Index tuple data arrays using Anum_xxx symbolic constants instead of "i++".
authorTom Lane <tgl@sss.pgh.pa.us>
Thu, 16 Jun 2011 21:03:58 +0000 (17:03 -0400)
committerTom Lane <tgl@sss.pgh.pa.us>
Thu, 16 Jun 2011 21:04:40 +0000 (17:04 -0400)
We had already converted most places to this style, but this patch gets the
last few that were still doing it the old way.  The main advantage is that
this exposes a greppable name for each target column, rather than having
to rely on comments (which a couple of places failed to provide anyhow).

Richard Hopkins, additional work by me to clean up update_attstats() too

src/backend/catalog/pg_operator.c
src/backend/catalog/pg_type.c
src/backend/commands/analyze.c
src/backend/commands/comment.c
src/backend/rewrite/rewriteDefine.c

index ccd0fe1997def001bb782f1f819d682657d76a64..4d2d7b7e265611d395b2d13e25ab3b2c2171bc27 100644 (file)
@@ -234,22 +234,21 @@ OperatorShellMake(const char *operatorName,
     * initialize values[] with the operator name and input data types. Note
     * that oprcode is set to InvalidOid, indicating it's a shell.
     */
-   i = 0;
    namestrcpy(&oname, operatorName);
-   values[i++] = NameGetDatum(&oname); /* oprname */
-   values[i++] = ObjectIdGetDatum(operatorNamespace);  /* oprnamespace */
-   values[i++] = ObjectIdGetDatum(GetUserId());        /* oprowner */
-   values[i++] = CharGetDatum(leftTypeId ? (rightTypeId ? 'b' : 'r') : 'l');   /* oprkind */
-   values[i++] = BoolGetDatum(false);  /* oprcanmerge */
-   values[i++] = BoolGetDatum(false);  /* oprcanhash */
-   values[i++] = ObjectIdGetDatum(leftTypeId); /* oprleft */
-   values[i++] = ObjectIdGetDatum(rightTypeId);        /* oprright */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprresult */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprcom */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprnegate */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprcode */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprrest */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* oprjoin */
+   values[Anum_pg_operator_oprname - 1] = NameGetDatum(&oname);
+   values[Anum_pg_operator_oprnamespace - 1] = ObjectIdGetDatum(operatorNamespace);
+   values[Anum_pg_operator_oprowner - 1] = ObjectIdGetDatum(GetUserId());
+   values[Anum_pg_operator_oprkind - 1] = CharGetDatum(leftTypeId ? (rightTypeId ? 'b' : 'r') : 'l');
+   values[Anum_pg_operator_oprcanmerge - 1] = BoolGetDatum(false);
+   values[Anum_pg_operator_oprcanhash - 1] = BoolGetDatum(false);
+   values[Anum_pg_operator_oprleft - 1] = ObjectIdGetDatum(leftTypeId);
+   values[Anum_pg_operator_oprright - 1] = ObjectIdGetDatum(rightTypeId);
+   values[Anum_pg_operator_oprresult - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_operator_oprcom - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_operator_oprnegate - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_operator_oprcode - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_operator_oprrest - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_operator_oprjoin - 1] = ObjectIdGetDatum(InvalidOid);
 
    /*
     * open pg_operator
@@ -492,22 +491,21 @@ OperatorCreate(const char *operatorName,
        nulls[i] = false;
    }
 
