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MDEV-33281 Fix after-rebase commits

pull/3878/head
Oleg Smirnov 5 months ago
parent
0737d8f35d
commit
6cd27dbc43
5 changed files with 157 additions and 157 deletions
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  1. 2
      mysql-test/main/lowercase_table.result
  2. 4
      mysql-test/main/opt_hint_timeout.result
  3. 76
      mysql-test/main/opt_hints.result
  4. 144
      mysql-test/main/opt_hints_join_order.result
  5. 88
      mysql-test/main/opt_hints_subquery.result

2
mysql-test/main/lowercase_table.result
View File

@ -230,7 +230,7 @@ a
1
2
Warnings:
Warning 4210 Hint BKA("A") is ignored as conflicting/duplicated
Warning 4217 Hint BKA("A") is ignored as conflicting/duplicated
DROP TABLE t1;
#
# End of 11.7 tests

4
mysql-test/main/opt_hint_timeout.result
View File

@ -49,7 +49,7 @@ SELECT /*+ MAX_EXECUTION_TIME(10) MAX_EXECUTION_TIME(100) */ count(*) FROM t1;
count(*)
512
Warnings:
Warning 4210 Hint MAX_EXECUTION_TIME(100) is ignored as conflicting/duplicated
Warning 4217 Hint MAX_EXECUTION_TIME(100) is ignored as conflicting/duplicated
# Wrong values
SELECT /*+ MAX_EXECUTION_TIME(0) */ count(*) FROM t1;
count(*)
@ -102,7 +102,7 @@ SELECT /*+ MAX_EXECUTION_TIME(30) */ count(*) FROM t1;
count(*)
512
Warnings:
Warning 4210 Hint MAX_EXECUTION_TIME(30) is ignored as conflicting/duplicated
Warning 4217 Hint MAX_EXECUTION_TIME(30) is ignored as conflicting/duplicated
SELECT count(*) FROM t1
UNION
SELECT /*+ MAX_EXECUTION_TIME(30) */ count(*) FROM t1;

76
mysql-test/main/opt_hints.result
View File

@ -15,25 +15,25 @@ a
1
2
Warnings:
Warning 4213 Unresolved index name `t1`@`select#1` `idx_å` for NO_MRR hint
Warning 4220 Unresolved index name `t1`@`select#1` `idx_å` for NO_MRR hint
SELECT /*+ NO_MRR(t1 idx_a, idx_å, idx_A) */ a FROM t1;
a
1
2
Warnings:
Warning 4210 Hint NO_MRR(`t1` `idx_A`) is ignored as conflicting/duplicated
Warning 4213 Unresolved index name `t1`@`select#1` `idx_å` for NO_MRR hint
Warning 4217 Hint NO_MRR(`t1` `idx_A`) is ignored as conflicting/duplicated
Warning 4220 Unresolved index name `t1`@`select#1` `idx_å` for NO_MRR hint
DROP TABLE t1;
# Testing that query block names are accent sensitive case insensitive
CREATE TABLE t1 (a INT);
SELECT /*+ QB_NAME(a) BKA(t1@a) BKA(t1@A) */ * FROM t1;
a
Warnings:
Warning 4210 Hint BKA(`t1`@`A`) is ignored as conflicting/duplicated
Warning 4217 Hint BKA(`t1`@`A`) is ignored as conflicting/duplicated
SELECT /*+ QB_NAME(a) BKA(t1@a) BKA(t1@å) */ * FROM t1;
a
Warnings:
Warning 4211 Query block name `å` is not found for BKA hint
Warning 4218 Query block name `å` is not found for BKA hint
DROP TABLE t1;
CREATE TABLE t1(f1 INT, f2 INT);
INSERT INTO t1 VALUES
@ -230,7 +230,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t4 ref y_idx y_idx 5 const 1 100.00
1 SIMPLE t5 range x_idx x_idx 5 NULL 2 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Warning 4213 Unresolved index name `t5`@`select#2` `z_idx` for NO_ICP hint
Warning 4220 Unresolved index name `t5`@`select#2` `z_idx` for NO_ICP hint
Note 1003 select /*+ NO_ICP(`t5`@`select#2` `y_idx`) NO_ICP(`t5`@`select#2` `x_idx`) */ `test`.`t4`.`x` AS `x`,`test`.`t5`.`y` AS `y` from `test`.`t4` join `test`.`t4` `t5` where `test`.`t4`.`y` = 8 and `test`.`t5`.`x` between 7 and <cache>(8 + 0)
# ICP should still be used
EXPLAIN EXTENDED SELECT * FROM
@ -548,7 +548,7 @@ EXPLAIN EXTENDED SELECT /*+ QB_NAME(qb1) QB_NAME(qb1 ) */ * FROM t2;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 28 100.00
Warnings:
Warning 4210 Hint QB_NAME(`qb1`) is ignored as conflicting/duplicated
Warning 4217 Hint QB_NAME(`qb1`) is ignored as conflicting/duplicated
Note 1003 select /*+ QB_NAME(`qb1`) */ `test`.`t2`.`f1` AS `f1`,`test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3` from `test`.`t2`
# Should issue warning
EXPLAIN EXTENDED SELECT /*+ BKA(@qb1) QB_NAME(qb1) */ t2.f1, t2.f2, t2.f3 FROM t1,t2
@ -557,7 +557,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL f1 NULL NULL NULL 28 25.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Warning 4211 Query block name `qb1` is not found for BKA hint
Warning 4218 Query block name `qb1` is not found for BKA hint
Note 1003 select /*+ QB_NAME(`qb1`) */ `test`.`t2`.`f1` AS `f1`,`test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f2` between `test`.`t1`.`f1` and `test`.`t1`.`f2` and `test`.`t2`.`f2` + 1 >= `test`.`t1`.`f1` + 1
# Should not crash
PREPARE stmt1 FROM "SELECT /*+ BKA(t2) */ t2.f1, t2.f2, t2.f3 FROM t1,t2
@ -601,9 +601,9 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL f1 NULL NULL NULL 28 25.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Warning 4212 Unresolved table name `t3`@`select#1` for BKA hint
Warning 4212 Unresolved table name `t3`@`select#1` for NO_RANGE_OPTIMIZATION hint
Warning 4213 Unresolved index name `t3`@`select#1` `idx1` for NO_RANGE_OPTIMIZATION hint
Warning 4219 Unresolved table name `t3`@`select#1` for BKA hint
Warning 4219 Unresolved table name `t3`@`select#1` for NO_RANGE_OPTIMIZATION hint
Warning 4220 Unresolved index name `t3`@`select#1` `idx1` for NO_RANGE_OPTIMIZATION hint
