclassops;
- int32 classfuncbits;
+ char *opclassname;
+ HeapTuple familytup;
+ Form_pg_opfamily familyform;
+ char *opfamilyname;
CatCList *proclist,
*oprlist;
+ List *grouplist;
+ OpFamilyOpFuncGroup *opclassgroup;
int i;
+ ListCell *lc;
/* Fetch opclass information */
classtup = SearchSysCache1(CLAOID, ObjectIdGetDatum(opclassoid));
opfamilyoid = classform->opcfamily;
opcintype = classform->opcintype;
+ opclassname = NameStr(classform->opcname);
- ReleaseSysCache(classtup);
+ /* Fetch opfamily information */
+ familytup = SearchSysCache1(OPFAMILYOID, ObjectIdGetDatum(opfamilyoid));
+ if (!HeapTupleIsValid(familytup))
+ elog(ERROR, "cache lookup failed for operator family %u", opfamilyoid);
+ familyform = (Form_pg_opfamily) GETSTRUCT(familytup);
+
+ opfamilyname = NameStr(familyform->opfname);
/* Fetch all operators and support functions of the opfamily */
oprlist = SearchSysCacheList1(AMOPSTRATEGY, ObjectIdGetDatum(opfamilyoid));
proclist = SearchSysCacheList1(AMPROCNUM, ObjectIdGetDatum(opfamilyoid));
- /* We'll track the ops and functions belonging to the named opclass */
- numclassops = 0;
- classfuncbits = 0;
-
- /* Check support functions */
+ /* Check individual support functions */
for (i = 0; i < proclist->n_members; i++)
{
HeapTuple proctup = &proclist->members[i]->tuple;
Form_pg_amproc procform = (Form_pg_amproc) GETSTRUCT(proctup);
-
- /* Check that only allowed procedure numbers exist */
- if (procform->amprocnum < 1 ||
- procform->amprocnum > SPGISTNProc)
- ereport(ERROR,
+ bool ok;
+
+ /*
+ * All SP-GiST support functions should be registered with matching
+ * left/right types
+ */
+ if (procform->amproclefttype != procform->amprocrighttype)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("spgist opfamily %s contains support procedure %s with cross-type registration",
+ opfamilyname,
+ format_procedure(procform->amproc))));
+ result = false;
+ }
+
+ /* Check procedure numbers and function signatures */
+ switch (procform->amprocnum)
+ {
+ case SPGIST_CONFIG_PROC:
+ case SPGIST_CHOOSE_PROC:
+ case SPGIST_PICKSPLIT_PROC:
+ case SPGIST_INNER_CONSISTENT_PROC:
+ ok = check_amproc_signature(procform->amproc, VOIDOID, true,
+ 2, 2, INTERNALOID, INTERNALOID);
+ break;
+ case SPGIST_LEAF_CONSISTENT_PROC:
+ ok = check_amproc_signature(procform->amproc, BOOLOID, true,
+ 2, 2, INTERNALOID, INTERNALOID);
+ break;
+ default:
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("spgist opfamily %s contains function %s with invalid support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ continue; /* don't want additional message */
+ }
+
+ if (!ok)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("spgist opfamily %u contains invalid support number %d for procedure %u",
- opfamilyoid,
- procform->amprocnum, procform->amproc)));
-
- /* Remember functions that are specifically for the named opclass */
- if (procform->amproclefttype == opcintype &&
- procform->amprocrighttype == opcintype)
- classfuncbits |= (1 << procform->amprocnum);
+ errmsg("spgist opfamily %s contains function %s with wrong signature for support number %d",
+ opfamilyname,
+ format_procedure(procform->amproc),
+ procform->amprocnum)));
+ result = false;
+ }
}
- /* Check operators */
+ /* Check individual operators */
for (i = 0; i < oprlist->n_members; i++)
{
HeapTuple oprtup = &oprlist->members[i]->tuple;
Form_pg_amop oprform = (Form_pg_amop) GETSTRUCT(oprtup);
/* TODO: Check that only allowed strategy numbers exist */
- if (oprform->amopstrategy < 1)
- ereport(ERROR,
+ if (oprform->amopstrategy < 1 || oprform->amopstrategy > 63)
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("spgist opfamily %u contains invalid strategy number %d for operator %u",
