Support binding null arguments for rawQuery

Author: developernotes

sqlcipher/src/androidTest/java/net/zetetic/database/sqlcipher_cts/SQLiteDatabaseTest.java

@@ -1490,4 +1490,16 @@ public void testEnableAndDisableForeignKeys() {
         mDatabase.setForeignKeyConstraintsEnabled(true);
         assertEquals(1, DatabaseUtils.longForQuery(mDatabase, "PRAGMA foreign_keys", null));
     }
+
+    public void testShouldSupportBindingNullValue(){
+        String b = "";
+        mDatabase.execSQL("CREATE TABLE t1(a,b);");
+        mDatabase.execSQL("INSERT INTO t1 VALUES(?, ?);", new Object[]{null, "123"});
+        Cursor cursor = mDatabase.rawQuery("SELECT * FROM t1 WHERE a is ?;", new Object[]{null});
+        if(cursor != null && cursor.moveToNext()){
+            b = cursor.getString(1);
+            cursor.close();
+        }
+        assertEquals("123", b);
+    }
 }

sqlcipher/src/main/java/net/zetetic/database/sqlcipher/SQLiteProgram.java

@@ -211,14 +211,11 @@ public void bindAllArgsAsStrings(String[] bindArgs) {
     /**
      * Given a varargs of Object bindArgs, this method binds all of them in one single call.
      *
-     * @param bindArgs the varargs of bind args, none of which must be null.
+     * @param bindArgs the varargs of bind args.
      */
     public void bindAllArgs(Object... bindArgs){
         if (bindArgs != null) {
             for (int i = bindArgs.length; i != 0; i--) {
-                if (bindArgs[i - 1] == null) {
-                    throw new IllegalArgumentException("the bind value at index " + i + " is null");
-                }
                 bind(i, bindArgs[i - 1]);
             }
         }