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Current File : //home/usr.opt/mysql57/mysql-test/r/explain_for_connection_rqg_json.result |
"WL6369 Explain for Connection" "WL6369 Explain for Connection" QUERY: SELECT DISTINCT alias2.col_int AS field1 , alias2.col_int AS field2 FROM a1 AS alias1 LEFT JOIN aa1 AS alias2 ON alias1.pk = alias2.pk WHERE ( alias1.col_int = 8 OR alias1 .pk <= alias1.col_int ) GROUP BY field1, field2 ORDER BY field1, field2 DESC STATUS: EQUAL QUERY: SELECT DISTINCT alias1.pk AS field1 FROM f1 AS alias1 LEFT JOIN a2 AS alias2 ON alias1.col_varchar_1024_latin1_key = alias2 .col_varchar_10_utf8_key WHERE alias1.pk IN (5, 5) GROUP BY field1 HAVING field1 <= 3 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -47,3 +47,4 @@ "filtered": "100.00", - "index_condition": "(`test`.`alias1`.`pk` in (5,5))", + "index_condition": true, + "using_where": true, "cost_info": { @@ -57,4 +58,3 @@ "pk" - ], - "attached_condition": "(`field1` <= 3)" + ] } QUERY: SELECT alias1.pk AS field1 FROM h2 AS alias1 LEFT JOIN aa3 AS alias2 ON alias1.pk = alias2.col_int_key WHERE alias1.pk <> 9 GROUP BY field1 ORDER BY field1 LIMIT 1 OFFSET 3 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -27,2 +27,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -36,4 +37,3 @@ "pk" - ], - "attached_condition": "(`test`.`alias1`.`pk` <> 9)" + ] } QUERY: SELECT alias1.pk AS field1 FROM e1 AS alias1 RIGHT JOIN cc2 AS alias2 ON alias1.col_int = alias2.col_int WHERE alias1.col_int_key IN (8) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -44,4 +44,5 @@ "rows_examined_per_scan": 2, - "rows_produced_per_join": 1, - "filtered": "50.00", + "rows_produced_per_join": 2, + "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -49,5 +50,5 @@ "read_cost": "1.00", - "eval_cost": "0.20", + "eval_cost": "0.40", "prefix_cost": "2.60", - "data_read_per_join": "8" + "data_read_per_join": "16" }, @@ -55,4 +56,3 @@ "col_int" - ], - "attached_condition": "(`test`.`alias2`.`col_int` = `test`.`alias1`.`col_int`)" + ] } QUERY: SELECT DISTINCT alias2.pk AS field1, alias2.pk AS field2, alias2.pk AS field3 FROM t1 AS alias1 RIGHT JOIN t2 AS alias2 ON alias1.col_varchar_key = alias2.col_varchar_key WHERE alias1.col_int >alias1.col_int HAVING field3 = 7 ORDER BY field1, field2, field3 LIMIT 10 OFFSET 1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -27,2 +27,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -37,4 +38,3 @@ "col_varchar_key" - ], - "attached_condition": "((`test`.`alias1`.`col_int` > `test`.`alias1`.`col_int`) and (`test`.`alias1`.`col_varchar_key` is not null))" + ] } QUERY: SELECT DISTINCT alias2.col_time_key AS field1 , alias2.col_varchar_key AS field2 , alias2.col_varchar_key AS field3 , alias2.col_int_nokey AS field4 FROM ( c AS alias1 , ( view_a AS alias2 , c AS alias3 ) ) GROUP BY field1, field2, field3, field4 HAVING (field1 < 'w' OR field1 != 'ni') ORDER BY field3 STATUS: EQUAL QUERY: SELECT alias1.col_int_key AS field1 , alias1.col_int_key AS field2 FROM ( ( SELECT sq1_alias1.* FROM c AS sq1_alias1 ) AS alias1 RIGHT OUTER JOIN ( SELECT sq2_alias1.* FROM ( bb AS sq2_alias1 STRAIGHT_JOIN c AS sq2_alias2 ON (sq2_alias2.pk = sq2_alias1.pk ) ) ) AS alias2 ON (alias2.pk = alias1.col_int_key ) ) WHERE NOT EXISTS ( (SELECT sq3_alias1.pk AS sq3_field1 FROM ( bb AS sq3_alias1 LEFT OUTER JOIN ( cc AS sq3_alias2 STRAIGHT_JOIN bb AS sq3_alias3 ON (sq3_alias3.pk = sq3_alias2.pk ) ) ON (sq3_alias3.col_int_key = sq3_alias2.col_int_key AND sq3_alias1.col_int_key > (SELECT COUNT( DISTINCT c_sq1_alias1.col_int_nokey ) AS c_sq1_field1 FROM d AS c_sq1_alias1 WHERE c_sq1_alias1.col_int_nokey != c_sq1_alias1.pk ) ) ) ) ) GROUP BY field1, field2 ORDER BY alias1.col_date_key DESC , field1, field2 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -56,2 +56,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -67,3 +68,2 @@ ], - "attached_condition": "<if>(is_not_null_compl(sq3_alias2..sq3_alias3), (`test`.`sq3_alias1`.`col_int_key` > (/* select#5 */ select count(distinct `test`.`c_sq1_alias1`.`col_int_nokey`) AS `c_sq1_field1` from `test`.`d` `c_sq1_alias1` where (`test`.`c_sq1_alias1`.`col_int_nokey` <> `test`.`c_sq1_alias1`.`pk`))), true)", "attached_subqueries": [ @@ -83,2 +83,3 @@ "filtered": "90.00", + "using_where": true, "cost_info": { @@ -92,4 +93,3 @@ "col_int_nokey" - ], - "attached_condition": "(`test`.`c_sq1_alias1`.`col_int_nokey` <> `test`.`c_sq1_alias1`.`pk`)" + ] } @@ -119,2 +119,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -128,4 +129,3 @@ "col_int_key" - ], - "attached_condition": "<if>(is_not_null_compl(sq3_alias2..sq3_alias3), (`test`.`sq3_alias3`.`col_int_key` = `test`.`sq3_alias2`.`col_int_key`), true)" + ] } QUERY: SELECT DISTINCT SQL_SMALL_RESULT table2.col_date_key AS field1 FROM ( cc AS table1 INNER JOIN ( ( c AS table2 INNER JOIN bb AS table3 ON (table3.col_varchar_key = table2.col_varchar_key ) ) ) ON (table3.col_varchar_key = table2.col_varchar_key ) ) WHERE ( EXISTS ( (SELECT SQL_SMALL_RESULT subquery1_t2.col_varchar_nokey AS subquery1_field1 FROM ( bb AS subquery1_t1 INNER JOIN cc AS subquery1_t2 ON (subquery1_t2.col_varchar_key = subquery1_t1.col_varchar_nokey ) ) ) ) ) OR ( table1.col_varchar_key = 'q' AND table1.col_int_key = table2.col_int_key ) OR ( table2.col_varchar_key IN (SELECT 'a' FROM dummy UNION SELECT 'p' FROM dummy ) OR table1.col_varchar_key IS NULL ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -27,2 +27,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -37,4 +38,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`table3`.`col_varchar_key` is not null)" + ] } @@ -127,2 +127,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -132,4 +133,3 @@ "data_read_per_join": "8" - }, - "attached_condition": "(<cache>(`test`.`table2`.`col_varchar_key`) = 'a')" + } } @@ -151,2 +151,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -156,4 +157,3 @@ "data_read_per_join": "8" - }, - "attached_condition": "(<cache>(`test`.`table2`.`col_varchar_key`) = 'p')" + } } @@ -181,2 +181,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -189,4 +190,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`subquery1_t1`.`col_varchar_nokey` is not null)" + ] } QUERY: SELECT table2.col_time_key AS field1 FROM ( ( SELECT subquery1_t1.* FROM ( c AS subquery1_t1 STRAIGHT_JOIN c AS subquery1_t2 ON (subquery1_t2.col_int_key = subquery1_t1.col_int_key ) ) WHERE subquery1_t1.pk <= 7 ) AS table1 LEFT OUTER JOIN ( ( ( SELECT subquery2_t1.* FROM b AS subquery2_t1 WHERE subquery2_t1.col_varchar_nokey <= 'l' ) AS table2 LEFT OUTER JOIN c AS table3 ON (table3.col_varchar_key = table2.col_varchar_key ) ) ) ON (table3.pk = table2.pk ) ) WHERE ( EXISTS ( (SELECT subquery3_t1.col_varchar_nokey AS subquery3_field1 FROM ( bb AS subquery3_t1 LEFT JOIN c AS subquery3_t2 ON (subquery3_t2.col_varchar_key = subquery3_t1.col_varchar_key ) ) ) ) ) OR table1.col_int_key = 62 AND ( table1.col_int_key = table1.pk AND table2.col_varchar_nokey = table1.col_varchar_nokey ) ORDER BY table1.col_varchar_key DESC /*+JavaDB:Postgres: NULLS LAST */ , CONCAT( table3.col_varchar_key, table1.col_varchar_nokey ) /*+JavaDB:Postgres: NULLS FIRST*/ , table1.col_date_key /*+JavaDB:Postgres: NULLS FIRST*/ , table3 .pk DESC /*+JavaDB:Postgres: NULLS LAST */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -27,2 +27,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -39,4 +40,3 @@ "col_varchar_nokey" - ], - "attached_condition": "((`test`.`subquery1_t1`.`pk` <= 7) and (`test`.`subquery1_t1`.`col_int_key` is not null))" + ] } @@ -85,2 +85,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -96,4 +97,3 @@ "col_varchar_nokey" - ], - "attached_condition": "<if>(is_not_null_compl(subquery2_t1..table3), (`test`.`subquery2_t1`.`col_varchar_nokey` <= 'l'), true)" + ] } @@ -119,2 +119,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -128,4 +129,3 @@ "col_varchar_key" - ], - "attached_condition": "<if>(is_not_null_compl(subquery2_t1..table3), (`test`.`table3`.`col_varchar_key` = `test`.`subquery2_t1`.`col_varchar_key`), true)" + ] } QUERY: SELECT alias1.col_datetime_key AS field1 FROM ( view_cc AS alias1 , bb AS alias2 , cc AS alias3 ) WHERE alias2.pk < ALL (SELECT sq1_alias2.pk AS sq1_field1 FROM ( c AS sq1_alias1 , cc AS sq1_alias2 ) WHERE sq1_alias1.col_varchar_nokey != (SELECT COUNT( c_sq1_alias1.col_varchar_key ) AS c_sq1_field1 FROM ( cc AS c_sq1_alias1 RIGHT OUTER JOIN ( ( cc AS c_sq1_alias2 INNER JOIN b AS c_sq1_alias3 ON (c_sq1_alias3.col_varchar_nokey = c_sq1_alias2.col_varchar_key ) ) ) ON (c_sq1_alias3.pk = c_sq1_alias2.pk ) ) WHERE c_sq1_alias1.col_varchar_key < 'm' ) ) GROUP BY field1 HAVING ((field1 <= 'USA' OR field1 < 2) AND field1 <> 'd') ORDER BY alias1.col_time_key DESC , field1 LIMIT 10 OFFSET 208 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -25,2 +25,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -35,3 +36,2 @@ ], - "attached_condition": "<not>((`test`.