- opfamilyoid,
- oprform->amopstrategy, oprform->amopopr)));
+ errmsg("spgist opfamily %s contains operator %s with invalid strategy number %d",
+ opfamilyname,
+ format_operator(oprform->amopopr),
+ oprform->amopstrategy)));
+ result = false;
+ }
/* spgist doesn't support ORDER BY operators */
if (oprform->amoppurpose != AMOP_SEARCH ||
OidIsValid(oprform->amopsortfamily))
- ereport(ERROR,
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("spgist opfamily %s contains invalid ORDER BY specification for operator %s",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+
+ /* Check operator signature --- same for all spgist strategies */
+ if (!check_amop_signature(oprform->amopopr, BOOLOID,
+ oprform->amoplefttype,
+ oprform->amoprighttype))
+ {
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("spgist opfamily %u contains invalid ORDER BY specification for operator %u",
- opfamilyoid, oprform->amopopr)));
+ errmsg("spgist opfamily %s contains operator %s with wrong signature",
+ opfamilyname,
+ format_operator(oprform->amopopr))));
+ result = false;
+ }
+ }
- /* Count operators that are specifically for the named opclass */
- if (oprform->amoplefttype == opcintype &&
- oprform->amoprighttype == opcintype)
- numclassops++;
+ /* Now check for inconsistent groups of operators/functions */
+ grouplist = identify_opfamily_groups(oprlist, proclist);
+ opclassgroup = NULL;
+ foreach(lc, grouplist)
+ {
+ OpFamilyOpFuncGroup *thisgroup = (OpFamilyOpFuncGroup *) lfirst(lc);
+
+ /* Remember the group exactly matching the test opclass */
+ if (thisgroup->lefttype == opcintype &&
+ thisgroup->righttype == opcintype)
+ opclassgroup = thisgroup;
+
+ /*
+ * Complain if there are any datatype pairs with functions but no
+ * operators. This is about the best we can do for now to detect
+ * missing operators.
+ */
+ if (thisgroup->operatorset == 0)
+ {
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("spgist opfamily %s is missing operator(s) for types %s and %s",
+ opfamilyname,
+ format_type_be(thisgroup->lefttype),
+ format_type_be(thisgroup->righttype))));
+ result = false;
+ }
+
+ /*
+ * Complain if we're missing functions for any datatype, remembering
+ * that SP-GiST doesn't use cross-type support functions.
+ */
+ if (thisgroup->lefttype != thisgroup->righttype)
+ continue;
+
+ for (i = 1; i <= SPGISTNProc; i++)
+ {
+ if ((thisgroup->functionset & (1 << i)) != 0)
+ continue; /* got it */
+ ereport(INFO,
+ (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
+ errmsg("spgist opfamily %s is missing support function %d for type %s",
+ opfamilyname, i,
+ format_type_be(thisgroup->lefttype))));
+ result = false;
+ }
}
- /* Check that the named opclass is complete */
- if (numclassops == 0)
- ereport(ERROR,
- (errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("spgist opclass %u is missing operator(s)",
- opclassoid)));
- for (i = 1; i <= SPGISTNProc; i++)
+ /* Check that the originally-named opclass is supported */
+ /* (if group is there, we already checked it adequately above) */
+ if (!opclassgroup)
{
- if ((classfuncbits & (1 << i)) != 0)
- continue; /* got it */
- ereport(ERROR,
+ ereport(INFO,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
- errmsg("spgist opclass %u is missing required support function %d",
- opclassoid, i)));
+ errmsg("spgist opclass %s is missing operator(s)",
+ opclassname)));
+ result = false;
}
ReleaseCatCacheList(proclist);
ReleaseCatCacheList(oprlist);
+ ReleaseSysCache(familytup);
+ ReleaseSysCache(classtup);
- return true;
+ return result;
}
return NULL;
}
+/*
+ * get_op_rettype
+ * Given operator oid, return the operator's result type.