-   i = 0;
    namestrcpy(&oname, operatorName);
-   values[i++] = NameGetDatum(&oname); /* oprname */
-   values[i++] = ObjectIdGetDatum(operatorNamespace);  /* oprnamespace */
-   values[i++] = ObjectIdGetDatum(GetUserId());        /* oprowner */
-   values[i++] = CharGetDatum(leftTypeId ? (rightTypeId ? 'b' : 'r') : 'l');   /* oprkind */
-   values[i++] = BoolGetDatum(canMerge);       /* oprcanmerge */
-   values[i++] = BoolGetDatum(canHash);        /* oprcanhash */
-   values[i++] = ObjectIdGetDatum(leftTypeId); /* oprleft */
-   values[i++] = ObjectIdGetDatum(rightTypeId);        /* oprright */
-   values[i++] = ObjectIdGetDatum(operResultType);     /* oprresult */
-   values[i++] = ObjectIdGetDatum(commutatorId);       /* oprcom */
-   values[i++] = ObjectIdGetDatum(negatorId);  /* oprnegate */
-   values[i++] = ObjectIdGetDatum(procedureId);        /* oprcode */
-   values[i++] = ObjectIdGetDatum(restrictionId);      /* oprrest */
-   values[i++] = ObjectIdGetDatum(joinId);     /* oprjoin */
+   values[Anum_pg_operator_oprname - 1] = NameGetDatum(&oname);
+   values[Anum_pg_operator_oprnamespace - 1] = ObjectIdGetDatum(operatorNamespace);
+   values[Anum_pg_operator_oprowner - 1] = ObjectIdGetDatum(GetUserId());
+   values[Anum_pg_operator_oprkind - 1] = CharGetDatum(leftTypeId ? (rightTypeId ? 'b' : 'r') : 'l');
+   values[Anum_pg_operator_oprcanmerge - 1] = BoolGetDatum(canMerge);
+   values[Anum_pg_operator_oprcanhash - 1] = BoolGetDatum(canHash);
+   values[Anum_pg_operator_oprleft - 1] = ObjectIdGetDatum(leftTypeId);
+   values[Anum_pg_operator_oprright - 1] = ObjectIdGetDatum(rightTypeId);
+   values[Anum_pg_operator_oprresult - 1] = ObjectIdGetDatum(operResultType);
+   values[Anum_pg_operator_oprcom - 1] = ObjectIdGetDatum(commutatorId);
+   values[Anum_pg_operator_oprnegate - 1] = ObjectIdGetDatum(negatorId);
+   values[Anum_pg_operator_oprcode - 1] = ObjectIdGetDatum(procedureId);
+   values[Anum_pg_operator_oprrest - 1] = ObjectIdGetDatum(restrictionId);
+   values[Anum_pg_operator_oprjoin - 1] = ObjectIdGetDatum(joinId);
 
    pg_operator_desc = heap_open(OperatorRelationId, RowExclusiveLock);
 
