sqlite/test/fts2g.test
drh a690ff360b Change the error message text for SQLITE_ERROR to omit the part about
"missing database" as that meaning is now obsolete (since approx SQLite 2.0).

FossilOrigin-Name: 732f90d6327c5c6368fc8b4cc207bd644ef08e3ae6d2e7295258ab099deaba63
2017-07-07 19:43:23 +00:00

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# 2006 October 19
#
# The author disclaims copyright to this source code.
#
#*************************************************************************
# This file implements regression tests for SQLite library. The focus
# of this script is testing handling of edge cases for various doclist
# merging functions in the FTS2 module query logic.
#
# $Id: fts2g.test,v 1.3 2007/11/16 00:23:08 shess Exp $
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# If SQLITE_ENABLE_FTS2 is defined, omit this file.
ifcapable !fts2 {
finish_test
return
}
db eval {
CREATE VIRTUAL TABLE t1 USING fts2(content);
INSERT INTO t1 (rowid, content) VALUES(1, 'this is a test');
INSERT INTO t1 (rowid, content) VALUES(2, 'also a test');
}
# No hits at all. Returns empty doclists from termSelect().
do_test fts2g-1.1 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something'}
} {}
# Empty left in docListExceptMerge().
do_test fts2g-1.2 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH '-this something'}
} {}
# Empty right in docListExceptMerge().
do_test fts2g-1.3 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this -something'}
} {1}
# Empty left in docListPhraseMerge().
do_test fts2g-1.4 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH '"this something"'}
} {}
# Empty right in docListPhraseMerge().
do_test fts2g-1.5 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH '"something is"'}
} {}
# Empty left in docListOrMerge().
do_test fts2g-1.6 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something OR this'}
} {1}
# Empty right in docListOrMerge().
do_test fts2g-1.7 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this OR something'}
} {1}
# Empty left in docListAndMerge().
do_test fts2g-1.8 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something this'}
} {}
# Empty right in docListAndMerge().
do_test fts2g-1.9 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this something'}
} {}
# No support for all-except queries.
do_test fts2g-1.10 {
catchsql {SELECT rowid FROM t1 WHERE t1 MATCH '-this -something'}
} {1 {SQL logic error}}
# Test that docListOrMerge() correctly handles reaching the end of one
# doclist before it reaches the end of the other.
do_test fts2g-1.11 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'this OR also'}
} {1 2}
do_test fts2g-1.12 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'also OR this'}
} {1 2}
# Empty left and right in docListOrMerge(). Each term matches neither
# row, and when combined there was an assertion failure.
do_test fts2g-1.13 {
execsql {SELECT rowid FROM t1 WHERE t1 MATCH 'something OR nothing'}
} {}
finish_test