ed717fe3b2
correctly constructed. New calls to integrity_check are made in the test suite. These changes are intended to prevent any future problems such as seen in ticket #334. (CVS 1024) FossilOrigin-Name: c9734c27074d2039a1896a8c6965c08d03711b13
743 lines
17 KiB
Plaintext
743 lines
17 KiB
Plaintext
# 2001 September 15
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the use of indices in WHERE clases.
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#
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# $Id: where.test,v 1.17 2003/06/15 23:42:25 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Build some test data
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#
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do_test where-1.0 {
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execsql {
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CREATE TABLE t1(w int, x int, y int);
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CREATE TABLE t2(p int, q int, r int, s int);
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}
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for {set i 1} {$i<=100} {incr i} {
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set w $i
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set x [expr {int(log($i)/log(2))}]
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set y [expr {$i*$i + 2*$i + 1}]
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execsql "INSERT INTO t1 VALUES($w,$x,$y)"
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}
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execsql {
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INSERT INTO t2 SELECT 101-w, x, (SELECT max(y) FROM t1)+1-y, y FROM t1;
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CREATE INDEX i1w ON t1(w);
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CREATE INDEX i1xy ON t1(x,y);
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CREATE INDEX i2p ON t2(p);
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CREATE INDEX i2r ON t2(r);
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CREATE INDEX i2qs ON t2(q, s);
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}
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} {}
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# Do an SQL statement. Append the search count to the end of the result.
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#
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proc count sql {
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set ::sqlite_search_count 0
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return [concat [execsql $sql] $::sqlite_search_count]
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}
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# Verify that queries use an index. We are using the special variable
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# "sqlite_search_count" which tallys the number of executions of MoveTo
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# and Next operators in the VDBE. By verifing that the search count is
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# small we can be assured that indices are being used properly.
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#
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do_test where-1.1 {
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count {SELECT x, y FROM t1 WHERE w=10}
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} {3 121 3}
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do_test where-1.2 {
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count {SELECT x, y FROM t1 WHERE w=11}
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} {3 144 3}
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do_test where-1.3 {
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count {SELECT x, y FROM t1 WHERE 11=w}
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} {3 144 3}
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do_test where-1.4 {
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count {SELECT x, y FROM t1 WHERE 11=w AND x>2}
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} {3 144 3}
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do_test where-1.5 {
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count {SELECT x, y FROM t1 WHERE y<200 AND w=11 AND x>2}
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} {3 144 3}
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do_test where-1.6 {
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count {SELECT x, y FROM t1 WHERE y<200 AND x>2 AND w=11}
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} {3 144 3}
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do_test where-1.7 {
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count {SELECT x, y FROM t1 WHERE w=11 AND y<200 AND x>2}
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} {3 144 3}
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do_test where-1.8 {
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count {SELECT x, y FROM t1 WHERE w>10 AND y=144 AND x=3}
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} {3 144 3}
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do_test where-1.9 {
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count {SELECT x, y FROM t1 WHERE y=144 AND w>10 AND x=3}
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} {3 144 3}
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do_test where-1.10 {
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count {SELECT x, y FROM t1 WHERE x=3 AND w>=10 AND y=121}
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} {3 121 3}
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do_test where-1.11 {
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count {SELECT x, y FROM t1 WHERE x=3 AND y=100 AND w<10}
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} {3 100 3}
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# New for SQLite version 2.1: Verify that that inequality constraints
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# are used correctly.
