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sqlite3

# 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 deletions in the FTS1 module.
#
# $Id: fts1e.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# If SQLITE_ENABLE_FTS1 is defined, omit this file.
ifcapable !fts1 {
  finish_test
  return
}

# Construct a full-text search table containing keywords which are the
# ordinal numbers of the bit positions set for a sequence of integers,
# which are used for the rowid.  There are a total of 30 INSERT and
# DELETE statements, so that we'll test both the segmentMerge() merge
# (over the first 16) and the termSelect() merge (over the level-1
# segment and 14 level-0 segments).
db eval {
  CREATE VIRTUAL TABLE t1 USING fts1(content);
  INSERT INTO t1 (rowid, content) VALUES(1, 'one');
  INSERT INTO t1 (rowid, content) VALUES(2, 'two');
  INSERT INTO t1 (rowid, content) VALUES(3, 'one two');
  INSERT INTO t1 (rowid, content) VALUES(4, 'three');
  DELETE FROM t1 WHERE rowid = 1;
  INSERT INTO t1 (rowid, content) VALUES(5, 'one three');
  INSERT INTO t1 (rowid, content) VALUES(6, 'two three');
  INSERT INTO t1 (rowid, content) VALUES(7, 'one two three');
  DELETE FROM t1 WHERE rowid = 4;
  INSERT INTO t1 (rowid, content) VALUES(8, 'four');
  INSERT INTO t1 (rowid, content) VALUES(9, 'one four');
  INSERT INTO t1 (rowid, content) VALUES(10, 'two four');
  DELETE FROM t1 WHERE rowid = 7;
  INSERT INTO t1 (rowid, content) VALUES(11, 'one two four');
  INSERT INTO t1 (rowid, content) VALUES(12, 'three four');
  INSERT INTO t1 (rowid, content) VALUES(13, 'one three four');
  DELETE FROM t1 WHERE rowid = 10;
  INSERT INTO t1 (rowid, content) VALUES(14, 'two three four');
  INSERT INTO t1 (rowid, content) VALUES(15, 'one two three four');
  INSERT INTO t1 (rowid, content) VALUES(16, 'five');
  DELETE FROM t1 WHERE rowid = 13;
  INSERT INTO t1 (rowid, content) VALUES(17, 'one five');
  INSERT INTO t1 (rowid, content) VALUES(18, 'two five');
  INSERT INTO t1 (rowid, content) VALUES(19, 'one two five');
  DELETE FROM t1 WHERE rowid = 16;
  INSERT INTO t1 (rowid, content) VALUES(20, 'three five');
  INSERT INTO t1 (rowid, content) VALUES(21, 'one three five');
  INSERT INTO t1 (rowid, content) VALUES(22, 'two three five');
  DELETE FROM t1 WHERE rowid = 19;
  DELETE FROM t1 WHERE rowid = 22;
}

do_test fts1f-1.1 {
  execsql {SELECT COUNT(*) FROM t1}
} {14}

do_test fts1e-2.1 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'one'}
} {3 5 9 11 15 17 21}

do_test fts1e-2.2 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'two'}
} {2 3 6 11 14 15 18}

do_test fts1e-2.3 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'three'}
} {5 6 12 14 15 20 21}

do_test fts1e-2.4 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'four'}
} {8 9 11 12 14 15}

do_test fts1e-2.5 {
  execsql {SELECT rowid FROM t1 WHERE content MATCH 'five'}
} {17 18 20 21}

finish_test