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79 lines
1.9 KiB
Text
79 lines
1.9 KiB
Text
#
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# SHOW EXPLAIN tests for non-select subqueries
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#
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--source include/have_debug.inc
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--source include/have_debug_sync.inc
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--source include/have_innodb.inc
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--source include/not_embedded.inc
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--disable_warnings
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drop table if exists t0, t1;
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--enable_warnings
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SET @old_debug= @@session.debug;
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set debug_sync='RESET';
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#
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# Setup two threads and their ids
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#
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let $thr1=`select connection_id()`;
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connect (con2, localhost, root,,);
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connection con2;
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let $thr2=`select connection_id()`;
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connection default;
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#
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# Create tables
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#
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create table t0 (a int) engine=myisam;
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insert into t0 values (1),(2),(3),(4),(5),(6),(7),(8);
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create table t1 (a int, b int, filler char(100), key(a), key(b));
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insert into t1
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select A.a+10*B.a + 10*C.a, A.a+10*B.a + 10*C.a, 'filler'
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from t0 A, t0 B, t0 C;
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let $wait_condition= select State='show_explain_trap' from information_schema.processlist where id=$thr2;
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--echo #
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--echo # Test SHOW EXPLAIN for single-table DELETE
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--echo #
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connection con2;
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SET debug_dbug='+d,show_explain_probe_delete_exec_start';
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send delete from t1 where a<10 and b+1>1000;
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connection default;
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--source include/wait_condition.inc
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evalp show explain for $thr2;
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connection con2;
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reap;
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--echo #
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--echo # Test SHOW EXPLAIN for multi-table DELETE
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--echo #
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_do_select';
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send delete t1 from t1, t0 where t0.a=t1.a and t1.b +1 > 1000;
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connection default;
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--source include/wait_condition.inc
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evalp show explain for $thr2;
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connection con2;
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reap;
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--echo #
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--echo # Test SHOW EXPLAIN for single-table UPDATE
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--echo #
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connection con2;
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SET debug_dbug='+d,show_explain_probe_update_exec_start';
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send update t1 set filler='filler-data-2' where a<10 and b+1>1000;
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connection default;
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--source include/wait_condition.inc
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evalp show explain for $thr2;
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connection con2;
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reap;
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drop table t0,t1;
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SET debug_dbug=@old_debug;
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set debug_sync='RESET';
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