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-rw-r--r--src/backend/catalog/pg_depend.c31
-rw-r--r--src/backend/commands/tablecmds.c2
-rw-r--r--src/backend/parser/parse_utilcmd.c52
-rw-r--r--src/backend/rewrite/rewriteHandler.c19
4 files changed, 61 insertions, 43 deletions
diff --git a/src/backend/catalog/pg_depend.c b/src/backend/catalog/pg_depend.c
index f85a898de8d..5366f7820c1 100644
--- a/src/backend/catalog/pg_depend.c
+++ b/src/backend/catalog/pg_depend.c
@@ -23,10 +23,12 @@
#include "catalog/pg_constraint.h"
#include "catalog/pg_depend.h"
#include "catalog/pg_extension.h"
+#include "catalog/partition.h"
#include "commands/extension.h"
#include "miscadmin.h"
#include "utils/fmgroids.h"
#include "utils/lsyscache.h"
+#include "utils/syscache.h"
#include "utils/rel.h"
@@ -941,10 +943,35 @@ getOwnedSequences(Oid relid)
* Get owned identity sequence, error if not exactly one.
*/
Oid
-getIdentitySequence(Oid relid, AttrNumber attnum, bool missing_ok)
+getIdentitySequence(Relation rel, AttrNumber attnum, bool missing_ok)
{
- List *seqlist = getOwnedSequences_internal(relid, attnum, DEPENDENCY_INTERNAL);
+ Oid relid;
+ List *seqlist;
+ /*
+ * The identity sequence is associated with the topmost partitioned table,
+ * which might have column order different than the given partition.
+ */
+ if (RelationGetForm(rel)->relispartition)
+ {
+ List *ancestors =
+ get_partition_ancestors(RelationGetRelid(rel));
+ HeapTuple ctup = SearchSysCacheAttNum(RelationGetRelid(rel), attnum);
+ const char *attname = NameStr(((Form_pg_attribute) GETSTRUCT(ctup))->attname);
+ HeapTuple ptup;
+
+ relid = llast_oid(ancestors);
+ ptup = SearchSysCacheAttName(relid, attname);
+ attnum = ((Form_pg_attribute) GETSTRUCT(ptup))->attnum;
+
+ ReleaseSysCache(ctup);
+ ReleaseSysCache(ptup);
+ list_free(ancestors);
+ }
+ else
+ relid = RelationGetRelid(rel);
+
+ seqlist = getOwnedSequences_internal(relid, attnum, DEPENDENCY_INTERNAL);
if (list_length(seqlist) > 1)
elog(ERROR, "more than one owned sequence found");
else if (seqlist == NIL)
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index a79ac884f7c..5bf5e69c5b8 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -8535,7 +8535,7 @@ ATExecDropIdentity(Relation rel, const char *colName, bool missing_ok, LOCKMODE
if (!recursing)
{
/* drop the internal sequence */
- seqid = getIdentitySequence(RelationGetRelid(rel), attnum, false);
+ seqid = getIdentitySequence(rel, attnum, false);
deleteDependencyRecordsForClass(RelationRelationId, seqid,
RelationRelationId, DEPENDENCY_INTERNAL);
CommandCounterIncrement();
diff --git a/src/backend/parser/parse_utilcmd.c b/src/backend/parser/parse_utilcmd.c
index 9fb6ff86db5..6520bf9baa5 100644
--- a/src/backend/parser/parse_utilcmd.c
+++ b/src/backend/parser/parse_utilcmd.c
@@ -1136,7 +1136,7 @@ transformTableLikeClause(CreateStmtContext *cxt, TableLikeClause *table_like_cla
* find sequence owned by old column; extract sequence parameters;
* build new create sequence command
*/
- seq_relid = getIdentitySequence(RelationGetRelid(relation), attribute->attnum, false);
+ seq_relid = getIdentitySequence(relation, attribute->attnum, false);
seq_options = sequence_options(seq_relid);
generateSerialExtraStmts(cxt, def,
InvalidOid, seq_options,
@@ -3716,28 +3716,36 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
/*
* For identity column, create ALTER SEQUENCE command to
- * change the data type of the sequence.
+ * change the data type of the sequence. Identity sequence
+ * is associated with the top level partitioned table.
