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| author | unknown <ram@gw.mysql.r18.ru> | 2004-09-03 19:59:29 +0500 |
|---|---|---|
| committer | unknown <ram@gw.mysql.r18.ru> | 2004-09-03 19:59:29 +0500 |
| commit | 8838c971fa6ced3a8cb90c154bc5b9e0ec4bfba5 (patch) | |
| tree | 2d229ece9ab6e399ce768d24026efbcd64481ad8 /sql/sql_union.cc | |
| parent | b871ea386c706a63bb53876d143d06e4109b4169 (diff) | |
| download | mariadb-git-8838c971fa6ced3a8cb90c154bc5b9e0ec4bfba5.tar.gz | |
A fix (Bug #4980: union statement with () union () order by produces wrong explain).
Diffstat (limited to 'sql/sql_union.cc')
| -rw-r--r-- | sql/sql_union.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_union.cc b/sql/sql_union.cc index 8088737c0de..f79ff7967db 100644 --- a/sql/sql_union.cc +++ b/sql/sql_union.cc @@ -148,6 +148,10 @@ int mysql_union(THD *thd, LEX *lex,select_result *result) { ha_rows records_at_start; lex->select=sl; +#if MYSQL_VERSION_ID < 40100 + if (describe && sl->linkage == NOT_A_SELECT) + break; // Skip extra item in case of 'explain' +#endif /* Don't use offset for the last union if there is no braces */ if (sl != lex_sl) { |