[#2521] Add Row.fields(Field<?>...), Row.fields(String...),

Row.fields(int...) to extract Field<?>[] from a row

jOOQ-tools/src/org/jooq/xtend/Rows.xtend

@@ -1308,6 +1308,21 @@ class Rows extends Generators {
             public final Field<?>[] fields() {
                 return fields.fields();
             }
+        
+            @Override
+            public final Field<?>[] fields(Field<?>... f) {
+                return fields.fields(f);
+            }
+        
+            @Override
+            public final Field<?>[] fields(String... fieldNames) {
+                return fields.fields(fieldNames);
+            }
+        
+            @Override
+            public final Field<?>[] fields(int... fieldIndexes) {
+                return fields.fields(fieldIndexes);
+            }
 
             @Override
             public final int indexOf(Field<?> field) {

jOOQ/src/main/java/org/jooq/Row.java

@@ -90,6 +90,30 @@ public interface Row extends QueryPart {
      */
     Field<?>[] fields();
 
+    /**
+     * Get all fields from this row, providing some fields.
+     *
+     * @return All available fields
+     * @see #field(Field)
+     */
+    Field<?>[] fields(Field<?>... fields);
+
+    /**
+     * Get all fields from this row, providing some field names.
+     *
+     * @return All available fields
+     * @see #field(String)
+     */
+    Field<?>[] fields(String... fieldNames);
+
+    /**
+     * Get all fields from this row, providing some field indexes.
+     *
+     * @return All available fields
+     * @see #field(int)
+     */
+    Field<?>[] fields(int... fieldIndexes);
+
     /**
      * Get a field's index from this row.
      *

jOOQ/src/main/java/org/jooq/impl/Fields.java

@@ -113,6 +113,36 @@ class Fields extends AbstractQueryPart implements Iterable<Field<?>> {
         return fields;
     }
 
+    final Field<?>[] fields(Field<?>... f) {
+        Field<?>[] result = new Field[f.length];
+
+        for (int i = 0; i < result.length; i++) {
+            result[i] = field(f[i]);
+        }
+
+        return result;
+    }
+
+    final Field<?>[] fields(String... f) {
+        Field<?>[] result = new Field[f.length];
+
+        for (int i = 0; i < result.length; i++) {
+            result[i] = field(f[i]);
+        }
+
+        return result;
+    }
+
+    final Field<?>[] fields(int... f) {
+        Field<?>[] result = new Field[f.length];
+
+        for (int i = 0; i < result.length; i++) {
+            result[i] = field(f[i]);
+        }
+
+        return result;
+    }
+
     final int indexOf(Field<?> field) {
 
         // Get an exact match, or a field with a similar name

jOOQ/src/main/java/org/jooq/impl/RowImpl.java

@@ -229,6 +229,21 @@ implements
         return fields.fields();
     }
 
+    @Override
+    public final Field<?>[] fields(Field<?>... f) {
+        return fields.fields(f);
+    }
+
+    @Override
+    public final Field<?>[] fields(String... fieldNames) {
+        return fields.fields(fieldNames);
+    }
+
+    @Override
+    public final Field<?>[] fields(int... fieldIndexes) {
+        return fields.fields(fieldIndexes);
+    }
+
     @Override
     public final int indexOf(Field<?> field) {
         return fields.indexOf(field);