database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

MDEV-10577 sql_mode=ORACLE: %TYPE in variable declarations

Browse Source
This commit is contained in:
Alexander Barkov
2016-12-06 09:05:52 +04:00
parent cd1afe0aac
commit 46d076d67a
30 changed files with 2713 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
sql/sql_show.cc
View File

@ -4207,6 +4207,7 @@ fill_schema_table_by_open(THD *thd, bool is_show_fields_or_keys,
/* Prepare temporary LEX. */
thd->lex= lex= &temp_lex;
lex_start(thd);
lex->sql_command= old_lex->sql_command;
/* Disable constant subquery evaluation as we won't be locking tables. */
lex->context_analysis_only= CONTEXT_ANALYSIS_ONLY_VIEW;
@ -4259,26 +4260,8 @@ fill_schema_table_by_open(THD *thd, bool is_show_fields_or_keys,
table_list->i_s_requested_object= schema_table->i_s_requested_object;
}
/*
Let us set fake sql_command so views won't try to merge
themselves into main statement. If we don't do this,
SELECT * from information_schema.xxxx will cause problems.
SQLCOM_SHOW_FIELDS is used because it satisfies
'only_view_structure()'.
*/
lex->sql_command= SQLCOM_SHOW_FIELDS;
result= (thd->open_temporary_tables(table_list) ||
open_normal_and_derived_tables(thd, table_list,
(MYSQL_OPEN_IGNORE_FLUSH |
MYSQL_OPEN_FORCE_SHARED_HIGH_PRIO_MDL |
(can_deadlock ?
MYSQL_OPEN_FAIL_ON_MDL_CONFLICT : 0)),
DT_PREPARE | DT_CREATE));
/*
Restore old value of sql_command back as it is being looked at in
process_table() function.
*/
lex->sql_command= old_lex->sql_command;
DBUG_ASSERT(thd->lex == lex);
result= open_tables_only_view_structure(thd, table_list, can_deadlock);
DEBUG_SYNC(thd, "after_open_table_ignore_flush");