# 2008 June 26 # # 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. The focus # of this script is testing the FTS2 module's optimize() function. # # $Id: fts2q.test,v 1.2 2008/07/22 23:49:44 shess Exp $ # set testdir [file dirname $argv0] source $testdir/tester.tcl # If SQLITE_ENABLE_FTS2 is not defined, omit this file. ifcapable !fts2 { finish_test return } #************************************************************************* # Probe to see if support for the FTS2 dump_* functions is compiled in. # TODO(shess): Change main.mk to do the right thing and remove this test. db eval { DROP TABLE IF EXISTS t1; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'x'); } set s {SELECT dump_terms(t1, 1) FROM t1 LIMIT 1} set r {1 {unable to use function dump_terms in the requested context}} if {[catchsql $s]==$r} { finish_test return } #************************************************************************* # Utility function to check for the expected terms in the segment # level/index. _all version does same but for entire index. proc check_terms {test level index terms} { # TODO(shess): Figure out why uplevel in do_test can't catch # $level and $index directly. set ::level $level set ::index $index do_test $test.terms { execsql { SELECT dump_terms(t1, $::level, $::index) FROM t1 LIMIT 1; } } [list $terms] } proc check_terms_all {test terms} { do_test $test.terms { execsql { SELECT dump_terms(t1) FROM t1 LIMIT 1; } } [list $terms] } # Utility function to check for the expected doclist for the term in # segment level/index. _all version does same for entire index. proc check_doclist {test level index term doclist} { # TODO(shess): Again, why can't the non-:: versions work? set ::term $term set ::level $level set ::index $index do_test $test { execsql { SELECT dump_doclist(t1, $::term, $::level, $::index) FROM t1 LIMIT 1; } } [list $doclist] } proc check_doclist_all {test term doclist} { set ::term $term do_test $test { execsql { SELECT dump_doclist(t1, $::term) FROM t1 LIMIT 1; } } [list $doclist] } #************************************************************************* # Test results when all rows are deleted and one is added back. # Previously older segments would continue to exist, but now the index # should be dropped when the table is empty. The results should look # exactly like we never added the earlier rows in the first place. db eval { DROP TABLE IF EXISTS t1; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test'); INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test'); DELETE FROM t1 WHERE 1=1; -- Delete each row rather than dropping table. INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); } # Should be a single initial segment. do_test fts2q-1.segments { execsql { SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {0 0} do_test fts2q-1.matches { execsql { SELECT OFFSETS(t1) FROM t1 WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid; } } {{0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}} check_terms_all fts2q-1.1 {a is test this} check_doclist_all fts2q-1.1.1 a {[1 0[2]]} check_doclist_all fts2q-1.1.2 is {[1 0[1]]} check_doclist_all fts2q-1.1.3 test {[1 0[3]]} check_doclist_all fts2q-1.1.4 this {[1 0[0]]} check_terms fts2q-1.2 0 0 {a is test this} check_doclist fts2q-1.2.1 0 0 a {[1 0[2]]} check_doclist fts2q-1.2.2 0 0 is {[1 0[1]]} check_doclist fts2q-1.2.3 0 0 test {[1 0[3]]} check_doclist fts2q-1.2.4 0 0 this {[1 0[0]]} #************************************************************************* # Test results when everything is optimized manually. # NOTE(shess): This is a copy of fts2c-1.3. I've pulled a copy here # because fts2q-2 and fts2q-3 should have identical results. db eval { DROP TABLE IF EXISTS