Note 1003 select /*+ BKA(`t2`@`select#1`) NO_BNL(`t1`@`select#1`) */ `test`.`t2`.`f1` AS `f1`,`test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f3` AS `f3` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f2` between `test`.`t1`.`f1` and `test`.`t1`.`f2` and `test`.`t2`.`f2` + 1 >= `test`.`t1`.`f1` + 1
# Check illegal syntax
EXPLAIN EXTENDED SELECT /*+ BKA(qb1 t3@qb1) */ f2 FROM
@ -640,7 +640,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE tbl12 ALL NULL NULL NULL NULL 10 100.00 Using where
1 SIMPLE tbl13 hash_ALL a #hash#a 5 test.tbl12.a 1000 0.10 Using where; Using join buffer (flat, BNLH join)
Warnings:
Warning 4212 Unresolved table name `tbl2`@`select#1` for BKA hint
Warning 4219 Unresolved table name `tbl2`@`select#1` for BKA hint
Note 1003 select `test`.`tbl12`.`a` AS `a`,`test`.`tbl12`.`b` AS `b`,`test`.`tbl13`.`a` AS `a`,`test`.`tbl13`.`b` AS `b`,`test`.`tbl13`.`c` AS `c`,`test`.`tbl13`.`filler` AS `filler` from `test`.`t12` `tbl12` join `test`.`t13` `tbl13` where `test`.`tbl13`.`a` = `test`.`tbl12`.`a` and `test`.`tbl13`.`b` + 1 <= `test`.`tbl13`.`b` + 1
# Check that PS and conventional statements give the same result.
FLUSH STATUS;
@ -1476,19 +1476,19 @@ SELECT /*+ BKA() BKA() */ 1;
1
1
Warnings:
Warning 4210 Hint BKA() is ignored as conflicting/duplicated
Warning 4217 Hint BKA() is ignored as conflicting/duplicated
SELECT /*+ BKA(t1) BKA(t1) */ * FROM t1;
i
Warnings:
Warning 4210 Hint BKA(`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint BKA(`t1`) is ignored as conflicting/duplicated
SELECT /*+ QB_NAME(q1) BKA(t1@q1) BKA(t1@q1) */ * FROM t1;
i
Warnings:
Warning 4210 Hint BKA(`t1`@`q1`) is ignored as conflicting/duplicated
Warning 4217 Hint BKA(`t1`@`q1`) is ignored as conflicting/duplicated
SELECT /*+ QB_NAME(q1) NO_ICP(@q1 t1 PRIMARY) NO_ICP(@q1 t1 PRIMARY) */ * FROM t1;
i
Warnings:
Warning 4210 Hint NO_ICP(`t1`@`q1` `PRIMARY`) is ignored as conflicting/duplicated
Warning 4217 Hint NO_ICP(`t1`@`q1` `PRIMARY`) is ignored as conflicting/duplicated
DROP TABLE t1;
#
# Hints inside views are not supported
@ -1497,7 +1497,7 @@ CREATE TABLE t1 (a INT, INDEX idx_a(a));
INSERT INTO t1 VALUES (1),(2);
CREATE VIEW v1 AS SELECT /*+ NO_MRR(t1 idx_a) */ a FROM t1;
Warnings:
Warning 4214 Optimizer hints are not supported inside view definitions
Warning 4221 Optimizer hints are not supported inside view definitions
SELECT * FROM v1;
a
1
@ -1513,13 +1513,13 @@ Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1`
CREATE OR REPLACE VIEW v1 AS SELECT /*+ NO_MRR(t1 idx_a) BKA(t1)*/ a FROM t1;
Warnings:
Warning 4214 Optimizer hints are not supported inside view definitions
Warning 4221 Optimizer hints are not supported inside view definitions
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` utf8mb4 utf8mb4_uca1400_ai_ci
ALTER VIEW v1 AS SELECT /*+ QB_NAME(q1)*/ a FROM t1;
Warnings:
Warning 4214 Optimizer hints are not supported inside view definitions
Warning 4221 Optimizer hints are not supported inside view definitions
SHOW CREATE VIEW v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select `t1`.`a` AS `a` from `t1` utf8mb4 utf8mb4_uca1400_ai_ci
@ -1686,15 +1686,15 @@ Warning 1064 Optimizer hint syntax error near 'b) */ 1 FROM t1 a, t1 b' at lin
SELECT /*+ NO_ICP(i1) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `i1`@`select#1` for NO_ICP hint
Warning 4219 Unresolved table name `i1`@`select#1` for NO_ICP hint
SELECT /*+ NO_ICP(i1 i2) */ 1 FROM t1;
1
Warnings:
Warning 4213 Unresolved index name `i1`@`select#1` `i2` for NO_ICP hint
Warning 4220 Unresolved index name `i1`@`select#1` `i2` for NO_ICP hint
SELECT /*+ NO_ICP(@qb ident) */ 1 FROM t1;
1
Warnings:
Warning 4211 Query block name `qb` is not found for NO_ICP hint
Warning 4218 Query block name `qb` is not found for NO_ICP hint
# valid hint sequences, no warnings expected:
@ -1749,49 +1749,49 @@ CREATE INDEX 3rd_index ON t1(i, j);
SELECT /*+ NO_ICP(3rd_index) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `3rd_index`@`select#1` for NO_ICP hint
Warning 4219 Unresolved table name `3rd_index`@`select#1` for NO_ICP hint
CREATE INDEX $index ON t1(j, i);
SELECT /*+ NO_ICP($index) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `$index`@`select#1` for NO_ICP hint
Warning 4219 Unresolved table name `$index`@`select#1` for NO_ICP hint
CREATE TABLE ` quoted name test` (i INT);
SELECT /*+ BKA(` quoted name test`) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name ` quoted name test`@`select#1` for BKA hint
Warning 4219 Unresolved table name ` quoted name test`@`select#1` for BKA hint
SELECT /*+ BKA(` quoted name test`@`select#1`) */ 1 FROM t1;
1
Warnings:
Warning 4211 Query block name `select#1` is not found for BKA hint
Warning 4218 Query block name `select#1` is not found for BKA hint
DROP TABLE ` quoted name test`;
SET SQL_MODE = 'ANSI_QUOTES';
CREATE TABLE " quoted name test" (i INT);
SELECT /*+ BKA(" quoted name test") */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name " quoted name test"@"select#1" for BKA hint
Warning 4219 Unresolved table name " quoted name test"@"select#1" for BKA hint