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#
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do_test where-1.12 {
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count {SELECT w FROM t1 WHERE x=3 AND y<100}
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} {8 3}
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do_test where-1.13 {
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count {SELECT w FROM t1 WHERE x=3 AND 100>y}
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} {8 3}
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do_test where-1.14 {
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count {SELECT w FROM t1 WHERE 3=x AND y<100}
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} {8 3}
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do_test where-1.15 {
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count {SELECT w FROM t1 WHERE 3=x AND 100>y}
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} {8 3}
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do_test where-1.16 {
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count {SELECT w FROM t1 WHERE x=3 AND y<=100}
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} {8 9 5}
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do_test where-1.17 {
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count {SELECT w FROM t1 WHERE x=3 AND 100>=y}
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} {8 9 5}
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do_test where-1.18 {
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count {SELECT w FROM t1 WHERE x=3 AND y>225}
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} {15 3}
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do_test where-1.19 {
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count {SELECT w FROM t1 WHERE x=3 AND 225<y}
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} {15 3}
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do_test where-1.20 {
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count {SELECT w FROM t1 WHERE x=3 AND y>=225}
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} {14 15 5}
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do_test where-1.21 {
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count {SELECT w FROM t1 WHERE x=3 AND 225<=y}
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} {14 15 5}
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do_test where-1.22 {
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count {SELECT w FROM t1 WHERE x=3 AND y>121 AND y<196}
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} {11 12 5}
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do_test where-1.23 {
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count {SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196}
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} {10 11 12 13 9}
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do_test where-1.24 {
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count {SELECT w FROM t1 WHERE x=3 AND 121<y AND 196>y}
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} {11 12 5}
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do_test where-1.25 {
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count {SELECT w FROM t1 WHERE x=3 AND 121<=y AND 196>=y}
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} {10 11 12 13 9}
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# Need to work on optimizing the BETWEEN operator.
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#
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# do_test where-1.26 {
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# count {SELECT w FROM t1 WHERE x=3 AND y BETWEEN 121 AND 196}
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# } {10 11 12 13 9}
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do_test where-1.27 {
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count {SELECT w FROM t1 WHERE x=3 AND y+1==122}
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} {10 17}
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do_test where-1.28 {
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count {SELECT w FROM t1 WHERE x+1=4 AND y+1==122}
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} {10 99}
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do_test where-1.29 {
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count {SELECT w FROM t1 WHERE y==121}
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} {10 99}
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do_test where-1.30 {
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count {SELECT w FROM t1 WHERE w>97}
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} {98 99 100 6}
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do_test where-1.31 {
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count {SELECT w FROM t1 WHERE w>=97}
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} {97 98 99 100 8}
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do_test where-1.33 {
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count {SELECT w FROM t1 WHERE w==97}
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} {97 3}
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do_test where-1.34 {
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count {SELECT w FROM t1 WHERE w+1==98}
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} {97 99}
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do_test where-1.35 {
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count {SELECT w FROM t1 WHERE w<3}
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} {1 2 4}
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do_test where-1.36 {
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count {SELECT w FROM t1 WHERE w<=3}
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} {1 2 3 6}
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do_test where-1.37 {
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count {SELECT w FROM t1 WHERE w+1<=4 ORDER BY w}
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} {1 2 3 199}
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do_test where-1.38 {
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count {SELECT (w) FROM t1 WHERE (w)>(97)}
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} {98 99 100 6}
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do_test where-1.39 {
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count {SELECT (w) FROM t1 WHERE (w)>=(97)}
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} {97 98 99 100 8}
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do_test where-1.40 {
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count {SELECT (w) FROM t1 WHERE (w)==(97)}
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} {97 3}
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do_test where-1.41 {
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count {SELECT (w) FROM t1 WHERE ((w)+(1))==(98)}
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} {97 99}
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# Do the same kind of thing except use a join as the data source.
