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| 1 # 2011 September 16 |
| 2 # |
| 3 # The author disclaims copyright to this source code. In place of |
| 4 # a legal notice, here is a blessing: |
| 5 # |
| 6 # May you do good and not evil. |
| 7 # May you find forgiveness for yourself and forgive others. |
| 8 # May you share freely, never taking more than you give. |
| 9 # |
| 10 #************************************************************************* |
| 11 # This file implements regression tests for SQLite library. The |
| 12 # focus of this script is testing correlated subqueries |
| 13 # |
| 14 # |
| 15 |
| 16 set testdir [file dirname $argv0] |
| 17 source $testdir/tester.tcl |
| 18 set ::testprefix subquery2 |
| 19 |
| 20 ifcapable !subquery { |
| 21 finish_test |
| 22 return |
| 23 } |
| 24 |
| 25 do_test subquery2-1.1 { |
| 26 execsql { |
| 27 BEGIN; |
| 28 CREATE TABLE t1(a,b); |
| 29 INSERT INTO t1 VALUES(1,2); |
| 30 INSERT INTO t1 VALUES(3,4); |
| 31 INSERT INTO t1 VALUES(5,6); |
| 32 INSERT INTO t1 VALUES(7,8); |
| 33 CREATE TABLE t2(c,d); |
| 34 INSERT INTO t2 VALUES(1,1); |
| 35 INSERT INTO t2 VALUES(3,9); |
| 36 INSERT INTO t2 VALUES(5,25); |
| 37 INSERT INTO t2 VALUES(7,49); |
| 38 CREATE TABLE t3(e,f); |
| 39 INSERT INTO t3 VALUES(1,1); |
| 40 INSERT INTO t3 VALUES(3,27); |
| 41 INSERT INTO t3 VALUES(5,125); |
| 42 INSERT INTO t3 VALUES(7,343); |
| 43 COMMIT; |
| 44 } |
| 45 execsql { |
| 46 SELECT a FROM t1 |
| 47 WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3)); |
| 48 } |
| 49 } {1 3 5 7} |
| 50 do_test subquery2-1.2 { |
| 51 execsql { |
| 52 CREATE INDEX t1b ON t1(b); |
| 53 SELECT a FROM t1 |
| 54 WHERE b IN (SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3)); |
| 55 } |
| 56 } {1 3 5 7} |
| 57 |
| 58 do_test subquery2-1.11 { |
| 59 execsql { |
| 60 SELECT a FROM t1 |
| 61 WHERE +b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3)); |
| 62 } |
| 63 } {1} |
| 64 do_test subquery2-1.12 { |
| 65 execsql { |
| 66 SELECT a FROM t1 |
| 67 WHERE b=(SELECT x+1 FROM (SELECT DISTINCT f/(a*a) AS x FROM t3)); |
| 68 } |
| 69 } {1} |
| 70 |
| 71 do_test subquery2-1.21 { |
| 72 execsql { |
| 73 SELECT a FROM t1 |
| 74 WHERE +b=(SELECT x+1 FROM |
| 75 (SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f)) |
| 76 } |
| 77 } {1 3 5 7} |
| 78 do_test subquery2-1.22 { |
| 79 execsql { |
| 80 SELECT a FROM t1 |
| 81 WHERE b=(SELECT x+1 FROM |
| 82 (SELECT DISTINCT f/d AS x FROM t2 JOIN t3 ON d*a=f)) |
| 83 } |
| 84 } {1 3 5 7} |
| 85 |
| 86 #------------------------------------------------------------------------- |
| 87 # Test that ticket d6b36be38a has been fixed. |
| 88 do_execsql_test 2.1 { |
| 89 CREATE TABLE t4(a, b); |
| 90 CREATE TABLE t5(a, b); |
| 91 INSERT INTO t5 VALUES(3, 5); |
| 92 |
| 93 INSERT INTO t4 VALUES(1, 1); |
| 94 INSERT INTO t4 VALUES(2, 3); |
| 95 INSERT INTO t4 VALUES(3, 6); |
| 96 INSERT INTO t4 VALUES(4, 10); |
| 97 INSERT INTO t4 VALUES(5, 15); |
| 98 } |
| 99 |
| 100 do_execsql_test 2.2 { |
| 101 SELECT * |
| 102 FROM (SELECT * FROM t4 ORDER BY a LIMIT -1 OFFSET 1) |
| 103 LIMIT (SELECT a FROM t5) |
| 104 } {2 3 3 6 4 10} |
| 105 |
| 106 ############################################################################ |
| 107 # Ticket http://www.sqlite.org/src/info/d11a6e908f (2014-09-20) |
| 108 # Query planner fault on three-way nested join with compound inner SELECT |
| 109 # |
| 110 do_execsql_test 3.0 { |
| 111 DROP TABLE IF EXISTS t1; |
| 112 DROP TABLE IF EXISTS t2; |
| 113 CREATE TABLE t1 (id INTEGER PRIMARY KEY, data TEXT); |
| 114 INSERT INTO t1(id,data) VALUES(9,'nine-a'); |
| 115 INSERT INTO t1(id,data) VALUES(10,'ten-a'); |
| 116 INSERT INTO t1(id,data) VALUES(11,'eleven-a'); |
| 117 CREATE TABLE t2 (id INTEGER PRIMARY KEY, data TEXT); |
| 118 INSERT INTO t2(id,data) VALUES(9,'nine-b'); |
| 119 INSERT INTO t2(id,data) VALUES(10,'ten-b'); |
| 120 INSERT INTO t2(id,data) VALUES(11,'eleven-b'); |
| 121 |
| 122 SELECT id FROM ( |
| 123 SELECT id,data FROM ( |
| 124 SELECT * FROM t1 UNION ALL SELECT * FROM t2 |
| 125 ) |
| 126 WHERE id=10 ORDER BY data |
| 127 ); |
| 128 } {10 10} |
| 129 do_execsql_test 3.1 { |
| 130 SELECT data FROM ( |
| 131 SELECT 'dummy', data FROM ( |
| 132 SELECT data FROM t1 UNION ALL SELECT data FROM t1 |
| 133 ) ORDER BY data |
| 134 ); |
| 135 } {eleven-a eleven-a nine-a nine-a ten-a ten-a} |
| 136 do_execsql_test 3.2 { |
| 137 DROP TABLE IF EXISTS t3; |
| 138 DROP TABLE IF EXISTS t4; |
| 139 CREATE TABLE t3(id INTEGER, data TEXT); |
| 140 CREATE TABLE t4(id INTEGER, data TEXT); |
| 141 INSERT INTO t3 VALUES(4, 'a'),(2,'c'); |
| 142 INSERT INTO t4 VALUES(3, 'b'),(1,'d'); |
| 143 |
| 144 SELECT data, id FROM ( |
| 145 SELECT id, data FROM ( |
| 146 SELECT * FROM t3 UNION ALL SELECT * FROM t4 |
| 147 ) ORDER BY data |
| 148 ); |
| 149 } {a 4 b 3 c 2 d 1} |
| 150 |
| 151 |
| 152 finish_test |
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