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authorTom Lane2004-08-31 19:28:51 +0000
committerTom Lane2004-08-31 19:28:51 +0000
commitd48bb056478fd3119dcea79c31633f9259ea8cd4 (patch)
treee08064ebe653e79331a54f5ea781f4e6af050913 /src/backend/commands/variable.c
parentf5401cdc0338b1a14ed087ec8cd4d5c9293a9be6 (diff)
Code review for various recent GUC hacking. Don't elog(ERROR) when
not supposed to (fixes problem with postmaster aborting due to mistaken postgresql.conf change); don't call superuser() when not inside a transaction (fixes coredump when, eg, try to set log_statement from PGOPTIONS); some message style guidelines enforcement.
Diffstat (limited to 'src/backend/commands/variable.c')
-rw-r--r--src/backend/commands/variable.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/src/backend/commands/variable.c b/src/backend/commands/variable.c
index b0031df8b2..e2d60387db 100644
--- a/src/backend/commands/variable.c
+++ b/src/backend/commands/variable.c
@@ -475,16 +475,23 @@ show_timezone(void)
const char *
assign_XactIsoLevel(const char *value, bool doit, GucSource source)
{
- if (doit && source >= PGC_S_INTERACTIVE)
+ if (SerializableSnapshot != NULL)
{
- if (SerializableSnapshot != NULL)
+ if (source >= PGC_S_INTERACTIVE)
ereport(ERROR,
(errcode(ERRCODE_ACTIVE_SQL_TRANSACTION),
errmsg("SET TRANSACTION ISOLATION LEVEL must be called before any query")));
- if (IsSubTransaction())
+ else
+ return NULL;
+ }
+ if (IsSubTransaction())
+ {
+ if (source >= PGC_S_INTERACTIVE)
ereport(ERROR,
(errcode(ERRCODE_ACTIVE_SQL_TRANSACTION),
errmsg("SET TRANSACTION ISOLATION LEVEL must not be called in a subtransaction")));
+ else
+ return NULL;
}
if (strcmp(value, "serializable") == 0)