diff options
Diffstat (limited to 'src/backend/utils/adt/varchar.c')
| -rw-r--r-- | src/backend/utils/adt/varchar.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/backend/utils/adt/varchar.c b/src/backend/utils/adt/varchar.c index b7230b5bbd9..f25a06e1449 100644 --- a/src/backend/utils/adt/varchar.c +++ b/src/backend/utils/adt/varchar.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.86 2001/11/08 04:05:13 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.87 2001/11/18 12:07:07 ishii Exp $ * *------------------------------------------------------------------------- */ @@ -598,6 +598,10 @@ bpcharlen(PG_FUNCTION_ARGS) BpChar *arg = PG_GETARG_BPCHAR_P(0); #ifdef MULTIBYTE + /* optimization for single byte encoding */ + if (pg_database_encoding_max_length() <= 1) + PG_RETURN_INT32(VARSIZE(arg) - VARHDRSZ); + PG_RETURN_INT32( pg_mbstrlen_with_len(VARDATA(arg), VARSIZE(arg) - VARHDRSZ) ); @@ -806,6 +810,10 @@ varcharlen(PG_FUNCTION_ARGS) VarChar *arg = PG_GETARG_VARCHAR_P(0); #ifdef MULTIBYTE + /* optimization for single byte encoding */ + if (pg_database_encoding_max_length() <= 1) + PG_RETURN_INT32(VARSIZE(arg) - VARHDRSZ); + PG_RETURN_INT32( pg_mbstrlen_with_len(VARDATA(arg), VARSIZE(arg) - VARHDRSZ) ); |