[#890] Add Factory.selectCount() convenience method

jOOQ-test/src/org/jooq/test/jOOQAbstractTest.java

@@ -2176,6 +2176,12 @@ public abstract class jOOQAbstractTest<
         assertEquals("test", result.get(0).getValue(f3));
     }
 
+    @Test
+    public void testSelectCountQuery() throws Exception {
+        assertEquals(4, create().selectCount().from(TBook()).fetchOne(0));
+        assertEquals(2, create().selectCount().from(TAuthor()).fetchOne(0));
+    }
+
     @Test
     public void testSelectQuery() throws Exception {
         SelectQuery q = create().selectQuery();

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

@@ -1028,6 +1028,26 @@ public class Factory implements Configuration {
         return new SelectImpl(this).select(one());
     }
 
+    /**
+     * Create a new DSL select statement for <code>COUNT(*)</code>
+     * <p>
+     * Example: <code><pre>
+     * Factory create = new Factory();
+     *
+     * create.selectCount()
+     *       .from(table1)
+     *       .join(table2).on(field1.equal(field2))
+     *       .where(field1.greaterThan(100))
+     *       .orderBy(field2)
+     *       .execute();
+     * </pre></code>
+     *
+     * @see #one()
+     */
+    public final SelectSelectStep selectCount() {
+        return new SelectImpl(this).select(count());
+    }
+
     /**
      * Create a new DSL select statement.
      * <p>