diff --git a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
index 39c4531d7d..d58bd8b68b 100644
--- a/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/MetaImpl.java
@@ -106,6 +106,7 @@ import java.util.Map.Entry;
 import org.jooq.Catalog;
 import org.jooq.Configuration;
 import org.jooq.ConnectionProvider;
+import org.jooq.Constraint;
 import org.jooq.DSLContext;
 import org.jooq.DataType;
 import org.jooq.Field;
@@ -790,5 +791,13 @@ class MetaImpl implements Meta, Serializable {
 
             return references;
         }
+
+        @Override
+        public final Constraint constraint() {
+            if (isPrimary())
+                return DSL.constraint(getName()).primaryKey(getFieldsArray());
+            else
+                return DSL.constraint(getName()).unique(getFieldsArray());
+        }
     }
 }