`alias2`.`pk` >= (/* select#2 */ select min(`test`.`sq1_alias2`.`pk`) from `test`.`c` `sq1_alias1` join `test`.`cc` `sq1_alias2` where (`test`.`sq1_alias1`.`col_varchar_nokey` <> (/* select#3 */ select count(`test`.`c_sq1_alias1`.`col_varchar_key`) AS `c_sq1_field1` from `test`.`cc` `c_sq1_alias2` join `test`.`b` `c_sq1_alias3` join `test`.`cc` `c_sq1_alias1` where ((`test`.`c_sq1_alias2`.`col_varchar_key` = `test`.`c_sq1_alias3`.`col_varchar_nokey`) and (`test`.`c_sq1_alias2`.`pk` = `test`.`c_sq1_alias3`.`pk`) and (`test`.`c_sq1_alias1`.`col_varchar_key` < 'm')))))))", "attached_subqueries": [ @@ -53,2 +53,3 @@ "filtered": "90.00", + "using_where": true, "cost_info": { @@ -62,3 +63,2 @@ ], - "attached_condition": "(`test`.`sq1_alias1`.`col_varchar_nokey` <> (/* select#3 */ select count(`test`.`c_sq1_alias1`.`col_varchar_key`) AS `c_sq1_field1` from `test`.`cc` `c_sq1_alias2` join `test`.`b` `c_sq1_alias3` join `test`.`cc` `c_sq1_alias1` where ((`test`.`c_sq1_alias2`.`col_varchar_key` = `test`.`c_sq1_alias3`.`col_varchar_nokey`) and (`test`.`c_sq1_alias2`.`pk` = `test`.`c_sq1_alias3`.`pk`) and (`test`.`c_sq1_alias1`.`col_varchar_key` < 'm'))))", "attached_subqueries": [ @@ -114,2 +114,3 @@ "filtered": "6.67", + "using_where": true, "cost_info": { @@ -123,4 +124,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`c_sq1_alias2`.`col_varchar_key` = `test`.`c_sq1_alias3`.`col_varchar_nokey`)" + ] } @@ -142,2 +142,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -152,4 +153,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`c_sq1_alias1`.`col_varchar_key` < 'm')" + ] } QUERY: SELECT DISTINCT SUM( DISTINCT alias1.col_int_nokey ) AS field1 , MAX( DISTINCT alias2.col_varchar_key ) AS field2 FROM ( c AS alias1 , c AS alias2 , cc AS alias3 ) WHERE alias2.col_int_key > (SELECT COUNT( sq1_alias1.col_int_key ) AS sq1_field1 FROM ( cc AS sq1_alias1 INNER JOIN view_c AS sq1_alias2 ON (sq1_alias2.col_varchar_key = sq1_alias1.col_varchar_nokey ) ) WHERE sq1_alias2.col_varchar_nokey < sq1_alias1.col_varchar_key ) HAVING (field1 > 'zc' AND field2 >= 'q') ORDER BY alias1.col_time_key ASC , field1, field2 LIMIT 2 /* */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -24,2 +24,3 @@ "filtered": "90.00", + "using_where": true, "using_index": true, @@ -35,3 +36,2 @@ ], - "attached_condition": "(`test`.`alias2`.`col_int_key` > (/* select#2 */ select count(`test`.`sq1_alias1`.`col_int_key`) AS `sq1_field1` from `test`.`cc` `sq1_alias1` join `test`.`c` where ((`test`.`c`.`col_varchar_key` = `test`.`sq1_alias1`.`col_varchar_nokey`) and (`test`.`c`.`col_varchar_nokey` < `test`.`sq1_alias1`.`col_varchar_key`))))", "attached_subqueries": [ @@ -56,2 +56,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -66,4 +67,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`sq1_alias1`.`col_varchar_nokey` is not null)" + ] } @@ -88,2 +88,3 @@ "filtered": "33.33", + "using_where": true, "cost_info": { @@ -97,4 +98,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`c`.`col_varchar_nokey` < `test`.`sq1_alias1`.`col_varchar_key`)" + ] } QUERY: SELECT alias2.col_datetime_key AS field1 , alias1.col_varchar_key AS field2 , alias1.col_varchar_nokey AS field3 , alias2.col_varchar_key AS field4 , alias2.pk AS field5 , alias2.col_date_key AS field6 , alias1.col_date_key AS field7 , alias1.col_int_key AS field8 FROM ( cc AS alias1 LEFT JOIN ( ( ( SELECT sq1_alias1.* FROM c AS sq1_alias1 ) AS alias2 INNER JOIN ( SELECT sq2_alias1.* FROM ( b AS sq2_alias1 , view_aa AS sq2_alias2 ) ) AS alias3 ON (alias3.col_varchar_nokey = alias2.col_varchar_key ) ) ) ON (alias3.col_int_key = alias2.col_int_key ) ) WHERE ( EXISTS ( (SELECT sq3_alias1.col_varchar_nokey AS sq3_field1 FROM ( c AS sq3_alias1 , bb AS sq3_alias2 ) ) ) ) OR ( alias1.col_int_key NOT IN (55, 229) OR alias1.col_int_key > 28 AND alias1.col_int_key < ( 28 + 73 ) ) AND alias1.col_int_key != alias2.pk HAVING field8 = 'v' ORDER BY field3 , field1, field2, field3, field4, field5, field6, field7, field8 STATUS: EQUAL QUERY: SELECT alias1.col_datetime_key AS field1 , alias2.col_date_key AS field2 FROM ( c AS alias1 LEFT OUTER JOIN ( ( ( SELECT DISTINCT sq1_alias1.* FROM bb AS sq1_alias1 ) AS alias2 INNER JOIN c AS alias3 ON (alias3.col_int_key = alias2.col_int_key ) ) ) ON (alias3.pk = alias2.col_int_key ) ) WHERE ( EXISTS ( (SELECT 9 FROM DUAL ) ) ) OR alias1.col_varchar_key LIKE CONCAT( 'b' , '%') GROUP BY field1, field2 HAVING field2 != 6 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -118,2 +118,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -127,4 +128,3 @@ "col_int_key" - ], - "attached_condition": "<if>(is_not_null_compl(alias2..alias3), (`test`.`alias3`.`col_int_key` = `alias2`.`col_int_key`), true)" + ] } QUERY: SELECT STRAIGHT_JOIN table1.pk AS field1 , table2.col_int_key AS field2 , table1.col_int_nokey AS field3 , table2.col_varchar_key AS field4 FROM ( ( SELECT subquery1_t1.* FROM cc AS subquery1_t1 WHERE ( subquery1_t1.col_int_nokey = subquery1_t1.col_int_nokey AND EXISTS ( (SELECT child_subquery1_t2.pk AS child_subquery1_field1 FROM ( c AS child_subquery1_t1 RIGHT JOIN c AS child_subquery1_t2 ON (child_subquery1_t2.col_int_key = child_subquery1_t1.col_int_key ) ) WHERE child_subquery1_t2.col_int_key != 7 ) ) ) ) AS table1 INNER JOIN cc AS table2 ON (table2.col_varchar_nokey = table1.col_varchar_key ) ) WHERE ( table1.col_varchar_nokey >= ALL (SELECT SQL_SMALL_RESULT subquery2_t1.col_varchar_key AS subquery2_field1 FROM ( c AS subquery2_t1 INNER JOIN cc AS subquery2_t2 ON (subquery2_t2.pk = subquery2_t1.col_int_nokey ) ) ) ) OR table1.pk = 98 AND table2.col_varchar_key != 'q' ORDER BY CONCAT( table1.col_varchar_nokey, table1.col_varchar_nokey ) /*+JavaDB:Postgres: NULLS FIRST*/ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -5,3 +5,3 @@ "cost_info": { - "query_cost": "14.20" + "query_cost": "38.80" }, @@ -22,2 +22,3 @@ "filtered": "6.83", + "using_where": true, "cost_info": { @@ -34,3 +35,2 @@ ], - "attached_condition": "((<not>((`test`.`subquery1_t1`.`col_varchar_nokey` < <max>(/* select#4 */ select sql_small_result `test`.`subquery2_t1`.`col_varchar_key` AS `subquery2_field1` from `test`.`c` `subquery2_t1` join `test`.`cc` `subquery2_t2` where (`test`.`subquery2_t2`.`pk` = `test`.`subquery2_t1`.`col_int_nokey`)))) or (`test`.`subquery1_t1`.`pk` = 98)) and (`test`.`subquery1_t1`.`col_int_nokey` = `test`.`subquery1_t1`.`col_int_nokey`))", "attached_subqueries": [ @@ -52,2 +52,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -61,4 +62,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery2_t1`.`col_int_nokey` is not null)" + ] } @@ -109,4 +109,5 @@ "rows_examined_per_scan": 20, - "rows_produced_per_join": 2, - "filtered": "10.00", + "rows_produced_per_join": 27, + "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -114,5 +115,5 @@ "read_cost": "1.00", - "eval_cost": "0.55", + "eval_cost": "5.47", "prefix_cost": "11.47", - "data_read_per_join": "131" + "data_read_per_join": "1K" }, @@ -124,3 +125,2 @@ ], - "attached_condition": "((`test`.`table2`.`col_varchar_nokey` = `test`.`subquery1_t1`.`col_varchar_key`) and (<not>((`test`.`subquery1_t1`.`col_varchar_nokey` < <max>(/* select#4 */ select sql_small_result `test`.`subquery2_t1`.`col_varchar_key` AS `subquery2_field1` from `test`.`c` `subquery2_t1` join `test`.`cc` `subquery2_t2` where (`test`.`subquery2_t2`.`pk` = `test`.`subquery2_t1`.`col_int_nokey`)))) or ((`test`.`subquery1_t1`.`pk` = 98) and (`test`.`table2`.`col_varchar_key` <> 'q'))))", "attached_subqueries": [ @@ -142,2 +142,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -151,4 +152,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery2_t1`.`col_int_nokey` is not null)" + ] } @@ -217,2 +217,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -227,4 +228,3 @@ "col_int_key" - ], - "attached_condition": "(`test`.`child_subquery1_t2`.`col_int_key` <> 7)" + ] } QUERY: SELECT alias1.col_int_key AS field1 , alias2.col_datetime_key AS field2 , alias1.col_varchar_nokey AS field3 , alias1.col_int_nokey AS field4 , alias1.col_int_key AS field5 FROM ( b AS alias1 , view_d AS alias2 ) WHERE alias1.col_varchar_nokey >= ANY (SELECT SQL_SMALL_RESULT sq1_alias1.col_varchar_key AS sq1_field1 FROM ( c AS sq1_alias1 INNER JOIN c AS sq1_alias2 ON (sq1_alias2.col_int_key = sq1_alias1.pk ) ) ) GROUP BY field1, field2, field3, field4, field5 ORDER BY alias1.col_date_key ASC , field1, field2, field3, field4, field5 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -20,2 +20,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -33,3 +34,2 @@ ], - "attached_condition": "<nop>((`test`.`alias1`.`col_varchar_nokey` >= (/* select#2 */ select sql_small_result min(`test`.`sq1_alias1`.`col_varchar_key`) from `test`.`c` `sq1_alias1` join `test`.`c` `sq1_alias2` where (`test`.`sq1_alias1`.`pk` = `test`.`sq1_alias2`.