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MDEV-27021 Add support of FORMAT=JSON for SHOW ANALYZE
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parent
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6 changed files with 1634 additions and 23 deletions
1229
mysql-test/main/show_analyze_json.result
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1229
mysql-test/main/show_analyze_json.result
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File diff suppressed because it is too large
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368
mysql-test/main/show_analyze_json.test
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368
mysql-test/main/show_analyze_json.test
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@ -0,0 +1,368 @@
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#
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# Tests for SHOW ANALYZE FORMAT=JSON FOR functionality
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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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# Using valgrind can cause 'reap' to fail. See comment below
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--source include/not_valgrind.inc
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--disable_warnings
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drop table if exists t0, t1, t2, t3, t4;
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drop view if exists v1;
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--enable_warnings
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SET @old_debug= @@session.debug;
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#
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# Testcases in this file do not work with embedded server. The reason for this
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# is that we use the following commands for synchronization:
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#
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# set @show_explain_probe_select_id=1;
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# SET debug_dbug='d,show_explain_probe_join_exec_start';
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# send select count(*) from t1 where a < 100000;
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#
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# When ran with mysqltest_embedded, this translates into:
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#
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# Thread1> DBUG_PUSH("d,show_explain_probe_join_exec_start");
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# Thread1> create another thread for doing "send ... reap"
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# Thread2> mysql_parse("select count(*) from t1 where a < 100000");
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#
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# That is, "select count(*) ..." is ran in a thread for which DBUG_PUSH(...)
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# has not been called. As a result, show_explain_probe_join_exec_start does not fire, and
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# "select count(*) ..." does not wait till its SHOW ANALYZE command, and the
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# test fails.
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#
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-- source include/not_embedded.inc
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set debug_sync='RESET';
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create table t0 (a int);
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insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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create table t1 (a int);
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alter table t1 add b int, add c int, add filler char(32);
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insert into t1 select A.a, 10*B.a, 100*C.a, 'foo filler' from t0 A, t0 B, t0 C;
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alter table t1 add key(a), add key(b);
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analyze table t1;
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#
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# Try to call SHOW ANALYZE with a missing thread ID
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#
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--error ER_PARSE_ERROR
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show analyze format=JSON for;
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#
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# Try SHOW ANALYZE for a non-existent thread
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#
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--error ER_NO_SUCH_THREAD
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show analyze format=json for 1001;
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--error ER_SET_CONSTANTS_ONLY
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show analyze format=JSON for (select a from t0 limit 1);
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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 (con1, localhost, root,,);
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connection con1;
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let $thr2=`select connection_id()`;
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SET @old_debug= @@session.debug;
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connection default;
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# SHOW ANALYZE FOR <idle thread>
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--error ER_TARGET_NOT_EXPLAINABLE
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evalp show analyze format = JSON for $thr2;
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# SHOW ANALYZE FOR <ourselves>
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--error ER_TARGET_NOT_EXPLAINABLE
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evalp show analyze format = json for $thr1;
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# Not supported format of output
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--error ER_UNKNOWN_EXPLAIN_FORMAT
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evalp show analyze FORMAT=HTML for $thr1;
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--error ER_UNKNOWN_EXPLAIN_FORMAT
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evalp analyze FORMAT=XML for connection $thr1;
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let $wait_condition= select State='show_explain_trap' from information_schema.processlist where id=$thr2;
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#
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# Test SHOW ANALYZE for simple queries
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#
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connection con1;
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select count(*) from t1 where c < 500;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=JSON for $thr2;
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connection con1;
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reap;
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send select max(c) from t1 where c < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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--echo # We can catch ANALYZE too.
