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| author | Sergey Petrunya <psergey@askmonty.org> | 2013-10-10 20:30:32 +0400 |
|---|---|---|
| committer | Sergey Petrunya <psergey@askmonty.org> | 2013-10-10 20:30:32 +0400 |
| commit | 094f70fd1908c17c0ebc4b6942e3bebed0a236ba (patch) | |
| tree | 4058348c37c0ec18249690e111a9cb1a13c55b16 /sql/sql_explain.cc | |
| parent | 582ecb2a253ed2c9e26a2e61102da4bf4ede72d3 (diff) | |
| download | mariadb-git-094f70fd1908c17c0ebc4b6942e3bebed0a236ba.tar.gz | |
MDEV-5106: Server crashes in Explain_union::print_explain on ER_TOO_BIG_SELECT
- Don't save UNION's EXPLAIN data if optimization failed with
an error. We could end up saving incomplete plan, which will
cause a crash when we attempt to print it.
Diffstat (limited to 'sql/sql_explain.cc')
| -rw-r--r-- | sql/sql_explain.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_explain.cc b/sql/sql_explain.cc index 91a73cfb7d3..f8d544a52e9 100644 --- a/sql/sql_explain.cc +++ b/sql/sql_explain.cc @@ -157,6 +157,10 @@ bool print_explain_query(LEX *lex, THD *thd, String *str) } +/* + Return tabular EXPLAIN output as a text string +*/ + bool Explain_query::print_explain_str(THD *thd, String *out_str) { List<Item> fields; |