From 7e2ef6532223e7efdd824791fb7a7f8651b7c908 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Tue, 9 Dec 2014 15:30:35 +0100
Subject: [PATCH] [#3849] Add PostgresDSL.stringToArray(X, Y, Z) support

---
 .../org/jooq/util/postgres/PostgresDSL.java   | 58 +++++++++++++++++--
 1 file changed, 53 insertions(+), 5 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/util/postgres/PostgresDSL.java b/jOOQ/src/main/java/org/jooq/util/postgres/PostgresDSL.java
index 92e162fdce..da6c8e3269 100644
--- a/jOOQ/src/main/java/org/jooq/util/postgres/PostgresDSL.java
+++ b/jOOQ/src/main/java/org/jooq/util/postgres/PostgresDSL.java
@@ -219,7 +219,7 @@ public class PostgresDSL extends DSL {
      */
     @Support({ POSTGRES })
     public static Field<String> arrayToString(Object[] array, String delimiter) {
-        return arrayToString(val(array), val(delimiter));
+        return arrayToString(val(array), val(delimiter, String.class));
     }
 
     /**
@@ -243,7 +243,7 @@ public class PostgresDSL extends DSL {
      */
     @Support({ POSTGRES })
     public static Field<String> arrayToString(Field<? extends Object[]> array, String delimiter) {
-        return arrayToString(array, val(delimiter));
+        return arrayToString(array, val(delimiter, String.class));
     }
 
     /**
@@ -267,7 +267,7 @@ public class PostgresDSL extends DSL {
      */
     @Support({ POSTGRES })
     public static Field<String[]> stringToArray(String string, String delimiter) {
-        return stringToArray(val(string), val(delimiter));
+        return stringToArray(val(string, String.class), val(delimiter, String.class));
     }
 
     /**
@@ -279,7 +279,7 @@ public class PostgresDSL extends DSL {
      */
     @Support({ POSTGRES })
     public static Field<String[]> stringToArray(String string, Field<String> delimiter) {
-        return stringToArray(val(string), delimiter);
+        return stringToArray(val(string, String.class), delimiter);
     }
 
     /**
@@ -291,7 +291,7 @@ public class PostgresDSL extends DSL {
      */
     @Support({ POSTGRES })
     public static Field<String[]> stringToArray(Field<String> string, String delimiter) {
-        return stringToArray(string, val(delimiter));
+        return stringToArray(string, val(delimiter, String.class));
     }
 
     /**
@@ -306,6 +306,54 @@ public class PostgresDSL extends DSL {
         return field("{string_to_array}({0}, {1})", SQLDataType.VARCHAR.getArrayDataType(), nullSafe(string), nullSafe(delimiter));
     }
 
+    /**
+     * The PostgreSQL <code>string_to_array(anyarray, delimiter)</code> function.
+     * <p>
+     * Example: <code><pre>
+     * {xx,NULL,zz} = string_to_array('xx~^~yy~^~zz', '~^~', 'yy')
+     * </pre></code>
+     */
+    @Support({ POSTGRES })
+    public static Field<String[]> stringToArray(String string, String delimiter, String nullString) {
+        return stringToArray(val(string, String.class), val(delimiter, String.class), val(nullString, String.class));
+    }
+
+    /**
+     * The PostgreSQL <code>string_to_array(anyarray, delimiter)</code> function.
+     * <p>
+     * Example: <code><pre>
+     * {xx,NULL,zz} = string_to_array('xx~^~yy~^~zz', '~^~', 'yy')
+     * </pre></code>
+     */
+    @Support({ POSTGRES })
+    public static Field<String[]> stringToArray(String string, Field<String> delimiter, Field<String> nullString) {
+        return stringToArray(val(string, String.class), delimiter, nullString);
+    }
+
+    /**
+     * The PostgreSQL <code>string_to_array(anyarray, delimiter)</code> function.
+     * <p>
+     * Example: <code><pre>
+     * {xx,NULL,zz} = string_to_array('xx~^~yy~^~zz', '~^~', 'yy')
+     * </pre></code>
+     */
+    @Support({ POSTGRES })
+    public static Field<String[]> stringToArray(Field<String> string, String delimiter, String nullString) {
+        return stringToArray(string, val(delimiter, String.class), val(nullString, String.class));
+    }
+
+    /**
+     * The PostgreSQL <code>string_to_array(anyarray, delimiter)</code> function.
+     * <p>
+     * Example: <code><pre>
+     * {xx,NULL,zz} = string_to_array('xx~^~yy~^~zz', '~^~', 'yy')
+     * </pre></code>
+     */
+    @Support({ POSTGRES })
+    public static Field<String[]> stringToArray(Field<String> string, Field<String> delimiter, Field<String> nullString) {
+        return field("{string_to_array}({0}, {1}, {2})", SQLDataType.VARCHAR.getArrayDataType(), nullSafe(string), nullSafe(delimiter), nullSafe(nullString));
+    }
+
     // -------------------------------------------------------------------------
     // Other PostgreSQL-specific functions / clauses
     // -------------------------------------------------------------------------