From 4ae273e3955ebb166d4f016b1b6d9e0d3de4aa83 Mon Sep 17 00:00:00 2001 From: unknown Date: Thu, 4 Oct 2007 16:20:56 +0500 Subject: [PATCH] Bug#30079 A check for "hidden" I_S tables is flawed added check for hidden I_S tables for 'show columns|keys' commands mysql-test/r/information_schema.result: test result mysql-test/t/information_schema.test: test case sql/sql_parse.cc: added check for hidden I_S tables for 'show columns|keys' commands --- mysql-test/r/information_schema.result | 4 ++++ mysql-test/t/information_schema.test | 9 +++++++++ sql/sql_parse.cc | 7 ++++++- 3 files changed, 19 insertions(+), 1 deletion(-) diff --git a/mysql-test/r/information_schema.result b/mysql-test/r/information_schema.result index cf82cdd31bd..8c1a1e67443 100644 --- a/mysql-test/r/information_schema.result +++ b/mysql-test/r/information_schema.result @@ -1386,3 +1386,7 @@ f7 datetime NO NULL f8 datetime YES 2006-01-01 00:00:00 drop table t1; End of 5.0 tests. +show fields from information_schema.TABLE_NAMES; +ERROR 42S02: Unknown table 'TABLE_NAMES' in information_schema +show keys from information_schema.TABLE_NAMES; +ERROR 42S02: Unknown table 'TABLE_NAMES' in information_schema diff --git a/mysql-test/t/information_schema.test b/mysql-test/t/information_schema.test index e9a06c7186e..684deef120e 100644 --- a/mysql-test/t/information_schema.test +++ b/mysql-test/t/information_schema.test @@ -1089,3 +1089,12 @@ show columns from t1; drop table t1; --echo End of 5.0 tests. + +# +# Bug#30079 A check for "hidden" I_S tables is flawed +# +--error 1109 +show fields from information_schema.TABLE_NAMES; +--error 1109 +show keys from information_schema.TABLE_NAMES; + diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc index 084bcfc3c76..52f8fe8615f 100644 --- a/sql/sql_parse.cc +++ b/sql/sql_parse.cc @@ -6427,7 +6427,12 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd, ST_SCHEMA_TABLE *schema_table= find_schema_table(thd, ptr->table_name); if (!schema_table || (schema_table->hidden && - lex->orig_sql_command == SQLCOM_END)) // not a 'show' command + (lex->orig_sql_command == SQLCOM_END || // not a 'show' command + /* + this check is used for show columns|keys from I_S hidden table + */ + lex->orig_sql_command == SQLCOM_SHOW_FIELDS || + lex->orig_sql_command == SQLCOM_SHOW_KEYS))) { my_error(ER_UNKNOWN_TABLE, MYF(0), ptr->table_name, INFORMATION_SCHEMA_NAME.str);