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Support more commands in event triggers

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COMMENT, SECURITY LABEL, and GRANT/REVOKE now also fire
ddl_command_start and ddl_command_end event triggers, when they operate
on database-local objects.

Reviewed-By: Michael Paquier, Andres Freund, Stephen Frost
This commit is contained in:
Alvaro Herrera
2015-02-23 14:22:42 -03:00
parent 88e9823026
commit 296f3a6053
4 changed files with 207 additions and 17 deletions
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64
src/backend/tcop/utility.c
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@@ -513,14 +513,6 @@ standard_ProcessUtility(Node *parsetree,
ExecuteTruncate((TruncateStmt *) parsetree);
break;
case T_CommentStmt:
CommentObject((CommentStmt *) parsetree);
break;
case T_SecLabelStmt:
ExecSecLabelStmt((SecLabelStmt *) parsetree);
break;
case T_CopyStmt:
{
uint64 processed;
@@ -548,11 +540,6 @@ standard_ProcessUtility(Node *parsetree,
DeallocateQuery((DeallocateStmt *) parsetree);
break;
case T_GrantStmt:
/* no event triggers for global objects */
ExecuteGrantStmt((GrantStmt *) parsetree);
break;
case T_GrantRoleStmt:
/* no event triggers for global objects */
GrantRole((GrantRoleStmt *) parsetree);
@@ -783,6 +770,19 @@ standard_ProcessUtility(Node *parsetree,
* in some cases, so we "fast path" them in the other cases.
*/
case T_GrantStmt:
{
GrantStmt *stmt = (GrantStmt *) parsetree;
if (EventTriggerSupportsGrantObjectType(stmt->objtype))
ProcessUtilitySlow(parsetree, queryString,
context, params,
dest, completionTag);
else
ExecuteGrantStmt((GrantStmt *) parsetree);
}
break;
case T_DropStmt:
{
DropStmt *stmt = (DropStmt *) parsetree;
@@ -835,6 +835,32 @@ standard_ProcessUtility(Node *parsetree,
}
break;
case T_CommentStmt:
{
CommentStmt *stmt = (CommentStmt *) parsetree;
if (EventTriggerSupportsObjectType(stmt->objtype))
ProcessUtilitySlow(parsetree, queryString,
context, params,
dest, completionTag);
else
CommentObject((CommentStmt *) parsetree);
break;
}
case T_SecLabelStmt:
{
SecLabelStmt *stmt = (SecLabelStmt *) parsetree;
if (EventTriggerSupportsObjectType(stmt->objtype))
ProcessUtilitySlow(parsetree, queryString,
context, params,
dest, completionTag);
else
ExecSecLabelStmt(stmt);
break;
}
default:
/* All other statement types have event trigger support */
ProcessUtilitySlow(parsetree, queryString,
@@ -1315,6 +1341,14 @@ ProcessUtilitySlow(Node *parsetree,
ExecAlterOwnerStmt((AlterOwnerStmt *) parsetree);
break;
case T_CommentStmt:
CommentObject((CommentStmt *) parsetree, NULL);
break;
case T_GrantStmt:
ExecuteGrantStmt((GrantStmt *) parsetree);
break;
case T_DropOwnedStmt:
DropOwnedObjects((DropOwnedStmt *) parsetree);
break;
@@ -1331,6 +1365,10 @@ ProcessUtilitySlow(Node *parsetree,
AlterPolicy((AlterPolicyStmt *) parsetree);
break;
case T_SecLabelStmt:
ExecSecLabelStmt((SecLabelStmt *) parsetree;
break;
default:
elog(ERROR, "unrecognized node type: %d",
(int) nodeTag(parsetree));