`col_int_key`))))", "attached_subqueries": [ @@ -59,2 +59,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -68,4 +69,3 @@ "col_int_key" - ], - "attached_condition": "(`test`.`sq1_alias2`.`col_int_key` is not null)" + ] } QUERY: SELECT CONCAT ( alias1.col_varchar_key , alias1.col_varchar_nokey ) AS field1 FROM ( cc AS alias1 , c AS alias2 , cc AS alias3 ) WHERE ( EXISTS ( (SELECT sq1_alias1.col_varchar_nokey AS sq1_field1 FROM ( c AS sq1_alias1 , cc AS sq1_alias2 ) ) ) ) AND alias1.col_varchar_key <= 'p' AND alias3.col_varchar_key > alias2.col_varchar_nokey GROUP BY field1 /* */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -5,3 +5,3 @@ "cost_info": { - "query_cost": "2397.53" + "query_cost": "5331.01" }, @@ -11,3 +11,3 @@ "cost_info": { - "sort_cost": "1466.52" + "sort_cost": "4400.00" }, @@ -24,2 +24,3 @@ "filtered": "55.00", + "using_where": true, "cost_info": { @@ -34,4 +35,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`alias1`.`col_varchar_key` <= 'p')" + ] } @@ -61,3 +61,3 @@ "table_name": "alias3", - "access_type": "ALL", + "access_type": "range", "possible_keys": [ @@ -65,11 +65,17 @@ ], + "key": "col_varchar_key", + "used_key_parts": [ + "col_varchar_key" + ], + "key_length": "4", "rows_examined_per_scan": 20, - "rows_produced_per_join": 1466, - "filtered": "33.33", + "rows_produced_per_join": 4400, + "filtered": "100.00", "range_checked_for_each_record": "index map: 0x20", + "using_index": true, "cost_info": { "read_cost": "1.01", - "eval_cost": "293.30", + "eval_cost": "880.00", "prefix_cost": "931.01", - "data_read_per_join": "68K" + "data_read_per_join": "206K" }, QUERY: SELECT alias1.col_int_key AS field1 , alias1.col_date_key AS field2 , alias1.col_varchar_key AS field3 FROM ( c AS alias1 , d AS alias2 , cc AS alias3 ) WHERE ( EXISTS ( (SELECT sq1_alias1.col_varchar_key AS sq1_field1 FROM ( d AS sq1_alias1 LEFT JOIN d AS sq1_alias2 ON (sq1_alias2.col_varchar_key = sq1_alias1.col_varchar_key ) ) ) ) ) AND alias1.col_int_key = alias1.col_int_key AND alias1.col_int_key < alias3.col_int_key GROUP BY field1, field2, field3 HAVING field2 >= 'a' STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -24,2 +24,3 @@ "filtered": "10.00", + "using_where": true, "cost_info": { @@ -35,4 +36,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`alias1`.`col_int_key` = `test`.`alias1`.`col_int_key`)" + ] } @@ -42,3 +42,3 @@ "table_name": "alias3", - "access_type": "ALL", + "access_type": "range", "possible_keys": [ @@ -46,6 +46,12 @@ ], + "key": "col_int_key", + "used_key_parts": [ + "col_int_key" + ], + "key_length": "5", "rows_examined_per_scan": 20, "rows_produced_per_join": 13, - "filtered": "33.33", + "filtered": "100.00", "range_checked_for_each_record": "index map: 0x2", + "using_index": true, "cost_info": { QUERY: SELECT alias1.col_datetime_key AS field1 , alias2.col_int_key AS field2 FROM ( c AS alias1 , d AS alias2 , cc AS alias3 ) WHERE ( EXISTS ( (SELECT sq1_alias1.col_int_key AS sq1_field1 FROM bb AS sq1_alias1 WHERE sq1_alias1.pk < 8 ) ) ) OR alias1.col_int_key > alias3.col_int_key ORDER BY alias1.col_int_key ASC , field1, field2 LIMIT 2 /* */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -37,3 +37,3 @@ "table_name": "alias3", - "access_type": "ALL", + "access_type": "range", "possible_keys": [ @@ -41,6 +41,12 @@ ], + "key": "col_int_key", + "used_key_parts": [ + "col_int_key" + ], + "key_length": "5", "rows_examined_per_scan": 20, "rows_produced_per_join": 133, - "filtered": "33.33", + "filtered": "100.00", "range_checked_for_each_record": "index map: 0x2", + "using_index": true, "cost_info": { @@ -107,2 +113,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -117,4 +124,3 @@ "col_int_key" - ], - "attached_condition": "(`test`.`sq1_alias1`.`pk` < 8)" + ] } QUERY: SELECT alias1.col_int_key AS field1 , alias1.col_int_key AS field2 FROM ( ( SELECT sq1_alias1.* FROM d AS sq1_alias1 ) AS alias1 , d AS alias2 ) WHERE ( (SELECT MIN( sq2_alias1.pk ) AS sq2_field1 FROM ( view_c AS sq2_alias1 RIGHT JOIN c AS sq2_alias2 ON (sq2_alias2.col_varchar_nokey = sq2_alias1.col_varchar_key ) ) ) IS NOT NULL ) AND ( alias2.col_varchar_key <= 'z' OR EXISTS ( (SELECT sq3_alias1.col_int_nokey AS sq3_field1 FROM a AS sq3_alias1 ) ) ) GROUP BY field1, field2 HAVING field2 < 4 ORDER BY alias1.col_int_key ASC , field1, field2 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -31,2 +31,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -41,4 +42,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`alias2`.`col_varchar_key` <= 'z')" + ] } QUERY: SELECT STRAIGHT_JOIN alias1.col_int_key AS field1 FROM ( b AS alias1 , ( SELECT sq1_alias1.* FROM ( cc AS sq1_alias1 INNER JOIN ( c AS sq1_alias2 INNER JOIN c AS sq1_alias3 ON (sq1_alias3.pk = sq1_alias2.pk ) ) ON (sq1_alias3.col_varchar_key = sq1_alias2.col_varchar_key ) ) WHERE sq1_alias2.col_int_key >= ANY (SELECT c_sq1_alias1.col_int_key AS c_sq1_field1 FROM c AS c_sq1_alias1 GROUP BY c_sq1_field1 ) ) AS alias2 ) WHERE EXISTS ( (SELECT sq2_alias1.col_varchar_key AS sq2_field1 FROM c AS sq2_alias1 WHERE sq2_alias1.col_varchar_nokey < 'p' GROUP BY sq2_field1 ) ) GROUP BY field1 HAVING field1 <> 'o' ORDER BY field1 , alias1.col_time_key , alias2 .pk DESC, field1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -5,3 +5,3 @@ "cost_info": { - "query_cost": "147.59" + "query_cost": "395.22" }, @@ -79,2 +79,3 @@ "filtered": "66.67", + "using_where": true, "using_index": true, @@ -92,3 +93,2 @@ ], - "attached_condition": "<nop>((`test`.`sq1_alias2`.`col_int_key` >= (/* select#3 */ select min(`test`.`c_sq1_alias1`.`col_int_key`) from `test`.`c` `c_sq1_alias1`)))", "attached_subqueries": [ @@ -122,9 +122,10 @@ "rows_examined_per_scan": 1, - "rows_produced_per_join": 19, - "filtered": "7.14", + "rows_produced_per_join": 266, + "filtered": "100.00", + "using_where": true, "cost_info": { "read_cost": "13.33", - "eval_cost": "3.81", + "eval_cost": "53.34", "prefix_cost": "128.54", - "data_read_per_join": "914" + "data_read_per_join": "12K" }, @@ -133,4 +134,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`sq1_alias3`.`col_varchar_key` = `test`.`sq1_alias2`.`col_varchar_key`)" + ] } @@ -153,2 +153,3 @@ "filtered": "33.33", + "using_where": true, "cost_info": { @@ -162,4 +163,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`sq2_alias1`.`col_varchar_nokey` < 'p')" + ] } QUERY: SELECT CONCAT( table1.col_varchar_nokey , table1.col_varchar_nokey ) AS field1 FROM ( ( SELECT subquery1_t1.* FROM bb AS subquery1_t1 WHERE ( subquery1_t1.col_varchar_key != 'y' OR subquery1_t1.col_varchar_key <= 'd' ) ) AS table1 RIGHT OUTER JOIN ( ( c AS table2 STRAIGHT_JOIN bb AS table3 ON (table3.pk = table2.pk OR table2.col_varchar_key IN (SELECT subquery2_t2.col_varchar_key AS subquery2_field1 FROM ( c AS subquery2_t1 RIGHT OUTER JOIN c AS subquery2_t2 ON (subquery2_t2.col_int_nokey = subquery2_t1.col_int_key ) ) WHERE subquery2_t1.col_int_key >= (SELECT SUM( child_subquery1_t1.col_int_key ) AS child_subquery1_field1 FROM cc AS child_subquery1_t1 WHERE ( child_subquery1_t1.pk > child_subquery1_t1.pk OR child_subquery1_t1.col_int_nokey > 6 ) ) ) ) ) ) ON (table3.col_varchar_nokey = table2.col_varchar_key ) ) WHERE ( EXISTS ( (SELECT subquery3_t1.pk AS subquery3_field1 FROM ( bb AS subquery3_t1 INNER JOIN ( cc AS subquery3_t2 INNER JOIN c AS subquery3_t3 ON (subquery3_t3.col_varchar_key = subquery3_t2.col_varchar_key ) ) ON (subquery3_t3.pk = subquery3_t2.col_int_nokey ) ) ) ) ) AND ( table1.col_varchar_key < 'b' OR table1.col_int_key BETWEEN 253 AND ( 253 + 77 ) ) OR ( table2.col_varchar_nokey != 't' OR table2.col_varchar_nokey = table1.col_varchar_nokey ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -41,2 +41,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -52,3 +53,2 @@ ], - "attached_condition": "((`test`.`table3`.`pk` = `test`.`table2`.`pk`) or <in_optimizer>(`test`.`table2`.`col_varchar_key`,`test`.`table2`.`col_varchar_key` in ( <materialize> (/* select#3 */ select `test`.`subquery2_t2`.`col_varchar_key` AS `subquery2_field1` from `test`.`c` `subquery2_t2` join `test`.`c` `subquery2_t1` where ((`test`.`subquery2_t2`.`col_int_nokey` = `test`.`subquery2_t1`.`col_int_key`) and (`test`.`subquery2_t1`.`col_int_key` >= (/* select#4 */ select sum(`test`.`child_subquery1_t1`.`col_int_key`) AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` where (`test`.`child_subquery1_t1`.`col_int_nokey` > 6)))) ), <primary_index_lookup>(`test`.`table2`.`col_varchar_key` in <temporary table> on <auto_key> where ((`test`.`table2`.`col_varchar_key` = `materialized-subquery`.`subquery2_field1`))))))", "attached_subqueries": [ @@ -86,2 +86,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -96,3 +97,2 @@ ], - "attached_condition": "(`test`.`subquery2_t1`.`col_int_key` >= (/* select#4 */ select sum(`test`.`child_subquery1_t1`.`col_int_key`) AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` where (`test`.`child_subquery1_t1`.