+ */
+Oid
+get_op_rettype(Oid opno)
+{
+ HeapTuple tp;
+
+ tp = SearchSysCache1(OPEROID, ObjectIdGetDatum(opno));
+ if (HeapTupleIsValid(tp))
+ {
+ Form_pg_operator optup = (Form_pg_operator) GETSTRUCT(tp);
+ Oid result;
+
+ result = optup->oprresult;
+ ReleaseSysCache(tp);
+ return result;
+ }
+ else
+ return InvalidOid;
+}
+
/*
* op_input_types
*
--- /dev/null
+/*-------------------------------------------------------------------------
+ *
+ * amvalidate.h
+ * Support routines for index access methods' amvalidate functions.
+ *
+ * Copyright (c) 2016, PostgreSQL Global Development Group
+ *
+ * src/include/access/amvalidate.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef AMVALIDATE_H
+#define AMVALIDATE_H
+
+#include "utils/catcache.h"
+
+
+/* Struct returned (in a list) by identify_opfamily_groups() */
+typedef struct OpFamilyOpFuncGroup
+{
+ Oid lefttype; /* amoplefttype/amproclefttype */
+ Oid righttype; /* amoprighttype/amprocrighttype */
+ uint64 operatorset; /* bitmask of operators with these types */
+ uint64 functionset; /* bitmask of support funcs with these types */
+} OpFamilyOpFuncGroup;
+
+
+/* Functions in access/index/amvalidate.c */
+extern List *identify_opfamily_groups(CatCList *oprlist, CatCList *proclist);
+extern bool check_amproc_signature(Oid funcid, Oid restype, bool exact,
+ int minargs, int maxargs,...);
+extern bool check_amop_signature(Oid opno, Oid restype,
+ Oid lefttype, Oid righttype);
+extern bool opfamily_can_sort_type(Oid opfamilyoid, Oid datatypeoid);
+
+#endif /* AMVALIDATE_H */
extern Oid get_opclass_input_type(Oid opclass);
extern RegProcedure get_opcode(Oid opno);
extern char *get_opname(Oid opno);
+extern Oid get_op_rettype(Oid opno);
extern void op_input_types(Oid opno, Oid *lefttype, Oid *righttype);
extern bool op_mergejoinable(Oid opno, Oid inputtype);
extern bool op_hashjoinable(Oid opno, Oid inputtype);
(0 rows)
-- Ask access methods to validate opclasses
+-- (this replaces a lot of SQL-level checks that used to be done in this file)
SELECT oid, opcname FROM pg_opclass WHERE NOT amvalidate(oid);
oid | opcname
-----+---------
------------+--------------
(0 rows)
--- amoplefttype/amoprighttype must match the operator
-SELECT p1.oid, p2.oid
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND NOT
- (p1.amoplefttype = p2.oprleft AND p1.amoprighttype = p2.oprright);
- oid | oid
------+-----
-(0 rows)
-
-- amopmethod must match owning opfamily's opfmethod
SELECT p1.oid, p2.oid
FROM pg_amop AS p1, pg_opfamily AS p2
-----+-----
(0 rows)
--- amopsortfamily, if present, must reference a btree family
-SELECT p1.amopfamily, p1.amopstrategy
-FROM pg_amop AS p1
-WHERE p1.amopsortfamily <> 0 AND NOT EXISTS
- (SELECT 1 from pg_opfamily op WHERE op.oid = p1.amopsortfamily
- AND op.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'btree'));
- amopfamily | amopstrategy
-------------+--------------
-(0 rows)
-
--- Check that amopopr points at a reasonable-looking operator, ie a binary
--- operator. If it's a search operator it had better yield boolean,
--- otherwise an input type of its sort opfamily.
