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Annotation of embedaddon/sqlite3/test/fts3comp1.test, revision 1.1.1.1

1.1       misho       1: # 2011 January 27
                      2: #
                      3: # The author disclaims copyright to this source code.  In place of
                      4: # a legal notice, here is a blessing:
                      5: #
                      6: #    May you do good and not evil.
                      7: #    May you find forgiveness for yourself and forgive others.
                      8: #    May you share freely, never taking more than you give.
                      9: #
                     10: #*************************************************************************
                     11: # This file implements regression tests for SQLite library.  The
                     12: # focus of this script is testing the FTS3 module.
                     13: #
                     14: 
                     15: set testdir [file dirname $argv0]
                     16: source $testdir/tester.tcl
                     17: ifcapable !fts3 { finish_test ; return }
                     18: set ::testprefix fts3comp1
                     19: 
                     20: # Create a pretend compression system. 
                     21: #
                     22: # Each time the [zip] function is called, an entry is added to the ::strings
                     23: # array mapping from an integer key to the string argument to zip. The key
                     24: # is returned. Later on, when the key is passed to [unzip], the original
                     25: # string is retrieved from the ::strings array and returned.
                     26: #
                     27: set next_x 0
                     28: proc zip {x} {
                     29:  incr ::next_x
                     30:  set ::strings($::next_x) $x
                     31:  return $::next_x
                     32: }
                     33: proc unzip {x} {
                     34:   return $::strings($x)
                     35: }
                     36: 
                     37: foreach {tn zip unzip} {
                     38:   1   zip   unzip
                     39:   2   {z.i.p!!}    {un "zip"}
                     40: } {
                     41: 
                     42:   set next_x 0
                     43:   catch {db close}
                     44:   forcedelete test.db
                     45:   sqlite3 db test.db
                     46:   db func $zip zip
                     47:   db func $unzip unzip
                     48:   
                     49:   # Create a table that uses zip/unzip. Check that content inserted into
                     50:   # the table can be read back (using a full-scan query). Check that the
                     51:   # underlying %_content table contains the compressed (integer) values.
                     52:   #
                     53:   do_execsql_test 1.$tn.0 "
                     54:     CREATE VIRTUAL TABLE t1 USING fts4(
                     55:       a, b, 
                     56:       compress='$zip', uncompress='$unzip'
                     57:     );
                     58:   "
                     59:   do_execsql_test 1.$tn.1 {
                     60:     INSERT INTO t1 VALUES('one two three', 'two four six');
                     61:     SELECT a, b FROM t1;
                     62:   } {{one two three} {two four six}}
                     63:   do_execsql_test 1.$tn.2 {
                     64:     SELECT c0a, c1b FROM t1_content;
                     65:   } {1 2}
                     66:   
                     67:   # Insert another row and check that it can be read back. Also that the
                     68:   # %_content table still contains all compressed content. This time, try
                     69:   # full-text index and by-docid queries too.
                     70:   #
                     71:   do_execsql_test 1.$tn.3 {
                     72:     INSERT INTO t1 VALUES('three six nine', 'four eight twelve');
                     73:     SELECT a, b FROM t1;
                     74:   } {{one two three} {two four six} {three six nine} {four eight twelve}}
                     75:   do_execsql_test 1.$tn.4 {
                     76:     SELECT c0a, c1b FROM t1_content;
                     77:   } {1 2 3 4}
                     78:   
                     79:   do_execsql_test 1.$tn.5 {
                     80:     SELECT a, b FROM t1 WHERE docid = 2
                     81:   } {{three six nine} {four eight twelve}}
                     82:   do_execsql_test 1.$tn.6 {
                     83:     SELECT a, b FROM t1 WHERE t1 MATCH 'two'
                     84:   } {{one two three} {two four six}}
                     85:   
                     86:   # Delete a row and check that the full-text index is correctly updated.
                     87:   # Inspect the full-text index using an fts4aux table.
                     88:   #
                     89:   do_execsql_test 1.$tn.7 {
                     90:     CREATE VIRTUAL TABLE terms USING fts4aux(t1);
                     91:     SELECT term, documents, occurrences FROM terms WHERE col = '*';
                     92:   } {
                     93:     eight 1 1    four 2 2    nine 1 1    one 1 1 
                     94:     six 2 2      three 2 2   twelve 1 1  two 1 2
                     95:   }
                     96:   do_execsql_test 1.$tn.8 {
                     97:     DELETE FROM t1 WHERE docid = 1;
                     98:     SELECT term, documents, occurrences FROM terms WHERE col = '*';
                     99:   } {
                    100:     eight 1 1   four 1 1    nine 1 1 
                    101:     six 1 1     three 1 1   twelve 1 1
                    102:   }
                    103:   do_execsql_test 1.$tn.9 { SELECT c0a, c1b FROM t1_content } {3 4}
                    104: }
                    105: 
                    106: # Test that is an error to specify just one of compress and uncompress.
                    107: #
                    108: do_catchsql_test 2.1 {
                    109:   CREATE VIRTUAL TABLE t2 USING fts4(x, compress=zip)
                    110: } {1 {missing uncompress parameter in fts4 constructor}}
                    111: do_catchsql_test 2.2 {
                    112:   CREATE VIRTUAL TABLE t2 USING fts4(x, uncompress=unzip)
                    113: } {1 {missing compress parameter in fts4 constructor}}
                    114: 
                    115: finish_test