[empire-db] branch master updated: EMPIREDB-295: bufix addRerferencedColumns()

[do...@apache.org]

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doebele pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/empire-db.git


The following commit(s) were added to refs/heads/master by this push:
     new 96bca5e  EMPIREDB-295: bufix addRerferencedColumns()
96bca5e is described below

commit 96bca5ecfb6f460c179d3dae0a4ba251e0a47273
Author: Rainer Döbele <do...@apache.org>
AuthorDate: Thu Jul 11 15:02:01 2019 +0200

    EMPIREDB-295: bufix addRerferencedColumns()
---
 .../org/apache/empire/db/expr/column/DBFuncExpr.java | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/empire-db/src/main/java/org/apache/empire/db/expr/column/DBFuncExpr.java b/empire-db/src/main/java/org/apache/empire/db/expr/column/DBFuncExpr.java
index 0e4f766..605b20f 100644
--- a/empire-db/src/main/java/org/apache/empire/db/expr/column/DBFuncExpr.java
+++ b/empire-db/src/main/java/org/apache/empire/db/expr/column/DBFuncExpr.java
@@ -18,10 +18,13 @@
  */
 package org.apache.empire.db.expr.column;
 
+import java.util.Set;
+
 // Java
 import org.apache.empire.data.DataType;
 import org.apache.empire.db.DBColumn;
 import org.apache.empire.db.DBColumnExpr;
+import org.apache.empire.db.DBExpr;
 
 
 /**
@@ -112,6 +115,23 @@ public class DBFuncExpr extends DBAbstractFuncExpr
     }
 
     /**
+     * @see org.apache.empire.db.DBExpr#addReferencedColumns(Set)
+     */
+    @Override
+    public void addReferencedColumns(Set<DBColumn> list)
+    {
+        super.addReferencedColumns(list);
+        if (this.params==null)
+            return;
+        // Check params
+        for (int i=0; i<this.params.length; i++)
+        {   // add referenced columns
+            if (params[i] instanceof DBExpr)
+               ((DBExpr)params[i]).addReferencedColumns(list);
+        }
+    }
+
+    /**
      * Creates the SQL-Command adds a function to the SQL-Command.
      * 
      * @param sql the SQL-Command