SELECT /*+ BKA(" quoted name test"@"select#1") */ 1 FROM t1;
1
Warnings:
Warning 4211 Query block name "select#1" is not found for BKA hint
Warning 4218 Query block name "select#1" is not found for BKA hint
CREATE TABLE `test1``test2``` (i INT);
SELECT /*+ BKA(`test1``test2```) */ 1;
1
1
Warnings:
Warning 4212 Unresolved table name "test1`test2`"@"select#1" for BKA hint
Warning 4219 Unresolved table name "test1`test2`"@"select#1" for BKA hint
SELECT /*+ BKA("test1""test2""") */ 1;
1
1
Warnings:
Warning 4212 Unresolved table name "test1""test2"""@"select#1" for BKA hint
Warning 4219 Unresolved table name "test1""test2"""@"select#1" for BKA hint
SET SQL_MODE = '';
# should warn:
SELECT /*+ BKA(" quoted name test") */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name ` quoted name test`@`select#1` for BKA hint
Warning 4219 Unresolved table name ` quoted name test`@`select#1` for BKA hint
DROP TABLE ` quoted name test`;
DROP TABLE `test1``test2```;
# Valid hints, no warning:
@ -1843,29 +1843,29 @@ CREATE TABLE tableТ (i INT);
SELECT /*+ BKA(tableТ) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `tableТ`@`select#1` for BKA hint
Warning 4219 Unresolved table name `tableТ`@`select#1` for BKA hint
SELECT /*+ BKA(test@tableТ) */ 1 FROM t1;
1
Warnings:
Warning 4211 Query block name `tableТ` is not found for BKA hint
Warning 4218 Query block name `tableТ` is not found for BKA hint
DROP TABLE tableТ;
CREATE TABLE таблица (i INT);
SELECT /*+ BKA(`таблица`) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `таблица`@`select#1` for BKA hint
Warning 4219 Unresolved table name `таблица`@`select#1` for BKA hint
SELECT /*+ BKA(таблица) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `таблица`@`select#1` for BKA hint
Warning 4219 Unresolved table name `таблица`@`select#1` for BKA hint
SELECT /*+ BKA(test@таблица) */ 1 FROM t1;
1
Warnings:
Warning 4211 Query block name `таблица` is not found for BKA hint
Warning 4218 Query block name `таблица` is not found for BKA hint
SELECT /*+ NO_ICP(`\D1`) */ 1 FROM t1;
1
Warnings:
Warning 4212 Unresolved table name `\D1`@`select#1` for NO_ICP hint
Warning 4219 Unresolved table name `\D1`@`select#1` for NO_ICP hint
DROP TABLE таблица;
# derived tables and other subqueries:
@ -1966,7 +1966,7 @@ NO_ICP(@qb ident)
1
1
Warnings:
Warning 4211 Query block name `qb` is not found for NO_ICP hint
Warning 4218 Query block name `qb` is not found for NO_ICP hint
SELECT /*+
? bad syntax
*/ 1;

144
mysql-test/main/opt_hints_join_order.result
View File

@ -34,7 +34,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4215 Hint JOIN_PREFIX() is ignored as malformed
Warning 4222 Hint JOIN_PREFIX() is ignored as malformed
Note 1003 select count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(q1) JOIN_PREFIX(@q1)*/ count(*) FROM t1, t2;
@ -42,7 +42,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4215 Hint JOIN_PREFIX(@`q1` ) is ignored as malformed
Warning 4222 Hint JOIN_PREFIX(@`q1` ) is ignored as malformed
Note 1003 select /*+ QB_NAME(`q1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
# Hint must be ignored as malformed (table names are not allowed for the fixed order)
EXPLAIN EXTENDED
@ -51,7 +51,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4215 Hint JOIN_FIXED_ORDER(`t2`) is ignored as malformed
Warning 4222 Hint JOIN_FIXED_ORDER(`t2`) is ignored as malformed
Note 1003 select count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
# Hint is applied: QB name is allowed for the fixed order
EXPLAIN EXTENDED
@ -68,7 +68,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4211 Query block name `qb3` is not found for JOIN_FIXED_ORDER hint
Warning 4218 Query block name `qb3` is not found for JOIN_FIXED_ORDER hint
Note 1003 select /*+ QB_NAME(`qb1`) */ count(0) AS `count(*)` from `test`.`t2` join `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ JOIN_FIXED_ORDER()*/ STRAIGHT_JOIN count(*) FROM t1, t2;
@ -84,7 +84,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4210 Hint JOIN_FIXED_ORDER() is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_FIXED_ORDER() is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_PREFIX(@`select#1` `t2`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
EXPLAIN EXTENDED
SELECT /*+ JOIN_FIXED_ORDER() JOIN_PREFIX(t2)*/ count(*) FROM t1, t2;
@ -92,7 +92,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_FIXED_ORDER(@`select#1`) */ straight_join count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
# Multiple join order hints of same type are not allowed (except JOIN_ORDER())
EXPLAIN EXTENDED
@ -101,7 +101,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_PREFIX(@`select#1` `t1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
EXPLAIN EXTENDED
SELECT /*+ JOIN_SUFFIX(t1) JOIN_SUFFIX(t2)*/ count(*) FROM t1, t2;
@ -109,7 +109,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_SUFFIX(@`select#1` `t1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
# Multiple JOIN_ORDER() hints are applied
EXPLAIN EXTENDED
@ -166,7 +166,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4212 Unresolved table name `t3` for JOIN_SUFFIX hint
