mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 13:32:33 +01:00
37 lines
842 B
Text
37 lines
842 B
Text
# Initialise
|
|
--disable_warnings
|
|
drop table if exists t1,t2;
|
|
--enable_warnings
|
|
|
|
#
|
|
# Testing of the <=> operator
|
|
#
|
|
|
|
#
|
|
# First some simple tests
|
|
#
|
|
|
|
select 0<=>0,0.0<=>0.0,0E0=0E0,"A"<=>"A",NULL<=>NULL;
|
|
select 1<=>0,0<=>NULL,NULL<=>0;
|
|
select 1.0<=>0.0,0.0<=>NULL,NULL<=>0.0;
|
|
select "A"<=>"B","A"<=>NULL,NULL<=>"A";
|
|
select 0<=>0.0, 0.0<=>0E0, 0E0<=>"0", 10.0<=>1E1, 10<=>10.0, 10<=>1E1;
|
|
select 1.0<=>0E1,10<=>NULL,NULL<=>0.0, NULL<=>0E0;
|
|
|
|
#
|
|
# Test with tables
|
|
#
|
|
|
|
create table t1 (id int, value int);
|
|
create table t2 (id int, value int);
|
|
|
|
insert into t1 values (1,null);
|
|
insert into t2 values (1,null);
|
|
|
|
select t1.*, t2.*, t1.value<=>t2.value from t1, t2 where t1.id=t2.id and t1.id=1;
|
|
select * from t1 where id <=>id;
|
|
select * from t1 where value <=> value;
|
|
select * from t1 where id <=> value or value<=>id;
|
|
drop table t1,t2;
|
|
|
|
# End of 4.1 tests
|