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#
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do_test where-2.1 {
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count {
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SELECT w, p FROM t2, t1
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WHERE x=q AND y=s AND r=8977
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}
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} {34 67 6}
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do_test where-2.2 {
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count {
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SELECT w, p FROM t2, t1
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WHERE x=q AND s=y AND r=8977
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}
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} {34 67 6}
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do_test where-2.3 {
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count {
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SELECT w, p FROM t2, t1
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WHERE x=q AND s=y AND r=8977 AND w>10
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}
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} {34 67 6}
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do_test where-2.4 {
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count {
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SELECT w, p FROM t2, t1
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WHERE p<80 AND x=q AND s=y AND r=8977 AND w>10
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}
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} {34 67 6}
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do_test where-2.5 {
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count {
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SELECT w, p FROM t2, t1
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WHERE p<80 AND x=q AND 8977=r AND s=y AND w>10
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}
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} {34 67 6}
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do_test where-2.6 {
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count {
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SELECT w, p FROM t2, t1
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WHERE x=q AND p=77 AND s=y AND w>5
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}
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} {24 77 6}
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do_test where-2.7 {
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count {
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SELECT w, p FROM t1, t2
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WHERE x=q AND p>77 AND s=y AND w=5
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}
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} {5 96 6}
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# Lets do a 3-way join.
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#
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do_test where-3.1 {
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count {
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SELECT A.w, B.p, C.w FROM t1 as A, t2 as B, t1 as C
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WHERE C.w=101-B.p AND B.r=10202-A.y AND A.w=11
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}
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} {11 90 11 9}
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do_test where-3.2 {
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count {
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SELECT A.w, B.p, C.w FROM t1 as A, t2 as B, t1 as C
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WHERE C.w=101-B.p AND B.r=10202-A.y AND A.w=12
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}
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} {12 89 12 9}
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do_test where-3.3 {
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count {
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SELECT A.w, B.p, C.w FROM t1 as A, t2 as B, t1 as C
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WHERE A.w=15 AND B.p=C.w AND B.r=10202-A.y
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}
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} {15 86 86 9}
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# Test to see that the special case of a constant WHERE clause is
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# handled.
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#
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do_test where-4.1 {
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count {
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SELECT * FROM t1 WHERE 0
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}
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} {0}
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do_test where-4.2 {
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count {
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SELECT * FROM t1 WHERE 1 LIMIT 1
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}
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} {1 0 4 1}
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do_test where-4.3 {
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execsql {
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SELECT 99 WHERE 0
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}
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} {}
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do_test where-4.4 {
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execsql {
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SELECT 99 WHERE 1
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}
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} {99}
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# Verify that IN operators in a WHERE clause are handled correctly.
