From 051cb2571da79ed83c40a35a01fb13e1c63c6bce Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Sat, 27 Jan 2018 15:47:23 +0100
Subject: [PATCH] [#6485] Support SQL Server LEN() function

---
 jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt | 3 ++-
 jOOQ/src/main/java/org/jooq/impl/ParserImpl.java             | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt b/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt
index 414bb9af16..5582481987 100644
--- a/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt
+++ b/jOOQ-manual/src/main/resources/org/jooq/web/grammar-3.11.txt
@@ -380,7 +380,7 @@ orderBy =
 offsetFetch =
   'OFFSET' unsignedInteger
   [
-    [ 'ROW' | 'ROWS' ] 'FETCH' ( 'FIRST' | 'NEXT' ) unsignedInteger ( 'ROW' | 'ROWS' ) ( 'ONLY' | 'WITH TIES' )
+    [ 'ROW' | 'ROWS' ] 'FETCH' ( 'FIRST' | 'NEXT' ) [ unsignedInteger ] ( 'ROW' | 'ROWS' ) ( 'ONLY' | 'WITH TIES' )
   | [ 'LIMIT' unsignedInteger [ 'WITH TIES' ] ]
   ]
 | 'LIMIT' unsignedInteger
@@ -568,6 +568,7 @@ term =
 | 'LPAD' '(' field ',' field [ ',' field ] ')'
 | 'LTRIM' '(' field ')'
 | 'LEFT' '(' field ',' field ')'
+| 'LEN' '(' field ')'
 | 'LENGTH' '(' field ')'
 | 'LN' '(' sum ')'
 | 'LOG' '(' sum ',' unsignedInteger ')'
diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 04019fb939..395391e5b5 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -4585,7 +4585,7 @@ final class ParserImpl implements Parser {
     }
 
     private static final Field<?> parseFieldLengthIf(ParserContext ctx) {
-        if (parseFunctionNameIf(ctx, "LENGTH")) {
+        if (parseFunctionNameIf(ctx, "LENGTH") || parseFunctionNameIf(ctx, "LEN")) {
             parse(ctx, '(');
             Field<String> f1 = (Field) parseField(ctx, S);
             parse(ctx, ')');