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND
- p2.oprkind != 'b';
- amopfamily | amopopr | oid | oprname
-------------+---------+-----+---------
-(0 rows)
-
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND p1.amoppurpose = 's' AND
- p2.oprresult != 'bool'::regtype;
- amopfamily | amopopr | oid | oprname
-------------+---------+-----+---------
-(0 rows)
-
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND p1.amoppurpose = 'o' AND NOT EXISTS
- (SELECT 1 FROM pg_opclass op
- WHERE opcfamily = p1.amopsortfamily AND opcintype = p2.oprresult);
- amopfamily | amopopr | oid | oprname
-------------+---------+-----+---------
-(0 rows)
-
-- Make a list of all the distinct operator names being used in particular
-- strategy slots. This is a bit hokey, since the list might need to change
-- in future releases, but it's an effective way of spotting mistakes such as
------------+---------+---------+--------
(0 rows)
--- Multiple-datatype btree opfamilies should provide closed sets of equality
--- operators; that is if you provide int2 = int4 and int4 = int8 then you
--- should also provide int2 = int8 (and commutators of all these). This is
--- important because the planner tries to deduce additional qual clauses from
--- transitivity of mergejoinable operators. If there are clauses
--- int2var = int4var and int4var = int8var, the planner will want to deduce
--- int2var = int8var ... so there should be a way to represent that. While
--- a missing cross-type operator is now only an efficiency loss rather than
--- an error condition, it still seems reasonable to insist that all built-in
--- opfamilies be complete.
--- check commutative closure
-SELECT p1.amoplefttype, p1.amoprighttype
-FROM pg_amop AS p1
-WHERE p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p1.amopstrategy = 3 AND
- p1.amoplefttype != p1.amoprighttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p2 WHERE
- p2.amopfamily = p1.amopfamily AND
- p2.amoplefttype = p1.amoprighttype AND
- p2.amoprighttype = p1.amoplefttype AND
- p2.amopstrategy = 3);
- amoplefttype | amoprighttype
---------------+---------------
-(0 rows)
-
--- check transitive closure
-SELECT p1.amoplefttype, p1.amoprighttype, p2.amoprighttype
-FROM pg_amop AS p1, pg_amop AS p2
-WHERE p1.amopfamily = p2.amopfamily AND
- p1.amoprighttype = p2.amoplefttype AND
- p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p2.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p1.amopstrategy = 3 AND p2.amopstrategy = 3 AND
- p1.amoplefttype != p1.amoprighttype AND
- p2.amoplefttype != p2.amoprighttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p3 WHERE
- p3.amopfamily = p1.amopfamily AND
- p3.amoplefttype = p1.amoplefttype AND
- p3.amoprighttype = p2.amoprighttype AND
- p3.amopstrategy = 3);
- amoplefttype | amoprighttype | amoprighttype
---------------+---------------+---------------
-(0 rows)
-
--- We also expect that built-in multiple-datatype hash opfamilies provide
--- complete sets of cross-type operators. Again, this isn't required, but
--- it is reasonable to expect it for built-in opfamilies.
--- if same family has x=x and y=y, it should have x=y
-SELECT p1.amoplefttype, p2.amoplefttype
-FROM pg_amop AS p1, pg_amop AS p2
-WHERE p1.amopfamily = p2.amopfamily AND
- p1.amoplefttype = p1.amoprighttype AND
- p2.amoplefttype = p2.amoprighttype AND
- p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'hash') AND
- p2.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'hash') AND
- p1.amopstrategy = 1 AND p2.amopstrategy = 1 AND
- p1.amoplefttype != p2.amoplefttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p3 WHERE
- p3.amopfamily = p1.amopfamily AND
- p3.amoplefttype = p1.amoplefttype AND
- p3.amoprighttype = p2.amoplefttype AND
- p3.amopstrategy = 1);
- amoplefttype | amoplefttype
---------------+--------------
-(0 rows)
-
-- **************** pg_amproc ****************
-- Look for illegal values in pg_amproc fields
SELECT p1.amprocfamily, p1.amprocnum
--------------+-----------
(0 rows)
--- Unfortunately, we can't check the amproc link very well because the
--- signature of the function may be different for different support routines
--- or different base data types.