Warning 4219 Unresolved table name `t3` for JOIN_SUFFIX hint
Note 1003 select count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
# Invalid query block name
EXPLAIN EXTENDED
@ -175,7 +175,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4211 Query block name `qbXXX` is not found for JOIN_SUFFIX hint
Warning 4218 Query block name `qbXXX` is not found for JOIN_SUFFIX hint
Note 1003 select /*+ QB_NAME(`qb1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(qb1) JOIN_SUFFIX(t1, t2@qb3)*/ count(*) FROM t1, t2;
@ -183,7 +183,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4212 Unresolved table name `t2`@`qb3` for JOIN_SUFFIX hint
Warning 4219 Unresolved table name `t2`@`qb3` for JOIN_SUFFIX hint
Note 1003 select /*+ QB_NAME(`qb1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(qb1) JOIN_FIXED_ORDER(@qbXXX)*/ count(*) FROM t2, t1;
@ -191,7 +191,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00
1 SIMPLE t2 ALL NULL NULL NULL NULL 20 100.00 Using join buffer (flat, BNL join)
Warnings:
Warning 4211 Query block name `qbXXX` is not found for JOIN_FIXED_ORDER hint
Warning 4218 Query block name `qbXXX` is not found for JOIN_FIXED_ORDER hint
Note 1003 select /*+ QB_NAME(`qb1`) */ count(0) AS `count(*)` from `test`.`t2` join `test`.`t1`
# Warning expected as the hint must not confuse `t2` in the subquery
# with `t2` in the join
@ -202,7 +202,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 20 100.00
2 SUBQUERY t2 ALL NULL NULL NULL NULL 20 100.00
Warnings:
Warning 4212 Unresolved table name `t2`@`subq` for JOIN_PREFIX hint
Warning 4219 Unresolved table name `t2`@`subq` for JOIN_PREFIX hint
Note 1003 /* select#1 */ select (/* select#2 */ select /*+ QB_NAME(`subq`) */ max(`test`.`t2`.`f1`) from `test`.`t2`) AS `SQ`,`test`.`t2`.`f1` AS `f1` from `test`.`t2`
# No more than 64 join order hints are allowed. It is hard to construct
# a test case where 64 hints will be applicable and only one, exceeding
@ -240,39 +240,39 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join)
1 SIMPLE t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
Warnings:
Warning 4210 Hint JOIN_ORDER(`t1`,`t2`,`t3`,`t4`,`t5`,`t6`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_SUFFIX(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t1`,`t2`,`t3`,`t4`,`t5`,`t6`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t3`,`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_PREFIX(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) JOIN_ORDER(@`select#1` `t2`,`t1`) */ count(0) AS `count(*)` from `test`.`t1` join `test`.`t2` join `test`.`t3`
# Original query with no hints
SELECT count(*) FROM t1 JOIN t2 JOIN t3
@ -315,7 +315,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`,`t1`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_PREFIX(t3, t2, t1) JOIN_PREFIX(t2, t1) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -327,7 +327,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t4 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_PREFIX(@`select#1` `t3`,`t2`,`t1`) */ count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t5`.`f1` = `test`.`t2`.`f1`
# Second JOIN_SUFFIX is conflicting
SELECT /*+ JOIN_SUFFIX(t3, t2) JOIN_SUFFIX(t2, t1) */ count(*) FROM t1 JOIN t2 JOIN t3
@ -336,7 +336,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t2`,`t1`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_SUFFIX(t3, t2) JOIN_SUFFIX(t2, t1) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -347,7 +347,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t2`,`t1`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_SUFFIX(@`select#1` `t3`,`t2`) */ count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# Both JOIN_ORDERs applicable
SELECT /*+ JOIN_ORDER(t3, t2) JOIN_ORDER(t1, t2, t5@subq2) */ count(*)
@ -375,7 +375,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4212 Unresolved table name `t7` for JOIN_ORDER hint
Warning 4219 Unresolved table name `t7` for JOIN_ORDER hint
explain extended SELECT /*+ JOIN_ORDER(t1, t7, t5) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -386,7 +386,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
Warnings:
Warning 4212 Unresolved table name `t7` for JOIN_ORDER hint
Warning 4219 Unresolved table name `t7` for JOIN_ORDER hint
Note 1003 select count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# All hints are applicable
SELECT /*+ JOIN_PREFIX(t2, t5@subq2, t4@subq1)
@ -416,7 +416,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_ORDER(t3, t2) JOIN_ORDER(t2, t3) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -427,7 +427,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_ORDER(@`select#1` `t3`,`t2`) */ count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# JOIN_SUFFIX is ignored
SELECT /*+ JOIN_ORDER(t3, t2) JOIN_SUFFIX(t3) */ count(*) FROM t1 JOIN t2 JOIN t3
@ -436,7 +436,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t3`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_ORDER(t3, t2) JOIN_SUFFIX(t3) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -447,7 +447,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t3`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_ORDER(@`select#1` `t3`,`t2`) */ count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# JOIN_PREFIX is ignored