t1; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test'); INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test'); DELETE FROM t1 WHERE rowid IN (1,3); DROP TABLE IF EXISTS t1old; ALTER TABLE t1 RENAME TO t1old; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) SELECT rowid, c FROM t1old; DROP TABLE t1old; } # Should be a single optimal segment with the same logical results. do_test fts2q-2.segments { execsql { SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {0 0} do_test fts2q-2.matches { execsql { SELECT OFFSETS(t1) FROM t1 WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid; } } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}} check_terms_all fts2q-2.1 {a test that was} check_doclist_all fts2q-2.1.1 a {[2 0[2]]} check_doclist_all fts2q-2.1.2 test {[2 0[3]]} check_doclist_all fts2q-2.1.3 that {[2 0[0]]} check_doclist_all fts2q-2.1.4 was {[2 0[1]]} check_terms fts2q-2.2 0 0 {a test that was} check_doclist fts2q-2.2.1 0 0 a {[2 0[2]]} check_doclist fts2q-2.2.2 0 0 test {[2 0[3]]} check_doclist fts2q-2.2.3 0 0 that {[2 0[0]]} check_doclist fts2q-2.2.4 0 0 was {[2 0[1]]} #************************************************************************* # Test results when everything is optimized via optimize(). db eval { DROP TABLE IF EXISTS t1; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test'); INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test'); DELETE FROM t1 WHERE rowid IN (1,3); SELECT OPTIMIZE(t1) FROM t1 LIMIT 1; } # Should be a single optimal segment with the same logical results. do_test fts2q-3.segments { execsql { SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {0 0} do_test fts2q-3.matches { execsql { SELECT OFFSETS(t1) FROM t1 WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid; } } {{0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4}} check_terms_all fts2q-3.1 {a test that was} check_doclist_all fts2q-3.1.1 a {[2 0[2]]} check_doclist_all fts2q-3.1.2 test {[2 0[3]]} check_doclist_all fts2q-3.1.3 that {[2 0[0]]} check_doclist_all fts2q-3.1.4 was {[2 0[1]]} check_terms fts2q-3.2 0 0 {a test that was} check_doclist fts2q-3.2.1 0 0 a {[2 0[2]]} check_doclist fts2q-3.2.2 0 0 test {[2 0[3]]} check_doclist fts2q-3.2.3 0 0 that {[2 0[0]]} check_doclist fts2q-3.2.4 0 0 was {[2 0[1]]} #************************************************************************* # Test optimize() against a table involving segment merges. # NOTE(shess): Since there's no transaction, each of the INSERT/UPDATE # statements generates a segment. db eval { DROP TABLE IF EXISTS t1; CREATE VIRTUAL TABLE t1 USING fts2(c); INSERT INTO t1 (rowid, c) VALUES (1, 'This is a test'); INSERT INTO t1 (rowid, c) VALUES (2, 'That was a test'); INSERT INTO t1 (rowid, c) VALUES (3, 'This is a test'); UPDATE t1 SET c = 'This is a test one' WHERE rowid = 1; UPDATE t1 SET c = 'That was a test one' WHERE rowid = 2; UPDATE t1 SET c = 'This is a test one' WHERE rowid = 3; UPDATE t1 SET c = 'This is a test two' WHERE rowid = 1; UPDATE t1 SET c = 'That was a test two' WHERE rowid = 2; UPDATE t1 SET c = 'This is a test two' WHERE rowid = 3; UPDATE t1 SET c = 'This is a test three' WHERE rowid = 1; UPDATE t1 SET c = 'That was a test three' WHERE rowid = 2; UPDATE t1 SET c = 'This is a test three' WHERE rowid = 3; UPDATE t1 SET c = 'This is a test four' WHERE rowid = 1; UPDATE t1 SET c = 'That was a test four' WHERE rowid = 2; UPDATE t1 SET c = 'This is a test four' WHERE rowid = 3; UPDATE t1 SET c = 'This is a test' WHERE rowid = 1; UPDATE t1 SET c = 'That was a test' WHERE rowid = 2; UPDATE t1 SET c = 'This is a test' WHERE rowid = 3; } # 2 segments in level 0, 1 in level 1 (18 segments created, 16 # merged). do_test fts2q-4.segments { execsql { SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {0 0 0 1 1 0} do_test fts2q-4.matches { execsql { SELECT OFFSETS(t1) FROM t1 WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid; } } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \ {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \ {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}] check_terms_all fts2q-4.1 {a four is one test that this three two was} check_doclist_all fts2q-4.