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|
#
# MDEV-5317 Compound statement / anonymous blocks
#
source include/have_log_bin.inc;
delimiter |;
CREATE TABLE t1 (a INT PRIMARY KEY)|
BEGIN NOT ATOMIC
INSERT INTO t1 VALUES (1);
INSERT INTO t1 VALUES (2);
INSERT INTO t1 VALUES (3);
END|
SELECT * FROM t1|
PREPARE stmt FROM "BEGIN NOT ATOMIC
INSERT INTO t1 VALUES (4);
INSERT INTO t1 VALUES (5);
INSERT INTO t1 VALUES (?);
END";
SET @val = 6|
reset master|
EXECUTE stmt USING @val|
SELECT * FROM t1|
# see how ?-placeholder was replaced with the value
delimiter ;|
source include/show_binlog_events.inc;
delimiter |;
DROP TABLE t1|
#
# test for default database
#
# * SP db is different from the current db
CREATE DATABASE mysqltest1|
CREATE PROCEDURE mysqltest1.sp1()
BEGIN
PREPARE stmt FROM "BEGIN NOT ATOMIC CREATE TABLE t1 AS SELECT DATABASE(); END";
EXECUTE stmt;
END|
CALL mysqltest1.sp1()|
SELECT * FROM mysqltest1.t1|
USE mysqltest1|
DROP DATABASE mysqltest1|
# * no current db
--error ER_NO_DB_ERROR
BEGIN NOT ATOMIC CREATE TABLE t1(a int); END|
BEGIN NOT ATOMIC SET @a=1; CREATE TABLE test.t1(a int); END|
USE test|
show tables|
drop table t1|
# IF (without /**/ mysqltest treats if as its own command)
/**/ if (select count(*) from information_schema.tables
where table_schema='test' and table_name='t1') = 0
then
create table t1 (a int);
end if|
show tables|
/**/ if (select count(*) from information_schema.tables
where table_schema='test' and table_name='t1') = 0
then
create table t1 (a int);
end if|
show tables|
# CASE simple
case (select table_name from information_schema.tables where table_schema='test')
when 't1' then create table t2 (b int);
when 't2' then create table t3 (b int);
else signal sqlstate '42S02';
end case|
show tables|
# CASE searched
case
when database() = 'test' then create table t3 (test text);
when now() < date'2001-02-03' then create table oops (machine time);
end case|
show tables|
# LOOP
--error ER_TABLE_EXISTS_ERROR
loop
create table t4 (a int);
end loop|
show tables|
# REPEAT
set @a=0;
repeat
set @a = @a + 1;
until @a > 5
end repeat|
select @a|
# WHILE
--vertical_results
/**/ while (select count(*) from information_schema.tables where table_schema='test')
do
select concat('drop table ', table_name) into @a
from information_schema.tables where table_schema='test' limit 1;
select @a as 'executing:';
prepare dt from @a;
execute dt;
end while|
--horizontal_results
# see how ?-placeholder and SP variables are replaced with values
create table t1 (x int)|
create function fn(a int) returns int
begin
insert t1 values (a+7);
return a+8;
end|
reset master|
/**/ if fn(9) > 5 then
select 1;
end if|
prepare stmt from "if fn(?) > 6 then
begin
declare a int;
set a=?*2;
insert t1 values(a+?);
end;
end if"|
set @a=1, @b=2, @c=3|
execute stmt using @a, @b, @c|
delimiter ;|
source include/show_binlog_events.inc;
delimiter |;
drop function fn|
drop table t1|
#
# MDEV-6606 Server crashes in String::append on selecting sql_mode inside anonymous block
# MDEV-6609 SQL inside an anonymous block is executed with wrong SQL_MODE
#
begin not atomic select @@sql_mode; end|
create table t1 (a int)|
select a from t1 having a > 1|
begin not atomic select a from t1 having a > 1; end|
drop table t1|
--echo #
--echo # MDEV-8615: Assertion `m_cpp_buf <= begin_ptr &&
--echo # begin_ptr <= m_cpp_buf + m_buf_length' failed in
--echo # Lex_input_stream::body_utf8_start
--echo #
--error ER_PARSE_ERROR
--query b'
|
