# 2011 January 27 # # 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 FTS3 module. # set testdir [file dirname $argv0] source $testdir/tester.tcl ifcapable !fts3 { finish_test ; return } set ::testprefix fts3comp1 # Create a pretend compression system. # # Each time the [zip] function is called, an entry is added to the ::strings # array mapping from an integer key to the string argument to zip. The key # is returned. Later on, when the key is passed to [unzip], the original # string is retrieved from the ::strings array and returned. # set next_x 0 proc zip {x} { incr ::next_x set ::strings($::next_x) $x return $::next_x } proc unzip {x} { return $::strings($x) } foreach {tn zip unzip} { 1 zip unzip 2 {z.i.p!!} {un "zip"} } { set next_x 0 catch {db close} forcedelete test.db sqlite3 db test.db db func $zip zip db func $unzip unzip # Create a table that uses zip/unzip. Check that content inserted into # the table can be read back (using a full-scan query). Check that the # underlying %_content table contains the compressed (integer) values. # do_execsql_test 1.$tn.0 " CREATE VIRTUAL TABLE t1 USING fts4( a, b, compress='$zip', uncompress='$unzip' ); " do_execsql_test 1.$tn.1 { INSERT INTO t1 VALUES('one two three', 'two four six'); SELECT a, b FROM t1; } {{one two three} {two four six}} do_execsql_test 1.$tn.2 { SELECT c0a, c1b FROM t1_content; } {1 2} # Insert another row and check that it can be read back. Also that the # %_content table still contains all compressed content. This time, try # full-text index and by-docid queries too. # do_execsql_test 1.$tn.3 { INSERT INTO t1 VALUES('three six nine', 'four eight twelve'); SELECT a, b FROM t1; } {{one two three} {two four six} {three six nine} {four eight twelve}} do_execsql_test 1.$tn.4 { SELECT c0a, c1b FROM t1_content; } {1 2 3 4} do_execsql_test 1.$tn.5 { SELECT a, b FROM t1 WHERE docid = 2 } {{three six nine} {four eight twelve}} do_execsql_test 1.$tn.6 { SELECT a, b FROM t1 WHERE t1 MATCH 'two' } {{one two three} {two four six}} # Delete a row and check that the full-text index is correctly updated. # Inspect the full-text index using an fts4aux table. # do_execsql_test 1.$tn.7 { CREATE VIRTUAL TABLE terms USING fts4aux(t1); SELECT term, documents, occurrences FROM terms WHERE col = '*'; } { eight 1 1 four 2 2 nine 1 1 one 1 1 six 2 2 three 2 2 twelve 1 1 two 1 2 } do_execsql_test 1.$tn.8 { DELETE FROM t1 WHERE docid = 1; SELECT term, documents, occurrences FROM terms WHERE col = '*'; } { eight 1 1 four 1 1 nine 1 1 six 1 1 three 1 1 twelve 1 1 } do_execsql_test 1.$tn.9 { SELECT c0a, c1b FROM t1_content } {3 4} } # Test that is an error to specify just one of compress and uncompress. # do_catchsql_test 2.1 { CREATE VIRTUAL TABLE t2 USING fts4(x, compress=zip) } {1 {missing uncompress parameter in fts4 constructor}} do_catchsql_test 2.2 { CREATE VIRTUAL TABLE t2 USING fts4(x, uncompress=unzip) } {1 {missing compress parameter in fts4 constructor}} finish_test