* by PostgreSQL
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.539 2009/06/11 14:49:07 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_dump/pg_dump.c,v 1.540 2009/07/02 21:34:32 tgl Exp $
*
*-------------------------------------------------------------------------
*/
static int outputNoTablespaces = 0;
static int use_setsessauth = 0;
- struct option long_options[] = {
+ static struct option long_options[] = {
{"data-only", no_argument, NULL, 'a'},
{"blobs", no_argument, NULL, 'b'},
{"clean", no_argument, NULL, 'c'},
if (binary_upgrade)
{
appendPQExpBuffer(creaQry, "\n-- For binary upgrade, set datfrozenxid.\n");
- appendPQExpBuffer(creaQry, "UPDATE pg_database\n"
+ appendPQExpBuffer(creaQry, "UPDATE pg_catalog.pg_database\n"
"SET datfrozenxid = '%u'\n"
"WHERE datname = ",
frozenxid);
appendPQExpBuffer(q, "SELECT a.attnum, a.attname, "
"a.atttypmod, -1 AS attstattarget, a.attstorage, "
"t.typstorage, a.attnotnull, a.atthasdef, "
- "false AS attisdropped, 0 AS attlen, "
- "' ' AS attalign, false AS attislocal, "
+ "false AS attisdropped, a.attlen, "
+ "a.attalign, false AS attislocal, "
"format_type(t.oid,a.atttypmod) AS atttypname "
"FROM pg_attribute a LEFT JOIN pg_type t "
"ON a.atttypid = t.oid "
"-1 AS attstattarget, attstorage, "
"attstorage AS typstorage, "
"attnotnull, atthasdef, false AS attisdropped, "
- "0 AS attlen, ' ' AS attalign, "
+ "attlen, attalign, "
"false AS attislocal, "
"(SELECT typname FROM pg_type WHERE oid = atttypid) AS atttypname "
"FROM pg_attribute a "
PQclear(res);
-
- /*
- * ALTER TABLE DROP COLUMN clears pg_attribute.atttypid, so we set the
- * column data type to 'TEXT; we will later drop the column.
- */
- if (binary_upgrade)
- {
- for (j = 0; j < ntups; j++)
- {
- if (tbinfo->attisdropped[j])
- tbinfo->atttypnames[j] = strdup("TEXT");
- }
- }
-
/*
* Get info about column defaults
*/
actual_atts = 0;
for (j = 0; j < tbinfo->numatts; j++)
{
- /* Is this one of the table's own attrs, and not dropped ? */
- if (!tbinfo->inhAttrs[j] &&
- (!tbinfo->attisdropped[j] || binary_upgrade))
+ /*
+ * Normally, dump if it's one of the table's own attrs, and not
+ * dropped. But for binary upgrade, dump all the columns.
+ */
+ if ((!tbinfo->inhAttrs[j] && !tbinfo->attisdropped[j]) ||
+ binary_upgrade)
{
/* Format properly if not first attr */
if (actual_atts > 0)
appendPQExpBuffer(q, ",");
appendPQExpBuffer(q, "\n ");
+ actual_atts++;
/* Attribute name */
appendPQExpBuffer(q, "%s ",
fmtId(tbinfo->attnames[j]));
+ if (tbinfo->attisdropped[j])
+ {
+ /*
+ * ALTER TABLE DROP COLUMN clears pg_attribute.atttypid,
+ * so we will not have gotten a valid type name; insert
+ * INTEGER as a stopgap. We'll clean things up later.
+ */
+ appendPQExpBuffer(q, "INTEGER /* dummy */");
+ /* Skip all the rest, too */
+ continue;
+ }
+
/* Attribute type */
if (g_fout->remoteVersion >= 70100)
{
}
/*
- * Default value --- suppress if inherited or to be printed
- * separately.
+ * Default value --- suppress if inherited (except in
+ * binary-upgrade case, where we're not doing normal
+ * inheritance) or if it's to be printed separately.
