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-rw-r--r--myisam/mi_create.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/myisam/mi_create.c b/myisam/mi_create.c
index 0996c110eea..8aa2dd53027 100644
--- a/myisam/mi_create.c
+++ b/myisam/mi_create.c
@@ -371,7 +371,7 @@ int mi_create(const char *name,uint keys,MI_KEYDEF *keydefs,
length+=key_length;
keydef->block_length= MI_BLOCK_SIZE(length,pointer,MI_MAX_KEYPTR_SIZE);
if (keydef->block_length > MI_MAX_KEY_BLOCK_LENGTH ||
- length > MI_MAX_KEY_LENGTH)
+ length >= MI_MAX_KEY_BUFF)
{
my_errno=HA_WRONG_CREATE_OPTION;
goto err;