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]} check_doclist_all fts2q-4.1.2 four {} check_doclist_all fts2q-4.1.3 is {[1 0[1]] [3 0[1]]} check_doclist_all fts2q-4.1.4 one {} check_doclist_all fts2q-4.1.5 test {[1 0[3]] [2 0[3]] [3 0[3]]} check_doclist_all fts2q-4.1.6 that {[2 0[0]]} check_doclist_all fts2q-4.1.7 this {[1 0[0]] [3 0[0]]} check_doclist_all fts2q-4.1.8 three {} check_doclist_all fts2q-4.1.9 two {} check_doclist_all fts2q-4.1.10 was {[2 0[1]]} check_terms fts2q-4.2 0 0 {a four test that was} check_doclist fts2q-4.2.1 0 0 a {[2 0[2]]} check_doclist fts2q-4.2.2 0 0 four {[2]} check_doclist fts2q-4.2.3 0 0 test {[2 0[3]]} check_doclist fts2q-4.2.4 0 0 that {[2 0[0]]} check_doclist fts2q-4.2.5 0 0 was {[2 0[1]]} check_terms fts2q-4.3 0 1 {a four is test this} check_doclist fts2q-4.3.1 0 1 a {[3 0[2]]} check_doclist fts2q-4.3.2 0 1 four {[3]} check_doclist fts2q-4.3.3 0 1 is {[3 0[1]]} check_doclist fts2q-4.3.4 0 1 test {[3 0[3]]} check_doclist fts2q-4.3.5 0 1 this {[3 0[0]]} check_terms fts2q-4.4 1 0 {a four is one test that this three two was} check_doclist fts2q-4.4.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]} check_doclist fts2q-4.4.2 1 0 four {[1] [2 0[4]] [3 0[4]]} check_doclist fts2q-4.4.3 1 0 is {[1 0[1]] [3 0[1]]} check_doclist fts2q-4.4.4 1 0 one {[1] [2] [3]} check_doclist fts2q-4.4.5 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]} check_doclist fts2q-4.4.6 1 0 that {[2 0[0]]} check_doclist fts2q-4.4.7 1 0 this {[1 0[0]] [3 0[0]]} check_doclist fts2q-4.4.8 1 0 three {[1] [2] [3]} check_doclist fts2q-4.4.9 1 0 two {[1] [2] [3]} check_doclist fts2q-4.4.10 1 0 was {[2 0[1]]} # Optimize should leave the result in the level of the highest-level # prior segment. do_test fts2q-4.5 { execsql { SELECT OPTIMIZE(t1) FROM t1 LIMIT 1; SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {{Index optimized} 1 0} # Identical to fts2q-4.matches. do_test fts2q-4.5.matches { execsql { SELECT OFFSETS(t1) FROM t1 WHERE t1 MATCH 'this OR that OR was OR a OR is OR test' ORDER BY rowid; } } [list {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4} \ {0 1 0 4 0 2 5 3 0 3 9 1 0 5 11 4} \ {0 0 0 4 0 4 5 2 0 3 8 1 0 5 10 4}] check_terms_all fts2q-4.5.1 {a is test that this was} check_doclist_all fts2q-4.5.1.1 a {[1 0[2]] [2 0[2]] [3 0[2]]} check_doclist_all fts2q-4.5.1.2 is {[1 0[1]] [3 0[1]]} check_doclist_all fts2q-4.5.1.3 test {[1 0[3]] [2 0[3]] [3 0[3]]} check_doclist_all fts2q-4.5.1.4 that {[2 0[0]]} check_doclist_all fts2q-4.5.1.5 this {[1 0[0]] [3 0[0]]} check_doclist_all fts2q-4.5.1.6 was {[2 0[1]]} check_terms fts2q-4.5.2 1 0 {a is test that this was} check_doclist fts2q-4.5.2.1 1 0 a {[1 0[2]] [2 0[2]] [3 0[2]]} check_doclist fts2q-4.5.2.2 1 0 is {[1 0[1]] [3 0[1]]} check_doclist fts2q-4.5.2.3 1 0 test {[1 0[3]] [2 0[3]] [3 0[3]]} check_doclist fts2q-4.5.2.4 1 0 that {[2 0[0]]} check_doclist fts2q-4.5.2.5 1 0 this {[1 0[0]] [3 0[0]]} check_doclist fts2q-4.5.2.6 1 0 was {[2 0[1]]} # Re-optimizing does nothing. do_test fts2q-5.0 { execsql { SELECT OPTIMIZE(t1) FROM t1 LIMIT 1; SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {{Index already optimal} 1 0} # Even if we move things around, still does nothing. do_test fts2q-5.1 { execsql { UPDATE t1_segdir SET level = 2 WHERE level = 1 AND idx = 0; SELECT OPTIMIZE(t1) FROM t1 LIMIT 1; SELECT level, idx FROM t1_segdir ORDER BY level, idx; } } {{Index already optimal} 2 0} finish_test