index de5c63defe5f292d08145fdb543e93ee4acced4b..f60822982399db6c179495f1ccff9711b64c3991 100644 (file)
@@ -87,37 +87,36 @@ TypeShellMake(const char *typeName, Oid typeNamespace, Oid ownerId)
     * give it typtype = TYPTYPE_PSEUDO as extra insurance that it won't be
     * mistaken for a usable type.
     */
-   i = 0;
    namestrcpy(&name, typeName);
-   values[i++] = NameGetDatum(&name);  /* typname */
-   values[i++] = ObjectIdGetDatum(typeNamespace);      /* typnamespace */
-   values[i++] = ObjectIdGetDatum(ownerId);    /* typowner */
-   values[i++] = Int16GetDatum(sizeof(int4));  /* typlen */
-   values[i++] = BoolGetDatum(true);   /* typbyval */
-   values[i++] = CharGetDatum(TYPTYPE_PSEUDO); /* typtype */
-   values[i++] = CharGetDatum(TYPCATEGORY_PSEUDOTYPE); /* typcategory */
-   values[i++] = BoolGetDatum(false);  /* typispreferred */
-   values[i++] = BoolGetDatum(false);  /* typisdefined */
-   values[i++] = CharGetDatum(DEFAULT_TYPDELIM);       /* typdelim */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typrelid */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typelem */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typarray */
-   values[i++] = ObjectIdGetDatum(F_SHELL_IN); /* typinput */
-   values[i++] = ObjectIdGetDatum(F_SHELL_OUT);        /* typoutput */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typreceive */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typsend */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typmodin */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typmodout */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typanalyze */
-   values[i++] = CharGetDatum('i');    /* typalign */
-   values[i++] = CharGetDatum('p');    /* typstorage */
-   values[i++] = BoolGetDatum(false);  /* typnotnull */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typbasetype */
-   values[i++] = Int32GetDatum(-1);    /* typtypmod */
-   values[i++] = Int32GetDatum(0);     /* typndims */
-   values[i++] = ObjectIdGetDatum(InvalidOid); /* typcollation */
-   nulls[i++] = true;          /* typdefaultbin */
-   nulls[i++] = true;          /* typdefault */
+   values[Anum_pg_type_typname - 1] = NameGetDatum(&name);
+   values[Anum_pg_type_typnamespace - 1] = ObjectIdGetDatum(typeNamespace);
+   values[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(ownerId);
+   values[Anum_pg_type_typlen - 1] = Int16GetDatum(sizeof(int4));
+   values[Anum_pg_type_typbyval - 1] = BoolGetDatum(true);
+   values[Anum_pg_type_typtype - 1] = CharGetDatum(TYPTYPE_PSEUDO);
+   values[Anum_pg_type_typcategory - 1] = CharGetDatum(TYPCATEGORY_PSEUDOTYPE);
+   values[Anum_pg_type_typispreferred - 1] = BoolGetDatum(false);
+   values[Anum_pg_type_typisdefined - 1] = BoolGetDatum(false);
+   values[Anum_pg_type_typdelim - 1] = CharGetDatum(DEFAULT_TYPDELIM);
+   values[Anum_pg_type_typrelid - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typelem - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typarray - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typinput - 1] = ObjectIdGetDatum(F_SHELL_IN);
+   values[Anum_pg_type_typoutput - 1] = ObjectIdGetDatum(F_SHELL_OUT);
+   values[Anum_pg_type_typreceive - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typsend - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typmodin - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typmodout - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typanalyze - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typalign - 1] = CharGetDatum('i');
+   values[Anum_pg_type_typstorage - 1] = CharGetDatum('p');
+   values[Anum_pg_type_typnotnull - 1] = BoolGetDatum(false);
+   values[Anum_pg_type_typbasetype - 1] = ObjectIdGetDatum(InvalidOid);
+   values[Anum_pg_type_typtypmod - 1] = Int32GetDatum(-1);
+   values[Anum_pg_type_typndims - 1] = Int32GetDatum(0);
+   values[Anum_pg_type_typcollation - 1] = ObjectIdGetDatum(InvalidOid);
+   nulls[Anum_pg_type_typdefaultbin - 1] = true;
+   nulls[Anum_pg_type_typdefault - 1] = true;
 
    /*
     * create a new type tuple
@@ -322,56 +321,53 @@ TypeCreate(Oid newTypeOid,
    }
 