`col_int_nokey` > 6)))", "attached_subqueries": [ @@ -112,2 +112,3 @@ "filtered": "33.33", + "using_where": true, "cost_info": { @@ -122,4 +123,3 @@ "col_int_key" - ], - "attached_condition": "(`test`.`child_subquery1_t1`.`col_int_nokey` > 6)" + ] } @@ -140,2 +140,3 @@ "filtered": "10.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -150,4 +151,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery2_t2`.`col_int_nokey` = `test`.`subquery2_t1`.`col_int_key`)" + ] } @@ -172,2 +172,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -183,4 +184,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(<if>(found_match(subquery1_t1), ((`test`.`table2`.`col_varchar_nokey` <> 't') or (`test`.`subquery1_t1`.`col_varchar_nokey` = `test`.`table2`.`col_varchar_nokey`)), true) and <if>(is_not_null_compl(subquery1_t1), ((`test`.`table3`.`col_varchar_nokey` = `test`.`table2`.`col_varchar_key`) and ((`test`.`subquery1_t1`.`col_varchar_key` <> 'y') or (`test`.`subquery1_t1`.`col_varchar_key` <= 'd'))), true))" + ] } @@ -232,2 +232,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -242,4 +243,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery3_t2`.`col_int_nokey` is not null)" + ] } @@ -265,2 +265,3 @@ "filtered": "7.14", + "using_where": true, "cost_info": { @@ -274,4 +275,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery3_t3`.`col_varchar_key` = `test`.`subquery3_t2`.`col_varchar_key`)" + ] } QUERY: SELECT DISTINCT col_int_nokey AS field1 , col_int_nokey AS field2 FROM a AS alias1 WHERE ( ( alias1.pk > 54 AND alias1.pk < ( 54 + 151 ) OR ( alias1.col_int_key IN (240) OR ( alias1.pk > 54 AND alias1.pk < ( 54 + 16 ) OR ( alias1.col_int_key BETWEEN 54 AND ( 54 + 125 ) OR alias1.pk > 54 AND alias1.pk < ( 54 + 147 ) ) ) ) ) OR alias1 .pk >= alias1.pk ) GROUP BY field1, field2 STATUS: EQUAL QUERY: SELECT MAX( alias2.pk ) AS field1 , SUM( DISTINCT alias1.col_varchar_key ) AS field2 , (SELECT MAX( DISTINCT sq1_alias1.col_varchar_nokey ) AS sq1_field1 FROM a AS sq1_alias1 ) AS field3 FROM ( c AS alias1 , ( SELECT sq2_alias2.* FROM ( d AS sq2_alias1 LEFT OUTER JOIN c AS sq2_alias2 ON (sq2_alias2.col_int_key = sq2_alias1.col_int_nokey ) ) WHERE ( sq2_alias1.col_varchar_nokey = 'o' OR sq2_alias1.col_varchar_key <= 'd' ) ) AS alias2 , cc AS alias3 ) WHERE EXISTS ( (SELECT DISTINCT sq3_alias1.col_varchar_nokey AS sq3_field1 FROM ( b AS sq3_alias1 RIGHT JOIN bb AS sq3_alias2 ON (sq3_alias2.col_varchar_nokey = sq3_alias1.col_varchar_key ) ) ) ) GROUP BY field3 ORDER BY alias1.col_datetime_key , alias2 .pk , alias1.col_date_key , alias1 .pk ASC STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -43,2 +43,3 @@ "filtered": "40.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -54,4 +55,3 @@ "col_varchar_nokey" - ], - "attached_condition": "((`test`.`sq2_alias1`.`col_varchar_nokey` = 'o') or (`test`.`sq2_alias1`.`col_varchar_key` <= 'd'))" + ] } QUERY: SELECT col_int_nokey AS field1 FROM a AS table1 WHERE table1 .pk = table1.pk STATUS: EQUAL QUERY: SELECT alias1.col_time_key AS field1 , alias1.col_datetime_key AS field2 , alias1.col_int_key AS field3 FROM ( bb AS alias1 , ( SELECT sq1_alias1.* FROM ( cc AS sq1_alias1 INNER JOIN cc AS sq1_alias2 ON (sq1_alias2.col_varchar_key = sq1_alias1.col_varchar_nokey ) ) ) AS alias2 , ( SELECT sq2_alias1.* FROM b AS sq2_alias1 ) AS alias3 ) WHERE alias1.col_varchar_nokey <= ANY (SELECT sq3_alias1.col_varchar_nokey AS sq3_field1 FROM ( c AS sq3_alias1 INNER JOIN ( c AS sq3_alias2 INNER JOIN c AS sq3_alias3 ON (sq3_alias3.pk = sq3_alias2.col_int_key ) ) ON (sq3_alias3.col_varchar_nokey = sq3_alias2.col_varchar_key ) ) ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -15,2 +15,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -27,3 +28,2 @@ ], - "attached_condition": "<nop>((`test`.`alias1`.`col_varchar_nokey` <= (/* select#4 */ select max(`test`.`sq3_alias1`.`col_varchar_nokey`) from `test`.`c` `sq3_alias1` join `test`.`c` `sq3_alias2` join `test`.`c` `sq3_alias3` where ((`test`.`sq3_alias3`.`pk` = `test`.`sq3_alias2`.`col_int_key`) and (`test`.`sq3_alias3`.`col_varchar_nokey` = `test`.`sq3_alias2`.`col_varchar_key`)))))", "attached_subqueries": [ @@ -73,2 +73,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -84,4 +85,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`sq3_alias2`.`col_int_key` is not null)" + ] } @@ -106,2 +106,3 @@ "filtered": "10.00", + "using_where": true, "cost_info": { @@ -115,4 +116,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`sq3_alias3`.`col_varchar_nokey` = `test`.`sq3_alias2`.`col_varchar_key`)" + ] } @@ -154,2 +154,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -163,4 +164,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`sq1_alias1`.`col_varchar_nokey` is not null)" + ] } QUERY: SELECT alias1.col_varchar_nokey AS field1 , alias1.col_varchar_key AS field2 , alias1.col_varchar_key AS field3 FROM ( b AS alias1 , c AS alias2 , b AS alias3 ) WHERE ( alias1.col_varchar_nokey >= ALL (SELECT DISTINCT sq1_alias1.col_varchar_key AS sq1_field1 FROM ( view_a AS sq1_alias1 LEFT OUTER JOIN c AS sq1_alias2 ON (sq1_alias2.col_varchar_key = sq1_alias1.col_varchar_nokey ) ) ) ) AND alias1.col_int_key NOT BETWEEN 20 AND ( 20 + 10 ) AND ( EXISTS (SELECT DISTINCT sq2_alias1.col_int_key AS sq2_field1 FROM ( cc AS sq2_alias1 INNER JOIN b AS sq2_alias2 ON (sq2_alias2.col_int_nokey = sq2_alias1.col_int_key ) ) WHERE sq2_alias1.col_varchar_nokey != alias3.col_varchar_nokey AND sq2_alias1.col_varchar_nokey <= 'g' ) AND alias1.col_varchar_nokey != 'z' ) HAVING field1 <= 3 ORDER BY CONCAT( alias1.col_varchar_key, alias2.col_varchar_key ), field1, field2, field3 LIMIT 1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -21,2 +21,3 @@ "filtered": "5.00", + "using_where": true, "cost_info": { @@ -33,3 +34,2 @@ ], - "attached_condition": "(<not>((`test`.`alias1`.`col_varchar_nokey` < <max>(/* select#2 */ select `test`.`a`.`col_varchar_key` AS `sq1_field1` from `test`.`a` left join `test`.`c` `sq1_alias2` on((`test`.`sq1_alias2`.`col_varchar_key` = `test`.`a`.`col_varchar_nokey`)) where 1))) and (`test`.`alias1`.`col_int_key` not between 20 and <cache>((20 + 10))) and (`test`.`alias1`.`col_varchar_nokey` <> 'z'))", "attached_subqueries": [ @@ -81,2 +81,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -90,4 +91,3 @@ "col_varchar_key" - ], - "attached_condition": "<if>(is_not_null_compl(sq1_alias2), (`test`.`sq1_alias2`.`col_varchar_key` = `test`.`a`.`col_varchar_nokey`), true)" + ] } @@ -107,2 +107,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -118,3 +119,2 @@ ], - "attached_condition": "exists(/* select#3 */ select `test`.`sq2_alias1`.`col_int_key` AS `sq2_field1` from `test`.`cc` `sq2_alias1` join `test`.`b` `sq2_alias2` where ((`test`.`sq2_alias1`.`col_int_key` = `test`.`sq2_alias2`.`col_int_nokey`) and (`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias3`.`col_varchar_nokey`) and (`test`.`sq2_alias1`.`col_varchar_nokey` <= 'g')))", "attached_subqueries": [ @@ -136,2 +136,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -144,4 +145,3 @@ "col_int_nokey" - ], - "attached_condition": "(`test`.`sq2_alias2`.`col_int_nokey` is not null)" + ] } @@ -166,2 +166,3 @@ "filtered": "30.00", + "using_where": true, "cost_info": { @@ -175,4 +176,3 @@ "col_varchar_nokey" - ], - "attached_condition": "((`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias3`.`col_varchar_nokey`) and (`test`.`sq2_alias1`.`col_varchar_nokey` <= 'g'))" + ] } QUERY: SELECT SQL_SMALL_RESULT (SELECT COUNT( sq1_alias1.col_varchar_nokey ) AS sq1_field1 FROM ( cc AS sq1_alias1 , c AS sq1_alias2 ) ) AS field1 FROM ( c AS alias1 LEFT JOIN ( ( ( SELECT sq2_alias1.* FROM bb AS sq2_alias1 ) AS alias2 INNER JOIN ( SELECT sq3_alias2.* FROM ( bb AS sq3_alias1 , a AS sq3_alias2 ) WHERE sq3_alias1.col_varchar_nokey != sq3_alias2.col_varchar_key ) AS alias3 ON (alias3.pk = alias2.pk ) ) ) ON (alias3.col_varchar_key = alias2.col_varchar_key ) ) WHERE alias3.col_varchar_key > ALL (SELECT sq4_alias2.col_varchar_nokey AS sq4_field1 FROM ( d AS sq4_alias1 STRAIGHT_JOIN cc AS sq4_alias2 ON (sq4_alias2.pk = sq4_alias1.col_int_key ) ) ) GROUP BY field1 HAVING field1 = 'u' ORDER BY alias1.col_varchar_key , alias3 .pk DESC , alias1.col_varchar_key , alias1 .pk STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -75,2 +75,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -83,4 +84,3 @@ "col_varchar_nokey" - ], - "attached_condition": "<if>(is_not_null_compl(sq2_alias1..sq3_alias2), (`test`.`sq3_alias1`.`col_varchar_nokey` <> `test`.`sq2_alias1`.`col_varchar_key`), true)" + ] } @@ -106,2 +106,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -116,3 +117,2 @@ ], - "attached_condition": "(<if>(found_match(sq2_alias1..sq3_alias2), <not>((`test`.`sq3_alias2`.`col_varchar_key` <= <max>(/* select#5 */ select `test`.`sq4_alias2`.`col_varchar_nokey` AS `sq4_field1` from `test`.`d` `sq4_alias1` straight_join `test`.`cc` `sq4_alias2` where (`test`.