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External triggers

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This commit is contained in:
Adam Guo 2025-05-20 23:46:39 +00:00
parent 5a31d7a9ad
commit 0be0a58bc9
4 changed files with 11 additions and 7 deletions
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8
createas.c
View file

@ -747,6 +747,8 @@ CreateIvmTrigger(Oid relOid, ImmvAddress immv_addr, int16 type, int16 timing, bo
if (type == TRIGGER_TYPE_DELETE || type == TRIGGER_TYPE_UPDATE)
ex_lock = true;
ivm_trigger->trigname = psprintf("%s_%d_%d", ivm_trigger->trigname, relOid,
immv_addr.address.objectId);
ivm_trigger->funcname =
(timing == TRIGGER_TYPE_BEFORE ?
PgIvmFuncName("IVM_immediate_before") : PgIvmFuncName("IVM_immediate_maintenance"));
@ -759,12 +761,12 @@ CreateIvmTrigger(Oid relOid, ImmvAddress immv_addr, int16 type, int16 timing, bo
ivm_trigger->initdeferred = false;
ivm_trigger->constrrel = NULL;
ivm_trigger->args = list_make2(
makeString(DatumGetPointer(UUIDPGetDatum(&immv_addr.immv_uuid))),
makeString(DatumGetPointer(DirectFunctionCall1(uuid_out, UUIDPGetDatum(&immv_addr.immv_uuid)))),
makeString(DatumGetPointer(DirectFunctionCall1(boolout, BoolGetDatum(ex_lock))))
);
address = CreateTrigger(ivm_trigger, NULL, relOid, InvalidOid, InvalidOid,
InvalidOid, InvalidOid, InvalidOid, NULL, true, false);
InvalidOid, InvalidOid, InvalidOid, NULL, false, false);
recordDependencyOn(&address, &refaddr, DEPENDENCY_AUTO);
@ -1733,7 +1735,7 @@ StoreImmvQuery(ImmvAddress immv_addr, Query *viewQuery)
*/
save_nestlevel = NewGUCNestLevel();
RestrictSearchPath();
matviewRel = table_open(viewOid, AccessShareLock);
matviewRel = table_open(immv_addr.address.objectId, AccessShareLock);
querystring = pg_ivm_get_viewdef_internal(viewQuery, matviewRel, true);
table_close(matviewRel, NoLock);
/* Roll back the search_path change. */

1
event_trigger.c
View file

@ -1,6 +1,7 @@
#include "postgres.h"
#include "pg_ivm.h"
#include "access/genam.h"
#include "access/table.h"
#include "catalog/indexing.h"
#include "commands/event_trigger.h"

4
matview.c
View file

@ -857,7 +857,7 @@ IVM_immediate_before(PG_FUNCTION_ARGS)
bool found;
bool ex_lock;
immv_uuid = DatumGetUUIDP(CStringGetDatum(immv_uuid_text));
immv_uuid = DatumGetUUIDP(DirectFunctionCall1(uuid_in, (CStringGetDatum(immv_uuid_text))));
ex_lock = DatumGetBool(DirectFunctionCall1(boolin, CStringGetDatum(ex_lock_text)));
matviewOid = GetImmvRelid(immv_uuid);
@ -1006,7 +1006,7 @@ IVM_immediate_maintenance(PG_FUNCTION_ARGS)
rel = trigdata->tg_relation;
relid = rel->rd_id;
immv_uuid = DatumGetUUIDP(CStringGetDatum(immv_uuid_text));
immv_uuid = DatumGetUUIDP(DirectFunctionCall1(uuid_in, (CStringGetDatum(immv_uuid_text))));
matviewOid = GetImmvRelid(immv_uuid);
/*

5
pg_ivm.c
View file

@ -320,7 +320,6 @@ CreateChangePreventTrigger(Oid matviewOid)
ivm_trigger->row = false;
ivm_trigger->timing = TRIGGER_TYPE_BEFORE;
ivm_trigger->trigname = "IVM_prevent_immv_change";
ivm_trigger->funcname = PgIvmFuncName("IVM_prevent_immv_change");
ivm_trigger->columns = NIL;
ivm_trigger->transitionRels = NIL;
@ -334,8 +333,10 @@ CreateChangePreventTrigger(Oid matviewOid)
for (i = 0; i < 4; i++)
{
ivm_trigger->events = types[i];
ivm_trigger->trigname = psprintf("IVM_prevent_immv_change_%d_%d",
matviewOid, i + 1);
address = CreateTrigger(ivm_trigger, NULL, matviewOid, InvalidOid, InvalidOid,
InvalidOid, InvalidOid, InvalidOid, NULL, true, false);
InvalidOid, InvalidOid, InvalidOid, NULL, false, false);
recordDependencyOn(&address, &refaddr, DEPENDENCY_AUTO);
}