Artifact 0b2a29bdf7f23cc77aa2d92d0b686ee16153353e:

• File test/tkt3442.test — part of check-in [3eaf921c5b] at 2013-07-20 16:10:07 on branch nextgen-query-planner — Another problem with LIKE optimization. (user: dan size: 1662) [more...]

# 2008 October 20
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# This file implements regression tests for SQLite library.
#
# This file implements tests to verify that ticket #3442 has been
# fixed.  
#
#
# $Id: tkt3442.test,v 1.2 2009/06/05 17:09:12 drh Exp $


set testdir [file dirname $argv0]
source $testdir/tester.tcl


# Create a schema with some indexes.
#
do_test tkt3442-1.1 {
  execsql {
     CREATE TABLE listhash(
       key INTEGER PRIMARY KEY,
       id TEXT,
       node INTEGER
     );
     CREATE UNIQUE INDEX ididx ON listhash(id);
  }
} {}


# Explain Query Plan
#
proc EQP {sql} {
  uplevel "execsql {EXPLAIN QUERY PLAN $sql}"
}


# These tests perform an EXPLAIN QUERY PLAN on both versions of the 
# SELECT referenced in ticket #3442 (both '5000' and "5000") 
# and verify that the query plan is the same.
#
ifcapable explain {
  do_test tkt3442-1.2 {
    EQP { SELECT node FROM listhash WHERE id='5000' LIMIT 1; }
  } {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?)}}
}


# Some extra tests testing other permutations of 5000.
#
ifcapable explain {
  do_test tkt3442-1.4 {
    EQP { SELECT node FROM listhash WHERE id=5000 LIMIT 1; }
  } {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?)}}
}
do_test tkt3442-1.5 {
  catchsql {
    SELECT node FROM listhash WHERE id=[5000] LIMIT 1;
  }
} {1 {no such column: 5000}}

finish_test