`sq4_alias2`.`pk` = `test`.`sq4_alias1`.`col_int_key`)))), true) and <if>(is_not_null_compl(sq2_alias1..sq3_alias2), (`test`.`sq3_alias2`.`col_varchar_key` = `test`.`sq2_alias1`.`col_varchar_key`), true))", "attached_subqueries": [ @@ -142,2 +142,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -151,4 +152,3 @@ "col_int_key" - ], - "attached_condition": "(`test`.`sq4_alias1`.`col_int_key` is not null)" + ] } QUERY: SELECT CONCAT( table1.col_varchar_nokey , table1.col_varchar_key ) AS field1 , table1.col_varchar_key AS field2 , CONCAT( table1.col_varchar_nokey , table1.col_varchar_key ) AS field3 FROM ( cc AS table1 STRAIGHT_JOIN ( ( ( SELECT subquery1_t2.* FROM ( c AS subquery1_t1 LEFT JOIN ( c AS subquery1_t2 LEFT OUTER JOIN cc AS subquery1_t3 ON (subquery1_t3.col_int_key = subquery1_t2.pk ) ) ON (subquery1_t3.col_int_key = subquery1_t2.col_int_key ) ) ) AS table2 LEFT OUTER JOIN bb AS table3 ON (table3.col_varchar_key = table2.col_varchar_nokey ) ) ) ON (table3.col_varchar_nokey = table2.col_varchar_key ) ) WHERE ( table3.col_varchar_key <= (SELECT 'r' FROM dummy ) ) AND ( table1.pk <= table2.col_int_key AND table1.pk > table3.col_int_key ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -47,2 +47,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -59,3 +60,2 @@ ], - "attached_condition": "((`test`.`table3`.`col_varchar_key` <= (/* select#3 */ select 'r' from `test`.`dummy`)) and (`test`.`table1`.`pk` > `test`.`table3`.`col_int_key`))", "attached_subqueries": [ @@ -107,3 +107,4 @@ "filtered": "3.50", - "index_condition": "((`test`.`subquery1_t2`.`pk` = `test`.`subquery1_t2`.`col_int_key`) and (`test`.`table1`.`pk` <= `test`.`subquery1_t2`.`col_int_key`))", + "index_condition": true, + "using_where": true, "cost_info": { @@ -119,4 +120,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`subquery1_t2`.`col_varchar_nokey` = `test`.`table3`.`col_varchar_key`)" + ] } QUERY: SELECT CONCAT( table2.col_varchar_key , table1.col_varchar_key ) AS field1 , table2.pk AS field2 , table1.pk AS field3 FROM ( cc AS table1 STRAIGHT_JOIN ( ( ( SELECT SQL_SMALL_RESULT subquery1_t2.* FROM ( cc AS subquery1_t1 RIGHT OUTER JOIN bb AS subquery1_t2 ON (subquery1_t2.col_int_nokey = subquery1_t1.pk ) ) ) AS table2 INNER JOIN cc AS table3 ON (table3.pk = table2.pk ) ) ) ON (table3.col_int_key = table2.col_int_nokey ) ) WHERE ( EXISTS (SELECT subquery2_t1.col_int_nokey AS subquery2_field1 FROM ( c AS subquery2_t1 INNER JOIN ( c AS subquery2_t2 STRAIGHT_JOIN b AS subquery2_t3 ON (subquery2_t3.col_int_key = subquery2_t2.pk AND subquery2_t2.col_int_key NOT IN (SELECT child_subquery1_t1.col_int_nokey AS child_subquery1_field1 FROM ( cc AS child_subquery1_t1 LEFT JOIN c AS child_subquery1_t2 ON (child_subquery1_t2.col_int_nokey = child_subquery1_t1.col_int_key ) ) ) ) ) ON (subquery2_t3.col_varchar_key = subquery2_t2.col_varchar_key ) ) WHERE subquery2_t3.col_varchar_nokey <= table2.col_varchar_nokey AND subquery2_t3.pk <= table2.pk ) ) OR ( table3.col_varchar_nokey <= 'c' AND table2.col_varchar_key != table2.col_varchar_nokey ) ORDER BY table1.col_varchar_key /*+JavaDB:Postgres: NULLS FIRST*/ , table1 .pk DESC /*+JavaDB:Postgres: NULLS LAST */, field1 /*+JavaDB:Postgres: NULLS FIRST */, field2 /*+JavaDB:Postgres: NULLS FIRST */, field3 /*+JavaDB:Postgres: NULLS FIRST */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -47,2 +47,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -60,3 +61,2 @@ ], - "attached_condition": "(exists(/* select#3 */ select `test`.`subquery2_t1`.`col_int_nokey` AS `subquery2_field1` from `test`.`c` `subquery2_t1` join `test`.`c` `subquery2_t2` straight_join `test`.`b` `subquery2_t3` where ((`test`.`subquery2_t3`.`col_int_key` = `test`.`subquery2_t2`.`pk`) and (`test`.`subquery2_t3`.`col_varchar_key` = `test`.`subquery2_t2`.`col_varchar_key`) and (`test`.`subquery2_t3`.`col_varchar_nokey` <= `test`.`subquery1_t2`.`col_varchar_nokey`) and (`test`.`subquery2_t3`.`pk` <= `test`.`subquery1_t2`.`pk`) and (not(<in_optimizer>(`test`.`subquery2_t2`.`col_int_key`,`test`.`subquery2_t2`.`col_int_key` in ( <materialize> (/* select#4 */ select `test`.`child_subquery1_t1`.`col_int_nokey` AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` left join `test`.`c` `child_subquery1_t2` on((`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`)) where 1 having 1 ), <primary_index_lookup>(`test`.`subquery2_t2`.`col_int_key` in <temporary table> on <auto_key> where ((`test`.`subquery2_t2`.`col_int_key` = `materialized-subquery`.`child_subquery1_field1`))))))))) or (`test`.`subquery1_t2`.`col_varchar_key` <> `test`.`subquery1_t2`.`col_varchar_nokey`))", "attached_subqueries": [ @@ -106,2 +106,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -119,3 +120,2 @@ ], - "attached_condition": "(not(<in_optimizer>(`test`.`subquery2_t2`.`col_int_key`,`test`.`subquery2_t2`.`col_int_key` in ( <materialize> (/* select#4 */ select `test`.`child_subquery1_t1`.`col_int_nokey` AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` left join `test`.`c` `child_subquery1_t2` on((`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`)) where 1 having 1 ), <primary_index_lookup>(`test`.`subquery2_t2`.`col_int_key` in <temporary table> on <auto_key> where ((`test`.`subquery2_t2`.`col_int_key` = `materialized-subquery`.`child_subquery1_field1`)))))))", "attached_subqueries": [ @@ -164,2 +164,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -173,4 +174,3 @@ "col_int_nokey" - ], - "attached_condition": "<if>(is_not_null_compl(child_subquery1_t2), (`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`), true)" + ] } @@ -237,2 +237,3 @@ "filtered": "12.50", + "using_where": true, "cost_info": { @@ -248,3 +249,2 @@ ], - "attached_condition": "((`test`.`table3`.`col_int_key` = `test`.`subquery1_t2`.`col_int_nokey`) and (exists(/* select#3 */ select `test`.`subquery2_t1`.`col_int_nokey` AS `subquery2_field1` from `test`.`c` `subquery2_t1` join `test`.`c` `subquery2_t2` straight_join `test`.`b` `subquery2_t3` where ((`test`.`subquery2_t3`.`col_int_key` = `test`.`subquery2_t2`.`pk`) and (`test`.`subquery2_t3`.`col_varchar_key` = `test`.`subquery2_t2`.`col_varchar_key`) and (`test`.`subquery2_t3`.`col_varchar_nokey` <= `test`.`subquery1_t2`.`col_varchar_nokey`) and (`test`.`subquery2_t3`.`pk` <= `test`.`subquery1_t2`.`pk`) and (not(<in_optimizer>(`test`.`subquery2_t2`.`col_int_key`,`test`.`subquery2_t2`.`col_int_key` in ( <materialize> (/* select#4 */ select `test`.`child_subquery1_t1`.`col_int_nokey` AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` left join `test`.`c` `child_subquery1_t2` on((`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`)) where 1 having 1 ), <primary_index_lookup>(`test`.`subquery2_t2`.`col_int_key` in <temporary table> on <auto_key> where ((`test`.`subquery2_t2`.`col_int_key` = `materialized-subquery`.`child_subquery1_field1`))))))))) or ((`test`.`table3`.`col_varchar_nokey` <= 'c') and (`test`.`subquery1_t2`.`col_varchar_key` <> `test`.`subquery1_t2`.`col_varchar_nokey`))))", "attached_subqueries": [ @@ -294,2 +294,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -307,3 +308,2 @@ ], - "attached_condition": "(not(<in_optimizer>(`test`.`subquery2_t2`.`col_int_key`,`test`.`subquery2_t2`.`col_int_key` in ( <materialize> (/* select#4 */ select `test`.`child_subquery1_t1`.`col_int_nokey` AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` left join `test`.`c` `child_subquery1_t2` on((`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`)) where 1 having 1 ), <primary_index_lookup>(`test`.`subquery2_t2`.`col_int_key` in <temporary table> on <auto_key> where ((`test`.`subquery2_t2`.`col_int_key` = `materialized-subquery`.`child_subquery1_field1`)))))))", "attached_subqueries": [ @@ -352,2 +352,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -361,4 +362,3 @@ "col_int_nokey" - ], - "attached_condition": "<if>(is_not_null_compl(child_subquery1_t2), (`test`.`child_subquery1_t2`.`col_int_nokey` = `test`.`child_subquery1_t1`.`col_int_key`), true)" + ] } QUERY: SELECT (SELECT MAX( DISTINCT sq1_alias1.col_int_key ) AS sq1_field1 FROM ( cc AS sq1_alias1 , bb AS sq1_alias2 ) WHERE sq1_alias2.pk <> alias1.pk AND sq1_alias2.pk <= alias1.col_int_key ) AS field1 , COUNT( alias1.col_varchar_key ) AS field2 FROM ( bb AS alias1 LEFT OUTER JOIN ( ( cc AS alias2 INNER JOIN cc AS alias3 ON (alias3.col_int_key = alias2.col_int_key ) ) ) ON (alias3.col_varchar_nokey = alias2.col_varchar_key ) ) WHERE ( EXISTS ( (SELECT sq2_alias1.col_varchar_nokey AS sq2_field1 FROM c AS sq2_alias1 WHERE ( sq2_alias1.col_varchar_nokey , sq2_alias1.col_varchar_nokey ) IN (SELECT c_sq1_alias1.col_varchar_key AS c_sq1_field1 , MAX( c_sq1_alias1.col_varchar_nokey ) AS c_sq1_field2 FROM cc AS c_sq1_alias1 ) GROUP BY sq2_field1 ) ) ) OR ( alias1.col_int_key > 51 AND alias1.col_int_key < ( 51 + 209 ) OR alias1.col_int_key > 51 AND alias1.col_int_key < ( 51 + 159 ) ) OR (SELECT SQL_SMALL_RESULT MIN( sq3_alias1.pk ) AS sq3_field1 FROM ( c AS sq3_alias1 RIGHT OUTER JOIN c AS sq3_alias2 ON (sq3_alias2.col_int_key = sq3_alias1.pk ) ) ) IS NOT NULL GROUP BY field1 HAVING field2 <> 5 ORDER BY alias1.col_time_key ASC , field2 , CONCAT( alias2.col_varchar_key, alias3.col_varchar_key ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -113,3 +113,3 @@ "rows_produced_per_join": 0, - "filtered": "5.00", + "filtered": "100.00", "range_checked_for_each_record": "index map: 0x1", @@ -236,2 +236,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -245,3 +246,2 @@ ], - "attached_condition": "<in_optimizer>((`test`.