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Postfix for bug#22331 for windows platform. explain.test, explain.result: Cleanup after bugfix#22331. mysql-test/t/explain.test: Cleanup after bugfix#22331. mysql-test/r/explain.result: Cleanup after bugfix#22331. sql/sql_select.cc: Postfix for bug#22331 for windows platform.
70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
#
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# Test of different EXPLAIN's
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--disable_warnings
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drop table if exists t1;
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--enable_warnings
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create table t1 (id int not null, str char(10), unique(str));
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explain select * from t1;
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insert into t1 values (1, null),(2, null),(3, "foo"),(4, "bar");
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select * from t1 where str is null;
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select * from t1 where str="foo";
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explain select * from t1 where str is null;
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explain select * from t1 where str="foo";
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explain select * from t1 ignore key (str) where str="foo";
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explain select * from t1 use key (str,str) where str="foo";
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#The following should give errors
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--error 1176
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explain select * from t1 use key (str,str,foo) where str="foo";
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--error 1176
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explain select * from t1 ignore key (str,str,foo) where str="foo";
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drop table t1;
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explain select 1;
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create table t1 (a int not null);
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explain select count(*) from t1;
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insert into t1 values(1);
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explain select count(*) from t1;
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insert into t1 values(1);
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explain select count(*) from t1;
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drop table t1;
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#
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# Bug #3403 Wrong encoding in EXPLAIN SELECT output
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#
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set names koi8r;
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create table ÔÁÂ (ËÏÌ0 int, ËÏÌ1 int, key ÉÎÄ0 (ËÏÌ0), key ÉÎÄ01 (ËÏÌ0,ËÏÌ1));
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insert into ÔÁÂ (ËÏÌ0) values (1);
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insert into ÔÁÂ (ËÏÌ0) values (2);
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explain select ËÏÌ0 from ÔÁÂ where ËÏÌ0=1;
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drop table ÔÁÂ;
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set names latin1;
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# End of 4.1 tests
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#
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# Bug#15463: EXPLAIN SELECT..INTO hangs the client (QB, command line)
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#
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select 3 into @v1;
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explain select 3 into @v1;
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#
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# Bug#22331: Wrong WHERE in EXPLAIN EXTENDED when all expressions were
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# optimized away.
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#
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create table t1(f1 int, f2 int);
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insert into t1 values (1,1);
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create view v1 as select * from t1 where f1=1;
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explain extended select * from v1 where f2=1;
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explain extended select * from t1 where 0;
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explain extended select * from t1 where 1;
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explain extended select * from t1 having 0;
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explain extended select * from t1 having 1;
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drop view v1;
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drop table t1;
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# End of 5.0 tests.
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