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Make new event trigger facility actually do something.

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Commit 3855968f32 added syntax, pg_dump,
psql support, and documentation, but the triggers didn't actually fire.
With this commit, they now do.  This is still a pretty basic facility
overall because event triggers do not get a whole lot of information
about what the user is trying to do unless you write them in C; and
there's still no option to fire them anywhere except at the very
beginning of the execution sequence, but it's better than nothing,
and a good building block for future work.

Along the way, add a regression test for ALTER LARGE OBJECT, since
testing of event triggers reveals that we haven't got one.

Dimitri Fontaine and Robert Haas
This commit is contained in:
Robert Haas
2012-07-20 11:38:47 -04:00
parent be86e3dd5b
commit 3a0e4d36eb
28 changed files with 1087 additions and 197 deletions
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17
contrib/pg_stat_statements/pg_stat_statements.c
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@ -240,8 +240,9 @@ static void pgss_ExecutorRun(QueryDesc *queryDesc,
static void pgss_ExecutorFinish(QueryDesc *queryDesc);
static void pgss_ExecutorEnd(QueryDesc *queryDesc);
static void pgss_ProcessUtility(Node *parsetree,
const char *queryString, ParamListInfo params, bool isTopLevel,
DestReceiver *dest, char *completionTag);
const char *queryString, ParamListInfo params,
DestReceiver *dest, char *completionTag,
ProcessUtilityContext context);
static uint32 pgss_hash_fn(const void *key, Size keysize);
static int pgss_match_fn(const void *key1, const void *key2, Size keysize);
static uint32 pgss_hash_string(const char *str);
@ -785,8 +786,8 @@ pgss_ExecutorEnd(QueryDesc *queryDesc)
*/
static void
pgss_ProcessUtility(Node *parsetree, const char *queryString,
ParamListInfo params, bool isTopLevel,
DestReceiver *dest, char *completionTag)
ParamListInfo params, DestReceiver *dest,
char *completionTag, ProcessUtilityContext context)
{
/*
* If it's an EXECUTE statement, we don't track it and don't increment the
@ -819,10 +820,10 @@ pgss_ProcessUtility(Node *parsetree, const char *queryString,
{
if (prev_ProcessUtility)
prev_ProcessUtility(parsetree, queryString, params,
isTopLevel, dest, completionTag);
dest, completionTag, context);
else
standard_ProcessUtility(parsetree, queryString, params,
isTopLevel, dest, completionTag);
dest, completionTag, context);
nested_level--;
}
PG_CATCH();
@ -880,10 +881,10 @@ pgss_ProcessUtility(Node *parsetree, const char *queryString,
{
if (prev_ProcessUtility)
prev_ProcessUtility(parsetree, queryString, params,
isTopLevel, dest, completionTag);
dest, completionTag, context);
else
standard_ProcessUtility(parsetree, queryString, params,
isTopLevel, dest, completionTag);
dest, completionTag, context);
}
}