--- We can check that all the referenced instances of the same support
--- routine number take the same number of parameters, but that's about it
--- for a general check...
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname,
- p4.amprocfamily, p4.amprocnum,
- p5.oid, p5.proname,
- p6.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3,
- pg_amproc AS p4, pg_proc AS p5, pg_opfamily AS p6
-WHERE p1.amprocfamily = p3.oid AND p4.amprocfamily = p6.oid AND
- p3.opfmethod = p6.opfmethod AND p1.amprocnum = p4.amprocnum AND
- p1.amproc = p2.oid AND p4.amproc = p5.oid AND
- (p2.proretset OR p5.proretset OR p2.pronargs != p5.pronargs);
- amprocfamily | amprocnum | oid | proname | opfname | amprocfamily | amprocnum | oid | proname | opfname
---------------+-----------+-----+---------+---------+--------------+-----------+-----+---------+---------
-(0 rows)
-
--- For btree, though, we can do better since we know the support routines
--- must be of the form cmp(lefttype, righttype) returns int4
--- or sortsupport(internal) returns void.
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'btree')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (CASE WHEN amprocnum = 1
- THEN prorettype != 'int4'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != amproclefttype
- OR proargtypes[1] != amprocrighttype
- WHEN amprocnum = 2
- THEN prorettype != 'void'::regtype OR proretset OR pronargs != 1
- OR proargtypes[0] != 'internal'::regtype
- ELSE true END);
- amprocfamily | amprocnum | oid | proname | opfname
---------------+-----------+-----+---------+---------
-(0 rows)
-
--- For hash we can also do a little better: the support routines must be
--- of the form hash(lefttype) returns int4. There are several cases where
--- we cheat and use a hash function that is physically compatible with the
--- datatype even though there's no cast, so this check does find a small
--- number of entries.
-SELECT p1.amprocfamily, p1.amprocnum, p2.proname, p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'hash')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (amprocnum != 1
- OR proretset
- OR prorettype != 'int4'::regtype
- OR pronargs != 1
- OR NOT physically_coercible(amproclefttype, proargtypes[0])
- OR amproclefttype != amprocrighttype)
-ORDER BY 1;
- amprocfamily | amprocnum | proname | opfname
---------------+-----------+----------------+-----------------
- 435 | 1 | hashint4 | date_ops
- 1999 | 1 | timestamp_hash | timestamptz_ops
- 2222 | 1 | hashchar | bool_ops
- 2223 | 1 | hashvarlena | bytea_ops
- 2225 | 1 | hashint4 | xid_ops
- 2226 | 1 | hashint4 | cid_ops
-(6 rows)
-
--- We can also check SP-GiST carefully, since the support routine signatures
--- are independent of the datatype being indexed.
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'spgist')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (CASE WHEN amprocnum = 1 OR amprocnum = 2 OR amprocnum = 3 OR amprocnum = 4
- THEN prorettype != 'void'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != 'internal'::regtype
- OR proargtypes[1] != 'internal'::regtype
- WHEN amprocnum = 5
- THEN prorettype != 'bool'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != 'internal'::regtype
- OR proargtypes[1] != 'internal'::regtype
- ELSE true END);
- amprocfamily | amprocnum | oid | proname | opfname
---------------+-----------+-----+---------+---------
-(0 rows)
-
-- Support routines that are primary members of opfamilies must be immutable
-- (else it suggests that the index ordering isn't fixed). But cross-type
-- members need only be stable, since they are just shorthands
p1.opcdefault AND p2.opcdefault;
-- Ask access methods to validate opclasses
+-- (this replaces a lot of SQL-level checks that used to be done in this file)
SELECT oid, opcname FROM pg_opclass WHERE NOT amvalidate(oid);
WHERE NOT ((p1.amoppurpose = 's' AND p1.amopsortfamily = 0) OR
(p1.amoppurpose = 'o' AND p1.amopsortfamily <> 0));
--- amoplefttype/amoprighttype must match the operator
-
-SELECT p1.oid, p2.oid
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND NOT
- (p1.amoplefttype = p2.oprleft AND p1.amoprighttype = p2.oprright);
-
-- amopmethod must match owning opfamily's opfmethod
SELECT p1.oid, p2.oid
FROM pg_amop AS p1, pg_opfamily AS p2
WHERE p1.amopfamily = p2.oid AND p1.amopmethod != p2.opfmethod;
--- amopsortfamily, if present, must reference a btree family
-
-SELECT p1.amopfamily, p1.amopstrategy
-FROM pg_amop AS p1
-WHERE p1.amopsortfamily <> 0 AND NOT EXISTS
- (SELECT 1 from pg_opfamily op WHERE op.oid = p1.amopsortfamily
- AND op.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'btree'));
-
--- Check that amopopr points at a reasonable-looking operator, ie a binary
--- operator. If it's a search operator it had better yield boolean,
--- otherwise an input type of its sort opfamily.
