diff --git a/base/src/org/compiere/model/MRequestType.java b/base/src/org/compiere/model/MRequestType.java
index 51bfdd1976..d58510897f 100644
--- a/base/src/org/compiere/model/MRequestType.java
+++ b/base/src/org/compiere/model/MRequestType.java
@@ -160,10 +160,10 @@ public class MRequestType extends X_R_RequestType
 			+ "(SELECT COUNT(*) FROM R_Request r "
 			+ "WHERE r.R_RequestType_ID=x.R_RequestType_ID) AS TotalNo, "
 			+ "(SELECT COUNT(*) FROM R_Request r "
-			+ "WHERE r.R_RequestType_ID=x.R_RequestType_ID AND Created>SysDate-30) AS New30No, "
+			+ "WHERE r.R_RequestType_ID=x.R_RequestType_ID AND Created>addDays(SysDate,-30)) AS New30No, "
 			+ "(SELECT COUNT(*) FROM R_Request r"
 			+ " INNER JOIN R_Status s ON (r.R_Status_ID=s.R_Status_ID AND s.IsClosed='Y') "
-			+ "WHERE r.R_RequestType_ID=x.R_RequestType_ID AND r.Updated>SysDate-30) AS Closed30No "
+			+ "WHERE r.R_RequestType_ID=x.R_RequestType_ID AND r.Updated>addDays(SysDate,-30)) AS Closed30No "
 			//
 			+ "FROM R_RequestType x WHERE R_RequestType_ID=?";
 		PreparedStatement pstmt = null;
@@ -438,7 +438,7 @@ public class MRequestType extends X_R_RequestType
 		//	else if (MGoal.MEASUREDISPLAY_Day.equals(MeasureDisplay))
 		//		;
 			orderBy = "TRUNC(" + dateColumn + ",'" + trunc + "')";
-			groupBy = orderBy + ", StatusID ";
+			groupBy = orderBy + ", 3 ";
 			sb.append(orderBy)
 				.append(", 0 as StatusID ")
 				.append("FROM R_Request ");
@@ -446,7 +446,7 @@ public class MRequestType extends X_R_RequestType
 		else
 		{
 			orderBy = "s.SeqNo"; 
-			groupBy = "COALESCE(s.Name,'-'), s.R_Status_ID, s.SeqNo ";
+			groupBy = "COALESCE(s.Name,TO_NCHAR('-')), s.R_Status_ID, s.SeqNo ";
 			sb.append(groupBy)
 				.append("FROM R_Request LEFT OUTER JOIN R_Status s ON (R_Request.R_Status_ID=s.R_Status_ID) ");
 		}
diff --git a/dbPort/src/org/compiere/dbPort/ConvertMap_PostgreSQL.java b/dbPort/src/org/compiere/dbPort/ConvertMap_PostgreSQL.java
index f22ddac38d..5b48473e16 100644
--- a/dbPort/src/org/compiere/dbPort/ConvertMap_PostgreSQL.java
+++ b/dbPort/src/org/compiere/dbPort/ConvertMap_PostgreSQL.java
@@ -59,6 +59,7 @@ public final class ConvertMap_PostgreSQL {
 		s_pg.put("\\bTO_DATE\\b",               "TO_TIMESTAMP");
 		//
 		s_pg.put("\\bDBMS_OUTPUT.PUT_LINE\\b",  "RAISE NOTICE");
+		s_pg.put("\\bTO_NCHAR\\b",              "");
 
 		//  Temporary
 		s_pg.put("\\bGLOBAL TEMPORARY\\b",      "TEMPORARY");
diff --git a/dbPort/src/org/compiere/dbPort/Convert_PostgreSQLTest.java b/dbPort/src/org/compiere/dbPort/Convert_PostgreSQLTest.java
index 886e6b06a0..45efb780c0 100644
--- a/dbPort/src/org/compiere/dbPort/Convert_PostgreSQLTest.java
+++ b/dbPort/src/org/compiere/dbPort/Convert_PostgreSQLTest.java
@@ -31,7 +31,7 @@ public final class Convert_PostgreSQLTest {
 		// Line 407 of ImportProduct.java
 		
 		sql = "ALTER TABLE LPI_Publication MODIFY AD_Client_ID NUMERIC(10) DEFAULT NULL";
-		sqe = "ALTER TABLE LPI_Publication MODIFY COLUMN AD_Client_ID TYPE NUMERIC(10); ALTER TABLE LPI_Publication ALTER COLUMN AD_Client_ID SET DEFAULT 'NULL'; ";
+		sqe = "ALTER TABLE LPI_Publication ALTER COLUMN AD_Client_ID TYPE NUMERIC(10); ALTER TABLE LPI_Publication ALTER COLUMN AD_Client_ID SET DEFAULT NULL; ";
 
         r = convert.convert(sql);
         verify(sql, r, sqe);