From d1db74fc4bf3dd9f76253bb043ce36650539f6a5 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Fri, 4 Dec 2020 09:07:43 +0100
Subject: [PATCH] [jOOQ/jOOQ#11089] Add parser support for COERCE(x AS <data
 type>)

---
 jOOQ/src/main/java/org/jooq/impl/ParserImpl.java | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index db549c8396..95d221387f 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -87,6 +87,7 @@ import static org.jooq.impl.DSL.characterSet;
 import static org.jooq.impl.DSL.check;
 import static org.jooq.impl.DSL.choose;
 import static org.jooq.impl.DSL.coalesce;
+import static org.jooq.impl.DSL.coerce;
 import static org.jooq.impl.DSL.collation;
 import static org.jooq.impl.DSL.concat;
 import static org.jooq.impl.DSL.condition;
@@ -9438,14 +9439,17 @@ final class ParserImpl implements Parser {
     }
 
     private static final Field<?> parseFieldCastIf(ParserContext ctx) {
-        if (parseFunctionNameIf(ctx, "CAST")) {
+        boolean cast = parseFunctionNameIf(ctx, "CAST");
+        boolean coerce = !cast && parseFunctionNameIf(ctx, "COERCE");
+
+        if (cast || coerce) {
             parse(ctx, '(');
             Field<?> field = parseField(ctx);
             parseKeyword(ctx, "AS");
             DataType<?> type = parseCastDataType(ctx);
             parse(ctx, ')');
 
-            return cast(field, type);
+            return cast ? cast(field, type) : coerce(field, type);
         }
 
         return null;