[#3094] Add Relations.getUniqueKeys(SchemaDefinition), getUniqueKeys()

jOOQ-meta/src/main/java/org/jooq/util/DefaultRelations.java

@@ -208,6 +208,24 @@ public class DefaultRelations implements Relations {
         return new ArrayList<UniqueKeyDefinition>(result);
     }
 
+
+
+    @Override
+    public List<UniqueKeyDefinition> getUniqueKeys(SchemaDefinition schema) {
+        Set<UniqueKeyDefinition> result = new LinkedHashSet<UniqueKeyDefinition>();
+
+        for (TableDefinition table : schema.getDatabase().getTables(schema)) {
+            result.addAll(getUniqueKeys(table));
+        }
+
+        return new ArrayList<UniqueKeyDefinition>(result);
+    }
+
+    @Override
+    public List<UniqueKeyDefinition> getUniqueKeys() {
+        return new ArrayList<UniqueKeyDefinition>(uniqueKeys.values());
+    }
+
     @Override
 	public List<ForeignKeyDefinition> getForeignKeys(ColumnDefinition column) {
         if (foreignKeysByColumn == null) {

jOOQ-meta/src/main/java/org/jooq/util/Relations.java

@@ -69,6 +69,18 @@ public interface Relations {
      */
     List<UniqueKeyDefinition> getUniqueKeys(TableDefinition table);
 
+    /**
+     * Get a list of all referenced keys (primary or unique) for a given schema.
+     * Returns an empty list if the given schema has no primary or unique keys.
+     */
+    List<UniqueKeyDefinition> getUniqueKeys(SchemaDefinition schema);
+
+    /**
+     * Get a list of all referenced keys (primary or unique). Returns an empty
+     * list if there are no primary or unique keys.
+     */
+    List<UniqueKeyDefinition> getUniqueKeys();
+
     /**
      * Get a list of foreign keys for a given table, that the column
      * participates in. Returns an empty list if the given column is not part of