`sq2_alias1`.`col_varchar_nokey`,`test`.`sq2_alias1`.`col_varchar_nokey`),(`test`.`sq2_alias1`.`col_varchar_nokey`,`test`.`sq2_alias1`.`col_varchar_nokey`) in ( <materialize> (/* select#4 */ select `test`.`c_sq1_alias1`.`col_varchar_key` AS `c_sq1_field1`,max(`test`.`c_sq1_alias1`.`col_varchar_nokey`) AS `c_sq1_field2` from `test`.`cc` `c_sq1_alias1` having 1 ), <primary_index_lookup>(`test`.`sq2_alias1`.`col_varchar_nokey` in <temporary table> on <auto_key> where ((`test`.`sq2_alias1`.`col_varchar_nokey` = `materialized-subquery`.`c_sq1_field1`) and (`test`.`sq2_alias1`.`col_varchar_nokey` = `materialized-subquery`.`c_sq1_field2`)))))", "attached_subqueries": [ QUERY: SELECT (SELECT 5 FROM dummy ) AS field1 FROM ( b AS table1 INNER JOIN ( ( ( SELECT subquery2_t1.* FROM ( cc AS subquery2_t1 INNER JOIN cc AS subquery2_t2 ON (subquery2_t2.col_varchar_key = subquery2_t1.col_varchar_key ) ) ) AS table2 LEFT JOIN cc AS table3 ON (table3.col_int_key = table2.pk ) ) ) ON (table3.col_varchar_key = table2.col_varchar_key ) ) WHERE ( EXISTS ( (SELECT subquery3_t2.col_varchar_nokey AS subquery3_field1 FROM ( d AS subquery3_t1 INNER JOIN bb AS subquery3_t2 ON (subquery3_t2.col_int_key = subquery3_t1.pk ) ) ) ) ) OR ( table1.col_varchar_key = 'w' AND table1.col_varchar_key = table3.col_varchar_key ) ORDER BY table1.col_varchar_key DESC /*+JavaDB:Postgres: NULLS LAST */ , field1 /*+JavaDB:Postgres: NULLS FIRST */ LIMIT 10 OFFSET 6 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -55,3 +55,4 @@ "rows_produced_per_join": 20, - "filtered": "80.00", + "filtered": "100.00", + "using_where": true, "using_index": true, @@ -68,4 +69,3 @@ "col_varchar_key" - ], - "attached_condition": "((`test`.`table3`.`col_int_key` is not null) and (`test`.`table3`.`col_varchar_key` is not null))" + ] } @@ -91,2 +91,3 @@ "filtered": "6.67", + "using_where": true, "cost_info": { @@ -100,4 +101,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`subquery2_t1`.`col_varchar_key` = `test`.`table3`.`col_varchar_key`)" + ] } @@ -156,2 +156,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -165,4 +166,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`subquery3_t2`.`col_int_key` is not null)" + ] } QUERY: SELECT alias1.col_time_key AS field1 , alias2.col_varchar_key AS field2 FROM ( b AS alias1 , ( SELECT sq1_alias1.* FROM cc AS sq1_alias1 ) AS alias2 , c AS alias3 ) WHERE ( EXISTS ( (SELECT 5 FROM DUAL ) ) ) OR ( alias1.col_varchar_key IN ('e' , 'USA') OR alias1.col_varchar_key IN ('USA') ) GROUP BY field1, field2 HAVING field2 > 'e' STATUS: EQUAL QUERY: SELECT (SELECT 'z' FROM dummy ) AS field1 , table1.pk AS field2 , table1.col_time_key AS field3 , table2.col_datetime_key AS field4 , table1.col_datetime_key AS field5 , table2.pk AS field6 FROM ( ( SELECT subquery2_t1.* FROM ( c AS subquery2_t1 INNER JOIN cc AS subquery2_t2 ON (subquery2_t2.pk = subquery2_t1.pk ) ) ) AS table1 INNER JOIN ( SELECT subquery3_t1.* FROM ( b AS subquery3_t1 LEFT JOIN c AS subquery3_t2 ON (subquery3_t2.pk = subquery3_t1.pk ) ) ) AS table2 ON (table2.pk = table1.col_int_key ) ) WHERE ( EXISTS ( (SELECT subquery4_t1.col_varchar_key AS subquery4_field1 FROM ( cc AS subquery4_t1 LEFT OUTER JOIN c AS subquery4_t2 ON (subquery4_t2.pk = subquery4_t1.col_int_key ) ) ) ) ) OR ( table1.pk = 141 AND table1.pk = 79 ) ORDER BY table1.col_datetime_key DESC /*+JavaDB:Postgres: NULLS LAST */ STATUS: EQUAL QUERY: SELECT alias1.col_int_key AS field1 , alias2.col_varchar_key AS field2 FROM ( c AS alias1 , ( SELECT sq1_alias1.* FROM ( cc AS sq1_alias1 RIGHT JOIN b AS sq1_alias2 ON (sq1_alias2.col_int_key = sq1_alias1.pk ) ) ) AS alias2 , ( SELECT sq2_alias1.* FROM ( cc AS sq2_alias1 INNER JOIN c AS sq2_alias2 ON (sq2_alias2.pk = sq2_alias1.pk ) ) ) AS alias3 ) WHERE alias3.col_int_key IN (SELECT sq3_alias1.col_int_key AS sq3_field1 FROM ( c AS sq3_alias1 , c AS sq3_alias2 ) ) HAVING ((field1 = 'z' OR field2 < 235) AND field1 != 1) ORDER BY alias1.col_varchar_key DESC STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -167,3 +167,2 @@ "rows_examined_per_scan": 1, - "attached_condition": "(`<subquery4>`.`sq3_field1` = `test`.`sq2_alias1`.`col_int_key`)", "materialized_from_subquery": { QUERY: SELECT STRAIGHT_JOIN table1.pk AS field1 FROM ( c AS table1 INNER JOIN ( ( c AS table2 INNER JOIN ( SELECT subquery1_t1.* FROM ( bb AS subquery1_t1 STRAIGHT_JOIN cc AS subquery1_t2 ON (subquery1_t2.pk = subquery1_t1.col_int_nokey ) ) WHERE ( subquery1_t2.col_varchar_key < 'x' AND subquery1_t1.col_int_nokey != subquery1_t2.pk ) ) AS table3 ON (table3.pk = table2.col_int_key AND table2.col_int_key = (SELECT MIN( subquery2_t1.col_int_nokey ) AS subquery2_field1 FROM ( cc AS subquery2_t1 INNER JOIN cc AS subquery2_t2 ON (subquery2_t2.pk = subquery2_t1.col_int_nokey ) ) ) ) ) ) ON (table3.col_varchar_key = table2.col_varchar_nokey ) ) WHERE ( table1.pk = ALL (SELECT 25 FROM dummy UNION SELECT 2 FROM dummy ) ) AND ( table1.col_varchar_key NOT IN ('z', 'n') OR table1.pk > 67 AND table1.pk < ( 67 + 32 ) ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -29,2 +29,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -34,4 +35,3 @@ "data_read_per_join": "8" - }, - "attached_condition": "(<cache>(`test`.`table1`.`pk`) <> 25)" + } } @@ -53,2 +53,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -58,4 +59,3 @@ "data_read_per_join": "8" - }, - "attached_condition": "(<cache>(`test`.`table1`.`pk`) <> 2)" + } } @@ -83,2 +83,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -91,4 +92,3 @@ "col_int_nokey" - ], - "attached_condition": "(`test`.`subquery2_t1`.`col_int_nokey` is not null)" + ] } QUERY: SELECT SQL_SMALL_RESULT table2.col_varchar_key AS field1 , table2.col_time_key AS field2 , table1.col_time_key AS field3 , table1.col_datetime_key AS field4 , ( ( table1.col_int_key ) - ( table1.pk ) ) AS field5 FROM ( cc AS table1 STRAIGHT_JOIN a AS table2 ON (table2.col_int_key = table1.col_int_nokey ) ) WHERE ( EXISTS ( (SELECT subquery1_t1.col_varchar_key AS subquery1_field1 FROM ( c AS subquery1_t1 LEFT JOIN b AS subquery1_t2 ON (subquery1_t2.col_int_nokey = subquery1_t1.pk AND subquery1_t1.pk NOT IN (SELECT child_subquery1_t1.col_int_key AS child_subquery1_field1 FROM b AS child_subquery1_t1 ) ) ) GROUP BY subquery1_field1 ) ) ) AND table2.col_varchar_key >= table1.col_varchar_key ORDER BY table1.col_date_key DESC /*+JavaDB:Postgres: NULLS LAST */ , field1 /*+JavaDB:Postgres: NULLS FIRST */, field2 /*+JavaDB:Postgres: NULLS FIRST */, field3 /*+JavaDB:Postgres: NULLS FIRST */, field4 /*+JavaDB:Postgres: NULLS FIRST */, field5 /*+JavaDB:Postgres: NULLS FIRST */ STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -41,3 +41,3 @@ "table_name": "table2", - "access_type": "ALL", + "access_type": "range", "possible_keys": [ @@ -46,2 +46,7 @@ ], + "key": "col_int_key", + "used_key_parts": [ + "col_int_key" + ], + "key_length": "5", "rows_examined_per_scan": 1, @@ -108,2 +113,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -118,3 +124,2 @@ ], - "attached_condition": "<if>(is_not_null_compl(subquery1_t2), ((`test`.`subquery1_t2`.`col_int_nokey` = `test`.`subquery1_t1`.`pk`) and (not(<in_optimizer>(`test`.`subquery1_t1`.`pk`,`test`.`subquery1_t1`.`pk` in ( <materialize> (/* select#3 */ select `test`.`child_subquery1_t1`.`col_int_key` AS `child_subquery1_field1` from `test`.`b` `child_subquery1_t1` where 1 having 1 ), <primary_index_lookup>(`test`.`subquery1_t1`.`pk` in <temporary table> on <auto_key> where ((`test`.`subquery1_t1`.`pk` = `materialized-subquery`.`child_subquery1_field1`)))))))), true)", "attached_subqueries": [ QUERY: SELECT SQL_SMALL_RESULT table2.col_varchar_key AS field1 FROM ( c AS table1 LEFT OUTER JOIN cc AS table2 ON (table2.col_int_key = table1.pk ) ) WHERE ( table2.col_varchar_nokey != ANY (SELECT SQL_SMALL_RESULT subquery1_t1.col_varchar_key AS subquery1_field1 FROM ( c AS subquery1_t1 LEFT OUTER JOIN c AS subquery1_t2 ON (subquery1_t2.col_int_key = subquery1_t1.col_int_key OR subquery1_t2.col_int_key = (SELECT MIN( child_subquery1_t2.pk ) AS child_subquery1_field1 FROM ( c AS child_subquery1_t1 INNER JOIN c AS child_subquery1_t2 ON (child_subquery1_t2.col_int_key = child_subquery1_t1.pk ) ) WHERE child_subquery1_t2.col_varchar_nokey = child_subquery1_t2.col_varchar_key ) ) ) WHERE subquery1_t2.pk >= table1.col_int_nokey ) ) AND ( table1.pk NOT IN (226, 126) OR table1.col_int_key > 241 AND table1.col_int_key < ( 241 + 133 ) ) OR ( table2.col_varchar_key <> 'a' OR table1.col_int_key < table1.pk ) STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -50,2 +50,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -61,3 +62,2 @@ ], - "attached_condition": "<if>(found_match(table2), ((<nop>(<in_optimizer>(`test`.