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SQLite training in Houston TX on 2019-11-05 (details)
Part of the 2019 Tcl Conference

Artifact c7ebf4a4937594aa07459e3e1bca1251c1be8659:


# 2007 March 9
#
# The author disclaims copyright to this source code.
#
#*************************************************************************
# This file implements regression tests for SQLite library.  These
# make sure that fts2 insertion buffering is fully transparent when
# using transactions.
#
# $Id: fts2k.test,v 1.2 2007/08/10 23:47:04 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, "hello world");
  INSERT INTO t1 (rowid, content) VALUES(2, "hello there");
  INSERT INTO t1 (rowid, content) VALUES(3, "cruel world");
}

# Test that possibly-buffered inserts went through after commit.
do_test fts2k-1.1 {
  execsql {
    BEGIN TRANSACTION;
    INSERT INTO t1 (rowid, content) VALUES(4, "false world");
    INSERT INTO t1 (rowid, content) VALUES(5, "false door");
    COMMIT TRANSACTION;
    SELECT rowid FROM t1 WHERE t1 MATCH 'world';
  }
} {1 3 4}

# Test that buffered inserts are seen by selects in the same
# transaction.
do_test fts2k-1.2 {
  execsql {
    BEGIN TRANSACTION;
    INSERT INTO t1 (rowid, content) VALUES(6, "another world");
    INSERT INTO t1 (rowid, content) VALUES(7, "another test");
    SELECT rowid FROM t1 WHERE t1 MATCH 'world';
    COMMIT TRANSACTION;
  }
} {1 3 4 6}

# Test that buffered inserts are seen within a transaction.  This is
# really the same test as 1.2.
do_test fts2k-1.3 {
  execsql {
    BEGIN TRANSACTION;
    INSERT INTO t1 (rowid, content) VALUES(8, "second world");
    INSERT INTO t1 (rowid, content) VALUES(9, "second sight");
    SELECT rowid FROM t1 WHERE t1 MATCH 'world';
    ROLLBACK TRANSACTION;
  }
} {1 3 4 6 8}

# Double-check that the previous result doesn't persist past the
# rollback!
do_test fts2k-1.4 {
  execsql {
    SELECT rowid FROM t1 WHERE t1 MATCH 'world';
  }
} {1 3 4 6}

# Test it all together.
do_test fts2k-1.5 {
  execsql {
    BEGIN TRANSACTION;
    INSERT INTO t1 (rowid, content) VALUES(10, "second world");
    INSERT INTO t1 (rowid, content) VALUES(11, "second sight");
    ROLLBACK TRANSACTION;
    SELECT rowid FROM t1 WHERE t1 MATCH 'world';
  }
} {1 3 4 6}

# Test that the obvious case works.
do_test fts2k-1.6 {
  execsql {
    BEGIN;
    INSERT INTO t1 (rowid, content) VALUES(12, "third world");
    COMMIT;
    SELECT rowid FROM t1 WHERE t1 MATCH 'third';
  }
} {12}

# This is exactly the same as the previous test, except that older
# code loses the INSERT due to an SQLITE_SCHEMA error.
do_test fts2k-1.7 {
  execsql {
    BEGIN;
    INSERT INTO t1 (rowid, content) VALUES(13, "third dimension");
    CREATE TABLE x (c);
    COMMIT;
    SELECT rowid FROM t1 WHERE t1 MATCH 'dimension';
  }
} {13}

finish_test