SELECT /*+ JOIN_ORDER(t3, t2) JOIN_PREFIX(t2) */ count(*) FROM t1 JOIN t2 JOIN t3
@ -456,7 +456,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_ORDER(t3, t2) JOIN_PREFIX(t2) */ count(*) FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
@ -467,7 +467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_ORDER(@`select#1` `t3`,`t2`) */ count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# All hints are applicable
SELECT /*+ JOIN_ORDER(t4@subq1, t3) JOIN_SUFFIX(t1) JOIN_PREFIX(t2, t5@subq2, t4@subq1) */ count(*)
@ -576,7 +576,7 @@ AND t2.f1 IN (SELECT /*+ QB_NAME(subq2) */ f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t1`) is ignored as conflicting/duplicated
explain extended SELECT /*+ QB_NAME(q1) JOIN_ORDER(t2, t1) */ STRAIGHT_JOIN count(*)
FROM t1 JOIN t2 JOIN t3
WHERE t1.f1 IN (SELECT /*+ QB_NAME(subq1) */ f1 FROM t4)
@ -588,7 +588,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED t5 ALL PRIMARY NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t1`) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ QB_NAME(`q1`) */ straight_join count(0) AS `count(*)` from `test`.`t1` join `test`.`t2` join `test`.`t3` where <expr_cache><`test`.`t1`.`f1`>(<in_optimizer>(`test`.`t1`.`f1`,<exists>(/* select#2 */ select /*+ QB_NAME(`subq1`) */ `test`.`t4`.`f1` from `test`.`t4` where <cache>(`test`.`t1`.`f1`) = `test`.`t4`.`f1`))) and <expr_cache><`test`.`t2`.`f1`>(<in_optimizer>(`test`.`t2`.`f1`,`test`.`t2`.`f1` in ( <materialize> (/* select#3 */ select /*+ QB_NAME(`subq2`) */ `test`.`t5`.`f1` from `test`.`t5` ), <primary_index_lookup>(`test`.`t2`.`f1` in <temporary table> on distinct_key where `test`.`t2`.`f1` = `<subquery3>`.`f1`))))
# Test JOIN_FIXED_ORDER.
SELECT /*+ QB_NAME(q1) JOIN_FIXED_ORDER(@q1) */ count(*) FROM t1 JOIN t2 JOIN t3
@ -660,7 +660,7 @@ WHERE t1.f1 IN (SELECT f1 FROM t4) AND t2.f1 IN (SELECT f1 FROM t5);
count(*)
10
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t3`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t3`,`t1`) is ignored as conflicting/duplicated
explain extended SELECT /*+ JOIN_PREFIX(t3, t1) */ count(*) FROM t1 JOIN t2 STRAIGHT_JOIN t3
WHERE t1.f1 IN (SELECT f1 FROM t4) AND t2.f1 IN (SELECT f1 FROM t5);
id select_type table type possible_keys key key_len ref rows filtered Extra
@ -670,7 +670,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t5.f1 20 11.11 Using where; Using join buffer (incremental, BNLH join)
1 PRIMARY t3 ALL NULL NULL NULL NULL 5 100.00 Using join buffer (incremental, BNL join)
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t3`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t3`,`t1`) is ignored as conflicting/duplicated
Note 1003 select count(0) AS `count(*)` from `test`.`t5` semi join (`test`.`t4`) join `test`.`t1` join `test`.`t2` straight_join `test`.`t3` where `test`.`t4`.`f1` = `test`.`t1`.`f1` and `test`.`t2`.`f1` = `test`.`t5`.`f1`
# Hint is applicable
SELECT /*+ JOIN_PREFIX(t1, t2, t3) */ count(*) FROM t1 JOIN t2 STRAIGHT_JOIN t3
@ -777,7 +777,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 1 100.00 Using join buffer (incremental, BNL join)
1 SIMPLE t4 ALL NULL NULL NULL NULL 1 100.00 Using join buffer (incremental, BNL join)
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t4`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t4`,`t1`) is ignored as conflicting/duplicated
Note 1003 select 1 AS `1` from `test`.`t3` left join (`test`.`t1` join `test`.`t2`) on(1 and 1) join `test`.`t4` where 1
EXPLAIN EXTENDED SELECT /*+ JOIN_ORDER(t2, t1, t4) */ 1 FROM t1
JOIN t2 ON 1
@ -922,7 +922,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY ta1 eq_ref PRIMARY PRIMARY 4 test.t2.f1 1 100.00 Using where
1 PRIMARY ta2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`ta2`,`t3`,`ta1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`ta2`,`t3`,`ta1`) is ignored as conflicting/duplicated
Note 1003 delete from `test`.`t1` `ta1` using `test`.`t2` semi join (`test`.`t3`) left join (`test`.`t1` `ta1` join `test`.`t1` `ta2`) on(`test`.`ta1`.`f1` = `test`.`t2`.`f1` and 1 and `test`.`t2`.`f1` is not null) where `test`.`t3`.`f1` = 9
# Both hints are ignored
EXPLAIN EXTENDED DELETE /*+ JOIN_PREFIX(ta1, t2, t3) JOIN_SUFFIX(t3, ta2) */
@ -935,8 +935,8 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY ta1 eq_ref PRIMARY PRIMARY 4 test.t2.f1 1 100.00 Using where
1 PRIMARY ta2 ALL NULL NULL NULL NULL 3 100.00
Warnings:
Warning 4210 Hint JOIN_PREFIX(`ta1`,`t2`,`t3`) is ignored as conflicting/duplicated
Warning 4210 Hint JOIN_SUFFIX(`t3`,`ta2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`ta1`,`t2`,`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t3`,`ta2`) is ignored as conflicting/duplicated
Note 1003 delete from `test`.`t1` `ta1` using `test`.`t2` semi join (`test`.`t3`) left join (`test`.`t1` `ta1` join `test`.`t1` `ta2`) on(`test`.`ta1`.`f1` = `test`.`t2`.`f1` and 1 and `test`.`t2`.`f1` is not null) where `test`.`t3`.`f1` = 9
DROP TABLE t1, t2, t3;
