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authorMarko Mäkelä <marko.makela@mariadb.com>2019-06-12 10:25:34 +0300
committerMarko Mäkelä <marko.makela@mariadb.com>2019-06-12 10:30:01 +0300
commit4bbd8be482929984b9dceb077187d0fdbbcde4f0 (patch)
tree64e98c1390baa3c35f3a18845ef4155fc3092ac1 /sql/sql_parse.cc
parent34b38ad726025b3ede5db0f5b7dfaaafc8d1e754 (diff)
parentb2f76bac035b62899207d443c48da8cd614cd05b (diff)
downloadmariadb-git-4bbd8be482929984b9dceb077187d0fdbbcde4f0.tar.gz
Merge 10.1 into 10.2
Diffstat (limited to 'sql/sql_parse.cc')
-rw-r--r--sql/sql_parse.cc275
1 files changed, 1 insertions, 274 deletions
diff --git a/sql/sql_parse.cc b/sql/sql_parse.cc
index 6cec9902491..976cfe3df03 100644
--- a/sql/sql_parse.cc
+++ b/sql/sql_parse.cc
@@ -3781,280 +3781,6 @@ mysql_execute_command(THD *thd)
res = ha_show_status(thd, lex->create_info.db_type, HA_ENGINE_MUTEX);
break;
}
- case SQLCOM_CREATE_TABLE:
- {
- DBUG_ASSERT(first_table == all_tables && first_table != 0);
- bool link_to_local;
- TABLE_LIST *create_table= first_table;
- TABLE_LIST *select_tables= lex->create_last_non_select_table->next_global;
-
- if (lex->tmp_table())
- {
- status_var_decrement(thd->status_var.com_stat[SQLCOM_CREATE_TABLE]);
- status_var_increment(thd->status_var.com_create_tmp_table);
- }
-
- /*
- Code below (especially in mysql_create_table() and select_create
- methods) may modify HA_CREATE_INFO structure in LEX, so we have to
- use a copy of this structure to make execution prepared statement-
- safe. A shallow copy is enough as this code won't modify any memory
- referenced from this structure.
- */
- Table_specification_st create_info(lex->create_info);
- /*
- We need to copy alter_info for the same reasons of re-execution
- safety, only in case of Alter_info we have to do (almost) a deep
- copy.
- */
- Alter_info alter_info(lex->alter_info, thd->mem_root);
-
- if (thd->is_fatal_error)
- {
- /* If out of memory when creating a copy of alter_info. */
- res= 1;
- goto end_with_restore_list;
- }
-
- /* Check privileges */
- if ((res= create_table_precheck(thd, select_tables, create_table)))
- goto end_with_restore_list;
-
- /* Might have been updated in create_table_precheck */
- create_info.alias= create_table->alias;
-
- /* Fix names if symlinked or relocated tables */
- if (append_file_to_dir(thd, &create_info.data_file_name,
- create_table->table_name) ||
- append_file_to_dir(thd, &create_info.index_file_name,
- create_table->table_name))
- goto end_with_restore_list;
-
- /*
- If no engine type was given, work out the default now
- rather than at parse-time.
- */
- if (!(create_info.used_fields & HA_CREATE_USED_ENGINE))
- create_info.use_default_db_type(thd);
- /*
- If we are using SET CHARSET without DEFAULT, add an implicit
- DEFAULT to not confuse old users. (This may change).
- */
- if ((create_info.used_fields &
- (HA_CREATE_USED_DEFAULT_CHARSET | HA_CREATE_USED_CHARSET)) ==
- HA_CREATE_USED_CHARSET)
- {
- create_info.used_fields&= ~HA_CREATE_USED_CHARSET;
- create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
- create_info.default_table_charset= create_info.table_charset;
- create_info.table_charset= 0;
- }
-
- /*
- If we are a slave, we should add OR REPLACE if we don't have
- IF EXISTS. This will help a slave to recover from
- CREATE TABLE OR EXISTS failures by dropping the table and
- retrying the create.
- */
- if (thd->slave_thread &&
- slave_ddl_exec_mode_options == SLAVE_EXEC_MODE_IDEMPOTENT &&
- !lex->create_info.if_not_exists())
- {
- create_info.add(DDL_options_st::OPT_OR_REPLACE);
- create_info.add(DDL_options_st::OPT_OR_REPLACE_SLAVE_GENERATED);
- }
-
-#ifdef WITH_PARTITION_STORAGE_ENGINE
- {
- partition_info *part_info= thd->lex->part_info;
- if (part_info && !(part_info= part_info->get_clone(thd)))
- {
- res= -1;
- goto end_with_restore_list;
- }
- thd->work_part_info= part_info;
- }
-#endif
-
- if (select_lex->item_list.elements) // With select
- {
- select_result *result;
-
- /*
- CREATE TABLE...IGNORE/REPLACE SELECT... can be unsafe, unless
- ORDER BY PRIMARY KEY clause is used in SELECT statement. We therefore
- use row based logging if mixed or row based logging is available.
