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Syntax support and documentation for event triggers.

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They don't actually do anything yet; that will get fixed in a
follow-on commit.  But this gets the basic infrastructure in place,
including CREATE/ALTER/DROP EVENT TRIGGER; support for COMMENT,
SECURITY LABEL, and ALTER EXTENSION .. ADD/DROP EVENT TRIGGER;
pg_dump and psql support; and documentation for the anticipated
initial feature set.

Dimitri Fontaine, with review and a bunch of additional hacking by me.
Thom Brown extensively reviewed earlier versions of this patch set,
but there's not a whole lot of that code left in this commit, as it
turns out.
This commit is contained in:
Robert Haas
2012-07-18 10:16:16 -04:00
parent faf26bf117
commit 3855968f32
56 changed files with 2398 additions and 18 deletions
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30
src/backend/nodes/copyfuncs.c
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@ -3466,6 +3466,30 @@ _copyCreateTrigStmt(const CreateTrigStmt *from)
return newnode;
}
static CreateEventTrigStmt *
_copyCreateEventTrigStmt(const CreateEventTrigStmt *from)
{
CreateEventTrigStmt *newnode = makeNode(CreateEventTrigStmt);
COPY_STRING_FIELD(trigname);
COPY_SCALAR_FIELD(eventname);
COPY_NODE_FIELD(whenclause);
COPY_NODE_FIELD(funcname);
return newnode;
}
static AlterEventTrigStmt *
_copyAlterEventTrigStmt(const AlterEventTrigStmt *from)
{
AlterEventTrigStmt *newnode = makeNode(AlterEventTrigStmt);
COPY_STRING_FIELD(trigname);
COPY_SCALAR_FIELD(tgenabled);
return newnode;
}
static CreatePLangStmt *
_copyCreatePLangStmt(const CreatePLangStmt *from)
{
@ -4317,6 +4341,12 @@ copyObject(const void *from)
case T_CreateTrigStmt:
retval = _copyCreateTrigStmt(from);
break;
case T_CreateEventTrigStmt:
retval = _copyCreateEventTrigStmt(from);
break;
case T_AlterEventTrigStmt:
retval = _copyAlterEventTrigStmt(from);
break;
case T_CreatePLangStmt:
retval = _copyCreatePLangStmt(from);
break;