gitlab.com/CoiaPrant/sqlite3@v1.19.1/testdata/tcl/tkt3461.test (about)

     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