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| 1 # 2008 October 25 |
| 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. |
| 12 # |
| 13 # This file implements tests to verify that ticket #3461 has been |
| 14 # fixed. |
| 15 # |
| 16 # $Id: tkt3461.test,v 1.4 2009/06/05 17:09:12 drh Exp $ |
| 17 |
| 18 set testdir [file dirname $argv0] |
| 19 source $testdir/tester.tcl |
| 20 |
| 21 #################################### |
| 22 #################################### |
| 23 # REMOVE THESE TWO LINES: |
| 24 #################################### |
| 25 #################################### |
| 26 #finish_test |
| 27 #return |
| 28 |
| 29 do_test tkt3461-1.1 { |
| 30 execsql { |
| 31 CREATE TABLE t1(a, b); |
| 32 INSERT INTO t1 VALUES(1, 2); |
| 33 } |
| 34 } {} |
| 35 |
| 36 do_test tkt3461-1.2 { |
| 37 execsql { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 } |
| 38 } {1 3} |
| 39 |
| 40 do_test tkt3461-1.3 { |
| 41 # explain { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 OR b_plus_one } |
| 42 # execsql { PRAGMA vdbe_trace = 1; PRAGMA vdbe_listing=1 } |
| 43 execsql { SELECT a, b+1 AS b_plus_one FROM t1 WHERE a=1 OR b_plus_one } |
| 44 } {1 3} |
| 45 |
| 46 do_test tkt3461-2.1 { |
| 47 execsql { |
| 48 SELECT a, b+1 AS b_plus_one |
| 49 FROM t1 |
| 50 WHERE CASE WHEN a=1 THEN 1 ELSE b_plus_one END |
| 51 } |
| 52 } {1 3} |
| 53 |
| 54 do_test tkt3461-3.1 { |
| 55 execsql { |
| 56 CREATE TABLE t2(c, d); |
| 57 INSERT INTO t2 VALUES(3, 4); |
| 58 } |
| 59 # execsql { PRAGMA vdbe_trace = 1; PRAGMA vdbe_listing=1 } |
| 60 execsql { |
| 61 SELECT a, b+1 AS b_plus_one, c, d |
| 62 FROM t1 LEFT JOIN t2 |
| 63 ON (a=c AND d=b_plus_one) |
| 64 } |
| 65 } {1 3 {} {}} |
| 66 |
| 67 finish_test |
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