From 55763c545d34ea0481649e1293c9888bb367c812 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Thu, 24 Sep 2020 11:00:48 +0200
Subject: [PATCH] [jOOQ/jOOQ#9044] Add support for parsing single parameter
 numeric TRUNC() function

---
 jOOQ/src/main/java/org/jooq/impl/ParserImpl.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index e53a5baa03..c06415aa4d 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -7918,6 +7918,10 @@ final class ParserImpl implements Parser {
             parse(ctx, ')');
             if (arg1.getDataType().isDateTime())
                 return DSL.trunc((Field) arg1, DatePart.DAY);
+            else if (arg1.getDataType().isNumeric())
+                return DSL.trunc((Field) arg1, inline(0));
+
+            // [#9044] By default, assume historic TRUNC(date) behaviour
             else
                 return DSL.trunc((Field) arg1);
         }