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Inherit parent's AM for partition MERGE/SPLIT operations

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This commit makes new partitions created by ALTER TABLE ... SPLIT PARTITION
and ALTER TABLE ... MERGE PARTITIONS commands inherit the paret table access
method.

Reported-by: Alexander Lakhin
Discussion: https://postgr.es/m/84ada05b-be5c-473e-6d1c-ebe5dd21b190%40gmail.com
Reviewed-by: Pavel Borisov
This commit is contained in:
Alexander Korotkov
2024-04-30 11:55:13 +03:00
parent 60ae37a8bc
commit 259c96fa8f
6 changed files with 74 additions and 2 deletions
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6
src/backend/commands/tablecmds.c
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@ -21213,6 +21213,11 @@ moveSplitTableRows(Relation rel, Relation splitRel, List *partlist, List *newPar
*
* Emulates command: CREATE [TEMP] TABLE <newPartName> (LIKE <modelRel's name>
* INCLUDING ALL EXCLUDING INDEXES EXCLUDING IDENTITY)
*
* Also, this function sets the new partition access method same as parent
* table access methods (similarly to CREATE TABLE ... PARTITION OF). It
* checks that parent and child tables have compatible persistence.
*
* Function returns the created relation (locked in AccessExclusiveLock mode).
*/
static Relation
@ -21243,6 +21248,7 @@ createPartitionTable(RangeVar *newPartName, Relation modelRel,
createStmt->oncommit = ONCOMMIT_NOOP;
createStmt->tablespacename = NULL;
createStmt->if_not_exists = false;
createStmt->accessMethod = get_am_name(modelRel->rd_rel->relam);
tlc = makeNode(TableLikeClause);
tlc->relation = makeRangeVar(get_namespace_name(RelationGetNamespace(modelRel)),