# 2016 July 29
#
# 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 file is syntax errors involving row-value constructors
# and sub-selects that return multiple arguments.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set ::testprefix rowvalue4

do_execsql_test 0 {
  CREATE TABLE t1(a, b, c);
  CREATE INDEX t1bac ON t1(b, a, c);
}

foreach {tn e} {
  1 "(1, 2, 3)"
  2 "1 + (1, 2)"
  3 "(1,2,3) == (1, 2)"
} {
  do_catchsql_test 1.$tn "SELECT $e" {1 {invalid use of row value}}
}

foreach {tn s error} {
  1 "SELECT * FROM t1 WHERE a = (1, 2)"       {invalid use of row value}
  2 "SELECT * FROM t1 WHERE b = (1, 2)"       {invalid use of row value}
  3 "SELECT * FROM t1 WHERE NOT (b = (1, 2))" {invalid use of row value}
  4 "SELECT * FROM t1 LIMIT (1, 2)"           {invalid use of row value}
  5 "SELECT (a, b) IN (SELECT * FROM t1) FROM t1" 
                             {sub-select returns 3 columns - expected 2}

  6 "SELECT * FROM t1 WHERE (a, b) IN (SELECT * FROM t1)" 
                             {sub-select returns 3 columns - expected 2}
} {
  do_catchsql_test 2.$tn "$s" [list 1 $error]
}

finish_test