modernc.org/cc@v1.0.1/v2/testdata/_sqlite/test/tkt3442.test (about)

     1  # 2008 October 20
     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 #3442 has been
    14  # fixed.  
    15  #
    16  #
    17  # $Id: tkt3442.test,v 1.2 2009/06/05 17:09:12 drh Exp $
    18  
    19  
    20  set testdir [file dirname $argv0]
    21  source $testdir/tester.tcl
    22  
    23  
    24  # Create a schema with some indexes.
    25  #
    26  do_test tkt3442-1.1 {
    27    execsql {
    28       CREATE TABLE listhash(
    29         key INTEGER PRIMARY KEY,
    30         id TEXT,
    31         node INTEGER
    32       );
    33       CREATE UNIQUE INDEX ididx ON listhash(id);
    34    }
    35  } {}
    36  
    37  
    38  # Explain Query Plan
    39  #
    40  proc EQP {sql} {
    41    uplevel "execsql {EXPLAIN QUERY PLAN $sql}"
    42  }
    43  
    44  
    45  # These tests perform an EXPLAIN QUERY PLAN on both versions of the 
    46  # SELECT referenced in ticket #3442 (both '5000' and "5000") 
    47  # and verify that the query plan is the same.
    48  #
    49  ifcapable explain {
    50    do_test tkt3442-1.2 {
    51      EQP { SELECT node FROM listhash WHERE id='5000' LIMIT 1; }
    52    } {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?)}}
    53    do_test tkt3442-1.3 {
    54      EQP { SELECT node FROM listhash WHERE id="5000" LIMIT 1; }
    55    } {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?)}}
    56  }
    57  
    58  
    59  # Some extra tests testing other permutations of 5000.
    60  #
    61  ifcapable explain {
    62    do_test tkt3442-1.4 {
    63      EQP { SELECT node FROM listhash WHERE id=5000 LIMIT 1; }
    64    } {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?)}}
    65  }
    66  do_test tkt3442-1.5 {
    67    catchsql {
    68      SELECT node FROM listhash WHERE id=[5000] LIMIT 1;
    69    }
    70  } {1 {no such column: 5000}}
    71  
    72  finish_test