# Const table behavior, table order is not changed, hint is applicable.
@ -980,7 +980,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL NULL NULL NULL NULL 1
1 SIMPLE t1 eq_ref PRIMARY PRIMARY 4 test.t2.f1 1 Using where
Warnings:
Warning 4210 Hint JOIN_SUFFIX(`t1`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_SUFFIX(`t1`,`t2`) is ignored as conflicting/duplicated
DROP TABLE t1, t2;
CREATE TABLE t1
(
@ -1008,7 +1008,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t3 ALL NULL NULL NULL NULL 1 100.00 Using where; Using join buffer (flat, BNL join)
1 SIMPLE t1 ref f1 f1 5 test.t3.f1 1 100.00 Using where; Using index
Warnings:
Warning 4210 Hint JOIN_ORDER(`t1`,`t2`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t1`,`t2`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_ORDER(@`select#1` `t2`,`t3`) */ `test`.`t3`.`f1` AS `f1` from `test`.`t2` join `test`.`t3` left join `test`.`t1` on(`test`.`t1`.`f1` = `test`.`t3`.`f1` and `test`.`t3`.`f1` is not null) where `test`.`t2`.`f1` < 7 and convert(`test`.`t3`.`f2` using utf8mb3) = `test`.`t2`.`f2`
EXPLAIN EXTENDED SELECT /*+ JOIN_ORDER(t1, t2) JOIN_ORDER(t2, t3) */ t3.f1
FROM ( t2 INNER JOIN t3 ON t3.f2 = t2.f2 LEFT JOIN t1 ON t1.f1 = t3.f1 )
@ -1018,7 +1018,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ref f1 f1 5 test.t3.f1 1 100.00 Using where; Using index
1 SIMPLE t2 ref f2,f1 f2 768 func 1 100.00 Using index condition; Using where
Warnings:
Warning 4210 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_ORDER(`t2`,`t3`) is ignored as conflicting/duplicated
Note 1003 select /*+ JOIN_ORDER(@`select#1` `t1`,`t2`) */ `test`.`t3`.`f1` AS `f1` from `test`.`t2` join `test`.`t3` left join `test`.`t1` on(`test`.`t1`.`f1` = `test`.`t3`.`f1` and `test`.`t3`.`f1` is not null) where `test`.`t2`.`f1` < 7 and convert(`test`.`t3`.`f2` using utf8mb3) = `test`.`t2`.`f2`
DROP TABLE t1, t2, t3;
CREATE TABLE t1 (
@ -1035,7 +1035,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 1 100.00 Using where
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 4 test.t1.f2 1 100.00
Warnings:
Warning 4210 Hint JOIN_PREFIX(`t1`,`t1`) is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_PREFIX(`t1`,`t1`) is ignored as conflicting/duplicated
Note 1003 select `test`.`t2`.`f1` AS `f1` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`f1` = `test`.`t1`.`f2`
DROP TABLE t1, t2;
CREATE TABLE t1
@ -1069,7 +1069,7 @@ WHERE ('i','b') IN (SELECT f3, f1 FROM t2 WHERE f2 <> f2 AND als2.f2 IS NULL);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Warning 4210 Hint JOIN_FIXED_ORDER() is ignored as conflicting/duplicated
Warning 4217 Hint JOIN_FIXED_ORDER() is ignored as conflicting/duplicated
Note 1276 Field or reference 'test.als2.f2' of SELECT #2 was resolved in SELECT #1
Note 1003 update /*+ JOIN_ORDER(@`select#1` `t2`,`als1`,`als3`) */ (`test`.`t2`) join `test`.`t3` `als4` left join (`test`.`t3` `als1` join `test`.`t1` `als2` join `test`.`t1` `als3`) on(`test`.`als1`.`f3` = `test`.`als4`.`f2` and multiple equal(`test`.`als1`.`f1`, `test`.`als3`.`f3`) and multiple equal(`test`.`als1`.`f3`, `test`.`als2`.`f1`)) set `test`.`als1`.`f4` = 'eogqjvbhzodzimqahyzlktkbexkhdwxwgifikhcgblhgswxyutepc' where 0
DROP TABLE t1, t2, t3;
@ -1238,7 +1238,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 ref f2 f2 5 const 1 100.00 Using index condition; Using where
1 SIMPLE t1 ref f2 f2 5 test.t2.f3 1 100.00 Using index
Warnings:
Warning 4212 Unresolved table name `alias1` for JOIN_PREFIX hint
Warning 4219 Unresolved table name `alias1` for JOIN_PREFIX hint
Note 1003 select `test`.`t2`.`f3` AS `field1` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`f2` = `test`.`t2`.`f3` and `test`.`t2`.`f2` is null having `f3` <> 3 and `f3` >= 8
DROP TABLE t1, t2;
#

88
mysql-test/main/opt_hints_subquery.result
View File

@ -158,7 +158,7 @@ a
3
4
Warnings:
Warning 4211 Query block name `qb1` is not found for SUBQUERY hint
Warning 4218 Query block name `qb1` is not found for SUBQUERY hint
SELECT /*+ SUBQUERY() */ a FROM t1;
a
1
@ -195,15 +195,15 @@ SELECT /*+ SEMIJOIN() SEMIJOIN(dupsweedout) NO_SEMIJOIN(firstmatch)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(DUPSWEEDOUT) is ignored as conflicting/duplicated
Warning 4210 Hint NO_SEMIJOIN(FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(DUPSWEEDOUT) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`select#1`) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN(loosescan,materialization) SEMIJOIN(dupsweedout)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(DUPSWEEDOUT) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(DUPSWEEDOUT) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`select#1` LOOSESCAN, MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ NO_SEMIJOIN(firstmatch,loosescan,materialization) SEMIJOIN() NO_SEMIJOIN()*/ a
@ -211,8 +211,8 @@ FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN() is ignored as conflicting/duplicated
Warning 4210 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Note 1003 select /*+ NO_SEMIJOIN(@`select#1` FIRSTMATCH, LOOSESCAN, MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(qb1) SEMIJOIN(@qb1) SEMIJOIN(loosescan) NO_SEMIJOIN(@qb1 dupsweedout)*/ a
@ -220,36 +220,36 @@ FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(LOOSESCAN) is ignored as conflicting/duplicated
