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MDEV-12877 Wrong result from JSON native function.

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Set default charset for temporary paths so UDF call don't crash.
This commit is contained in:
Alexey Botchkov
2017-09-13 00:36:09 +04:00
parent 80a3837283
commit a237a92099
1 changed files with 3 additions and 0 deletions
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3
sql/item_jsonfunc.cc
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@ -650,6 +650,7 @@ static int alloc_tmp_paths(THD *thd, uint n_paths,
if (*tmp_paths == 0)
{
MEM_ROOT *root= thd->stmt_arena->mem_root;
*paths= (json_path_with_flags *) alloc_root(root,
sizeof(json_path_with_flags) * n_paths);
*tmp_paths= (String *) alloc_root(root, sizeof(String) * n_paths);
@ -657,6 +658,8 @@ static int alloc_tmp_paths(THD *thd, uint n_paths,
return 1;
bzero(*tmp_paths, sizeof(String) * n_paths);
for (uint c_path=0; c_path < n_paths; c_path++)
(*tmp_paths)[c_path].set_charset(&my_charset_utf8_general_ci);
}
return 0;