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send analyze select max(c) from t1 where a < 10;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # UNION, select, first branch
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT= json for $thr2;
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connection con1;
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reap;
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--echo # UNION, select, second branch
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set @show_explain_probe_select_id=2; # <--- Second branch
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select max(a) from t0 A where a<=5 union select max(a+1) from t0 B where a>=9;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=JSON for $thr2;
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connection con1;
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reap;
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--echo # UNION, analyze, first branch
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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--echo # UNION, analyze, second branch
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set @show_explain_probe_select_id=2;
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send analyze select a from t0 A where a<=5 union select a+1 from t0 B where a>=9;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT=JSON for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # Uncorrelated subquery, select
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select a, (select max(a) from t0 B where a>6) from t0 A where a<2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # Uncorrelated subquery, analyze
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send analyze select a, (select max(a) from t0 B where a>6) from t0 A where a<2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # correlated subquery, select, before execution start
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # correlated subquery, select, after execution
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # correlated subquery, analyze
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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send analyze select a, (select max(a) from t0 b where b.a+a.a<10) from t0 a where a<2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo # Try to do SHOW ANALYZE for a query that runs a SET command:
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--echo #
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set @show_explain_probe_select_id=2; # <---
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send set @foo= (select max(a) from t0 where sin(a) >0);
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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--error ER_TARGET_NOT_EXPLAINABLE
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evalp show analyze format=json for $thr2;
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evalp kill query $thr2;
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connection con1;
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--error ER_QUERY_INTERRUPTED
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reap;
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SET debug_dbug=@old_debug;
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--echo #
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--echo # Attempt SHOW ANALYZE for an UPDATE
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--echo #
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create table t2 as select a as a, a as dummy from t0 limit 2;
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set @show_explain_probe_select_id=2;
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send update t2 set dummy=0 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT=JSON for $thr2;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT=JSON for $thr2;
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connection con1;
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reap;
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drop table t2;
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SET debug_dbug=@old_debug;
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--echo #
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--echo # Attempt SHOW ANALYZE for a DELETE
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--echo #
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create table t2 as select a as a, a as dummy from t0 limit 2;
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set @show_explain_probe_select_id=2;
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send delete from t2 where (select max(a) from t0 where t2.a + t0.a <3) >3 ;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT=JSON for $thr2;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze FORMAT=JSON for $thr2;
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connection con1;
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reap;
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drop table t2;
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SET debug_dbug=@old_debug;
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--echo #
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--echo # Multiple SHOW ANALYZE calls for one select
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--echo #
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create table t2 as select a as a, a as dummy from t0 limit 3;
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set @show_explain_probe_select_id=2;