- TODO: Check if the order of the output of the select statement is
- deterministic. Waiting for BUG#42415
- */
- if(lex->ignore)
- lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_CREATE_IGNORE_SELECT);
-
- if(lex->duplicates == DUP_REPLACE)
- lex->set_stmt_unsafe(LEX::BINLOG_STMT_UNSAFE_CREATE_REPLACE_SELECT);
-
- /*
- If:
- a) we inside an SP and there was NAME_CONST substitution,
- b) binlogging is on (STMT mode),
- c) we log the SP as separate statements
- raise a warning, as it may cause problems
- (see 'NAME_CONST issues' in 'Binary Logging of Stored Programs')
- */
- if (thd->query_name_consts && mysql_bin_log.is_open() &&
- thd->wsrep_binlog_format() == BINLOG_FORMAT_STMT &&
- !mysql_bin_log.is_query_in_union(thd, thd->query_id))
- {
- List_iterator_fast<Item> it(select_lex->item_list);
- Item *item;
- uint splocal_refs= 0;
- /* Count SP local vars in the top-level SELECT list */
- while ((item= it++))
- {
- if (item->get_item_splocal())
- splocal_refs++;
- }
- /*
- If it differs from number of NAME_CONST substitution applied,
- we may have a SOME_FUNC(NAME_CONST()) in the SELECT list,
- that may cause a problem with binary log (see BUG#35383),
- raise a warning.
- */
- if (splocal_refs != thd->query_name_consts)
- push_warning(thd,
- Sql_condition::WARN_LEVEL_WARN,
- ER_UNKNOWN_ERROR,
-"Invoked routine ran a statement that may cause problems with "
-"binary log, see 'NAME_CONST issues' in 'Binary Logging of Stored Programs' "
-"section of the manual.");
- }
-
- select_lex->options|= SELECT_NO_UNLOCK;
- unit->set_limit(select_lex);
-
- /*
- Disable non-empty MERGE tables with CREATE...SELECT. Too
- complicated. See Bug #26379. Empty MERGE tables are read-only
- and don't allow CREATE...SELECT anyway.
- */
- if (create_info.used_fields & HA_CREATE_USED_UNION)
- {
- my_error(ER_WRONG_OBJECT, MYF(0), create_table->db,
- create_table->table_name, "BASE TABLE");
- res= 1;
- goto end_with_restore_list;
- }
-
- /* Copy temporarily the statement flags to thd for lock_table_names() */
- uint save_thd_create_info_options= thd->lex->create_info.options;
- thd->lex->create_info.options|= create_info.options;
- res= open_and_lock_tables(thd, create_info, lex->query_tables, TRUE, 0);
- thd->lex->create_info.options= save_thd_create_info_options;
- if (res)
- {
- /* 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.or_replace() && !create_info.tmp_table())
- {
- TABLE_LIST *duplicate;
- if ((duplicate= unique_table(thd, lex->query_tables,
- lex->query_tables->next_global,
- CHECK_DUP_FOR_CREATE | CHECK_DUP_SKIP_TEMP_TABLE)))
- {
- update_non_unique_table_error(lex->query_tables, "CREATE",
- duplicate);
- res= TRUE;
- goto end_with_restore_list;
- }
- }
- {
- /*
- Remove target table from main select and name resolution
- context. This can't be done earlier as it will break view merging in
- statements like "CREATE TABLE IF NOT EXISTS existing_view SELECT".
- */
- lex->unlink_first_table(&link_to_local);
-
- /* Store reference to table in case of LOCK TABLES */
- create_info.table= create_table->table;
-
- /*
- select_create is currently not re-execution friendly and
- needs to be created for every execution of a PS/SP.
- Note: In wsrep-patch, CTAS is handled like a regular transaction.
- */
- if ((result= new (thd->mem_root) select_create(thd, create_table,
- &create_info,
- &alter_info,
- select_lex->item_list,
- lex->duplicates,
- lex->ignore,
- select_tables)))
- {
- /*
- CREATE from SELECT give its SELECT_LEX for SELECT,
- and item_list belong to SELECT
- */
- if (!(res= handle_select(thd, lex, result, 0)))
- {
- if (create_info.tmp_table())
- thd->variables.option_bits|= OPTION_KEEP_LOG;
- }
- delete result;
- }
- lex->link_first_table_back(create_table, link_to_local);
- }
- }
- else
- {
- /* regular create */
- if (create_info.like())
- {
- /* CREATE TABLE ... LIKE ... */
- res= mysql_create_like_table(thd, create_table, select_tables,
- &create_info);
- }
- else
- {
- /*
- In STATEMENT format, we probably have to replicate also temporary
- tables, like mysql replication does. Also check if the requested
- engine is allowed/supported.
- */
- if (WSREP(thd) &&
- !check_engine(thd, create_table->db, create_table->table_name,
- &create_info) &&
- (!thd->is_current_stmt_binlog_format_row() ||
- !create_info.tmp_table()))
- {
- WSREP_TO_ISOLATION_BEGIN(create_table->db, create_table->table_name, NULL)
- }
- /* Regular CREATE TABLE */
- res= mysql_create_table(thd, create_table, &create_info, &alter_info);
- }
- if (!res)
- {
- /* So that CREATE TEMPORARY TABLE gets to binlog at commit/rollback */
- if (create_info.tmp_table())
- thd->variables.option_bits|= OPTION_KEEP_LOG;
- /* in case of create temp tables if @@session_track_state_change is
- ON then send session state notification in OK packet */
- if(create_info.options & HA_LEX_CREATE_TMP_TABLE)
- {
- SESSION_TRACKER_CHANGED(thd, SESSION_STATE_CHANGE_TRACKER, NULL);
- }
- my_ok(thd);
- }
- }
-
-end_with_restore_list:
- break;
- }
case SQLCOM_CREATE_INDEX:
case SQLCOM_DROP_INDEX:
/*
@@ -6230,6 +5956,7 @@ end_with_restore_list:
case SQLCOM_OPTIMIZE:
case SQLCOM_REPAIR:
case SQLCOM_TRUNCATE:
+ case SQLCOM_CREATE_TABLE:
case SQLCOM_ALTER_TABLE:
DBUG_ASSERT(first_table == all_tables && first_table != 0);
/* fall through */