--- /dev/null
+/*\r
+\r
+ Derby - Class org.apache.derby.iapi.types.VariableSizeDataValue\r
+\r
+ Licensed to the Apache Software Foundation (ASF) under one or more\r
+ contributor license agreements. See the NOTICE file distributed with\r
+ this work for additional information regarding copyright ownership.\r
+ The ASF licenses this file to you under the Apache License, Version 2.0\r
+ (the "License"); you may not use this file except in compliance with\r
+ the License. You may obtain a copy of the License at\r
+\r
+ http://www.apache.org/licenses/LICENSE-2.0\r
+\r
+ Unless required by applicable law or agreed to in writing, software\r
+ distributed under the License is distributed on an "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ See the License for the specific language governing permissions and\r
+ limitations under the License.\r
+\r
+ */\r
+\r
+package org.apache.derby.iapi.types;\r
+\r
+import org.apache.derby.iapi.error.StandardException;\r
+\r
+/**\r
+ * The VariableSizeDataValue interface corresponds to \r
+ * Datatypes that have adjustable width. \r
+ *\r
+ * The following methods are defined herein:\r
+ * setWidth()\r
+ *\r
+ */\r
+public interface VariableSizeDataValue \r
+{\r
+\r
+ public static int IGNORE_PRECISION = -1;\r
+\r
+ /*\r
+ * Set the width and scale (if relevant). Sort of a poor\r
+ * man's normalize. Used when we need to normalize a datatype\r
+ * but we don't want to use a NormalizeResultSet (e.g.\r
+ * for an operator that can change the width/scale of a\r
+ * datatype, namely CastNode).\r
+ *\r
+ * @param desiredWidth width\r
+ * @param desiredScale scale, if relevant (ignored for strings)\r
+ * @param errorOnTrunc throw an error on truncation of value\r
+ *\r
+ * @exception StandardException Thrown on error\r
+ */\r
+ public void setWidth(int desiredWidth,\r
+ int desiredScale,\r
+ boolean errorOnTrunc)\r
+ throws StandardException;\r
+}\r