hcq/oceanbase
hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

fix collation free compare with rowkey helper

Browse Source
This commit is contained in:
obdev 2021-07-11 21:15:12 +08:00 committed by wangzelin.wzl
parent 025f70b876
commit 4c04455403
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/storage/ob_sstable_rowkey_helper.cpp
View File

@ -120,7 +120,12 @@ int ObRowkeyObjComparer::sstable_oracle_collation_free_cmp_func(
// int32_t is always capable of stroing the max lenth of varchar or char
for (int32_t i = 0; i < left_len; ++i) {
if (*(uptr + i) != ' ') {
cmp = lhs_len > cmp_len ? ObObjCmpFuncs::CR_GT : ObObjCmpFuncs::CR_LT;
// mysql特殊行为：a\1 < a，但ab > a
if (*(uptr + i) < ' ') {
cmp = lhs_len > cmp_len ? ObObjCmpFuncs::CR_LT : ObObjCmpFuncs::CR_GT;
} else {
cmp = lhs_len > cmp_len ? ObObjCmpFuncs::CR_GT : ObObjCmpFuncs::CR_LT;
}
break;
}
}