`table2`.`col_varchar_nokey`,<exists>(/* select#2 */ select sql_small_result 1 from `test`.`c` `subquery1_t1` join `test`.`c` `subquery1_t2` where ((`test`.`subquery1_t2`.`pk` >= `test`.`table1`.`col_int_nokey`) and <if>(outer_field_is_not_null, ((<cache>(`test`.`table2`.`col_varchar_nokey`) <> `test`.`subquery1_t1`.`col_varchar_key`) or isnull(`test`.`subquery1_t1`.`col_varchar_key`)), true) and ((`test`.`subquery1_t1`.`col_int_key` = `test`.`subquery1_t2`.`col_int_key`) or (`test`.`subquery1_t2`.`col_int_key` = (/* select#3 */ select min(`test`.`child_subquery1_t2`.`pk`) AS `child_subquery1_field1` from `test`.`c` `child_subquery1_t1` join `test`.`c` `child_subquery1_t2` where ((`test`.`child_subquery1_t1`.`pk` = `test`.`child_subquery1_t2`.`col_int_key`) and (`test`.`child_subquery1_t2`.`col_varchar_key` = `test`.`child_subquery1_t2`.`col_varchar_nokey`)))))) having <if>(outer_field_is_not_null, <is_not_null_test>(`test`.`subquery1_t1`.`col_varchar_key`), true)))) and ((`test`.`table1`.`pk` not in (226,126)) or ((`test`.`table1`.`col_int_key` > 241) and (`test`.`table1`.`col_int_key` < <cache>((241 + 133)))))) or (`test`.`table2`.`col_varchar_key` <> 'a') or (`test`.`table1`.`col_int_key` < `test`.`table1`.`pk`)), true)", "attached_subqueries": [ @@ -82,3 +82,3 @@ "rows_produced_per_join": 6, - "filtered": "33.33", + "filtered": "100.00", "range_checked_for_each_record": "index map: 0x3", @@ -112,2 +112,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -124,3 +125,2 @@ ], - "attached_condition": "(<if>(outer_field_is_not_null, ((<cache>(`test`.`table2`.`col_varchar_nokey`) <> `test`.`subquery1_t1`.`col_varchar_key`) or isnull(`test`.`subquery1_t1`.`col_varchar_key`)), true) and ((`test`.`subquery1_t1`.`col_int_key` = `test`.`subquery1_t2`.`col_int_key`) or (`test`.`subquery1_t2`.`col_int_key` = (/* select#3 */ select min(`test`.`child_subquery1_t2`.`pk`) AS `child_subquery1_field1` from `test`.`c` `child_subquery1_t1` join `test`.`c` `child_subquery1_t2` where ((`test`.`child_subquery1_t1`.`pk` = `test`.`child_subquery1_t2`.`col_int_key`) and (`test`.`child_subquery1_t2`.`col_varchar_key` = `test`.`child_subquery1_t2`.`col_varchar_nokey`))))))", "attached_subqueries": [ @@ -145,2 +145,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -156,4 +157,3 @@ "col_varchar_nokey" - ], - "attached_condition": "((`test`.`child_subquery1_t2`.`col_varchar_key` = `test`.`child_subquery1_t2`.`col_varchar_nokey`) and (`test`.`child_subquery1_t2`.`col_int_key` is not null))" + ] } QUERY: SELECT alias1.col_varchar_key AS field1 FROM ( ( SELECT sq1_alias1.* FROM ( view_cc AS sq1_alias1 , cc AS sq1_alias2 ) WHERE sq1_alias1.pk < sq1_alias2.col_int_nokey ) AS alias1 RIGHT OUTER JOIN c AS alias2 ON (alias2.col_varchar_nokey = alias1.col_varchar_key ) ) WHERE ( EXISTS ( (SELECT sq2_alias1.col_varchar_nokey AS sq2_field1 FROM ( c AS sq2_alias1 , cc AS sq2_alias2 ) ) ) ) AND alias1.col_int_key = 108 HAVING field1 < 'o' ORDER BY alias1.col_date_key , alias2 .pk ASC, field1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -52,2 +52,3 @@ "filtered": "10.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -62,4 +63,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`alias2`.`col_varchar_nokey` = `test`.`cc`.`col_varchar_key`)" + ] } @@ -71,4 +71,5 @@ "rows_examined_per_scan": 20, - "rows_produced_per_join": 13, - "filtered": "33.33", + "rows_produced_per_join": 40, + "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -76,5 +77,5 @@ "read_cost": "1.00", - "eval_cost": "2.67", + "eval_cost": "8.00", "prefix_cost": "15.20", - "data_read_per_join": "639" + "data_read_per_join": "1K" }, @@ -83,4 +84,3 @@ "col_int_nokey" - ], - "attached_condition": "(`test`.`cc`.`pk` < `test`.`sq1_alias2`.`col_int_nokey`)" + ] } QUERY: SELECT table2.pk AS field1 FROM ( ( SELECT subquery1_t1.* FROM ( cc AS subquery1_t1 INNER JOIN c AS subquery1_t2 ON (subquery1_t2.col_varchar_key = subquery1_t1.col_varchar_key ) ) WHERE ( NOT EXISTS (SELECT child_subquery1_t2.col_varchar_nokey AS child_subquery1_field1 FROM ( cc AS child_subquery1_t1 INNER JOIN c AS child_subquery1_t2 ON (child_subquery1_t2.pk = child_subquery1_t1.pk ) ) WHERE child_subquery1_t2.col_int_nokey <> subquery1_t1.pk ) OR subquery1_t2.col_varchar_key >= 'c' ) ) AS table1 INNER JOIN cc AS table2 ON (table2.col_int_nokey = table1.col_int_key ) ) WHERE ( table2.col_varchar_key > (SELECT 'r' FROM dummy ) ) AND table1.col_int_key = 104 ORDER BY table1.col_time_key ASC /*+JavaDB:Postgres: NULLS FIRST */ , field1 /*+JavaDB:Postgres: NULLS FIRST */ LIMIT 1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -26,2 +26,3 @@ "filtered": "10.00", + "using_where": true, "cost_info": { @@ -37,3 +38,2 @@ ], - "attached_condition": "((`test`.`table2`.`col_int_nokey` = 104) and (`test`.`table2`.`col_varchar_key` > (/* select#4 */ select 'r' from `test`.`dummy`)))", "attached_subqueries": [ @@ -84,2 +84,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -96,3 +97,2 @@ ], - "attached_condition": "(((not(exists(/* select#3 */ select `test`.`child_subquery1_t2`.`col_varchar_nokey` AS `child_subquery1_field1` from `test`.`cc` `child_subquery1_t1` join `test`.`c` `child_subquery1_t2` where ((`test`.`child_subquery1_t1`.`pk` = `test`.`child_subquery1_t2`.`pk`) and (`test`.`child_subquery1_t2`.`col_int_nokey` <> `test`.`subquery1_t1`.`pk`))))) or (`test`.`subquery1_t1`.`col_varchar_key` >= 'c')) and (`test`.`subquery1_t1`.`col_varchar_key` is not null))", "attached_subqueries": [ @@ -117,2 +117,3 @@ "filtered": "90.00", + "using_where": true, "cost_info": { @@ -127,4 +128,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`child_subquery1_t2`.`col_int_nokey` <> `test`.`subquery1_t1`.`pk`)" + ] } QUERY: SELECT alias1.col_datetime_key AS field1 , alias1.col_datetime_key AS field2 FROM ( view_cc AS alias1 , cc AS alias2 , ( SELECT sq1_alias1.* FROM bb AS sq1_alias1 ) AS alias3 ) WHERE ( NOT EXISTS (SELECT sq2_alias1.col_int_nokey AS sq2_field1 FROM c AS sq2_alias1 WHERE sq2_alias1.col_varchar_key > alias2.col_varchar_nokey AND sq2_alias1.pk >= 8 ) ) AND alias1.col_varchar_key <> 'b' HAVING field2 < 'b' ORDER BY alias1.col_time_key , field1, field2 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -48,2 +48,3 @@ "filtered": "95.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -60,4 +61,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`cc`.`col_varchar_key` <> 'b')" + ] } @@ -71,2 +71,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -82,3 +83,2 @@ ], - "attached_condition": "(not(exists(/* select#3 */ select `test`.`sq2_alias1`.`col_int_nokey` AS `sq2_field1` from `test`.`c` `sq2_alias1` where ((`test`.`sq2_alias1`.`col_varchar_key` > `test`.`alias2`.`col_varchar_nokey`) and (`test`.`sq2_alias1`.`pk` >= 8)))))", "attached_subqueries": [ @@ -107,2 +107,3 @@ "filtered": "33.33", + "using_where": true, "cost_info": { @@ -117,4 +118,3 @@ "col_varchar_key" - ], - "attached_condition": "((`test`.`sq2_alias1`.`col_varchar_key` > `test`.`alias2`.`col_varchar_nokey`) and (`test`.`sq2_alias1`.`pk` >= 8))" + ] } QUERY: SELECT MAX( alias1.pk ) AS field1 FROM ( ( SELECT DISTINCT sq1_alias1.* FROM bb AS sq1_alias1 ) AS alias1 RIGHT OUTER JOIN ( SELECT sq2_alias1.* FROM cc AS sq2_alias1 WHERE sq2_alias1.pk < sq2_alias1.col_int_nokey ) AS alias2 ON (alias2.col_varchar_key = alias1.col_varchar_nokey ) ) WHERE alias2.col_varchar_nokey > (SELECT SUM( sq3_alias1.col_varchar_key ) AS sq3_field1 FROM ( cc AS sq3_alias1 INNER JOIN b AS sq3_alias2 ON (sq3_alias2.col_varchar_key = sq3_alias1.col_varchar_key AND sq3_alias2.pk > ALL (SELECT 7 UNION SELECT 7 ) ) ) ) HAVING ( ( 7, 8 ) NOT IN (SELECT sq4_alias1.col_int_nokey AS sq4_field1 , MAX( sq4_alias1.pk ) AS sq4_field2 FROM ( view_bb AS sq4_alias1 LEFT OUTER JOIN ( cc AS sq4_alias2 RIGHT JOIN c AS sq4_alias3 ON (sq4_alias3.col_varchar_key = sq4_alias2.col_varchar_nokey ) ) ON (sq4_alias3.col_varchar_key = sq4_alias2.col_varchar_key ) ) ) AND field1 >= 2) ORDER BY alias1.col_int_key , field1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -15,2 +15,3 @@ "filtered": "11.11", + "using_where": true, "cost_info": { @@ -27,3 +28,2 @@ ], - "attached_condition": "((`test`.`sq2_alias1`.`col_varchar_nokey` > (/* select#4 */ select sum(`test`.`sq3_alias1`.`col_varchar_key`) AS `sq3_field1` from `test`.`cc` `sq3_alias1` join `test`.`b` `sq3_alias2` where ((`test`.`sq3_alias1`.`col_varchar_key` = `test`.`sq3_alias2`.`col_varchar_key`) and <not>((`test`.