# 2008 April 15
#
# 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. Specifically,
# it tests updating tables with constraints within a trigger.  Ticket #3055.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
ifcapable {!trigger} {
  finish_test
  return
}

# Create test tables with constraints.
#
do_test triggerB-1.1 {
  execsql {
    CREATE TABLE x(x INTEGER PRIMARY KEY, y INT NOT NULL);
    INSERT INTO x(y) VALUES(1);
    INSERT INTO x(y) VALUES(1);
    CREATE TEMP VIEW vx AS SELECT x, y, 0 AS yy FROM x;
    CREATE TEMP TRIGGER tx INSTEAD OF UPDATE OF y ON vx
    BEGIN
      UPDATE x SET y = new.y WHERE x = new.x;
    END;
    SELECT * FROM vx;
  }
} {1 1 0 2 1 0}
do_test triggerB-1.2 {
breakpoint
  execsql {
    UPDATE vx SET y = yy;
    SELECT * FROM vx;
  }
} {1 0 0 2 0 0}

finish_test