*/
if (tbinfo->attrdefs[j] != NULL &&
- !tbinfo->inhAttrDef[j] &&
+ (!tbinfo->inhAttrDef[j] || binary_upgrade) &&
!tbinfo->attrdefs[j]->separate)
appendPQExpBuffer(q, " DEFAULT %s",
tbinfo->attrdefs[j]->adef_expr);
/*
- * Not Null constraint --- suppress if inherited
+ * Not Null constraint --- suppress if inherited, except
+ * in binary-upgrade case.
*/
- if (tbinfo->notnull[j] && !tbinfo->inhNotNull[j])
+ if (tbinfo->notnull[j] &&
+ (!tbinfo->inhNotNull[j] || binary_upgrade))
appendPQExpBuffer(q, " NOT NULL");
-
- actual_atts++;
}
}
appendPQExpBuffer(q, "\n)");
- if (numParents > 0)
+ if (numParents > 0 && !binary_upgrade)
{
appendPQExpBuffer(q, "\nINHERITS (");
for (k = 0; k < numParents; k++)
appendPQExpBuffer(q, ";\n");
/*
- * For binary-compatible heap files, we create dropped columns above
- * and drop them here.
+ * To create binary-compatible heap files, we have to ensure the
+ * same physical column order, including dropped columns, as in the
+ * original. Therefore, we create dropped columns above and drop
+ * them here, also updating their attlen/attalign values so that
+ * the dropped column can be skipped properly. (We do not bother
+ * with restoring the original attbyval setting.) Also, inheritance
+ * relationships are set up by doing ALTER INHERIT rather than using
+ * an INHERITS clause --- the latter would possibly mess up the
+ * column order. That also means we have to take care about setting
+ * attislocal correctly, plus fix up any inherited CHECK constraints.
*/
if (binary_upgrade)
{
{
if (tbinfo->attisdropped[j])
{
+ appendPQExpBuffer(q, "\n-- For binary upgrade, recreate dropped column.\n");
+ appendPQExpBuffer(q, "UPDATE pg_catalog.pg_attribute\n"
+ "SET attlen = %d, "
+ "attalign = '%c', attbyval = false\n"
+ "WHERE attname = ",
+ tbinfo->attlen[j],
+ tbinfo->attalign[j]);
+ appendStringLiteralAH(q, tbinfo->attnames[j], fout);
+ appendPQExpBuffer(q, "\n AND attrelid = ");
+ appendStringLiteralAH(q, fmtId(tbinfo->dobj.name), fout);
+ appendPQExpBuffer(q, "::pg_catalog.regclass;\n");
+
appendPQExpBuffer(q, "ALTER TABLE ONLY %s ",
fmtId(tbinfo->dobj.name));
appendPQExpBuffer(q, "DROP COLUMN %s;\n",
fmtId(tbinfo->attnames[j]));
+ }
+ else if (!tbinfo->attislocal[j])
+ {
+ appendPQExpBuffer(q, "\n-- For binary upgrade, recreate inherited column.\n");
+ appendPQExpBuffer(q, "UPDATE pg_catalog.pg_attribute\n"
+ "SET attislocal = false\n"
+ "WHERE attname = ");
+ appendStringLiteralAH(q, tbinfo->attnames[j], fout);
+ appendPQExpBuffer(q, "\n AND attrelid = ");
+ appendStringLiteralAH(q, fmtId(tbinfo->dobj.name), fout);
+ appendPQExpBuffer(q, "::pg_catalog.regclass;\n");
+ }
+ }
- /*
- * ALTER TABLE DROP COLUMN clears pg_attribute.atttypid,
- * so we have to set pg_attribute.attlen and
- * pg_attribute.attalign values because that is what is
- * used to skip over dropped columns in the heap tuples.
