Index: src/main/java/org/teiid/deployers/PgCatalogMetadataStore.java
===================================================================
--- src/main/java/org/teiid/deployers/PgCatalogMetadataStore.java	(revision 3213)
+++ 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 " + //$NON-NLS-1$