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Bug#25629 CREATE TABLE LIKE does not work with INFORMATION_SCHEMA
added new func mysql_create_like_schema_frm() which creates frm file based on I_S table mysql-test/r/create.result: test result mysql-test/t/create.test: test case sql/sql_table.cc: added new func mysql_create_like_schema_frm() which creates frm file based on I_S table
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3 changed files with 109 additions and 1 deletions
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@ -1705,4 +1705,42 @@ create table t1 as select 1;
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create table t2 as select f1() from t1;
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drop table t1,t2;
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drop function f1;
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create table t1 like information_schema.processlist;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`ID` bigint(4) NOT NULL DEFAULT '0',
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`USER` varchar(16) NOT NULL DEFAULT '',
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`HOST` varchar(64) NOT NULL DEFAULT '',
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`DB` varchar(64) DEFAULT NULL,
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`COMMAND` varchar(16) NOT NULL DEFAULT '',
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`TIME` bigint(7) NOT NULL DEFAULT '0',
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`STATE` varchar(64) DEFAULT NULL,
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`INFO` longtext
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) ENGINE=MyISAM DEFAULT CHARSET=utf8
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drop table t1;
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create temporary table t1 like information_schema.processlist;
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show create table t1;
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Table Create Table
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t1 CREATE TEMPORARY TABLE `t1` (
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`ID` bigint(4) NOT NULL DEFAULT '0',
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`USER` varchar(16) NOT NULL DEFAULT '',
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`HOST` varchar(64) NOT NULL DEFAULT '',
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`DB` varchar(64) DEFAULT NULL,
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`COMMAND` varchar(16) NOT NULL DEFAULT '',
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`TIME` bigint(7) NOT NULL DEFAULT '0',
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`STATE` varchar(64) DEFAULT NULL,
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`INFO` longtext
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) ENGINE=MyISAM DEFAULT CHARSET=utf8
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drop table t1;
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create table t1 like information_schema.character_sets;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`CHARACTER_SET_NAME` varchar(64) NOT NULL DEFAULT '',
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`DEFAULT_COLLATE_NAME` varchar(64) NOT NULL DEFAULT '',
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`DESCRIPTION` varchar(60) NOT NULL DEFAULT '',
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`MAXLEN` bigint(3) NOT NULL DEFAULT '0'
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) ENGINE=MEMORY DEFAULT CHARSET=utf8
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drop table t1;
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End of 5.1 tests
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@ -1328,4 +1328,17 @@ create table t2 as select f1() from t1;
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drop table t1,t2;
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drop function f1;
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#
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# Bug#25629 CREATE TABLE LIKE does not work with INFORMATION_SCHEMA
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#
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create table t1 like information_schema.processlist;
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show create table t1;
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drop table t1;
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create temporary table t1 like information_schema.processlist;
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show create table t1;
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drop table t1;
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create table t1 like information_schema.character_sets;
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show create table t1;
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drop table t1;
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--echo End of 5.1 tests
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@ -4565,6 +4565,55 @@ bool mysql_preload_keys(THD* thd, TABLE_LIST* tables)
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}
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/**
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@brief Create frm file based on I_S table
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@param[in] thd thread handler
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@param[in] schema_table I_S table
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@param[in] dst_path path where frm should be created
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@param[in] create_info Create info
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@return Operation status
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@retval 0 success
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@retval 1 error
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*/
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bool mysql_create_like_schema_frm(THD* thd, TABLE_LIST* schema_table,
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char *dst_path, HA_CREATE_INFO *create_info)
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{
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HA_CREATE_INFO local_create_info;
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Alter_info alter_info;
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bool tmp_table= (create_info->options & HA_LEX_CREATE_TMP_TABLE);
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uint keys= schema_table->table->s->keys;
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uint db_options= 0;
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DBUG_ENTER("mysql_create_like_schema_frm");
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bzero((char*) &local_create_info, sizeof(local_create_info));
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local_create_info.db_type= schema_table->table->s->db_type();
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local_create_info.row_type= schema_table->table->s->row_type;
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local_create_info.default_table_charset=default_charset_info;
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alter_info.flags= (ALTER_CHANGE_COLUMN | ALTER_RECREATE);
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schema_table->table->use_all_columns();
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if (mysql_prepare_alter_table(thd, schema_table->table,
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&local_create_info, &alter_info))
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DBUG_RETURN(1);
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if (mysql_prepare_create_table(thd, &local_create_info, &alter_info,
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tmp_table, &db_options,
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schema_table->table->file,
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&schema_table->table->s->key_info, &keys, 0))
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DBUG_RETURN(1);
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local_create_info.max_rows= 0;
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if (mysql_create_frm(thd, dst_path, NullS, NullS,
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&local_create_info, alter_info.create_list,
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keys, schema_table->table->s->key_info,
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schema_table->table->file))
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DBUG_RETURN(1);
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DBUG_RETURN(0);
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}
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/*
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Create a table identical to the specified table
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@ -4668,7 +4717,15 @@ bool mysql_create_like_table(THD* thd, TABLE_LIST* table, TABLE_LIST* src_table,
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during the call to ha_create_table(). See bug #28614 for more info.
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*/
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VOID(pthread_mutex_lock(&LOCK_open));
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if (my_copy(src_path, dst_path, MYF(MY_DONT_OVERWRITE_FILE)))
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if (src_table->schema_table)
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{
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if (mysql_create_like_schema_frm(thd, src_table, dst_path, create_info))
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{
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VOID(pthread_mutex_unlock(&LOCK_open));
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goto err;
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}
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}
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else if (my_copy(src_path, dst_path, MYF(MY_DONT_OVERWRITE_FILE)))
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{
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if (my_errno == ENOENT)
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my_error(ER_BAD_DB_ERROR,MYF(0),db);
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