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|
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|
a
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3
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|
a
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6
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; INSERT INTO t1 VALUES (4)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; INSERT INTO t1 VALUES (5)
master-bin.000001 # Query # # COMMIT
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; INSERT INTO t1 VALUES (6)
master-bin.000001 # Query # # COMMIT
PREPARE stmt FROM "BEGIN NOT ATOMIC
DECLARE v_res INT;
SELECT COUNT(*) INTO v_res FROM t1;
SELECT 'Hello World', v_res INTO ?,?;
END"|
SET @val="", @val2=""|
EXECUTE stmt USING @val, @val2|
SELECT @val, @val2|
@val @val2
Hello World 6
DROP TABLE t1|
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|
DATABASE()
mysqltest1
USE mysqltest1|
DROP DATABASE mysqltest1|
BEGIN NOT ATOMIC CREATE TABLE t1(a int); END|
ERROR 3D000: No database selected
BEGIN NOT ATOMIC SET @a=1; CREATE TABLE test.t1(a int); END|
USE test|
show tables|
Tables_in_test
t1
drop table t1|
/**/ 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|
Tables_in_test
t1
/**/ 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|
Tables_in_test
t1
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|
Tables_in_test
t1
t2
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|
Tables_in_test
t1
t2
t3
loop
create table t4 (a int);
end loop|
ERROR 42S01: Table 't4' already exists
show tables|
Tables_in_test
t1
t2
t3
t4
set @a=0;
repeat
set @a = @a + 1;
until @a > 5
end repeat|
select @a|
@a
6
/**/ 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|
executing: drop table t1
executing: drop table t2
executing: drop table t3
executing: drop table t4
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|
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1
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|
include/show_binlog_events.inc
Log_name Pos Event_type Server_id End_log_pos Info
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; SELECT "test"."fn"(9)
master-bin.000001 # Gtid # # GTID #-#-#
master-bin.000001 # Query # # use `test`; SELECT "test"."fn"(1)
master-bin.000001 # Gtid # # BEGIN GTID #-#-#
master-bin.000001 # Query # # use `test`; insert t1 values( NAME_CONST('a',4)+3)
master-bin.000001 # Query # # COMMIT
drop function fn|
drop table t1|
|
