From 9ad9474b09b69608ac55aefae5e3c52935dca211 Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Fri, 24 Jul 2015 15:09:14 +0200
Subject: [PATCH] [#4426] Add <T> T DSLContext.fetchValue(TableField<?, T>
 field)

---
 jOOQ/src/main/java/org/jooq/DSLContext.java   | 26 +++++++++++++++++++
 .../java/org/jooq/impl/DefaultDSLContext.java | 10 +++++++
 2 files changed, 36 insertions(+)

diff --git a/jOOQ/src/main/java/org/jooq/DSLContext.java b/jOOQ/src/main/java/org/jooq/DSLContext.java
index ac78768484..3ee6f8b917 100644
--- a/jOOQ/src/main/java/org/jooq/DSLContext.java
+++ b/jOOQ/src/main/java/org/jooq/DSLContext.java
@@ -6706,6 +6706,19 @@ public interface DSLContext extends Scope {
     <T, R extends Record1<T>> T fetchValue(ResultQuery<R> query)
         throws DataAccessException, TooManyRowsException, InvalidResultException;
 
+    /**
+     * xecute a {@link ResultQuery} in the context of this
+     * <code>DSLContext</code> and return a single value.
+     *
+     * @param field The field for which to fetch a single value.
+     * @return The value.
+     * @throws DataAccessException if something went wrong executing the query
+     * @throws TooManyRowsException if the query returned more than one record
+     * @throws InvalidResultException if the query returned a record with more
+     *             than one value
+     */
+    <T> T fetchValue(TableField<?, T> field) throws DataAccessException, TooManyRowsException, InvalidResultException;
+
     /* [java-8] */
     /**
      * Execute a {@link ResultQuery} in the context of this
@@ -6719,6 +6732,19 @@ public interface DSLContext extends Scope {
      *             than one value
      */
     <T, R extends Record1<T>> Optional<T> fetchOptionalValue(ResultQuery<R> query) throws DataAccessException, TooManyRowsException, InvalidResultException;
+
+    /**
+     * Execute a {@link ResultQuery} in the context of this
+     * <code>DSLContext</code> and return a single value.
+     *
+     * @param field The field for which to fetch a single value.
+     * @return The value.
+     * @throws DataAccessException if something went wrong executing the query
+     * @throws TooManyRowsException if the query returned more than one record
+     * @throws InvalidResultException if the query returned a record with more
+     *             than one value
+     */
+    <T> Optional<T> fetchOptionalValue(TableField<?, T> field) throws DataAccessException, TooManyRowsException, InvalidResultException;
     /* [/java-8] */
 
     /**
diff --git a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
index 0976e8618a..9c4e16b219 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DefaultDSLContext.java
@@ -2472,11 +2472,21 @@ public class DefaultDSLContext extends AbstractScope implements DSLContext, Seri
         }
     }
 
+    @Override
+    public <T> T fetchValue(TableField<?, T> field) {
+        return fetchValue(select(field).from(field.getTable()));
+    }
+
     /* [java-8] */
     @Override
     public <T, R extends Record1<T>> Optional<T> fetchOptionalValue(ResultQuery<R> query) {
         return Optional.ofNullable(fetchValue(query));
     }
+
+    @Override
+    public <T> Optional<T> fetchOptionalValue(TableField<?, T> field) {
+        return Optional.ofNullable(fetchValue(field));
+    }
     /* [/java-8] */
 
     @Override