AbstractGeneralFunction


1   package com.daffodilwoods.daffodildb.server.sql99.expression;
2   
3   import com.daffodilwoods.daffodildb.server.sql99.common.*;
4   import com.daffodilwoods.database.resource.*;
5   
6   public abstract class AbstractGeneralFunction extends AbstractValueExpression implements com.daffodilwoods.daffodildb.server.sql99.common._sortspecificationAndselectSubList {
7   
8      protected ColumnDetails[] columnDetails;
9   
10     public ColumnDetails[] getColumnDetails() throws DException {
11        if (columnDetails != null) {
12           return columnDetails;
13        }
14        ColumnDetails columnDetail = new ColumnDetails();
15        columnDetail.setColumn(new String  [] {toString()});
16        columnDetail.setType(SCALARFUNCTION);
17        columnDetail.setObject(this);
18        columnDetails = new ColumnDetails[] {columnDetail};
19        return columnDetails;
20     }
21  
22  }
23

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