    /*
-    * initialize the *values information
+    * insert data values
     */
-   i = 0;
    namestrcpy(&name, typeName);
-   values[i++] = NameGetDatum(&name);  /* typname */
-   values[i++] = ObjectIdGetDatum(typeNamespace);      /* typnamespace */
-   values[i++] = ObjectIdGetDatum(ownerId);    /* typowner */
-   values[i++] = Int16GetDatum(internalSize);  /* typlen */
-   values[i++] = BoolGetDatum(passedByValue);  /* typbyval */
-   values[i++] = CharGetDatum(typeType);       /* typtype */
-   values[i++] = CharGetDatum(typeCategory);   /* typcategory */
-   values[i++] = BoolGetDatum(typePreferred);  /* typispreferred */
-   values[i++] = BoolGetDatum(true);   /* typisdefined */
-   values[i++] = CharGetDatum(typDelim);       /* typdelim */
-   values[i++] = ObjectIdGetDatum(relationOid);        /* typrelid */
-   values[i++] = ObjectIdGetDatum(elementType);        /* typelem */
-   values[i++] = ObjectIdGetDatum(arrayType);  /* typarray */
-   values[i++] = ObjectIdGetDatum(inputProcedure);     /* typinput */
-   values[i++] = ObjectIdGetDatum(outputProcedure);    /* typoutput */
-   values[i++] = ObjectIdGetDatum(receiveProcedure);   /* typreceive */
-   values[i++] = ObjectIdGetDatum(sendProcedure);      /* typsend */
-   values[i++] = ObjectIdGetDatum(typmodinProcedure);  /* typmodin */
-   values[i++] = ObjectIdGetDatum(typmodoutProcedure); /* typmodout */
-   values[i++] = ObjectIdGetDatum(analyzeProcedure);   /* typanalyze */
-   values[i++] = CharGetDatum(alignment);      /* typalign */
-   values[i++] = CharGetDatum(storage);        /* typstorage */
-   values[i++] = BoolGetDatum(typeNotNull);    /* typnotnull */
-   values[i++] = ObjectIdGetDatum(baseType);   /* typbasetype */
-   values[i++] = Int32GetDatum(typeMod);       /* typtypmod */
-   values[i++] = Int32GetDatum(typNDims);      /* typndims */
-   values[i++] = ObjectIdGetDatum(typeCollation);      /* typcollation */
+   values[Anum_pg_type_typname - 1] = NameGetDatum(&name);
+   values[Anum_pg_type_typnamespace - 1] = ObjectIdGetDatum(typeNamespace);
+   values[Anum_pg_type_typowner - 1] = ObjectIdGetDatum(ownerId);
+   values[Anum_pg_type_typlen - 1] = Int16GetDatum(internalSize);
+   values[Anum_pg_type_typbyval - 1] = BoolGetDatum(passedByValue);
+   values[Anum_pg_type_typtype - 1] = CharGetDatum(typeType);
+   values[Anum_pg_type_typcategory - 1] = CharGetDatum(typeCategory);
+   values[Anum_pg_type_typispreferred - 1] = BoolGetDatum(typePreferred);
+   values[Anum_pg_type_typisdefined - 1] = BoolGetDatum(true);
+   values[Anum_pg_type_typdelim - 1] = CharGetDatum(typDelim);
+   values[Anum_pg_type_typrelid - 1] = ObjectIdGetDatum(relationOid);
+   values[Anum_pg_type_typelem - 1] = ObjectIdGetDatum(elementType);
+   values[Anum_pg_type_typarray - 1] = ObjectIdGetDatum(arrayType);
+   values[Anum_pg_type_typinput - 1] = ObjectIdGetDatum(inputProcedure);
+   values[Anum_pg_type_typoutput - 1] = ObjectIdGetDatum(outputProcedure);
+   values[Anum_pg_type_typreceive - 1] = ObjectIdGetDatum(receiveProcedure);
+   values[Anum_pg_type_typsend - 1] = ObjectIdGetDatum(sendProcedure);
+   values[Anum_pg_type_typmodin - 1] = ObjectIdGetDatum(typmodinProcedure);
+   values[Anum_pg_type_typmodout - 1] = ObjectIdGetDatum(typmodoutProcedure);
+   values[Anum_pg_type_typanalyze - 1] = ObjectIdGetDatum(analyzeProcedure);
+   values[Anum_pg_type_typalign - 1] = CharGetDatum(alignment);
+   values[Anum_pg_type_typstorage - 1] = CharGetDatum(storage);
+   values[Anum_pg_type_typnotnull - 1] = BoolGetDatum(typeNotNull);
+   values[Anum_pg_type_typbasetype - 1] = ObjectIdGetDatum(baseType);
+   values[Anum_pg_type_typtypmod - 1] = Int32GetDatum(typeMod);
+   values[Anum_pg_type_typndims - 1] = Int32GetDatum(typNDims);
+   values[Anum_pg_type_typcollation - 1] = ObjectIdGetDatum(typeCollation);
 