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#
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do_test where-5.1 {
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count {
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SELECT * FROM t1 WHERE rowid IN (1,2,3,1234) order by 1;
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}
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} {1 0 4 2 1 9 3 1 16 0}
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do_test where-5.2 {
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count {
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SELECT * FROM t1 WHERE rowid+0 IN (1,2,3,1234) order by 1;
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}
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} {1 0 4 2 1 9 3 1 16 199}
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do_test where-5.3 {
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count {
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SELECT * FROM t1 WHERE w IN (-1,1,2,3) order by 1;
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}
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} {1 0 4 2 1 9 3 1 16 10}
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do_test where-5.4 {
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count {
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SELECT * FROM t1 WHERE w+0 IN (-1,1,2,3) order by 1;
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}
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} {1 0 4 2 1 9 3 1 16 199}
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do_test where-5.5 {
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count {
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SELECT * FROM t1 WHERE rowid IN
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(select rowid from t1 where rowid IN (-1,2,4))
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ORDER BY 1;
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}
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} {2 1 9 4 2 25 1}
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do_test where-5.6 {
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count {
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SELECT * FROM t1 WHERE rowid+0 IN
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(select rowid from t1 where rowid IN (-1,2,4))
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ORDER BY 1;
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}
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} {2 1 9 4 2 25 199}
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do_test where-5.7 {
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count {
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SELECT * FROM t1 WHERE w IN
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(select rowid from t1 where rowid IN (-1,2,4))
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ORDER BY 1;
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}
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} {2 1 9 4 2 25 7}
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do_test where-5.8 {
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count {
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SELECT * FROM t1 WHERE w+0 IN
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(select rowid from t1 where rowid IN (-1,2,4))
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ORDER BY 1;
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}
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} {2 1 9 4 2 25 199}
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do_test where-5.9 {
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count {
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SELECT * FROM t1 WHERE x IN (1,7) ORDER BY 1;
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}
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} {2 1 9 3 1 16 6}
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do_test where-5.10 {
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count {
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SELECT * FROM t1 WHERE x+0 IN (1,7) ORDER BY 1;
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}
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} {2 1 9 3 1 16 199}
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do_test where-5.11 {
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count {
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SELECT * FROM t1 WHERE y IN (6400,8100) ORDER BY 1;
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}
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} {79 6 6400 89 6 8100 199}
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do_test where-5.12 {
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count {
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SELECT * FROM t1 WHERE x=6 AND y IN (6400,8100) ORDER BY 1;
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}
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} {79 6 6400 89 6 8100 74}
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do_test where-5.13 {
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count {
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SELECT * FROM t1 WHERE x IN (1,7) AND y NOT IN (6400,8100) ORDER BY 1;
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}
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} {2 1 9 3 1 16 6}
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do_test where-5.14 {
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count {
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SELECT * FROM t1 WHERE x IN (1,7) AND y IN (9,10) ORDER BY 1;
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}
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} {2 1 9 6}
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# This procedure executes the SQL. Then it checks the generated program
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# for the SQL and appends a "nosort" to the result if the program contains the
