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# 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=?) (~1 rows)}}
do_test tkt3442-1.3 {
EQP { SELECT node FROM listhash WHERE id="5000" LIMIT 1; }
} {0 0 0 {SEARCH TABLE listhash USING INDEX ididx (id=?) (~1 rows)}}
}
# 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=?) (~1 rows)}}
}
do_test tkt3442-1.5 {
catchsql {
SELECT node FROM listhash WHERE id=[5000] LIMIT 1;
}
} {1 {no such column: 5000}}
finish_test
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