-
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND
- p2.oprkind != 'b';
-
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND p1.amoppurpose = 's' AND
- p2.oprresult != 'bool'::regtype;
-
-SELECT p1.amopfamily, p1.amopopr, p2.oid, p2.oprname
-FROM pg_amop AS p1, pg_operator AS p2
-WHERE p1.amopopr = p2.oid AND p1.amoppurpose = 'o' AND NOT EXISTS
- (SELECT 1 FROM pg_opclass op
- WHERE opcfamily = p1.amopsortfamily AND opcintype = p2.oprresult);
-
-- Make a list of all the distinct operator names being used in particular
-- strategy slots. This is a bit hokey, since the list might need to change
-- in future releases, but it's an effective way of spotting mistakes such as
p1.amoplefttype != p1.amoprighttype AND
p3.provolatile = 'v';
--- Multiple-datatype btree opfamilies should provide closed sets of equality
--- operators; that is if you provide int2 = int4 and int4 = int8 then you
--- should also provide int2 = int8 (and commutators of all these). This is
--- important because the planner tries to deduce additional qual clauses from
--- transitivity of mergejoinable operators. If there are clauses
--- int2var = int4var and int4var = int8var, the planner will want to deduce
--- int2var = int8var ... so there should be a way to represent that. While
--- a missing cross-type operator is now only an efficiency loss rather than
--- an error condition, it still seems reasonable to insist that all built-in
--- opfamilies be complete.
-
--- check commutative closure
-SELECT p1.amoplefttype, p1.amoprighttype
-FROM pg_amop AS p1
-WHERE p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p1.amopstrategy = 3 AND
- p1.amoplefttype != p1.amoprighttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p2 WHERE
- p2.amopfamily = p1.amopfamily AND
- p2.amoplefttype = p1.amoprighttype AND
- p2.amoprighttype = p1.amoplefttype AND
- p2.amopstrategy = 3);
-
--- check transitive closure
-SELECT p1.amoplefttype, p1.amoprighttype, p2.amoprighttype
-FROM pg_amop AS p1, pg_amop AS p2
-WHERE p1.amopfamily = p2.amopfamily AND
- p1.amoprighttype = p2.amoplefttype AND
- p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p2.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'btree') AND
- p1.amopstrategy = 3 AND p2.amopstrategy = 3 AND
- p1.amoplefttype != p1.amoprighttype AND
- p2.amoplefttype != p2.amoprighttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p3 WHERE
- p3.amopfamily = p1.amopfamily AND
- p3.amoplefttype = p1.amoplefttype AND
- p3.amoprighttype = p2.amoprighttype AND
- p3.amopstrategy = 3);
-
--- We also expect that built-in multiple-datatype hash opfamilies provide
--- complete sets of cross-type operators. Again, this isn't required, but
--- it is reasonable to expect it for built-in opfamilies.
