DO UPDATE SET w = w||tbl.w;
    SELECT * FROM t1;
  } {c 1 1 1 bbbbbbbb 2 2 2}
}

foreach {tn sql} {
  1 {
    CREATE TABLE excluded(w, x, 'a b', z, PRIMARY KEY(x, 'a b'));
    CREATE UNIQUE INDEX zz ON excluded(z);

  }
  2 {
    CREATE TABLE excluded(w, x, 'a b', z, PRIMARY KEY(x, 'a b')) WITHOUT ROWID;
    CREATE UNIQUE INDEX zz ON excluded(z);

  }
} {
  reset_db
  execsql $sql
  do_execsql_test 8.$tn.0 {
    INSERT INTO excluded VALUES('a', 1, 1, 1);
    INSERT INTO excluded VALUES('b', 2, 2, 2);
................................................................................
  } {a 1 1 1 b 2 2 2}

  do_execsql_test 8.$tn.2 {
    INSERT INTO excluded AS x1 VALUES('hello', 1, 1, NULL) ON CONFLICT(x, [a b])
      DO UPDATE SET w=excluded.w;
    SELECT * FROM excluded;
  } {hello 1 1 1 b 2 2 2}
}










































finish_test

      DO UPDATE SET w = w||tbl.w;
    SELECT * FROM t1;
  } {c 1 1 1 bbbbbbbb 2 2 2}
}

foreach {tn sql} {
  1 {
    CREATE TABLE excluded(w, x INTEGER, 'a b', z, PRIMARY KEY(x, 'a b'));
    CREATE UNIQUE INDEX zz ON excluded(z);
    CREATE INDEX zz2 ON excluded(z);
  }
  2 {
    CREATE TABLE excluded(w, x, 'a b', z, PRIMARY KEY(x, 'a b')) WITHOUT ROWID;
    CREATE UNIQUE INDEX zz ON excluded(z);
    CREATE INDEX zz2 ON excluded(z);
  }
} {
  reset_db
  execsql $sql
  do_execsql_test 8.$tn.0 {
    INSERT INTO excluded VALUES('a', 1, 1, 1);
    INSERT INTO excluded VALUES('b', 2, 2, 2);
................................................................................
  } {a 1 1 1 b 2 2 2}

  do_execsql_test 8.$tn.2 {
    INSERT INTO excluded AS x1 VALUES('hello', 1, 1, NULL) ON CONFLICT(x, [a b])
      DO UPDATE SET w=excluded.w;
    SELECT * FROM excluded;
  } {hello 1 1 1 b 2 2 2}

  do_execsql_test 8.$tn.3 {
    INSERT INTO excluded AS x1 VALUES('hello', 1, 1, NULL) ON CONFLICT(x, [a b])
      DO UPDATE SET w=w||w WHERE excluded.w!='hello';
    SELECT * FROM excluded;
  } {hello 1 1 1 b 2 2 2}

  do_execsql_test 8.$tn.4 {
    INSERT INTO excluded AS x1 VALUES('hello', 1, 1, NULL) ON CONFLICT(x, [a b])
      DO UPDATE SET w=w||w WHERE excluded.x=1;
    SELECT * FROM excluded;
  } {hellohello 1 1 1 b 2 2 2}

  do_catchsql_test 8.$tn.5 {
    INSERT INTO excluded AS x1 VALUES('hello', 1, 1, NULL) 
      ON CONFLICT(x, [a b]) WHERE y=1
      DO UPDATE SET w=w||w WHERE excluded.x=1;
  } {1 {no such column: y}}
}

#--------------------------------------------------------------------------
#
do_execsql_test 9.0 {
  CREATE TABLE v(x INTEGER);
  CREATE TABLE hist(x INTEGER PRIMARY KEY, cnt INTEGER);
  CREATE TRIGGER vt AFTER INSERT ON v BEGIN
    INSERT INTO hist VALUES(new.x, 1) ON CONFLICT(x) DO
      UPDATE SET cnt=cnt+1;
  END;
}

do_execsql_test 9.1 {
  INSERT INTO v VALUES(1), (4), (1), (5), (5), (8), (9), (1);
  SELECT * FROM hist;
} {
  1 3
  4 1
  5 2
  8 1
  9 1
}


finish_test

# 2018-04-17
#
# 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.
#
#***********************************************************************
#
# Test cases for UPSERT

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

do_execsql_test 1.0 {
  CREATE TABLE t1(a PRIMARY KEY, b, c, d, UNIQUE(b, c));
  INSERT INTO t1 VALUES(1, 1, 1, 1);
  INSERT INTO t1 VALUES(2, 2, 2, 2);
}
faultsim_save_and_close

do_faultsim_test 1 -faults oom* -prep {
  faultsim_restore_and_reopen
  db eval { SELECT * FROM sqlite_master } 
} -body {
  execsql {
     INSERT INTO t1 VALUES(3, 2, 2, NULL) ON CONFLICT(b, c) DO
       UPDATE SET d=d+1;
  }
} -test {
  faultsim_test_result {0 {}}
}


finish_test