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# SortCallback opcode. If the program does not contain the SortCallback
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# opcode it appends "sort"
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#
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proc cksort {sql} {
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set data [execsql $sql]
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set prog [execsql "EXPLAIN $sql"]
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if {[regexp SortCallback $prog]} {set x sort} {set x nosort}
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lappend data $x
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return $data
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}
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# Check out the logic that attempts to implement the ORDER BY clause
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# using an index rather than by sorting.
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#
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do_test where-6.1 {
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execsql {
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CREATE TABLE t3(a,b,c);
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CREATE INDEX t3a ON t3(a);
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CREATE INDEX t3bc ON t3(b,c);
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CREATE INDEX t3acb ON t3(a,c,b);
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INSERT INTO t3 SELECT w, 101-w, y FROM t1;
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SELECT count(*), sum(a), sum(b), sum(c) FROM t3;
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}
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} {100 5050 5050 348550}
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do_test where-6.2 {
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cksort {
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SELECT * FROM t3 ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 nosort}
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do_test where-6.3 {
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cksort {
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SELECT * FROM t3 ORDER BY a+1 LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 sort}
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do_test where-6.4 {
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cksort {
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SELECT * FROM t3 WHERE a<10 ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 nosort}
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do_test where-6.5 {
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cksort {
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SELECT * FROM t3 WHERE a>0 AND a<10 ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 nosort}
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do_test where-6.6 {
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cksort {
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SELECT * FROM t3 WHERE a>0 ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 nosort}
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do_test where-6.7 {
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cksort {
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SELECT * FROM t3 WHERE b>0 ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 sort}
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do_test where-6.8 {
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cksort {
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SELECT * FROM t3 WHERE a IN (3,5,7,1,9,4,2) ORDER BY a LIMIT 3
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}
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} {1 100 4 2 99 9 3 98 16 sort}
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do_test where-6.9.1 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.2 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.3 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.4 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.5 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c DESC LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.6 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c DESC LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.9.7 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY c,a LIMIT 3
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}
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} {1 100 4 sort}
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do_test where-6.9.8 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a DESC, c ASC LIMIT 3
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}
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} {1 100 4 sort}
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do_test where-6.9.9 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a ASC, c DESC LIMIT 3
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}
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} {1 100 4 sort}
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do_test where-6.10 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.11 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.12 {
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cksort {
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SELECT * FROM t3 WHERE a=1 AND c>0 ORDER BY a,c,b LIMIT 3
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}
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} {1 100 4 nosort}
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do_test where-6.13 {
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cksort {
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SELECT * FROM t3 WHERE a>0 ORDER BY a DESC LIMIT 3
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}
|
|
} {100 1 10201 99 2 10000 98 3 9801 nosort}
|
|
do_test where-6.13.1 {
|
|
cksort {
|
|
SELECT * FROM t3 WHERE a>0 ORDER BY -a LIMIT 3
|
|
}
|
|