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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send select t2.a, ((select max(a) from t0 where t2.a + t0.a <3) >3) as SUBQ from t2;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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drop table t2;
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--echo #
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--echo # SHOW ANALYZE for SELECT ... ORDER BY with "Using filesort"
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--echo #
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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set @show_explain_probe_select_id=1;
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send select * from t0 order by a;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=JSON for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo #
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--echo # SHOW ANALYZE for SELECT ... with "Using temporary"
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--echo #
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connection con1;
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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set @show_explain_probe_select_id=1;
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send select distinct a from t0;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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--echo #
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--echo # SHOW ANALYZE for SELECT ... with "Using temporary; Using filesort"
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--echo #
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SET debug_dbug='+d,show_explain_probe_join_exec_end';
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set @show_explain_probe_select_id=1;
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send select distinct a from t0;
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connection default;
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--source include/wait_condition.inc
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--source include/analyze-format.inc
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evalp show analyze format=json for $thr2;
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connection con1;
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reap;
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SET debug_dbug=@old_debug;
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drop table t0,t1;
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--echo # End
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connection default;
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disconnect con1;
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set debug_sync='RESET';
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@ -26,17 +26,17 @@ connection con1;
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SET @old_debug= @@session.debug;
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connection default;
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show explain format=JSON for $thr2;
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ERROR HY000: Target is not running an EXPLAINable command
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ERROR HY000: Target is not executing an operation with a query plan
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explain format=json for connection $thr2;
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ERROR HY000: Target is not running an EXPLAINable command
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ERROR HY000: Target is not executing an operation with a query plan
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show explain format=json for $thr1;
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ERROR HY000: Target is not running an EXPLAINable command
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ERROR HY000: Target is not executing an operation with a query plan
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explain FORMAT=JSON for connection $thr1;
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ERROR HY000: Target is not running an EXPLAINable command
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ERROR HY000: Target is not executing an operation with a query plan
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show explain FORMAT=HTML for $thr1;
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ERROR HY000: Unknown EXPLAIN format name: 'HTML'
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ERROR HY000: Unknown EXPLAIN/ANALYZE format name: 'HTML'
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explain FORMAT=XML for connection $thr1;
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ERROR HY000: Unknown EXPLAIN format name: 'XML'
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ERROR HY000: Unknown EXPLAIN/ANALYZE format name: 'XML'
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connection con1;
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set @show_explain_probe_select_id=1;
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SET debug_dbug='+d,show_explain_probe_join_exec_start';
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@ -523,7 +523,7 @@ SET debug_dbug='+d,show_explain_probe_join_exec_start';
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set @foo= (select max(a) from t0 where sin(a) >0);
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connection default;
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show explain format=JSON for $thr2;
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ERROR HY000: Target is not running an EXPLAINable command
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ERROR HY000: Target is not executing an operation with a query plan
