PREPARE stmt FROM ' select * from t1 where a = ? ' ;
SET @var= 2 ;
EXECUTE stmt USING @var ;
a b
2 two
select * from t1 where a = @var ;
a b
2 two
DEALLOCATE PREPARE stmt ;
prepare stmt1 from ' select 1 as my_col ' ;
prepare stmt1 from ' select ? as my_col ' ;
prepare ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
prepare stmt1 ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
prepare stmt1 from ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
prepare_garbage stmt1 from ' select 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'prepare_garbage stmt1 from ' select 1 '' at line 1
prepare stmt1 from_garbage ' select 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from_garbage ' select 1 '' at line 1
prepare stmt1 from ' select_garbage 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'select_garbage 1' at line 1
prepare from ' select 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'from ' select 1 '' at line 1
prepare stmt1 ' select 1 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' select 1 '' at line 1
prepare ? from ' select ? as my_col ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '? from ' select ? as my_col '' at line 1
set @arg00='select 1 as my_col';
prepare stmt1 from @arg00;
set @arg00='';
prepare stmt1 from @arg00;
ERROR 42000: Query was empty
set @arg00=NULL;
prepare stmt1 from @arg01;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'NULL' at line 1
prepare stmt1 from ' select * from t1 where a <= 2 ' ;
prepare stmt1 from ' select * from t1 where x <= 2 ' ;
ERROR 42S22: Unknown column 'x' in 'where clause'
drop table if exists not_exist ;
prepare stmt1 from ' select * from not_exist where a <= 2 ' ;
ERROR 42S02: Table 'test.not_exist' doesn't exist
prepare stmt1 from ' insert into t1 values(? ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
prepare stmt1 from ' select a, b from t1
where a=? and where ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'where' at line 2
execute never_prepared ;
ERROR HY000: Unknown prepared statement handler (never_prepared) given to EXECUTE
prepare stmt1 from ' select * from t1 where a <= 2 ' ;
prepare stmt1 from ' select * from not_exist where a <= 2 ' ;
ERROR 42S02: Table 'test.not_exist' doesn't exist
execute stmt1 ;
ERROR HY000: Unknown prepared statement handler (stmt1) given to EXECUTE
create table to_be_dropped
(
a int primary key,
b char(30),
c int
);
insert into to_be_dropped( a, b, c) values( 1, 'original table', 1);
prepare stmt2 from ' select * from to_be_dropped ' ;
prepare stmt4 from ' show status like ''Threads_running'' ';
execute stmt4;
Variable_name Value
Threads_running 1
prepare stmt4 from ' show variables like ''sql_mode'' ';
execute stmt4;
Variable_name Value
sql_mode
prepare stmt4 from ' show engine bdb logs ';
execute stmt4;
prepare stmt4 from ' show full processlist ';
execute stmt4;
Id User Host db Command Time State Info
number root localhost test Query 0 NULL show full processlist
prepare stmt4 from ' show grants for user ';
prepare stmt4 from ' show create table t2 ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show master status ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show master logs ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show slave status ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show warnings limit 20 ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show errors limit 20 ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' show storage engines ';
execute stmt4;
Engine Support Comment
MyISAM YES/NO Default type from 3.23 with great performance
HEAP YES/NO Hash based, stored in memory, useful for temporary tables
MEMORY YES/NO Alias for HEAP
MERGE YES/NO Collection of identical MyISAM tables
MRG_MYISAM YES/NO Alias for MERGE
ISAM YES/NO Obsolete table type; Is replaced by MyISAM
MRG_ISAM YES/NO Obsolete table type; Is replaced by MRG_MYISAM
InnoDB YES/NO Supports transactions, row-level locking and foreign keys
INNOBASE YES/NO Alias for INNODB
BDB YES/NO Supports transactions and page-level locking
BERKELEYDB YES/NO Alias for BDB
NDBCLUSTER YES/NO Clustered, fault tolerant memory based tables
NDB YES/NO Alias for NDBCLUSTER
EXAMPLE YES/NO Example storage engine
ARCHIVE YES/NO Archive storage engine
drop table if exists tx;
prepare stmt1 from ' drop table if exists tx ' ;
execute stmt1 ;
Warnings:
Note 1051 Unknown table 'tx'
prepare stmt1 from ' drop table tx ' ;
execute stmt1 ;
ERROR 42S02: Unknown table 'tx'
prepare stmt1 from ' prepare stmt2 from '' select 1 '' ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' select 1 '' at line 1
prepare stmt1 from ' execute stmt2 ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'stmt2' at line 1
prepare stmt1 from ' deallocate prepare never_prepared ' ;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'never_prepared' at line 1
prepare stmt4 from ' use test ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt3 from ' create database drop_me ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
create database drop_me ;
prepare stmt3 from ' drop database drop_me ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
drop database drop_me ;
prepare stmt3 from ' grant all on test.t1 to drop_user@localhost
identified by ''looser'' ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
grant all on test.t1 to drop_user@localhost
identified by 'looser' ;
prepare stmt3 from ' revoke all privileges on test.t1 from
drop_user@localhost ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
revoke all privileges on test.t1 from drop_user@localhost ;
prepare stmt3 from ' drop user drop_user@localhost ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
drop user drop_user@localhost;
prepare stmt3 from ' describe t2 ';
execute stmt3;
Field Type Null Key Default Extra
a int(11) PRI 0
b char(10) YES MUL NULL
drop table t2 ;
execute stmt3;
ERROR 42S02: Table 'test.t2' doesn't exist
prepare stmt3 from ' lock tables t1 read ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt3 from ' unlock tables ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' load data infile ''data.txt''
into table t1 fields terminated by ''\t'' ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' select * into outfile ''data.txt'' from t1 ';
execute stmt1 ;
prepare stmt1 from ' optimize table t1 ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' analyze table t1 ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' checksum table t1 ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' repair table t1 ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' restore table t1 from ''data.txt'' ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' handler t1 open ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt3 from ' commit ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt3 from ' rollback ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt4 from ' SET sql_mode=ansi ';
execute stmt4;
select 'a' || 'b' ;
'a' || 'b'
ab
prepare stmt4 from ' SET sql_mode="" ';
execute stmt4;
select 'a' || 'b' ;
'a' || 'b'
0
prepare stmt5 from ' select ''a'' || ''b'' ' ;
execute stmt5;
'a' || 'b'
0
SET sql_mode=ansi;
execute stmt5;
'a' || 'b'
0
SET sql_mode="";
prepare stmt1 from ' flush local privileges ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' reset query cache ' ;
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' KILL 0 ';
ERROR HY000: This command is not supported in the prepared statement protocol yet
prepare stmt1 from ' explain select a from t1 order by b ';
execute stmt1;
Catalog Database Table Table_alias Column Column_alias Name Type Length Max length Is_null Flags Decimals Charsetnr