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94 lines
2.3 KiB
Plaintext
94 lines
2.3 KiB
Plaintext
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# 2010 April 07
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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 script is testing automatic index creation logic.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# If the library is not compiled with automatic index support then
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# skip all tests in this file.
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#
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ifcapable {!autoindex} {
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finish_test
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return
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}
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# With automatic index turned off, we do a full scan of the T2 table
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do_test autoindex1-100 {
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db eval {
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CREATE TABLE t1(a,b);
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INSERT INTO t1 VALUES(1,11);
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INSERT INTO t1 VALUES(2,22);
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INSERT INTO t1 SELECT a+2, b+22 FROM t1;
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INSERT INTO t1 SELECT a+4, b+44 FROM t1;
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CREATE TABLE t2(c,d);
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INSERT INTO t2 SELECT a, 900+b FROM t1;
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}
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db eval {
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PRAGMA automatic_index=OFF;
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SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b;
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}
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} {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
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do_test autoindex1-101 {
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db status step
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} {63}
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do_test autoindex1-102 {
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db status autoindex
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} {0}
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# With autoindex turned on, we build an index once and then use that index
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# to find T2 values.
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do_test autoindex1-110 {
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db eval {
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PRAGMA automatic_index=ON;
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SELECT b, d FROM t1 JOIN t2 ON a=c ORDER BY b;
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}
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} {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
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do_test autoindex1-111 {
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db status step
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} {7}
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do_test autoindex1-112 {
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db status autoindex
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} {7}
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# The same test as above, but this time the T2 query is a subquery rather
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# than a join.
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do_test autoindex1-200 {
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db eval {
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PRAGMA automatic_index=OFF;
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SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1;
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}
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} {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
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do_test autoindex1-201 {
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db status step
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} {35}
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do_test autoindex1-202 {
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db status autoindex
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} {0}
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do_test autoindex1-210 {
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db eval {
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PRAGMA automatic_index=ON;
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SELECT b, (SELECT d FROM t2 WHERE c=a) FROM t1;
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}
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} {11 911 22 922 33 933 44 944 55 955 66 966 77 977 88 988}
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do_test autoindex1-211 {
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db status step
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} {7}
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do_test autoindex1-212 {
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db status autoindex
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} {7}
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finish_test
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