347 lines
12 KiB
Plaintext
347 lines
12 KiB
Plaintext
# 2008 June 26
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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 focus
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# of this script is testing the FTS2 module's optimize() function.
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#
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# $Id: fts2q.test,v 1.2 2008/07/22 23:49:44 shess Exp $
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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 SQLITE_ENABLE_FTS2 is not defined, omit this file.
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ifcapable !fts2 {
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finish_test
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return
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}
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#*************************************************************************
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# Probe to see if support for the FTS2 dump_* functions is compiled in.
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# TODO(shess): Change main.mk to do the right thing and remove this test.
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) VALUES (1, 'x');
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}
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set s {SELECT dump_terms(t1, 1) FROM t1 LIMIT 1}
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set r {1 {unable to use function dump_terms in the requested context}}
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if {[catchsql $s]==$r} {
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finish_test
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return
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}
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#*************************************************************************
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# Utility function to check for the expected terms in the segment
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# level/index. _all version does same but for entire index.
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proc check_terms {test level index terms} {
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# TODO(shess): Figure out why uplevel in do_test can't catch
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# $level and $index directly.
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set ::level $level
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set ::index $index
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do_test $test.terms {
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execsql {
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SELECT dump_terms(t1, $::level, $::index) FROM t1 LIMIT 1;
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}
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} [list $terms]
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}
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proc check_terms_all {test terms} {
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do_test $test.terms {
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execsql {
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SELECT dump_terms(t1) FROM t1 LIMIT 1;
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}
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} [list $terms]
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}
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# Utility function to check for the expected doclist for the term in
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# segment level/index. _all version does same for entire index.
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proc check_doclist {test level index term doclist} {
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# TODO(shess): Again, why can't the non-:: versions work?
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set ::term $term
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set ::level $level
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set ::index $index
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do_test $test {
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execsql {
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SELECT dump_doclist(t1, $::term, $::level, $::index) FROM t1 LIMIT 1;
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}
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} [list $doclist]
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}
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proc check_doclist_all {test term doclist} {
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set ::term $term
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do_test $test {
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execsql {
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SELECT dump_doclist(t1, $::term) FROM t1 LIMIT 1;
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}
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} [list $doclist]
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}
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#*************************************************************************
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# Test results when all rows are deleted and one is added back.
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# Previously older segments would continue to exist, but now the index
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# should be dropped when the table is empty. The results should look
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# exactly like we never added the earlier rows in the first place.
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
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INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
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INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
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DELETE FROM t1 WHERE 1=1; -- Delete each row rather than dropping table.
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INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
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}
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# Should be a single initial segment.
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do_test fts2q-1.segments {
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execsql {
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {0 0}
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do_test fts2q-1.matches {
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execsql {
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SELECT OFFSETS(t1) FROM t1
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WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
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}
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} {{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}}
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check_terms_all fts2q-1.1 {a is test this}
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check_doclist_all fts2q-1.1.1 a {[1 0[2]]}
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check_doclist_all fts2q-1.1.2 is {[1 0[1]]}
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check_doclist_all fts2q-1.1.3 test {[1 0[3]]}
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check_doclist_all fts2q-1.1.4 this {[1 0[0]]}
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check_terms fts2q-1.2 0 0 {a is test this}
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check_doclist fts2q-1.2.1 0 0 a {[1 0[2]]}
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check_doclist fts2q-1.2.2 0 0 is {[1 0[1]]}
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check_doclist fts2q-1.2.3 0 0 test {[1 0[3]]}
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check_doclist fts2q-1.2.4 0 0 this {[1 0[0]]}
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#*************************************************************************
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# Test results when everything is optimized manually.
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# NOTE(shess): This is a copy of fts2c-1.3. I've pulled a copy here
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# because fts2q-2 and fts2q-3 should have identical results.
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
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INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
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INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
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DELETE FROM t1 WHERE rowid IN (1,3);
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DROP TABLE IF EXISTS t1old;
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ALTER TABLE t1 RENAME TO t1old;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) SELECT rowid, c FROM t1old;
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DROP TABLE t1old;
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}
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# Should be a single optimal segment with the same logical results.
