diff options
Diffstat (limited to 'src/backend/commands/dbcommands.c')
| -rw-r--r-- | src/backend/commands/dbcommands.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/src/backend/commands/dbcommands.c b/src/backend/commands/dbcommands.c index 70329ce3974..fdb2ed2fcbd 100644 --- a/src/backend/commands/dbcommands.c +++ b/src/backend/commands/dbcommands.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.148.4.3 2005/06/25 22:47:49 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/commands/dbcommands.c,v 1.148.4.4 2010/03/25 14:45:51 alvherre Exp $ * *------------------------------------------------------------------------- */ @@ -812,9 +812,30 @@ AlterDatabaseSet(AlterDatabaseSetStmt *stmt) if (strcmp(stmt->variable, "all") == 0 && valuestr == NULL) { - /* RESET ALL */ - repl_null[Anum_pg_database_datconfig - 1] = 'n'; - repl_val[Anum_pg_database_datconfig - 1] = (Datum) 0; + ArrayType *new = NULL; + Datum datum; + bool isnull; + + /* + * in RESET ALL, request GUC to reset the settings array; if none + * left, we can set datconfig to null; otherwise use the returned + * array + */ + datum = heap_getattr(tuple, Anum_pg_database_datconfig, + RelationGetDescr(rel), &isnull); + if (!isnull) + new = GUCArrayReset(DatumGetArrayTypeP(datum)); + if (new) + { + repl_val[Anum_pg_database_datconfig - 1] = PointerGetDatum(new); + repl_repl[Anum_pg_database_datconfig - 1] = 'r'; + repl_null[Anum_pg_database_datconfig - 1] = ' '; + } + else + { + repl_null[Anum_pg_database_datconfig - 1] = 'n'; + repl_val[Anum_pg_database_datconfig - 1] = (Datum) 0; + } } else { |