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sqlite3

    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 1.1.1.1 2012/02/21 17:04:16 misho 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