mariadb/mysql-test/t/ps.test

#
# SQL Syntax for Prepared Statements test
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings

create table t1
(
  a int primary key,
  b char(10)
);
insert into t1 values (1,'one');
insert into t1 values (2,'two');
insert into t1 values (3,'three');
insert into t1 values (4,'four');

# basic functionality
set @a=2;
prepare stmt1 from 'select * from t1 where a <= ?';
execute stmt1 using @a;
set @a=3;
execute stmt1 using @a;

# non-existant statement
--error 1243
deallocate prepare no_such_statement;

--error 1210
execute stmt1;

# Nesting ps commands is not allowed: 
--error 1064
prepare stmt2 from 'prepare nested_stmt from "select 1"';

--error 1064
prepare stmt2 from 'execute stmt1';

--error 1064
prepare stmt2 from 'deallocate prepare z';

# PS insert 
prepare stmt3 from 'insert into t1 values (?,?)';
set @arg1=5, @arg2='five';
execute stmt3 using @arg1, @arg2;
select * from t1 where a>3;

# PS update 
prepare stmt4 from 'update t1 set a=? where b=?';
set @arg1=55, @arg2='five';
execute stmt4 using @arg1, @arg2;
select * from t1 where a>3;

# PS create/delete
prepare stmt4 from 'create table t2 (a int)';
execute stmt4;
prepare stmt4 from 'drop table t2';
execute stmt4;

# Do something that will cause error
--error 1051
execute stmt4;

# placeholders in result field names.
prepare stmt5 from 'select ? + a from t1';
set @a=1;
execute stmt5 using @a;

execute stmt5 using @no_such_var;

set @nullvar=1;
set @nullvar=NULL;
execute stmt5 using @nullvar;

set @nullvar2=NULL;
execute stmt5 using @nullvar2;

# Check that multiple SQL statements are disabled inside PREPARE
--error 1064
prepare stmt6 from 'select 1; select2';

--error 1064
prepare stmt6 from 'insert into t1 values (5,"five"); select2';

# This shouldn't parse
--error 1064
explain prepare stmt6 from 'insert into t1 values (5,"five"); select2';

create table t2
(
  a int
);

insert into t2 values (0);

# parameter is NULL
set @arg00=NULL ;
prepare stmt1 from 'select 1 FROM t2 where a=?' ;
execute stmt1 using @arg00 ;

drop table t1,t2;