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authorTom Lane <tgl@sss.pgh.pa.us>2007-09-10 00:57:22 +0000
committerTom Lane <tgl@sss.pgh.pa.us>2007-09-10 00:57:22 +0000
commit40fda15dcebdd07ee75ac1f55dad145f91297b99 (patch)
tree6cd1af9a9e865d6b25c4a20e4f5ee02d7f40a0e3 /src/backend/utils/cache/ts_cache.c
parent43df609daa0dbc941338564d0d77cfd852ab8385 (diff)
downloadpostgresql-40fda15dcebdd07ee75ac1f55dad145f91297b99.tar.gz
postgresql-40fda15dcebdd07ee75ac1f55dad145f91297b99.zip
Code review for GUC revert-values-if-removed-from-postgresql.conf patch;
and in passing, fix some bogosities dating from the custom_variable_classes patch. Fix guc-file.l to correctly check changes in custom_variable_classes that are attempted concurrently with additions/removals of custom variables, and don't allow the new setting to be applied in advance of checking it. Clean up messy and undocumented situation for string variables with NULL boot_val. Fix DefineCustomVariable functions to initialize boot_val correctly. Prevent find_option from inserting bogus placeholders for custom variables that are simply inquired about rather than being set.
Diffstat (limited to 'src/backend/utils/cache/ts_cache.c')
-rw-r--r--src/backend/utils/cache/ts_cache.c12
1 files changed, 2 insertions, 10 deletions
diff --git a/src/backend/utils/cache/ts_cache.c b/src/backend/utils/cache/ts_cache.c
index 94051b8c32f..63c57905565 100644
--- a/src/backend/utils/cache/ts_cache.c
+++ b/src/backend/utils/cache/ts_cache.c
@@ -20,7 +20,7 @@
* Copyright (c) 2006-2007, PostgreSQL Global Development Group
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/utils/cache/ts_cache.c,v 1.2 2007/08/22 01:39:45 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/cache/ts_cache.c,v 1.3 2007/09/10 00:57:21 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -592,14 +592,6 @@ getTSCurrentConfig(bool emitError)
const char *
assignTSCurrentConfig(const char *newval, bool doit, GucSource source)
{
- /* do nothing during initial GUC setup */
- if (newval == NULL)
- {
- if (doit)
- TSCurrentConfigCache = InvalidOid;
- return newval;
- }
-
/*
* If we aren't inside a transaction, we cannot do database access so
* cannot verify the config name. Must accept it on faith.
@@ -637,7 +629,7 @@ assignTSCurrentConfig(const char *newval, bool doit, GucSource source)
newval = strdup(buf);
pfree(buf);
- if (doit)
+ if (doit && newval)
TSCurrentConfigCache = cfgId;
}
else