Warning 4210 Hint NO_SEMIJOIN(@`qb1` DUPSWEEDOUT) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(LOOSESCAN) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`qb1` DUPSWEEDOUT) is ignored as conflicting/duplicated
Note 1003 select /*+ QB_NAME(`qb1`) SEMIJOIN(@`qb1`) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED SELECT /*+ SEMIJOIN(firstmatch) NO_SEMIJOIN()*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`select#1` FIRSTMATCH) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SUBQUERY(materialization) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ SUBQUERY(@`select#1` MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN() SUBQUERY(materialization) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`select#1`) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SUBQUERY(materialization) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ SUBQUERY(@`select#1` MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SUBQUERY(materialization) SUBQUERY(intoexists) SUBQUERY(materialization)*/ a
@ -257,32 +257,32 @@ FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4210 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Note 1003 select /*+ SUBQUERY(@`select#1` MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SUBQUERY(materialization) SEMIJOIN(firstmatch) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ SUBQUERY(@`select#1` MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(qb1) SEMIJOIN(@qb1) SUBQUERY(@qb1 materialization) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(@`qb1` MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(@`qb1` MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ QB_NAME(`qb1`) SEMIJOIN(@`qb1`) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ QB_NAME(qb1) SUBQUERY(@qb1 materialization) SEMIJOIN(@qb1 firstmatch) SUBQUERY(intoexists)*/ a FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(@`qb1` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`qb1` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 select /*+ QB_NAME(`qb1`) SUBQUERY(@`qb1` MATERIALIZATION) */ `test`.`t1`.`a` AS `a` from `test`.`t1`
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN(@qb1) SEMIJOIN(loosescan) NO_SEMIJOIN(@qb1 dupsweedout)*/ a
@ -291,7 +291,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 100.00
2 DERIVED t2 index NULL a 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint NO_SEMIJOIN(@`qb1` DUPSWEEDOUT) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`qb1` DUPSWEEDOUT) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SEMIJOIN(@`qb1`) SEMIJOIN(@`select#1` LOOSESCAN) */ `tt`.`a` AS `a` from (/* select#2 */ select /*+ QB_NAME(`qb1`) */ `test`.`t2`.`a` AS `a` from `test`.`t2`) `tt`
DROP TABLE t1, t2 ,t3;
set optimizer_switch=default;
@ -1434,7 +1434,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN() is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`select#2`) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Try opposite order
EXPLAIN EXTENDED
@ -1444,7 +1444,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t2 ref a a 4 test.t1.a 1 100.00 Using index
Warnings:
Warning 4210 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN() is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`select#2`) */ `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`a` = `test`.`t1`.`a`
# Specify at different levels, hint inside block has effect
EXPLAIN EXTENDED
@ -1454,7 +1454,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t2 ref a a 4 test.t1.a 1 100.00 Using index
Warnings:
Warning 4210 Hint NO_SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`a` = `test`.`t1`.`a`
# Specify at different levels, opposite order
EXPLAIN EXTENDED
@ -1464,7 +1464,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Duplicate hints also gives warning, but hint has effect
EXPLAIN EXTENDED
@ -1474,7 +1474,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t2 ref a a 4 test.t1.a 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`a` = `test`.`t1`.`a`
EXPLAIN EXTENDED
SELECT /*+ NO_SEMIJOIN(@subq) */ * FROM t2
@ -1483,7 +1483,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint NO_SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`subq` ) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Multiple subqueries with conflicting hints
EXPLAIN EXTENDED
@ -1495,8 +1495,8 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ref a a 4 test.t1.b 1 66.67 Using index; Start temporary; End temporary
2 DEPENDENT SUBQUERY t3 index_subquery a a 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Warning 4210 Hint SEMIJOIN(@`subq2` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq2` FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq1`) SEMIJOIN(@`subq2` LOOSESCAN) */ `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`a` = `test`.`t1`.`b` and <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t3 on a))))
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN(@subq1 LOOSESCAN) SEMIJOIN(@subq2 FIRSTMATCH) */ * FROM t1
@ -1507,8 +1507,8 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ref a a 4 test.t1.a 1 100.00 Using index; FirstMatch(t1)
1 PRIMARY t2 ref a a 4 test.t1.b 1 66.67 Using index; Start temporary; End temporary
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Warning 4210 Hint SEMIJOIN(@`subq2` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq2` FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 select /*+ NO_SEMIJOIN(@`subq1` LOOSESCAN) SEMIJOIN(@`subq2` LOOSESCAN) */ `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t3`) semi join (`test`.`t2`) where `test`.`t3`.`a` = `test`.`t1`.`a` and `test`.`t2`.`a` = `test`.`t1`.`b`
