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Fixes for CREATE_OR_REPLACE

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- MDEV-5587 Server crashes in Locked_tables_list::restore_lock on CREATE OR REPLACE .. SELECT under LOCK
- MDEV-5586 Assertion `share->tdc.all_tables.is_empty() || remove_type != TDC_RT_REMOVE_ALL' fails in tdc_remove_table
- MDEV-5588 Strange error on CREATE OR REPLACE table over an existing view

mysql-test/r/create_or_replace.result:
  Added test cases
mysql-test/r/lowercase_view.result:
  New error message
mysql-test/r/merge.result:
  New error message
mysql-test/r/multi_update.result:
  New error message
mysql-test/r/subselect.result:
  New error message
mysql-test/r/subselect_exists_to_in.result:
  New error message
mysql-test/r/subselect_no_mat.result:
  New error message
mysql-test/r/subselect_no_opts.result:
  New error message
mysql-test/r/subselect_no_scache.result:
  New error message
mysql-test/r/subselect_no_semijoin.result:
  New error message
mysql-test/r/view.result:
  New error message
mysql-test/suite/funcs_1/r/myisam_views-big.result:
  New error message
mysql-test/t/create_or_replace.test:
  New tests
mysql-test/t/view.test:
  New error message
sql/share/errmsg-utf8.txt:
  Added new error message
sql/sql_base.cc:
  Updated error message
  Do an automatic UNLOCK TABLES if we don't have any locked tables (safety fix)
sql/sql_db.cc:
  Updated arguments
sql/sql_load.cc:
  New error message
sql/sql_parse.cc:
  Check that we are not using a table we are dropping and re-creating
sql/sql_table.cc:
  Added parameter to mysql_rm_table_no_locks() to not automaticly do UNLOCK TABLES
  Added better error message if trying to drop a view with DROP TABLE
  Don't try to create something we select from
sql/sql_table.h:
  Updated prototypes
This commit is contained in:
Michael Widenius
2014-01-31 12:06:28 +02:00
parent 2410ecac60
commit 43f6e118fe
21 changed files with 261 additions and 145 deletions
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18
sql/sql_parse.cc
View File

@ -2957,8 +2957,24 @@ case SQLCOM_PREPARE:
/* Got error or warning. Set res to 1 if error */
if (!(res= thd->is_error()))
my_ok(thd); // CREATE ... IF NOT EXISTS
goto end_with_restore_list;
}
/* Ensure we don't try to create something from which we select from */
if ((create_info.options & HA_LEX_CREATE_REPLACE) &&
!create_info.tmp_table())
{
TABLE_LIST *duplicate;
if ((duplicate= unique_table(thd, lex->query_tables,
lex->query_tables->next_global,
0)))
{
update_non_unique_table_error(lex->query_tables, "CREATE",
duplicate);
res= TRUE;
goto end_with_restore_list;
}
}
else
{
/*
Remove target table from main select and name resolution