} {100 1 10201 99 2 10000 98 3 9801 sort}
|
|
do_test where-6.14 {
|
|
cksort {
|
|
SELECT * FROM t3 ORDER BY b LIMIT 3
|
|
}
|
|
} {100 1 10201 99 2 10000 98 3 9801 nosort}
|
|
do_test where-6.15 {
|
|
cksort {
|
|
SELECT t3.a, t1.x FROM t3, t1 WHERE t3.a=t1.w ORDER BY t3.a LIMIT 3
|
|
}
|
|
} {1 0 2 1 3 1 nosort}
|
|
do_test where-6.16 {
|
|
cksort {
|
|
SELECT t3.a, t1.x FROM t3, t1 WHERE t3.a=t1.w ORDER BY t1.x, t3.a LIMIT 3
|
|
}
|
|
} {1 0 2 1 3 1 sort}
|
|
do_test where-6.17 {
|
|
cksort {
|
|
SELECT y FROM t1 ORDER BY w COLLATE text LIMIT 3;
|
|
}
|
|
} {4 121 10201 sort}
|
|
do_test where-6.18 {
|
|
cksort {
|
|
SELECT y FROM t1 ORDER BY w COLLATE numeric LIMIT 3;
|
|
}
|
|
} {4 9 16 sort}
|
|
do_test where-6.19 {
|
|
cksort {
|
|
SELECT y FROM t1 ORDER BY w LIMIT 3;
|
|
}
|
|
} {4 9 16 nosort}
|
|
|
|
# Tests for reverse-order sorting.
|
|
#
|
|
do_test where-7.1 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 ORDER BY y;
|
|
}
|
|
} {8 9 10 11 12 13 14 15 nosort}
|
|
do_test where-7.2 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 ORDER BY y DESC;
|
|
}
|
|
} {15 14 13 12 11 10 9 8 nosort}
|
|
do_test where-7.3 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y LIMIT 3;
|
|
}
|
|
} {10 11 12 nosort}
|
|
do_test where-7.4 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>100 ORDER BY y DESC LIMIT 3;
|
|
}
|
|
} {15 14 13 nosort}
|
|
do_test where-7.5 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>121 ORDER BY y DESC;
|
|
}
|
|
} {15 14 13 12 11 nosort}
|
|
do_test where-7.6 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=121 ORDER BY y DESC;
|
|
}
|
|
} {15 14 13 12 11 10 nosort}
|
|
do_test where-7.7 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y DESC;
|
|
}
|
|
} {12 11 10 nosort}
|
|
do_test where-7.8 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y DESC;
|
|
}
|
|
} {13 12 11 10 nosort}
|
|
do_test where-7.9 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y DESC;
|
|
}
|
|
} {13 12 11 nosort}
|
|
do_test where-7.10 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y DESC;
|
|
}
|
|
} {12 11 10 nosort}
|
|
do_test where-7.11 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<196 ORDER BY y;
|
|
}
|
|
} {10 11 12 nosort}
|
|
do_test where-7.12 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=121 AND y<=196 ORDER BY y;
|
|
}
|
|
} {10 11 12 13 nosort}
|
|
do_test where-7.13 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>121 AND y<=196 ORDER BY y;
|
|
}
|
|
} {11 12 13 nosort}
|
|
do_test where-7.14 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>100 AND y<196 ORDER BY y;
|
|
}
|
|
} {10 11 12 nosort}
|
|
do_test where-7.15 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y<81 ORDER BY y;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.16 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y<=81 ORDER BY y;
|
|
}
|
|
} {8 nosort}
|
|
do_test where-7.17 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>256 ORDER BY y;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.18 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=256 ORDER BY y;
|
|
}
|
|
} {15 nosort}
|
|
do_test where-7.19 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y<81 ORDER BY y DESC;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.20 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y<=81 ORDER BY y DESC;
|
|
}
|
|
} {8 nosort}
|
|
do_test where-7.21 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>256 ORDER BY y DESC;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.22 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=3 AND y>=256 ORDER BY y DESC;
|
|
}
|
|
} {15 nosort}
|
|
do_test where-7.23 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=0 AND y<4 ORDER BY y;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.24 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=0 AND y<=4 ORDER BY y;
|
|
}
|
|
} {1 nosort}
|
|
do_test where-7.25 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=6 AND y>10201 ORDER BY y;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.26 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=6 AND y>=10201 ORDER BY y;
|
|
}
|
|
} {100 nosort}
|
|
do_test where-7.27 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=0 AND y<4 ORDER BY y DESC;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.28 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=0 AND y<=4 ORDER BY y DESC;
|
|
}
|
|
} {1 nosort}
|
|
do_test where-7.29 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=6 AND y>10201 ORDER BY y DESC;
|
|
}
|
|
} {nosort}
|
|
do_test where-7.30 {
|
|
cksort {
|
|
SELECT w FROM t1 WHERE x=6 AND y>=10201 ORDER BY y DESC;
|
|
}
|
|
} {100 nosort}
|
|
|
|
do_test where-8.1 {
|
|
execsql {
|
|
CREATE TABLE t4 AS SELECT * FROM t1;
|
|
CREATE INDEX i4xy ON t4(x,y);
|
|
}
|
|
cksort {
|
|
SELECT w FROM t4 WHERE x=4 and y<1000 ORDER BY y DESC limit 3;
|
|
}
|
|
} {30 29 28 nosort}
|
|
do_test where-8.2 {
|
|
execsql {
|
|
DELETE FROM t4;
|
|
}
|
|
cksort {
|
|
SELECT w FROM t4 WHERE x=4 and y<1000 ORDER BY y DESC limit 3;
|
|
}
|
|
} {nosort}
|
|
|
|
# Make sure searches with an index work with an empty table.
|
|
#
|
|
do_test where-9.1 {
|
|
execsql {
|
|
CREATE TABLE t5(x PRIMARY KEY);
|
|
SELECT * FROM t5 WHERE x<10;
|
|
}
|
|
} {}
|
|
do_test where-9.2 {
|
|
execsql {
|
|
SELECT * FROM t5 WHERE x<10 ORDER BY x DESC;
|
|
}
|
|
} {}
|
|
do_test where-9.3 {
|
|
execsql {
|
|
SELECT * FROM t5 WHERE x=10;
|
|
}
|
|
} {}
|
|
|
|
do_test where-10.1 {
|
|
execsql {
|
|
SELECT 1 WHERE abs(random())<0
|
|
}
|
|
} {}
|
|
do_test where-10.2 {
|
|
proc tclvar_func {vname} {return [set ::$vname]}
|
|
db function tclvar tclvar_func
|
|
set ::v1 0
|
|
execsql {
|
|
SELECT count(*) FROM t1 WHERE tclvar('v1');
|
|
}
|
|
} {0}
|
|
do_test where-10.3 {
|
|
set ::v1 1
|
|
execsql {
|
|
SELECT count(*) FROM t1 WHERE tclvar('v1');
|
|
}
|
|
} {100}
|
|
do_test where-10.4 {
|
|
set ::v1 1
|
|
proc tclvar_func {vname} {
|
|
upvar #0 $vname v
|
|
set v [expr {!$v}]
|
|
return $v
|
|
}
|
|
execsql {
|
|
SELECT count(*) FROM t1 WHERE tclvar('v1');
|
|
}
|
|
} {50}
|
|
|
|
integrity_check {where-99.0}
|
|
|
|
finish_test
|