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| 1 # 2012 December 19 |
| 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 name resolution in SELECT |
| 12 # statements that have parenthesized FROM clauses. |
| 13 # |
| 14 |
| 15 set testdir [file dirname $argv0] |
| 16 source $testdir/tester.tcl |
| 17 |
| 18 |
| 19 for {set i 1} {$i<=2} {incr i} { |
| 20 db close |
| 21 forcedelete test$i.db |
| 22 sqlite3 db test$i.db |
| 23 if {$i==2} { |
| 24 optimization_control db query-flattener off |
| 25 } |
| 26 do_test selectD-$i.0 { |
| 27 db eval { |
| 28 ATTACH ':memory:' AS aux1; |
| 29 CREATE TABLE t1(a,b); INSERT INTO t1 VALUES(111,'x1'); |
| 30 CREATE TABLE t2(a,b); INSERT INTO t2 VALUES(222,'x2'); |
| 31 CREATE TEMP TABLE t3(a,b); INSERT INTO t3 VALUES(333,'x3'); |
| 32 CREATE TABLE main.t4(a,b); INSERT INTO main.t4 VALUES(444,'x4'); |
| 33 CREATE TABLE aux1.t4(a,b); INSERT INTO aux1.t4 VALUES(555,'x5'); |
| 34 } |
| 35 } {} |
| 36 do_test selectD-$i.1 { |
| 37 db eval { |
| 38 SELECT * |
| 39 FROM (t1), (t2), (t3), (t4) |
| 40 WHERE t4.a=t3.a+111 |
| 41 AND t3.a=t2.a+111 |
| 42 AND t2.a=t1.a+111; |
| 43 } |
| 44 } {111 x1 222 x2 333 x3 444 x4} |
| 45 do_test selectD-$i.2.1 { |
| 46 db eval { |
| 47 SELECT * |
| 48 FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111) |
| 49 ON t3.a=t2.a+111) |
| 50 ON t2.a=t1.a+111; |
| 51 } |
| 52 } {111 x1 222 x2 333 x3 444 x4} |
| 53 do_test selectD-$i.2.2 { |
| 54 db eval { |
| 55 SELECT t3.a |
| 56 FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111) |
| 57 ON t3.a=t2.a+111) |
| 58 ON t2.a=t1.a+111; |
| 59 } |
| 60 } {333} |
| 61 do_test selectD-$i.2.3 { |
| 62 db eval { |
| 63 SELECT t3.* |
| 64 FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111) |
| 65 ON t3.a=t2.a+111) |
| 66 ON t2.a=t1.a+111; |
| 67 } |
| 68 } {333 x3} |
| 69 do_test selectD-$i.2.3 { |
| 70 db eval { |
| 71 SELECT t3.*, t2.* |
| 72 FROM t1 JOIN (t2 JOIN (t3 JOIN t4 ON t4.a=t3.a+111) |
| 73 ON t3.a=t2.a+111) |
| 74 ON t2.a=t1.a+111; |
| 75 } |
| 76 } {333 x3 222 x2} |
| 77 do_test selectD-$i.2.4 { |
| 78 db eval { |
| 79 SELECT * |
| 80 FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux1.t4 ON aux1.t4.a=main.t4.a+111) |
| 81 ON main.t4.a=t2.a+222) |
| 82 ON t2.a=t1.a+111; |
| 83 } |
| 84 } {111 x1 222 x2 444 x4 555 x5} |
| 85 do_test selectD-$i.2.5 { |
| 86 db eval { |
| 87 SELECT * |
| 88 FROM t1 JOIN (t2 JOIN (main.t4 AS x JOIN aux1.t4 ON aux1.t4.a=x.a+111) |
| 89 ON x.a=t2.a+222) |
| 90 ON t2.a=t1.a+111; |
| 91 } |
| 92 } {111 x1 222 x2 444 x4 555 x5} |
| 93 do_test selectD-$i.2.6 { |
| 94 catchsql { |
| 95 SELECT * |