    /*
     * initialize the default binary value for this type.  Check for nulls of
     * course.
     */
    if (defaultTypeBin)
-       values[i] = CStringGetTextDatum(defaultTypeBin);
+       values[Anum_pg_type_typdefaultbin - 1] = CStringGetTextDatum(defaultTypeBin);
    else
-       nulls[i] = true;
-   i++;                        /* typdefaultbin */
+       nulls[Anum_pg_type_typdefaultbin - 1] = true;
 
    /*
     * initialize the default value for this type.
     */
    if (defaultTypeValue)
-       values[i] = CStringGetTextDatum(defaultTypeValue);
+       values[Anum_pg_type_typdefault - 1] = CStringGetTextDatum(defaultTypeValue);
    else
-       nulls[i] = true;
-   i++;                        /* typdefault */
+       nulls[Anum_pg_type_typdefault - 1] = true;
 
    /*
     * open pg_type and prepare to insert or update a row.
index 57188bc25a7bab0c13aacd958274131557befd72..7b73355dde36c86a5cb22717fffb6e44a305a7ba 100644 (file)
@@ -1603,21 +1603,23 @@ update_attstats(Oid relid, bool inh, int natts, VacAttrStats **vacattrstats)
            replaces[i] = true;
        }
 
-       i = 0;
-       values[i++] = ObjectIdGetDatum(relid);  /* starelid */
-       values[i++] = Int16GetDatum(stats->attr->attnum);       /* staattnum */
-       values[i++] = BoolGetDatum(inh);        /* stainherit */
-       values[i++] = Float4GetDatum(stats->stanullfrac);       /* stanullfrac */
-       values[i++] = Int32GetDatum(stats->stawidth);   /* stawidth */
-       values[i++] = Float4GetDatum(stats->stadistinct);       /* stadistinct */
+       values[Anum_pg_statistic_starelid - 1] = ObjectIdGetDatum(relid);
+       values[Anum_pg_statistic_staattnum - 1] = Int16GetDatum(stats->attr->attnum);
+       values[Anum_pg_statistic_stainherit - 1] = BoolGetDatum(inh);
+       values[Anum_pg_statistic_stanullfrac - 1] = Float4GetDatum(stats->stanullfrac);
+       values[Anum_pg_statistic_stawidth - 1] = Int32GetDatum(stats->stawidth);
+       values[Anum_pg_statistic_stadistinct - 1] = Float4GetDatum(stats->stadistinct);
+       i = Anum_pg_statistic_stakind1 - 1;
        for (k = 0; k < STATISTIC_NUM_SLOTS; k++)
        {
            values[i++] = Int16GetDatum(stats->stakind[k]);     /* stakindN */
        }
+       i = Anum_pg_statistic_staop1 - 1;
        for (k = 0; k < STATISTIC_NUM_SLOTS; k++)
        {
            values[i++] = ObjectIdGetDatum(stats->staop[k]);    /* staopN */
        }
+       i = Anum_pg_statistic_stanumbers1 - 1;
        for (k = 0; k < STATISTIC_NUM_SLOTS; k++)
        {
            int         nnum = stats->numnumbers[k];
@@ -1641,6 +1643,7 @@ update_attstats(Oid relid, bool inh, int natts, VacAttrStats **vacattrstats)
                values[i++] = (Datum) 0;
            }
        }
+       i = Anum_pg_statistic_stavalues1 - 1;
        for (k = 0; k < STATISTIC_NUM_SLOTS; k++)
        {
            if (stats->numvalues[k] > 0)
index d09bef06824611c55a12289c923bcf461904bbf4..587a689496fc48f327a324239028ab3166e1332e 100644 (file)
@@ -157,11 +157,10 @@ CreateComments(Oid oid, Oid classoid, int32 subid, char *comment)
            nulls[i] = false;
            replaces[i] = true;
        }
-       i = 0;
-       values[i++] = ObjectIdGetDatum(oid);
-       values[i++] = ObjectIdGetDatum(classoid);
-       values[i++] = Int32GetDatum(subid);
-       values[i++] = CStringGetTextDatum(comment);
+       values[Anum_pg_description_objoid - 1] = ObjectIdGetDatum(oid);
+       values[Anum_pg_description_classoid - 1] = ObjectIdGetDatum(classoid);
+       values[Anum_pg_description_objsubid - 1] = Int32GetDatum(subid);
+       values[Anum_pg_description_description - 1] = CStringGetTextDatum(comment);
    }
 
