Arraysize bugfix

TASMAN-core/src/main/java/it/inaf/ia2/tsm/datalayer/ADQL.java

@@ -47,6 +47,8 @@ public enum ADQL {
     CIRCLE,
     POLYGON;
 
+    private static final ADQL[] FIXED_LENGTH_TYPES = new ADQL[]{CHAR, BOOLEAN, SMALLINT, INTEGER, BIGINT, REAL, DOUBLE};
+
     /**
      * Returns a string representing a datatype which can't be interpreted as an
      * ADQL datatype (that is in case of not standard data types). Removes
@@ -64,7 +66,15 @@ public enum ADQL {
      * @return true if the datatype has a variable length, false otherwise.
      */
     public static boolean isVariable(ADQL adql) {
-        return adql.equals(VARCHAR) || adql.equals(VARBINARY) || adql.equals(CLOB) || adql.equals(BLOB);
+        // Since unknow data types are mapped to string, here a negative-logic is used
+        // (e.g. TIMESTAMP need to be considered as variable, in order to have
+        // arraysize *, otherwise taplib will throw an error)
+        for (ADQL value : FIXED_LENGTH_TYPES) {
+            if (adql.equals(value)) {
+                return false;
+            }
+        }
+        return true;
     }
 
     public static ADQL parse(String adqlStr) {