-
--- if same family has x=x and y=y, it should have x=y
-SELECT p1.amoplefttype, p2.amoplefttype
-FROM pg_amop AS p1, pg_amop AS p2
-WHERE p1.amopfamily = p2.amopfamily AND
- p1.amoplefttype = p1.amoprighttype AND
- p2.amoplefttype = p2.amoprighttype AND
- p1.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'hash') AND
- p2.amopmethod = (SELECT oid FROM pg_am WHERE amname = 'hash') AND
- p1.amopstrategy = 1 AND p2.amopstrategy = 1 AND
- p1.amoplefttype != p2.amoplefttype AND
- NOT EXISTS(SELECT 1 FROM pg_amop p3 WHERE
- p3.amopfamily = p1.amopfamily AND
- p3.amoplefttype = p1.amoplefttype AND
- p3.amoprighttype = p2.amoplefttype AND
- p3.amopstrategy = 1);
-
-- **************** pg_amproc ****************
WHERE p1.amprocfamily = 0 OR p1.amproclefttype = 0 OR p1.amprocrighttype = 0
OR p1.amprocnum < 1 OR p1.amproc = 0;
--- Unfortunately, we can't check the amproc link very well because the
--- signature of the function may be different for different support routines
--- or different base data types.
--- We can check that all the referenced instances of the same support
--- routine number take the same number of parameters, but that's about it
--- for a general check...
-
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname,
- p4.amprocfamily, p4.amprocnum,
- p5.oid, p5.proname,
- p6.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3,
- pg_amproc AS p4, pg_proc AS p5, pg_opfamily AS p6
-WHERE p1.amprocfamily = p3.oid AND p4.amprocfamily = p6.oid AND
- p3.opfmethod = p6.opfmethod AND p1.amprocnum = p4.amprocnum AND
- p1.amproc = p2.oid AND p4.amproc = p5.oid AND
- (p2.proretset OR p5.proretset OR p2.pronargs != p5.pronargs);
-
--- For btree, though, we can do better since we know the support routines
--- must be of the form cmp(lefttype, righttype) returns int4
--- or sortsupport(internal) returns void.
-
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'btree')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (CASE WHEN amprocnum = 1
- THEN prorettype != 'int4'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != amproclefttype
- OR proargtypes[1] != amprocrighttype
- WHEN amprocnum = 2
- THEN prorettype != 'void'::regtype OR proretset OR pronargs != 1
- OR proargtypes[0] != 'internal'::regtype
- ELSE true END);
-
--- For hash we can also do a little better: the support routines must be
--- of the form hash(lefttype) returns int4. There are several cases where
--- we cheat and use a hash function that is physically compatible with the
--- datatype even though there's no cast, so this check does find a small
--- number of entries.
-
-SELECT p1.amprocfamily, p1.amprocnum, p2.proname, p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'hash')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (amprocnum != 1
- OR proretset
- OR prorettype != 'int4'::regtype
- OR pronargs != 1
- OR NOT physically_coercible(amproclefttype, proargtypes[0])
- OR amproclefttype != amprocrighttype)
-ORDER BY 1;
-
--- We can also check SP-GiST carefully, since the support routine signatures
--- are independent of the datatype being indexed.
-
-SELECT p1.amprocfamily, p1.amprocnum,
- p2.oid, p2.proname,
- p3.opfname
-FROM pg_amproc AS p1, pg_proc AS p2, pg_opfamily AS p3
-WHERE p3.opfmethod = (SELECT oid FROM pg_am WHERE amname = 'spgist')
- AND p1.amprocfamily = p3.oid AND p1.amproc = p2.oid AND
- (CASE WHEN amprocnum = 1 OR amprocnum = 2 OR amprocnum = 3 OR amprocnum = 4
- THEN prorettype != 'void'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != 'internal'::regtype
- OR proargtypes[1] != 'internal'::regtype
- WHEN amprocnum = 5
- THEN prorettype != 'bool'::regtype OR proretset OR pronargs != 2
- OR proargtypes[0] != 'internal'::regtype
- OR proargtypes[1] != 'internal'::regtype
- ELSE true END);
-
-- Support routines that are primary members of opfamilies must be immutable
-- (else it suggests that the index ordering isn't fixed). But cross-type
-- members need only be stable, since they are just shorthands
projects / users / c2main / postgres.git / commitdiff