    /* Use the index to search for a matching old tuple */
@@ -257,10 +256,9 @@ CreateSharedComments(Oid oid, Oid classoid, char *comment)
            nulls[i] = false;
            replaces[i] = true;
        }
-       i = 0;
-       values[i++] = ObjectIdGetDatum(oid);
-       values[i++] = ObjectIdGetDatum(classoid);
-       values[i++] = CStringGetTextDatum(comment);
+       values[Anum_pg_shdescription_objoid - 1] = ObjectIdGetDatum(oid);
+       values[Anum_pg_shdescription_classoid - 1] = ObjectIdGetDatum(classoid);
+       values[Anum_pg_shdescription_description - 1] = CStringGetTextDatum(comment);
    }
 
    /* Use the index to search for a matching old tuple */
index 52c55def155e568bf2a42f65c782f2b83d3fee1b..bb7d468d19db7d43b682c2308eb534bf728c4d17 100644 (file)
@@ -60,7 +60,6 @@ InsertRule(char *rulname,
 {
    char       *evqual = nodeToString(event_qual);
    char       *actiontree = nodeToString((Node *) action);
-   int         i;
    Datum       values[Natts_pg_rewrite];
    bool        nulls[Natts_pg_rewrite];
    bool        replaces[Natts_pg_rewrite];
@@ -78,16 +77,15 @@ InsertRule(char *rulname,
     */
    MemSet(nulls, false, sizeof(nulls));
 
-   i = 0;
    namestrcpy(&rname, rulname);
-   values[i++] = NameGetDatum(&rname); /* rulename */
-   values[i++] = ObjectIdGetDatum(eventrel_oid);       /* ev_class */
-   values[i++] = Int16GetDatum(evslot_index);  /* ev_attr */
-   values[i++] = CharGetDatum(evtype + '0');   /* ev_type */
-   values[i++] = CharGetDatum(RULE_FIRES_ON_ORIGIN);   /* ev_enabled */
-   values[i++] = BoolGetDatum(evinstead);      /* is_instead */
-   values[i++] = CStringGetTextDatum(evqual);  /* ev_qual */
-   values[i++] = CStringGetTextDatum(actiontree);      /* ev_action */
+   values[Anum_pg_rewrite_rulename - 1] = NameGetDatum(&rname);
+   values[Anum_pg_rewrite_ev_class - 1] = ObjectIdGetDatum(eventrel_oid);
+   values[Anum_pg_rewrite_ev_attr - 1] = Int16GetDatum(evslot_index);
+   values[Anum_pg_rewrite_ev_type - 1] = CharGetDatum(evtype + '0');
+   values[Anum_pg_rewrite_ev_enabled - 1] = CharGetDatum(RULE_FIRES_ON_ORIGIN);
+   values[Anum_pg_rewrite_is_instead - 1] = BoolGetDatum(evinstead);
+   values[Anum_pg_rewrite_ev_qual - 1] = CStringGetTextDatum(evqual);
+   values[Anum_pg_rewrite_ev_action - 1] = CStringGetTextDatum(actiontree);
 
    /*
     * Ready to store new pg_rewrite tuple