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

Artifact c0b4cafb9661379e576dc4405c0891d8fcc2782680740513c4d1fc114b43d4ad:


# 2014 June 17
#
# 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 FTS5 module.
#

source [file join [file dirname [info script]] fts5_common.tcl]
set testprefix fts5leftjoin

# If SQLITE_ENABLE_FTS5 is not defined, omit this file.
ifcapable !fts5 {
  finish_test
  return
}

do_execsql_test 1.0 {
  CREATE VIRTUAL TABLE vt USING fts5(x);
  INSERT INTO vt VALUES('abc');
  INSERT INTO vt VALUES('xyz');

  CREATE TABLE t1(a INTEGER PRIMARY KEY);
  INSERT INTO t1 VALUES(1), (2);
}

do_execsql_test 1.1 {
  SELECT * FROM t1 LEFT JOIN (
    SELECT rowid AS rrr, * FROM vt WHERE vt MATCH 'abc'
  ) ON t1.a = rrr
} {1 1 abc 2 {} {}}

do_execsql_test 1.2 {
  SELECT * FROM t1 LEFT JOIN vt ON (vt MATCH 'abc')
} {1 abc 2 abc}

finish_test