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do_test fts2q-2.segments {
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execsql {
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {0 0}
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do_test fts2q-2.matches {
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execsql {
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SELECT OFFSETS(t1) FROM t1
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WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
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}
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} {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
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check_terms_all fts2q-2.1 {a test that was}
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check_doclist_all fts2q-2.1.1 a {[2 0[2]]}
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check_doclist_all fts2q-2.1.2 test {[2 0[3]]}
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check_doclist_all fts2q-2.1.3 that {[2 0[0]]}
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check_doclist_all fts2q-2.1.4 was {[2 0[1]]}
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check_terms fts2q-2.2 0 0 {a test that was}
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check_doclist fts2q-2.2.1 0 0 a {[2 0[2]]}
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check_doclist fts2q-2.2.2 0 0 test {[2 0[3]]}
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check_doclist fts2q-2.2.3 0 0 that {[2 0[0]]}
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check_doclist fts2q-2.2.4 0 0 was {[2 0[1]]}
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#*************************************************************************
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# Test results when everything is optimized via optimize().
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
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INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
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INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
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DELETE FROM t1 WHERE rowid IN (1,3);
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SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
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}
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# Should be a single optimal segment with the same logical results.
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do_test fts2q-3.segments {
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execsql {
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {0 0}
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do_test fts2q-3.matches {
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execsql {
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SELECT OFFSETS(t1) FROM t1
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WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
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}
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} {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}}
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check_terms_all fts2q-3.1 {a test that was}
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check_doclist_all fts2q-3.1.1 a {[2 0[2]]}
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check_doclist_all fts2q-3.1.2 test {[2 0[3]]}
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check_doclist_all fts2q-3.1.3 that {[2 0[0]]}
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check_doclist_all fts2q-3.1.4 was {[2 0[1]]}
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check_terms fts2q-3.2 0 0 {a test that was}
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check_doclist fts2q-3.2.1 0 0 a {[2 0[2]]}
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check_doclist fts2q-3.2.2 0 0 test {[2 0[3]]}
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check_doclist fts2q-3.2.3 0 0 that {[2 0[0]]}
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check_doclist fts2q-3.2.4 0 0 was {[2 0[1]]}
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#*************************************************************************
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# Test optimize() against a table involving segment merges.
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# NOTE(shess): Since there's no transaction, each of the INSERT/UPDATE
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# statements generates a segment.
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db eval {
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DROP TABLE IF EXISTS t1;
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CREATE VIRTUAL TABLE t1 USING fts2(c);
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INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test');
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INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test');
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INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test');
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UPDATE t1 SET c = 'This is a test one' WHERE rowid = 1;
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UPDATE t1 SET c = 'That was a test one' WHERE rowid = 2;
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UPDATE t1 SET c = 'This is a test one' WHERE rowid = 3;
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UPDATE t1 SET c = 'This is a test two' WHERE rowid = 1;
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UPDATE t1 SET c = 'That was a test two' WHERE rowid = 2;
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UPDATE t1 SET c = 'This is a test two' WHERE rowid = 3;
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UPDATE t1 SET c = 'This is a test three' WHERE rowid = 1;
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UPDATE t1 SET c = 'That was a test three' WHERE rowid = 2;
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UPDATE t1 SET c = 'This is a test three' WHERE rowid = 3;
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UPDATE t1 SET c = 'This is a test four' WHERE rowid = 1;
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UPDATE t1 SET c = 'That was a test four' WHERE rowid = 2;
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UPDATE t1 SET c = 'This is a test four' WHERE rowid = 3;
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UPDATE t1 SET c = 'This is a test' WHERE rowid = 1;
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UPDATE t1 SET c = 'That was a test' WHERE rowid = 2;
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UPDATE t1 SET c = 'This is a test' WHERE rowid = 3;
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}
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# 2 segments in level 0, 1 in level 1 (18 segments created, 16
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# merged).