# Conflicting hints in same hint comment
EXPLAIN EXTENDED
@ -1520,7 +1520,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 25.00 Using where
1 PRIMARY t2 ref a a 4 test.t1.b 1 66.67 Using index; FirstMatch(t1)
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq1` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq1` FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`subq1` LOOSESCAN) */ `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t3`) semi join (`test`.`t2`) where `test`.`t1`.`a` = `test`.`t3`.`a` and `test`.`t2`.`a` = `test`.`t1`.`b`
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN(@subq1 LOOSESCAN) NO_SEMIJOIN(@subq1 LOOSESCAN) */ *
@ -1532,7 +1532,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.a 1 25.00 Using where
1 PRIMARY t2 ref a a 4 test.t1.b 1 66.67 Using index; FirstMatch(t1)
Warnings:
Warning 4210 Hint NO_SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`subq1` LOOSESCAN) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`subq1` LOOSESCAN) */ `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t3`) semi join (`test`.`t2`) where `test`.`t1`.`a` = `test`.`t3`.`a` and `test`.`t2`.`a` = `test`.`t1`.`b`
EXPLAIN EXTENDED
SELECT /*+ NO_SEMIJOIN(@subq1 LOOSESCAN) NO_SEMIJOIN(@subq1 FIRSTMATCH) */ *
@ -1544,7 +1544,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ref a a 4 test.t1.a 1 100.00 Using index; FirstMatch(t1)
1 PRIMARY t2 ref a a 4 test.t1.b 1 66.67 Using index; FirstMatch(t3)
Warnings:
Warning 4210 Hint NO_SEMIJOIN(@`subq1` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint NO_SEMIJOIN(@`subq1` FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 select /*+ NO_SEMIJOIN(@`subq1` LOOSESCAN) */ `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t3`) semi join (`test`.`t2`) where `test`.`t3`.`a` = `test`.`t1`.`a` and `test`.`t2`.`a` = `test`.`t1`.`b`
# Non-supported strategies should give warnings
EXPLAIN EXTENDED
@ -1770,7 +1770,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 MATERIALIZED t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`select#2` MATERIALIZATION) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`))))
# Try opposite order
EXPLAIN EXTENDED
@ -1781,7 +1781,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`select#2` INTOEXISTS) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Specify at different levels, hint inside block has effect
EXPLAIN EXTENDED
@ -1791,7 +1791,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(@`subq` MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(@`subq` MATERIALIZATION) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`subq` INTOEXISTS) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Specify at different levels, opposite order
EXPLAIN EXTENDED
@ -1801,7 +1801,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 MATERIALIZED t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(@`subq` INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(@`subq` INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`subq` MATERIALIZATION) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (/* select#2 */ select /*+ QB_NAME(`subq`) */ `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`))))
# Specifying combinations of SUBQUERY and SEMIJOIN/NO_SEMIJOIN
# for same query block gives warning
@ -1813,7 +1813,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN() is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN() is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`select#2` INTOEXISTS) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Try opposite order
EXPLAIN EXTENDED
@ -1823,7 +1823,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(MATERIALIZATION) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`select#2`) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
# Specify at different levels, hint inside block has effect
EXPLAIN EXTENDED
@ -1833,7 +1833,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
1 PRIMARY t2 ref a a 4 test.t1.a 1 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(@`subq` MATERIALIZATION) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(@`subq` MATERIALIZATION) is ignored as conflicting/duplicated
Note 1003 select /*+ SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`a` = `test`.`t1`.`a`
EXPLAIN EXTENDED
SELECT /*+ SUBQUERY(@subq INTOEXISTS) */ * FROM t2
@ -1842,7 +1842,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SUBQUERY(@`subq` INTOEXISTS) is ignored as conflicting/duplicated
Warning 4217 Hint SUBQUERY(@`subq` INTOEXISTS) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ NO_SEMIJOIN(@`subq`) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
EXPLAIN EXTENDED
SELECT /*+ SEMIJOIN(@subq FIRSTMATCH) */ * FROM t2
@ -1851,6 +1851,6 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 4 NULL 6 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Warning 4210 Hint SEMIJOIN(@`subq` FIRSTMATCH) is ignored as conflicting/duplicated
Warning 4217 Hint SEMIJOIN(@`subq` FIRSTMATCH) is ignored as conflicting/duplicated
Note 1003 /* select#1 */ select /*+ SUBQUERY(@`subq` INTOEXISTS) */ `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))))
DROP TABLE t1,t2,t3;
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