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kill query $thr2;
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connection con1;
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ERROR 70100: Query execution was interrupted
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@ -1025,7 +1025,8 @@ enum enum_schema_tables
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SCH_EVENTS,
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SCH_EXPLAIN_TABULAR,
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SCH_EXPLAIN_JSON,
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SCH_ANALYZE,
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SCH_ANALYZE_TABULAR,
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SCH_ANALYZE_JSON,
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SCH_FILES,
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SCH_GLOBAL_STATUS,
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SCH_GLOBAL_VARIABLES,
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@ -3242,13 +3242,14 @@ int fill_show_explain_tabular(THD *thd, TABLE_LIST *table, COND *cond)
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int fill_show_explain_json(THD *thd, TABLE_LIST *table, COND *cond)
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{
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return fill_show_explain_or_analyze(
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thd, table, cond, TRUE /* json_format */, TRUE /* is_analyze */);
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thd, table, cond, TRUE /* json_format */, FALSE /* is_analyze */);
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}
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int fill_show_analyze_tabular(THD * thd, TABLE_LIST * table, COND * cond)
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{
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return fill_show_explain_or_analyze(
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thd, table, cond, FALSE /* json_format */, TRUE /* is_analyze */);
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thd, table, cond, FALSE /* json_format */, TRUE /* is_analyze */);
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}
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@ -9676,7 +9677,7 @@ ST_FIELD_INFO show_explain_json_fields_info[]=
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};
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||||
ST_FIELD_INFO show_analyze_fields_info[]=
|
||||
ST_FIELD_INFO show_analyze_tabular_fields_info[]=
|
||||
{
|
||||
Column("id", SLonglong(3), NULLABLE, "id"),
|
||||
Column("select_type", Varchar(19), NOT_NULL, "select_type"),
|
||||
|
@ -9699,6 +9700,11 @@ ST_FIELD_INFO show_analyze_fields_info[]=
|
|||
};
|
||||
|
||||
|
||||
ST_FIELD_INFO show_analyze_json_fields_info[]= {
|
||||
Column("EXPLAIN", Longtext(MAX_FIELD_VARCHARLENGTH), NOT_NULL, "ANALYZE"),
|
||||
CEnd()};
|
||||
|
||||
|
||||
ST_FIELD_INFO check_constraints_fields_info[]=
|
||||
{
|
||||
Column("CONSTRAINT_CATALOG", Catalog(), NOT_NULL, OPEN_FULL_TABLE),
|
||||
|
@ -9759,12 +9765,18 @@ ST_SCHEMA_TABLE schema_tables[]=
|
|||
{"EVENTS", Show::events_fields_info, 0,
|
||||
0, make_old_format, 0, -1, -1, 0, 0},
|
||||
#endif
|
||||
{"EXPLAIN", Show::show_explain_tabular_fields_info, 0, fill_show_explain_tabular,
|
||||
make_old_format, 0, -1, -1, TRUE /*hidden*/ , 0},
|
||||
{"EXPLAIN_JSON", Show::show_explain_json_fields_info, 0, fill_show_explain_json,
|
||||
make_old_format, 0, -1, -1, TRUE /*hidden*/, 0},
|
||||
{"ANALYZE", Show::show_analyze_fields_info, 0, fill_show_analyze_tabular,
|
||||
make_old_format, 0, -1, -1, TRUE /*hidden*/, 0},
|
||||
{"EXPLAIN", Show::show_explain_tabular_fields_info, 0,
|
||||
fill_show_explain_tabular, make_old_format, 0, -1, -1,
|
||||
TRUE /*hidden*/ , 0},
|
||||
{"EXPLAIN_JSON", Show::show_explain_json_fields_info, 0,
|
||||
fill_show_explain_json, make_old_format, 0, -1, -1,
|
||||
TRUE /*hidden*/ , 0},
|
||||
{"ANALYZE", Show::show_analyze_tabular_fields_info, 0,
|
||||
fill_show_analyze_tabular, make_old_format, 0, -1, -1,
|
||||
TRUE /*hidden*/, 0},
|
||||
{"ANALYZE_JSON", Show::show_analyze_json_fields_info, 0,
|
||||
fill_show_analyze_json, make_old_format, 0, -1, -1,
|
||||
TRUE /*hidden*/, 0},
|
||||
{"FILES", Show::files_fields_info, 0,
|
||||
hton_fill_schema_table, 0, 0, -1, -1, 0, 0},
|
||||
{"GLOBAL_STATUS", Show::variables_fields_info, 0,
|
||||
|
|
|
@ -13944,16 +13944,17 @@ show_param:
|
|||
{
|
||||
Lex->sql_command= SQLCOM_SHOW_EXPLAIN;
|
||||
if (unlikely(prepare_schema_table(thd, Lex, 0,
|
||||
Lex->explain_json ? SCH_EXPLAIN_JSON : SCH_EXPLAIN_TABULAR)))
|
||||
Lex->explain_json ? SCH_EXPLAIN_JSON : SCH_EXPLAIN_TABULAR)))
|
||||
MYSQL_YYABORT;
|
||||
add_value_to_list(thd, $4);
|
||||
}
|
||||
| ANALYZE_SYM FOR_SYM expr
|
||||
| ANALYZE_SYM opt_format_json FOR_SYM expr
|
||||
{
|
||||
Lex->sql_command= SQLCOM_SHOW_ANALYZE;
|
||||
if (unlikely(prepare_schema_table(thd, Lex, 0, SCH_ANALYZE)))
|
||||
if (unlikely(prepare_schema_table(thd, Lex, 0,
|
||||
Lex->explain_json ? SCH_ANALYZE_JSON : SCH_ANALYZE_TABULAR)))
|
||||
MYSQL_YYABORT;
|
||||
add_value_to_list(thd, $3);
|
||||
add_value_to_list(thd, $4);
|
||||
}
|
||||
| IDENT_sys remember_tok_start wild_and_where
|
||||
{
|
||||
|
@ -14107,8 +14108,8 @@ opt_format_json:
|
|||
else if (lex_string_eq(&$3, STRING_WITH_LEN("TRADITIONAL")))
|
||||
DBUG_ASSERT(Lex->explain_json==false);
|
||||
else
|
||||
my_yyabort_error((ER_UNKNOWN_EXPLAIN_FORMAT, MYF(0), "EXPLAIN",
|
||||
$3.str));
|
||||
my_yyabort_error((ER_UNKNOWN_EXPLAIN_FORMAT, MYF(0),
|
||||
"EXPLAIN/ANALYZE", $3.str));
|
||||
}
|
||||
;
|
||||
|
||||
|
|
Loading…
Add table
Reference in a new issue