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subselects in insert/replace (SCRUM)

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This commit is contained in:
bell@sanja.is.com.ua
2002-11-26 01:00:05 +02:00
parent b8f5fc3a13
commit fdb3eaf3d7
4 changed files with 128 additions and 12 deletions
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62
mysql-test/r/subselect.result
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@ -335,7 +335,6 @@ a b
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drop table t1, t2;
drop table if exists t1, t2;
create table t1 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t1 values (0, 10),(1, 11),(2, 12);
@ -354,3 +353,64 @@ a b
0 10
1 11
drop table t1, t2;
CREATE TABLE t1 (x int);
create table t2 (a int);
insert into t2 values (1);
INSERT INTO t1 (x) VALUES ((SELECT a FROM t2));
select * from t1;
x
1
insert into t2 values (1);
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
select * from t1;
x
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2
INSERT INTO t1 (x) select (SELECT SUM(a)+1 FROM t2) FROM t2;
select * from t1;
x
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2
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INSERT INTO t1 (x) select (SELECT SUM(x)+2 FROM t1) FROM t2;
INSERT TABLE 't1' isn't allowed in FROM table list
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(x) FROM t1));
select * from t1;
x
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drop table t1, t2;
CREATE TABLE t1 (x int not null, y int, primary key (x));
create table t2 (a int);
insert into t2 values (1);
select * from t1;
x y
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+1 FROM t2));
select * from t1;
x y
1 2
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+2 FROM t2));
select * from t1;
x y
1 3
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a FROM t2));
select * from t1;
x y
1 3
4 1
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a+1 FROM t2));
select * from t1;
x y
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4 2
replace LOW_PRIORITY into t1 (x, y) VALUES ((SELECT a+1 FROM t2), (SELECT a FROM t2));
select * from t1;
x y
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4 2
2 1
drop table t1, t2;

39
mysql-test/t/subselect.test
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@ -216,7 +216,6 @@ select * from t1;
drop table t1, t2;
#delete with subselects
drop table if exists t1, t2;
create table t1 (a int NOT NULL, b int, primary key (a));
create table t2 (a int NOT NULL, b int, primary key (a));
insert into t1 values (0, 10),(1, 11),(2, 12);
@ -226,3 +225,41 @@ select * from t1 where b = (select b from t2 where t1.a = t2.a);
delete from t1 where b = (select b from t2 where t1.a = t2.a);
select * from t1;
drop table t1, t2;
#insert with subselects
CREATE TABLE t1 (x int);
create table t2 (a int);
insert into t2 values (1);
INSERT INTO t1 (x) VALUES ((SELECT a FROM t2));
select * from t1;
insert into t2 values (1);
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(a) FROM t2));
-- sleep 1
select * from t1;
INSERT INTO t1 (x) select (SELECT SUM(a)+1 FROM t2) FROM t2;
select * from t1;
-- error 1093
INSERT INTO t1 (x) select (SELECT SUM(x)+2 FROM t1) FROM t2;
INSERT DELAYED INTO t1 (x) VALUES ((SELECT SUM(x) FROM t1));
-- sleep 1
select * from t1;
drop table t1, t2;
#replace with subselects
CREATE TABLE t1 (x int not null, y int, primary key (x));
create table t2 (a int);
insert into t2 values (1);
select * from t1;
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+1 FROM t2));
select * from t1;
replace into t1 (x, y) VALUES ((SELECT a FROM t2), (SELECT a+2 FROM t2));
select * from t1;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a FROM t2));
-- sleep 1
select * from t1;
replace DELAYED into t1 (x, y) VALUES ((SELECT a+3 FROM t2), (SELECT a+1 FROM t2));
-- sleep 1
select * from t1;
replace LOW_PRIORITY into t1 (x, y) VALUES ((SELECT a+1 FROM t2), (SELECT a FROM t2));
select * from t1;
drop table t1, t2;