+ * Hence ignore partitions.
*/
- attnum = get_attnum(relid, cmd->name);
- if (attnum == InvalidAttrNumber)
- ereport(ERROR,
- (errcode(ERRCODE_UNDEFINED_COLUMN),
- errmsg("column \"%s\" of relation \"%s\" does not exist",
- cmd->name, RelationGetRelationName(rel))));
-
- if (attnum > 0 &&
- TupleDescAttr(tupdesc, attnum - 1)->attidentity)
+ if (!RelationGetForm(rel)->relispartition)
{
- Oid seq_relid = getIdentitySequence(relid, attnum, false);
- Oid typeOid = typenameTypeId(pstate, def->typeName);
- AlterSeqStmt *altseqstmt = makeNode(AlterSeqStmt);
-
- altseqstmt->sequence = makeRangeVar(get_namespace_name(get_rel_namespace(seq_relid)),
- get_rel_name(seq_relid),
- -1);
- altseqstmt->options = list_make1(makeDefElem("as", (Node *) makeTypeNameFromOid(typeOid, -1), -1));
- altseqstmt->for_identity = true;
- cxt.blist = lappend(cxt.blist, altseqstmt);
+ attnum = get_attnum(relid, cmd->name);
+ if (attnum == InvalidAttrNumber)
+ ereport(ERROR,
+ (errcode(ERRCODE_UNDEFINED_COLUMN),
+ errmsg("column \"%s\" of relation \"%s\" does not exist",
+ cmd->name, RelationGetRelationName(rel))));
+
+ if (attnum > 0 &&
+ TupleDescAttr(tupdesc, attnum - 1)->attidentity)
+ {
+ Oid seq_relid = getIdentitySequence(rel, attnum, false);
+ Oid typeOid = typenameTypeId(pstate, def->typeName);
+ AlterSeqStmt *altseqstmt = makeNode(AlterSeqStmt);
+
+ altseqstmt->sequence
+ = makeRangeVar(get_namespace_name(get_rel_namespace(seq_relid)),
+ get_rel_name(seq_relid),
+ -1);
+ altseqstmt->options = list_make1(makeDefElem("as",
+ (Node *) makeTypeNameFromOid(typeOid, -1),
+ -1));
+ altseqstmt->for_identity = true;
+ cxt.blist = lappend(cxt.blist, altseqstmt);
+ }
}
newcmds = lappend(newcmds, cmd);
@@ -3803,7 +3811,7 @@ transformAlterTableStmt(Oid relid, AlterTableStmt *stmt,
errmsg("column \"%s\" of relation \"%s\" does not exist",
cmd->name, RelationGetRelationName(rel))));
- seq_relid = getIdentitySequence(relid, attnum, true);
+ seq_relid = getIdentitySequence(rel, attnum, true);
if (seq_relid)
{
diff --git a/src/backend/rewrite/rewriteHandler.c b/src/backend/rewrite/rewriteHandler.c
index 9fd05b15e73..8a29fbbc465 100644
--- a/src/backend/rewrite/rewriteHandler.c
+++ b/src/backend/rewrite/rewriteHandler.c
@@ -24,7 +24,6 @@
#include "access/sysattr.h"
#include "access/table.h"
#include "catalog/dependency.h"
-#include "catalog/partition.h"
#include "commands/trigger.h"
#include "executor/executor.h"
#include "foreign/fdwapi.h"
@@ -1233,24 +1232,8 @@ build_column_default(Relation rel, int attrno)
if (att_tup->attidentity)
{
NextValueExpr *nve = makeNode(NextValueExpr);
- Oid reloid;
- /*
- * The identity sequence is associated with the topmost partitioned
- * table.
- */
- if (rel->rd_rel->relispartition)
- {
- List *ancestors =
- get_partition_ancestors(RelationGetRelid(rel));
-
- reloid = llast_oid(ancestors);
- list_free(ancestors);
- }
- else
- reloid = RelationGetRelid(rel);
-
- nve->seqid = getIdentitySequence(reloid, attrno, false);
+ nve->seqid = getIdentitySequence(rel, attrno, false);
nve->typeId = att_tup->atttypid;
return (Node *) nve;
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-06 19:46:53 +0000