| 96 FROM t1 JOIN (t2 JOIN (main.t4 JOIN aux.t4 ON aux.t4.a=main.t4.a+111) |
| 97 ON main.t4.a=t2.a+222) |
| 98 ON t2.a=t1.a+111; |
| 99 } |
| 100 } {1 {no such table: aux.t4}} |
| 101 do_test selectD-$i.2.7 { |
| 102 db eval { |
| 103 SELECT x.a, y.b |
| 104 FROM t1 JOIN (t2 JOIN (main.t4 x JOIN aux1.t4 y ON y.a=x.a+111) |
| 105 ON x.a=t2.a+222) |
| 106 ON t2.a=t1.a+111; |
| 107 } |
| 108 } {444 x5} |
| 109 do_test selectD-$i.3 { |
| 110 db eval { |
| 111 UPDATE t2 SET a=111; |
| 112 UPDATE t3 SET a=111; |
| 113 UPDATE t4 SET a=111; |
| 114 SELECT * |
| 115 FROM t1 JOIN (t2 JOIN (t3 JOIN t4 USING(a)) USING (a)) USING (a); |
| 116 } |
| 117 } {111 x1 x2 x3 x4} |
| 118 do_test selectD-$i.4 { |
| 119 db eval { |
| 120 UPDATE t2 SET a=111; |
| 121 UPDATE t3 SET a=111; |
| 122 UPDATE t4 SET a=111; |
| 123 SELECT * |
| 124 FROM t1 LEFT JOIN (t2 LEFT JOIN (t3 LEFT JOIN t4 USING(a)) |
| 125 USING (a)) |
| 126 USING (a); |
| 127 } |
| 128 } {111 x1 x2 x3 x4} |
| 129 do_test selectD-$i.5 { |
| 130 db eval { |
| 131 UPDATE t3 SET a=222; |
| 132 UPDATE t4 SET a=222; |
| 133 SELECT * |
| 134 FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a)) |
| 135 ON t1.a=t3.a-111; |
| 136 } |
| 137 } {111 x1 x2 222 x3 x4} |
| 138 do_test selectD-$i.6 { |
| 139 db eval { |
| 140 UPDATE t4 SET a=333; |
| 141 SELECT * |
| 142 FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a)) |
| 143 ON t1.a=t3.a-111; |
| 144 } |
| 145 } {111 x1 x2 222 x3 {}} |
| 146 do_test selectD-$i.7 { |
| 147 db eval { |
| 148 SELECT t1.*, t2.*, t3.*, t4.b |
| 149 FROM (t1 LEFT JOIN t2 USING(a)) JOIN (t3 LEFT JOIN t4 USING(a)) |
| 150 ON t1.a=t3.a-111; |
| 151 } |
| 152 } {111 x1 111 x2 222 x3 {}} |
| 153 } |
| 154 |
| 155 # The following test was added on 2013-04-24 in order to verify that |
| 156 # the datatypes and affinities of sub-sub-queries are set prior to computing |
| 157 # the datatypes and affinities of the parent sub-queries because the |
| 158 # latter computation depends on the former. |
| 159 # |
| 160 do_execsql_test selectD-4.1 { |
| 161 CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER); |
| 162 CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER); |
| 163 CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER); |
| 164 EXPLAIN QUERY PLAN |
| 165 SELECT * |
| 166 FROM t41 |
| 167 LEFT JOIN (SELECT count(*) AS cnt, x1.d |
| 168 FROM (t42 INNER JOIN t43 ON d=g) AS x1 |
| 169 WHERE x1.d>5 |
| 170 GROUP BY x1.d) AS x2 |
| 171 ON t41.b=x2.d; |
| 172 } {/.*SEARCH SUBQUERY 1 AS x2 USING AUTOMATIC.*/} |
| 173 |
| 174 finish_test |
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