From 3ff08643ce1fccfd0364c444f493d5d8c54c09cd Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Wed, 18 Nov 2020 12:59:15 +0100
Subject: [PATCH] [jOOQ/jOOQ#10668] Parser should ignore TRUNC() call when
 parsing TRUNC(CURRENT_DATE) or TRUNC(SYSDATE)

---
 jOOQ/src/main/java/org/jooq/impl/ParserImpl.java | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 2fa56ad242..d6d51f1456 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -7945,7 +7945,11 @@ final class ParserImpl implements Parser {
             }
 
             parse(ctx, ')');
-            if (arg1.getDataType().isDateTime())
+
+            // [#10668] Ignore TRUNC() when calling TRUNC(CURRENT_DATE) or TRUNC(SYSDATE) in Oracle
+            if (arg1 instanceof CurrentDate)
+                return arg1;
+            else if (arg1.getDataType().isDateTime())
                 return DSL.trunc((Field) arg1, DatePart.DAY);
             else if (arg1.getDataType().isNumeric())
                 return DSL.trunc((Field) arg1, inline(0));