`sq3_alias2`.`pk` <= <max>(/* select#5 */ select 7 union /* select#6 */ select 7)))))) and (`test`.`sq2_alias1`.`pk` < `test`.`sq2_alias1`.`col_int_nokey`))", "attached_subqueries": [ @@ -54,2 +54,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -65,3 +66,2 @@ ], - "attached_condition": "(<not>((`test`.`sq3_alias2`.`pk` <= <max>(/* select#5 */ select 7 union /* select#6 */ select 7))) and (`test`.`sq3_alias2`.`col_varchar_key` is not null))", "attached_subqueries": [ @@ -284,2 +284,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -293,4 +294,3 @@ "col_varchar_key" - ], - "attached_condition": "<if>(is_not_null_compl(sq4_alias2..sq4_alias3), (`test`.`sq4_alias3`.`col_varchar_key` = `test`.`sq4_alias2`.`col_varchar_nokey`), true)" + ] } QUERY: SELECT alias1.col_date_key AS field1 FROM ( ( SELECT sq1_alias1.* FROM b AS sq1_alias1 ) AS alias1 LEFT OUTER JOIN d AS alias2 ON (alias2.col_varchar_key = alias1.col_varchar_key ) ) WHERE ( alias1.col_varchar_nokey >= SOME (SELECT sq2_alias1.col_varchar_key AS sq2_field1 FROM cc AS sq2_alias1 WHERE sq2_alias1.col_varchar_nokey <> alias2.col_varchar_key AND sq2_alias1.col_varchar_nokey != alias2.col_varchar_nokey ) ) AND alias1.col_int_nokey < ANY (SELECT 7 UNION SELECT 3 ) HAVING field1 >= 1 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -15,2 +15,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -27,3 +28,2 @@ ], - "attached_condition": "<nop>((`test`.`sq1_alias1`.`col_int_nokey` < <max>(/* select#4 */ select 7 union /* select#5 */ select 3)))", "attached_subqueries": [ @@ -79,2 +79,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -89,3 +90,2 @@ ], - "attached_condition": "<if>(found_match(alias2), <nop>(<in_optimizer>(`test`.`sq1_alias1`.`col_varchar_nokey`,<exists>(/* select#3 */ select 1 from `test`.`cc` `sq2_alias1` where ((`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias2`.`col_varchar_key`) and (`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias2`.`col_varchar_nokey`) and <if>(outer_field_is_not_null, ((<cache>(`test`.`sq1_alias1`.`col_varchar_nokey`) >= `test`.`sq2_alias1`.`col_varchar_key`) or isnull(`test`.`sq2_alias1`.`col_varchar_key`)), true)) having <if>(outer_field_is_not_null, <is_not_null_test>(`test`.`sq2_alias1`.`col_varchar_key`), true)))), true)", "attached_subqueries": [ @@ -105,2 +105,3 @@ "filtered": "81.00", + "using_where": true, "cost_info": { @@ -114,4 +115,3 @@ "col_varchar_nokey" - ], - "attached_condition": "((`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias2`.`col_varchar_key`) and (`test`.`sq2_alias1`.`col_varchar_nokey` <> `test`.`alias2`.`col_varchar_nokey`) and <if>(outer_field_is_not_null, ((<cache>(`test`.`sq1_alias1`.`col_varchar_nokey`) >= `test`.`sq2_alias1`.`col_varchar_key`) or isnull(`test`.`sq2_alias1`.`col_varchar_key`)), true))" + ] } QUERY: SELECT COUNT( alias1.col_varchar_nokey ) AS field1 FROM ( cc AS alias1 INNER JOIN ( ( b AS alias2 RIGHT OUTER JOIN ( SELECT sq1_alias1.* FROM ( b AS sq1_alias1 , cc AS sq1_alias2 ) ) AS alias3 ON (alias3.col_varchar_key = alias2.col_varchar_key ) ) ) ON (alias3.col_varchar_key = alias2.col_varchar_key ) ) WHERE alias2.col_varchar_nokey <= ANY (SELECT 'z' UNION DISTINCT SELECT 'l' ) HAVING (field1 <> 'j' AND field1 >= 'wr') ORDER BY field1 DESC , alias1.col_int_key , alias1.col_datetime_key DESC STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -18,2 +18,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -28,3 +29,2 @@ ], - "attached_condition": "(<nop>((`test`.`alias2`.`col_varchar_nokey` <= <max>(/* select#3 */ select 'z' union /* select#4 */ select 'l'))) and (`test`.`alias2`.`col_varchar_key` is not null))", "attached_subqueries": [ QUERY: SELECT DISTINCT alias2.col_varchar_nokey AS field1 , alias1.col_date_key AS field2 , alias2.col_datetime_key AS field3 , alias2.col_date_key AS field4 , alias2.col_varchar_key AS field5 , alias2.col_int_key AS field6 FROM ( cc AS alias1 INNER JOIN ( SELECT DISTINCT sq1_alias1.* FROM ( cc AS sq1_alias1 INNER JOIN c AS sq1_alias2 ON (sq1_alias2.pk = sq1_alias1.col_int_nokey ) ) WHERE ( sq1_alias2.pk < sq1_alias2.col_int_nokey OR sq1_alias2.col_varchar_key > SOME (SELECT 1 UNION DISTINCT SELECT 5 ) ) ) AS alias2 ON (alias2.col_varchar_key = alias1.col_varchar_key ) ) WHERE EXISTS ( (SELECT sq2_alias1.col_int_nokey AS sq2_field1 FROM ( c AS sq2_alias1 , view_c AS sq2_alias2 ) ) ) GROUP BY field1, field2, field3, field4, field5, field6 HAVING field4 <> 3 ORDER BY field2 , alias1.col_datetime_key STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -20,2 +20,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -39,3 +40,2 @@ ], - "attached_condition": "(`alias2`.`col_varchar_key` is not null)", "materialized_from_subquery": { @@ -60,2 +60,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -78,4 +79,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`sq1_alias1`.`col_int_nokey` is not null)" + ] } @@ -100,2 +100,3 @@ "filtered": "77.78", + "using_where": true, "cost_info": { @@ -111,3 +112,2 @@ ], - "attached_condition": "((`test`.`sq1_alias1`.`col_int_nokey` < `test`.`sq1_alias2`.`col_int_nokey`) or <nop>((`test`.`sq1_alias2`.`col_varchar_key` > <min>(/* select#3 */ select 1 union /* select#4 */ select 5))))", "attached_subqueries": [ QUERY: SELECT CONCAT( table2.col_varchar_key , table2.col_varchar_nokey ) AS field1 FROM ( ( SELECT subquery1_t1.* FROM ( c AS subquery1_t1 INNER JOIN bb AS subquery1_t2 ON (subquery1_t2.col_int_key = subquery1_t1.pk OR subquery1_t1.col_int_nokey >= ALL (SELECT 3 FROM dummy UNION SELECT 4 FROM dummy ) ) ) WHERE NOT EXISTS (SELECT SQL_SMALL_RESULT child_subquery2_t1.col_int_key AS child_subquery1_field1 FROM ( a AS child_subquery2_t1 STRAIGHT_JOIN ( ( cc AS child_subquery2_t2 INNER JOIN c AS child_subquery2_t3 ON (child_subquery2_t3.col_varchar_key = child_subquery2_t2.col_varchar_nokey ) ) ) ON (child_subquery2_t3.col_int_nokey = child_subquery2_t2.pk ) ) WHERE child_subquery2_t1.pk <= subquery1_t2.col_int_key ) ) AS table1 INNER JOIN ( SELECT subquery2_t1.* FROM c AS subquery2_t1 ) AS table2 ON (table2.pk = table1.pk ) ) WHERE ( (SELECT SQL_SMALL_RESULT SUM( DISTINCT subquery3_t1.col_int_key ) AS subquery3_field1 FROM ( bb AS subquery3_t1 INNER JOIN cc AS subquery3_t2 ON (subquery3_t2.col_varchar_key = subquery3_t1.col_varchar_nokey ) ) ) IS NULL ) AND ( table1.col_varchar_key IN ('g', 'z', 'w', 'v', 't') OR table1.pk > 39 AND table1.pk < ( 39 + 233 ) ) OR table1.col_varchar_key IS NULL ORDER BY table1.col_int_key ASC /*+JavaDB:Postgres: NULLS FIRST */ , field1 /*+JavaDB:Postgres: NULLS FIRST */ LIMIT 100 STATUS:NOT_EQUAL SYNC_POINT:before_reset_query_plan Diff: EXPLAIN NORMAL vs OTHER @@ -26,2 +26,3 @@ "filtered": "100.00", + "using_where": true, "using_index": true, @@ -37,3 +38,2 @@ ], - "attached_condition": "(not(exists(/* select#5 */ select sql_small_result `test`.`child_subquery2_t1`.`col_int_key` AS `child_subquery1_field1` from `test`.`a` `child_subquery2_t1` join `test`.`cc` `child_subquery2_t2` join `test`.`c` `child_subquery2_t3` where ((`test`.`child_subquery2_t2`.`col_varchar_nokey` = `test`.`child_subquery2_t3`.`col_varchar_key`) and (`test`.`child_subquery2_t2`.`pk` = `test`.`child_subquery2_t3`.`col_int_nokey`) and (`test`.`child_subquery2_t1`.`pk` <= `test`.`subquery1_t2`.`col_int_key`)))))", "attached_subqueries": [ @@ -81,2 +81,3 @@ "filtered": "100.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -91,4 +92,3 @@ "col_varchar_key" - ], - "attached_condition": "(`test`.`child_subquery2_t3`.`col_int_nokey` is not null)" + ] } @@ -113,2 +113,3 @@ "filtered": "10.00", + "using_where": true, "cost_info": { @@ -122,4 +123,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`child_subquery2_t2`.`col_varchar_nokey` = `test`.`child_subquery2_t3`.`col_varchar_key`)" + ] } @@ -143,2 +143,3 @@ "filtered": "41.00", + "using_where": true, "using_join_buffer": "Block Nested Loop", @@ -156,3 +157,2 @@ ], - "attached_condition": "(((isnull((/* select#7 */ select sql_small_result sum(distinct `test`.`subquery3_t1`.`col_int_key`) AS `subquery3_field1` from `test`.`bb` `subquery3_t1` join `test`.`cc` `subquery3_t2` where (`test`.`subquery3_t2`.`col_varchar_key` = `test`.`subquery3_t1`.`col_varchar_nokey`))) and ((`test`.`subquery1_t1`.`col_varchar_key` in ('g','z','w','v','t')) or ((`test`.`subquery1_t1`.`pk` > 39) and (`test`.`subquery1_t1`.`pk` < <cache>((39 + 233)))))) or isnull(`test`.`subquery1_t1`.`col_varchar_key`)) and ((`test`.`subquery1_t1`.`pk` = `test`.`subquery1_t2`.`col_int_key`) or <not>((`test`.`subquery1_t1`.`col_int_nokey` < <max>(/* select#3 */ select 3 from `test`.`dummy` union /* select#4 */ select 4 from `test`.`dummy`)))))", "attached_subqueries": [ @@ -174,2 +174,3 @@ "filtered": "100.00", + "using_where": true, "cost_info": { @@ -183,4 +184,3 @@ "col_varchar_nokey" - ], - "attached_condition": "(`test`.`subquery3_t1`.`col_varchar_nokey` is not null)" + ] }