Index: src/main/java/org/teiid/deployers/PgCatalogMetadataStore.java
===================================================================
--- src/main/java/org/teiid/deployers/PgCatalogMetadataStore.java	(revision 3238)
+++ src/main/java/org/teiid/deployers/PgCatalogMetadataStore.java	(working copy)
@@ -148,7 +148,8 @@
 				"pt.oid as atttypid," + //$NON-NLS-1$
 				"pt.typlen as attlen, " + //$NON-NLS-1$
 				"convert(t1.Position, short) as attnum, " + //$NON-NLS-1$
-				"t1.Length as atttypmod, " + //$NON-NLS-1$
+				"(CASE WHEN (t1.DataType = 'bigdecimal' OR t1.DataType = 'biginteger' OR t1.DataType = 'float' OR t1.DataType='double') THEN (4+(65536*t1.Precision)+t1.Scale) " + //$NON-NLS-1$
+				"ELSE (4+t1.Length) END) as atttypmod, " + //$NON-NLS-1$
 				"CASE WHEN (t1.NullType = 'No Nulls') THEN true ELSE false END as attnotnull, " + //$NON-NLS-1$
 				"false as attisdropped, " + //$NON-NLS-1$
 				"false as atthasdef " + //$NON-NLS-1$
Index: src/main/java/org/teiid/odbc/ODBCServerRemoteImpl.java
===================================================================
--- src/main/java/org/teiid/odbc/ODBCServerRemoteImpl.java	(revision 3238)
+++ src/main/java/org/teiid/odbc/ODBCServerRemoteImpl.java	(working copy)
@@ -462,7 +462,12 @@
 		}
 		else {
 			try {
+				// The response is a ParameterDescription message describing the parameters needed by the statement,
 				this.client.sendParameterDescription(query.stmt.getParameterMetaData(), query.paramType);
+				
+				// followed by a RowDescription message describing the rows that will be returned when the statement  
+				// is eventually executed (or a NoData message if the statement will not return rows).
+				this.client.sendResultSetDescription(query.stmt.getMetaData(), query.stmt);
 			} catch (SQLException e) {
 				this.client.errorOccurred(e);
 			}
Index: src/main/java/org/teiid/transport/PgBackendProtocol.java
===================================================================
--- src/main/java/org/teiid/transport/PgBackendProtocol.java	(revision 3238)
+++ src/main/java/org/teiid/transport/PgBackendProtocol.java	(working copy)
@@ -214,7 +214,7 @@
 					if (paramType != null && paramType[i] != 0) {
 						type = paramType[i];
 					} else {
-						type = PG_TYPE_VARCHAR;
+						type = convertType(meta.getParameterType(i+1));
 					}
 					writeInt(type);
 				}