- * We have atttypmod, but it seems impossible to know the
- * correct data type that will yield pg_attribute values
- * that match the old installation. See comment in
- * backend/catalog/heap.c::RemoveAttributeById()
- */
- appendPQExpBuffer(q, "\n-- For binary upgrade, recreate dropped column's length and alignment.\n");
- appendPQExpBuffer(q, "UPDATE pg_attribute\n"
- "SET attlen = %d, "
- "attalign = '%c'\n"
- "WHERE attname = '%s'\n"
- " AND attrelid = \n"
- " (\n"
- " SELECT oid\n"
- " FROM pg_class\n"
- " WHERE relnamespace = "
- "(SELECT oid FROM pg_namespace "
- "WHERE nspname = CURRENT_SCHEMA)\n"
- " AND relname = ",
- tbinfo->attlen[j],
- tbinfo->attalign[j],
- tbinfo->attnames[j]);
- appendStringLiteralAH(q, tbinfo->dobj.name, fout);
- appendPQExpBuffer(q, "\n );\n");
+ for (k = 0; k < tbinfo->ncheck; k++)
+ {
+ ConstraintInfo *constr = &(tbinfo->checkexprs[k]);
+
+ if (constr->separate || constr->conislocal)
+ continue;
+
+ appendPQExpBuffer(q, "\n-- For binary upgrade, set up inherited constraint.\n");
+ appendPQExpBuffer(q, "ALTER TABLE ONLY %s ",
+ fmtId(tbinfo->dobj.name));
+ appendPQExpBuffer(q, " ADD CONSTRAINT %s ",
+ fmtId(constr->dobj.name));
+ appendPQExpBuffer(q, "%s;\n", constr->condef);
+ appendPQExpBuffer(q, "UPDATE pg_catalog.pg_constraint\n"
+ "SET conislocal = false\n"
+ "WHERE contype = 'c' AND conname = ");
+ appendStringLiteralAH(q, constr->dobj.name, fout);
+ appendPQExpBuffer(q, "\n AND conrelid = ");
+ appendStringLiteralAH(q, fmtId(tbinfo->dobj.name), fout);
+ appendPQExpBuffer(q, "::pg_catalog.regclass;\n");
+ }
+
+ if (numParents > 0)
+ {
+ appendPQExpBuffer(q, "\n-- For binary upgrade, set up inheritance this way.\n");
+ for (k = 0; k < numParents; k++)
+ {
+ TableInfo *parentRel = parents[k];
+
+ appendPQExpBuffer(q, "ALTER TABLE ONLY %s INHERIT ",
+ fmtId(tbinfo->dobj.name));
+ if (parentRel->dobj.namespace != tbinfo->dobj.namespace)
+ appendPQExpBuffer(q, "%s.",
+ fmtId(parentRel->dobj.namespace->dobj.name));
+ appendPQExpBuffer(q, "%s;\n",
+ fmtId(parentRel->dobj.name));
}
}
+
appendPQExpBuffer(q, "\n-- For binary upgrade, set relfrozenxid.\n");
- appendPQExpBuffer(q, "UPDATE pg_class\n"
+ appendPQExpBuffer(q, "UPDATE pg_catalog.pg_class\n"
"SET relfrozenxid = '%u'\n"
- "WHERE relname = ",
+ "WHERE oid = ",
tbinfo->frozenxid);
- appendStringLiteralAH(q, tbinfo->dobj.name, fout);
- appendPQExpBuffer(q, "\n AND relnamespace = "
- "(SELECT oid FROM pg_namespace "
- "WHERE nspname = CURRENT_SCHEMA);\n");
+ appendStringLiteralAH(q, fmtId(tbinfo->dobj.name), fout);
+ appendPQExpBuffer(q, "::pg_catalog.regclass;\n");
}
/* Loop dumping statistics and storage statements */
if (!tbinfo->dobj.dump || !adinfo->separate || dataOnly)
return;
- /* Don't print inherited defaults, either */
- if (tbinfo->inhAttrDef[adnum - 1])
+ /* Don't print inherited defaults, either, except for binary upgrade */
+ if (tbinfo->inhAttrDef[adnum - 1] && !binary_upgrade)
return;
q = createPQExpBuffer();
projects / postgresql.git / commitdiff