test/normalize.test

# 2018-01-08
#
# 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.
#
#***********************************************************************
#
# Tests for the sqlite3_normalize() extension function.
#

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

foreach {tnum sql norm} {
  100
  {SELECT * FROM t1 WHERE a IN (1) AND b=51.42}
  {select*from t1 where a in(?,?,?)and b=?;}

  110
  {SELECT a, b+15, c FROM t1 WHERE d NOT IN (SELECT x FROM t2);}
  {select a,b+?,c from t1 where d not in(select x from t2);}

  120
  { SELECT NULL, b FROM t1 -- comment text
     WHERE d IN (WITH t(a) AS (VALUES(5)) /* CTE */
                 SELECT a FROM t)
        OR e='hello';
  }
  {select?,b from t1 where d in(with t(a)as(values(?))select a from t)or e=?;}

  121
  {/*Initial comment*/
   -- another comment line
   SELECT NULL  /* comment */ , b FROM t1 -- comment text
     WHERE d IN (WITH t(a) AS (VALUES(5)) /* CTE */
                 SELECT a FROM t)
        OR e='hello';
  }
  {select?,b from t1 where d in(with t(a)as(values(?))select a from t)or e=?;}

  130
  {/* Query containing parameters */
   SELECT x,$::abc(15),y,@abc,z,?99,w FROM t1 /* Trailing comment */}
  {select x,?,y,?,z,?,w from t1;}

  140
  {/* Long list on the RHS of IN */
   SELECT 15 IN (1,2,3,(SELECT * FROM t1),'xyz',x'abcd',22*(x+5),null);}
  {select?in(?,?,?);}

  150
  {SELECT x'abc'; -- illegal token}
  {}

  160
  {SELECT a,NULL,b FROM t1 WHERE c IS NOT NULL or D is null or e=5}
  {select a,?,b from t1 where c is not null or d is null or e=?;}

  170
  {/* IN list exactly 5 bytes long */
   SELECT * FROM t1 WHERE x IN (1,2,3);}
  {select*from t1 where x in(?,?,?);}
} {
  do_test $tnum [list sqlite3_normalize $sql] $norm
}

finish_test