From bb871723a71db2d8a8a97a028f7421d17564814d Mon Sep 17 00:00:00 2001
From: Knut Wannheden <knut.wannheden@gmail.com>
Date: Fri, 7 Jun 2019 15:23:47 +0200
Subject: [PATCH] [jOOQ/jOOQ#8760] [jOOQ/jOOQ#7518] Parse TIMESTAMPDIFF()

The parser now supports parsing the TIMESTAMPDIFF() function, which is
mapped to DSL#timestampDiff().
---
 jOOQ/src/main/java/org/jooq/impl/ParserImpl.java | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 3403684308..676f0bbaf7 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -5743,6 +5743,8 @@ final class ParserImpl implements Parser {
                         return field;
                     else if ((field = parseFieldToTimestampIf(ctx)) != null)
                         return field;
+                    else if ((field = parseFieldTimestampDiffIf(ctx)) != null)
+                        return field;
 
                 if (N.is(type) || D.is(type))
                     if ((field = parseFieldTruncIf(ctx)) != null)
@@ -7065,6 +7067,20 @@ final class ParserImpl implements Parser {
         return null;
     }
 
+    private static final Field<?> parseFieldTimestampDiffIf(ParserContext ctx) {
+        if (parseFunctionNameIf(ctx, "TIMESTAMPDIFF")) {
+            parse(ctx, '(');
+            Field<Timestamp> ts1 = (Field<Timestamp>) parseField(ctx, Type.D);
+            parse(ctx, ',');
+            Field<Timestamp> ts2 = (Field<Timestamp>) parseField(ctx, Type.D);
+            parse(ctx, ')');
+
+            return DSL.timestampDiff(ts1, ts2);
+        }
+
+        return null;
+    }
+
     private static final Field<?> parseFieldRtrimIf(ParserContext ctx) {
         if (parseFunctionNameIf(ctx, "RTRIM")) {
             parse(ctx, '(');