diff options
Diffstat (limited to 'storage/heap/hp_create.c')
| -rw-r--r-- | storage/heap/hp_create.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/storage/heap/hp_create.c b/storage/heap/hp_create.c index 1daca0beeb5..9bd0132664b 100644 --- a/storage/heap/hp_create.c +++ b/storage/heap/hp_create.c @@ -1,5 +1,5 @@ -/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. - Copyright (c) 2010, 2014, SkySQL Ab. +/* Copyright (c) 2000, 2018, Oracle and/or its affiliates. + Copyright (c) 2010, 2018, MariaDB Corporation This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -98,7 +98,14 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info, /* fall through */ case HA_KEYTYPE_VARTEXT1: keyinfo->flag|= HA_VAR_LENGTH_KEY; - length+= 2; + /* + For BTREE algorithm, key length, greater than or equal + to 255, is packed on 3 bytes. + */ + if (keyinfo->algorithm == HA_KEY_ALG_BTREE) + length+= size_to_store_key_length(keyinfo->seg[j].length); + else + length+= 2; /* Save number of bytes used to store length */ keyinfo->seg[j].bit_start= 1; break; @@ -107,7 +114,14 @@ int heap_create(const char *name, HP_CREATE_INFO *create_info, /* fall_through */ case HA_KEYTYPE_VARTEXT2: keyinfo->flag|= HA_VAR_LENGTH_KEY; - length+= 2; + /* + For BTREE algorithm, key length, greater than or equal + to 255, is packed on 3 bytes. + */ + if (keyinfo->algorithm == HA_KEY_ALG_BTREE) + length+= size_to_store_key_length(keyinfo->seg[j].length); + else + length+= 2; /* Save number of bytes used to store length */ keyinfo->seg[j].bit_start= 2; /* |