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do_test fts2q-4.segments {
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execsql {
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {0 0 0 1 1 0}
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do_test fts2q-4.matches {
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execsql {
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SELECT OFFSETS(t1) FROM t1
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WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
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}
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} [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
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{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
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{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
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check_terms_all fts2q-4.1 {a four is one test that this three two was}
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check_doclist_all fts2q-4.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
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check_doclist_all fts2q-4.1.2 four {}
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check_doclist_all fts2q-4.1.3 is {[1 0[1]] [3 0[1]]}
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check_doclist_all fts2q-4.1.4 one {}
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check_doclist_all fts2q-4.1.5 test {[1 0[3]] [2 0[3]] [3 0[3]]}
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check_doclist_all fts2q-4.1.6 that {[2 0[0]]}
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check_doclist_all fts2q-4.1.7 this {[1 0[0]] [3 0[0]]}
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check_doclist_all fts2q-4.1.8 three {}
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check_doclist_all fts2q-4.1.9 two {}
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check_doclist_all fts2q-4.1.10 was {[2 0[1]]}
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check_terms fts2q-4.2 0 0 {a four test that was}
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check_doclist fts2q-4.2.1 0 0 a {[2 0[2]]}
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check_doclist fts2q-4.2.2 0 0 four {[2]}
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check_doclist fts2q-4.2.3 0 0 test {[2 0[3]]}
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check_doclist fts2q-4.2.4 0 0 that {[2 0[0]]}
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check_doclist fts2q-4.2.5 0 0 was {[2 0[1]]}
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check_terms fts2q-4.3 0 1 {a four is test this}
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check_doclist fts2q-4.3.1 0 1 a {[3 0[2]]}
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check_doclist fts2q-4.3.2 0 1 four {[3]}
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check_doclist fts2q-4.3.3 0 1 is {[3 0[1]]}
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check_doclist fts2q-4.3.4 0 1 test {[3 0[3]]}
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check_doclist fts2q-4.3.5 0 1 this {[3 0[0]]}
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check_terms fts2q-4.4 1 0 {a four is one test that this three two was}
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check_doclist fts2q-4.4.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
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check_doclist fts2q-4.4.2 1 0 four {[1] [2 0[4]] [3 0[4]]}
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check_doclist fts2q-4.4.3 1 0 is {[1 0[1]] [3 0[1]]}
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check_doclist fts2q-4.4.4 1 0 one {[1] [2] [3]}
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check_doclist fts2q-4.4.5 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
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check_doclist fts2q-4.4.6 1 0 that {[2 0[0]]}
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check_doclist fts2q-4.4.7 1 0 this {[1 0[0]] [3 0[0]]}
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check_doclist fts2q-4.4.8 1 0 three {[1] [2] [3]}
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check_doclist fts2q-4.4.9 1 0 two {[1] [2] [3]}
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check_doclist fts2q-4.4.10 1 0 was {[2 0[1]]}
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# Optimize should leave the result in the level of the highest-level
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# prior segment.
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do_test fts2q-4.5 {
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execsql {
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SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {{Index optimized} 1 0}
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# Identical to fts2q-4.matches.
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do_test fts2q-4.5.matches {
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execsql {
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SELECT OFFSETS(t1) FROM t1
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WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid;
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}
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} [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \
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{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \
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{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}]
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check_terms_all fts2q-4.5.1 {a is test that this was}
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check_doclist_all fts2q-4.5.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]}
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check_doclist_all fts2q-4.5.1.2 is {[1 0[1]] [3 0[1]]}
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check_doclist_all fts2q-4.5.1.3 test {[1 0[3]] [2 0[3]] [3 0[3]]}
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check_doclist_all fts2q-4.5.1.4 that {[2 0[0]]}
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check_doclist_all fts2q-4.5.1.5 this {[1 0[0]] [3 0[0]]}
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check_doclist_all fts2q-4.5.1.6 was {[2 0[1]]}
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check_terms fts2q-4.5.2 1 0 {a is test that this was}
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check_doclist fts2q-4.5.2.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]}
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check_doclist fts2q-4.5.2.2 1 0 is {[1 0[1]] [3 0[1]]}
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check_doclist fts2q-4.5.2.3 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]}
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check_doclist fts2q-4.5.2.4 1 0 that {[2 0[0]]}
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check_doclist fts2q-4.5.2.5 1 0 this {[1 0[0]] [3 0[0]]}
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check_doclist fts2q-4.5.2.6 1 0 was {[2 0[1]]}
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# Re-optimizing does nothing.
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do_test fts2q-5.0 {
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execsql {
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SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {{Index already optimal} 1 0}
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# Even if we move things around, still does nothing.
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do_test fts2q-5.1 {
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execsql {
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UPDATE t1_segdir SET level = 2 WHERE level = 1 AND idx = 0;
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SELECT OPTIMIZE(t1) FROM t1 LIMIT 1;
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SELECT level, idx FROM t1_segdir ORDER BY level, idx;
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}
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} {{Index already optimal} 2 0}
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finish_test
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