IDEMPIERE-6102 Performance: avoid SQL on AD_TreeNode when the table d…

…oesn't have a custom tree (idempiere#2309)

org.adempiere.base/src/org/compiere/model/MTable.java

@@ -67,7 +67,7 @@ public class MTable extends X_AD_Table implements ImmutablePOSupport
 	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -167824144142429242L;
+	private static final long serialVersionUID = 6774131577483620665L;
 
 	public final static int MAX_OFFICIAL_ID = 999999;
 
@@ -1089,4 +1089,18 @@ public static String getUUIDIndexName(String tableName) {
 		return indexName.toString();
 	}
 
+	private Boolean hasCustomTree = null;
+
+	/**
+	 * If the table has a custom tree defined
+	 * @return
+	 */
+	public boolean hasCustomTree() {
+		if (hasCustomTree == null) {
+			int exists = DB.getSQLValueEx(get_TrxName(), "SELECT 1 FROM AD_Tree WHERE TreeType=? AND AD_Table_ID=? AND IsActive='Y'", MTree_Base.TREETYPE_CustomTable, getAD_Table_ID());
+			hasCustomTree = Boolean.valueOf(exists == 1);
+		}
+		return hasCustomTree.booleanValue();
+	}
+
 }	//	MTable

org.adempiere.base/src/org/compiere/model/PO.java

@@ -2649,10 +2649,10 @@ private boolean saveFinish (boolean newRecord, boolean success)
 
 			// table with potential tree
 			if (get_ColumnIndex("IsSummary") >= 0) {
-				if (newRecord)
+				if (newRecord && getTable().hasCustomTree())
 					insert_Tree(MTree_Base.TREETYPE_CustomTable);
 				int idxValue = get_ColumnIndex("Value");
-				if (newRecord || (idxValue >= 0 && is_ValueChanged(idxValue)))
+				if (getTable().hasCustomTree() && (newRecord || (idxValue >= 0 && is_ValueChanged(idxValue))))
 					update_Tree(MTree_Base.TREETYPE_CustomTable);
 			}
 		}
@@ -2756,6 +2756,14 @@ else if (get_ID() > 0)
 		return success;
 	}	//	saveFinish
 
+	/**
+	 * Get the MTable object associated to this PO
+	 * @return MTable
+	 */
+	private MTable getTable() {
+		return MTable.get(getCtx(), get_TableName());
+	}
+
 	/**
 	 *  Update or insert new record.<br/>
 	 * 	To reload call load().
@@ -4102,7 +4110,7 @@ else if (savepoint != null)
 			{
 				//
 				deleteTranslations(localTrxName);
-				if (get_ColumnIndex("IsSummary") >= 0) {
+				if (get_ColumnIndex("IsSummary") >= 0 && getTable().hasCustomTree()) {
 					delete_Tree(MTree_Base.TREETYPE_CustomTable);
 				}