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| author | Andres Freund <andres@anarazel.de> | 2018-02-16 21:17:38 -0800 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2018-02-16 21:17:38 -0800 |
| commit | ad7dbee368a7cd9e595d2a957be784326b08c943 (patch) | |
| tree | a4846e24bf9f2d78b7c8dfb04323ef984aede517 /src/backend/replication/logical/worker.c | |
| parent | bf6c614a2f2c58312b3be34a47e7fb7362e07bcb (diff) | |
| download | postgresql-ad7dbee368a7cd9e595d2a957be784326b08c943.tar.gz postgresql-ad7dbee368a7cd9e595d2a957be784326b08c943.zip | |
Allow tupleslots to have a fixed tupledesc, use in executor nodes.
The reason for doing so is that it will allow expression evaluation to
optimize based on the underlying tupledesc. In particular it will
allow to JIT tuple deforming together with the expression itself.
For that expression initialization needs to be moved after the
relevant slots are initialized - mostly unproblematic, except in the
case of nodeWorktablescan.c.
After doing so there's no need for ExecAssignResultType() and
ExecAssignResultTypeFromTL() anymore, as all former callers have been
converted to create a slot with a fixed descriptor.
When creating a slot with a fixed descriptor, tts_values/isnull can be
allocated together with the main slot, reducing allocation overhead
and increasing cache density a bit.
Author: Andres Freund
Discussion: https://postgr.es/m/20171206093717.vqdxe5icqttpxs3p@alap3.anarazel.de
Diffstat (limited to 'src/backend/replication/logical/worker.c')
| -rw-r--r-- | src/backend/replication/logical/worker.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/backend/replication/logical/worker.c b/src/backend/replication/logical/worker.c index 83c69092ae8..04985c9f91d 100644 --- a/src/backend/replication/logical/worker.c +++ b/src/backend/replication/logical/worker.c @@ -208,7 +208,7 @@ create_estate_for_relation(LogicalRepRelMapEntry *rel) /* Triggers might need a slot */ if (resultRelInfo->ri_TrigDesc) - estate->es_trig_tuple_slot = ExecInitExtraTupleSlot(estate); + estate->es_trig_tuple_slot = ExecInitExtraTupleSlot(estate, NULL); /* Prepare to catch AFTER triggers. */ AfterTriggerBeginQuery(); @@ -585,8 +585,8 @@ apply_handle_insert(StringInfo s) /* Initialize the executor state. */ estate = create_estate_for_relation(rel); - remoteslot = ExecInitExtraTupleSlot(estate); - ExecSetSlotDescriptor(remoteslot, RelationGetDescr(rel->localrel)); + remoteslot = ExecInitExtraTupleSlot(estate, + RelationGetDescr(rel->localrel)); /* Process and store remote tuple in the slot */ oldctx = MemoryContextSwitchTo(GetPerTupleMemoryContext(estate)); @@ -689,10 +689,10 @@ apply_handle_update(StringInfo s) /* Initialize the executor state. */ estate = create_estate_for_relation(rel); - remoteslot = ExecInitExtraTupleSlot(estate); - ExecSetSlotDescriptor(remoteslot, RelationGetDescr(rel->localrel)); - localslot = ExecInitExtraTupleSlot(estate); - ExecSetSlotDescriptor(localslot, RelationGetDescr(rel->localrel)); + remoteslot = ExecInitExtraTupleSlot(estate, + RelationGetDescr(rel->localrel)); + localslot = ExecInitExtraTupleSlot(estate, + RelationGetDescr(rel->localrel)); EvalPlanQualInit(&epqstate, estate, NULL, NIL, -1); PushActiveSnapshot(GetTransactionSnapshot()); @@ -807,10 +807,10 @@ apply_handle_delete(StringInfo s) /* Initialize the executor state. */ estate = create_estate_for_relation(rel); - remoteslot = ExecInitExtraTupleSlot(estate); - ExecSetSlotDescriptor(remoteslot, RelationGetDescr(rel->localrel)); - localslot = ExecInitExtraTupleSlot(estate); - ExecSetSlotDescriptor(localslot, RelationGetDescr(rel->localrel)); + remoteslot = ExecInitExtraTupleSlot(estate, + RelationGetDescr(rel->localrel)); + localslot = ExecInitExtraTupleSlot(estate, + RelationGetDescr(rel->localrel)); EvalPlanQualInit(&epqstate, estate, NULL, NIL, -1); PushActiveSnapshot(GetTransactionSnapshot()); |