106 lines
2.4 KiB
Plaintext
106 lines
2.4 KiB
Plaintext
# 2008 December 23
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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 multi-index OR clause optimizer.
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#
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# $Id: where7.test,v 1.2 2008/12/28 18:35:09 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !or_opt {
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finish_test
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return
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}
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# Evaluate SQL. Return the result set followed by the
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# and the number of full-scan steps.
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#
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proc count_steps {sql} {
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set r [db eval $sql]
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lappend r scan [db status step]
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}
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# Build some test data
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#
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do_test where7-1.1 {
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execsql {
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CREATE TABLE t1(a INTEGER PRIMARY KEY,b,c,d);
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INSERT INTO t1 VALUES(1,2,3,4);
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INSERT INTO t1 VALUES(2,3,4,5);
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INSERT INTO t1 VALUES(3,4,6,8);
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INSERT INTO t1 VALUES(4,5,10,15);
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INSERT INTO t1 VALUES(5,10,100,1000);
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CREATE INDEX t1b ON t1(b);
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CREATE INDEX t1c ON t1(c);
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SELECT * FROM t1;
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}
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} {1 2 3 4 2 3 4 5 3 4 6 8 4 5 10 15 5 10 100 1000}
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do_test where7-1.2 {
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count_steps {
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SELECT a FROM t1 WHERE b=3 OR c=6
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}
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} {2 3 scan 0}
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do_test where7-1.3 {
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count_steps {
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SELECT a FROM t1 WHERE b=3 OR +c=6
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}
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} {2 3 scan 4}
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do_test where7-1.4 {
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count_steps {
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SELECT a FROM t1 WHERE +b=3 OR c=6
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}
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} {2 3 scan 4}
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do_test where7-1.5 {
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count_steps {
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SELECT a FROM t1 WHERE 3=b OR c=6
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}
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} {2 3 scan 0}
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do_test where7-1.6 {
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count_steps {
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SELECT a FROM t1 WHERE (3=b OR c=6) AND +a>0
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}
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} {2 3 scan 0}
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do_test where7-1.7 {
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count_steps {
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SELECT a FROM t1 WHERE (b=3 OR c>10)
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}
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} {2 5 scan 0}
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do_test where7-1.8 {
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count_steps {
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SELECT a FROM t1 WHERE (b=3 OR c>=10)
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}
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} {2 4 5 scan 0}
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do_test where7-1.9 {
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count_steps {
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SELECT a FROM t1 WHERE (b=3 OR c>=10 OR c=4)
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}
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} {2 4 5 scan 0}
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do_test where7-1.10 {
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count_steps {
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SELECT a FROM t1 WHERE (b=3 OR c>=10 OR c=4 OR b>10)
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}
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} {2 4 5 scan 0}
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do_test where7-1.11 {
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count_steps {
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SELECT a FROM t1 WHERE (d=5 AND b=3) OR c==100;
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}
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} {2 5 scan 0}
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do_test where7-1.12 {
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breakpoint
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count_steps {
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SELECT a FROM t1 WHERE (b BETWEEN 2 AND 4) OR c=100
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}
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} {1 2 3 5 scan 0}
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finish_test
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