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-rw-r--r--src/backend/utils/mb/mbutils.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/src/backend/utils/mb/mbutils.c b/src/backend/utils/mb/mbutils.c
index 9a739019531..fe8941b3c02 100644
--- a/src/backend/utils/mb/mbutils.c
+++ b/src/backend/utils/mb/mbutils.c
@@ -4,7 +4,7 @@
*
* Tatsuo Ishii
*
- * $PostgreSQL: pgsql/src/backend/utils/mb/mbutils.c,v 1.87 2009/06/11 14:49:05 momjian Exp $
+ * $PostgreSQL: pgsql/src/backend/utils/mb/mbutils.c,v 1.88 2009/07/07 18:23:14 petere Exp $
*/
#include "postgres.h"
@@ -482,6 +482,17 @@ length_in_encoding(PG_FUNCTION_ARGS)
}
+Datum
+pg_encoding_max_length_sql(PG_FUNCTION_ARGS)
+{
+ int encoding = PG_GETARG_INT32(0);
+
+ if (PG_VALID_ENCODING(encoding))
+ return pg_wchar_table[encoding].maxmblen;
+ else
+ PG_RETURN_NULL();
+}
+
/*
* convert client encoding to server encoding.
*/