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Create 'main' test directory and move 't' and 'r' there
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111
mysql-test/main/join_nested_jcl6.test
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111
mysql-test/main/join_nested_jcl6.test
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#
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# Run join_nested.test with BKA enabled
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#
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set @save_optimizer_switch_jcl6=@@optimizer_switch;
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set @@optimizer_switch='optimize_join_buffer_size=on';
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set @@optimizer_switch='semijoin_with_cache=on';
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set @@optimizer_switch='outer_join_with_cache=on';
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set @@optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
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set join_cache_level=6;
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show variables like 'join_cache_level';
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set @optimizer_switch_for_join_nested_test=@@optimizer_switch;
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set @join_cache_level_for_join_nested_test=@@join_cache_level;
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--source join_nested.test
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#
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# BUG#35835: queries with nested outer joins with BKA enabled
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#
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CREATE TABLE t5 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
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CREATE TABLE t6 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
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CREATE TABLE t7 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
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CREATE TABLE t8 (a int, b int, c int, PRIMARY KEY(a), KEY b_i (b));
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INSERT INTO t5 VALUES (1,1,0), (2,2,0), (3,3,0);
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INSERT INTO t6 VALUES (1,2,0), (3,2,0), (6,1,0);
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INSERT INTO t7 VALUES (1,1,0), (2,2,0);
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INSERT INTO t8 VALUES (0,2,0), (1,2,0);
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INSERT INTO t6 VALUES (-1,12,0), (-3,13,0), (-6,11,0), (-4,14,0);
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INSERT INTO t7 VALUES (-1,11,0), (-2,12,0), (-3,13,0), (-4,14,0), (-5,15,0);
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INSERT INTO t8 VALUES (-3,13,0), (-1,12,0), (-2,14,0), (-5,15,0), (-4,16,0);
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EXPLAIN
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5
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LEFT JOIN
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(
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(t6, t7)
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LEFT JOIN
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t8
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ON t7.b=t8.b AND t6.b < 10
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)
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ON t6.b >= 2 AND t5.b=t7.b AND
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(t8.a > 0 OR t8.c IS NULL) AND t6.a>0 AND t7.a>0;
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5
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LEFT JOIN
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(
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(t6, t7)
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LEFT JOIN
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t8
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ON t7.b=t8.b AND t6.b < 10
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)
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ON t6.b >= 2 AND t5.b=t7.b AND
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(t8.a > 0 OR t8.c IS NULL) AND t6.a>0 AND t7.a>0;
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DELETE FROM t5;
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DELETE FROM t6;
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DELETE FROM t7;
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DELETE FROM t8;
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INSERT INTO t5 VALUES (1,3,0), (3,2,0);
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INSERT INTO t6 VALUES (3,3,0);
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INSERT INTO t7 VALUES (1,2,0);
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INSERT INTO t8 VALUES (1,1,0);
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EXPLAIN
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t6 LEFT JOIN t7 ON t7.a=1, t8)
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ON (t5.b=t8.b);
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t6 LEFT JOIN t7 ON t7.a=1, t8)
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ON (t5.b=t8.b);
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EXPLAIN
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t6 LEFT JOIN t7 ON t7.b=2, t8)
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ON (t5.b=t8.b);
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t6 LEFT JOIN t7 ON t7.b=2, t8)
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ON (t5.b=t8.b);
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EXPLAIN
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t8, t6 LEFT JOIN t7 ON t7.a=1)
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ON (t5.b=t8.b);
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SELECT t5.a,t5.b,t6.a,t6.b,t7.a,t7.b,t8.a,t8.b
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FROM t5 LEFT JOIN
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(t8, t6 LEFT JOIN t7 ON t7.a=1)
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ON (t5.b=t8.b);
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DROP TABLE t5,t6,t7,t8;
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set join_cache_level=default;
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show variables like 'join_cache_level';
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set @@optimizer_switch=@save_optimizer_switch_jcl6;
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set @optimizer_switch_for_join_nested_test=NULL;
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set @join_cache_level_for_join_nested_test=NULL;
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