From 00d97e9697275b45057a3131d2b47a1eb65ea56d Mon Sep 17 00:00:00 2001
From: dnovitski <54758025+dnovitski@users.noreply.github.com>
Date: Thu, 21 Aug 2025 11:40:49 +0200
Subject: [PATCH] HHH-19697 Use case-insensitive Dialect query pattern matching

(cherry picked from commit 9178e329bfff8e9e73b84fd5ccb26d62ce29c0cb)
---
 .../src/main/java/org/hibernate/dialect/Dialect.java           | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java b/hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java
index 36a22063575a..7588cdf789d6 100644
--- a/hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java
+++ b/hibernate-core/src/main/java/org/hibernate/dialect/Dialect.java
@@ -337,7 +337,8 @@ public abstract class Dialect implements ConversionContext, TypeContributor, Fun
 	private static final Pattern ESCAPE_CLOSING_COMMENT_PATTERN = Pattern.compile( "\\*/" );
 	private static final Pattern ESCAPE_OPENING_COMMENT_PATTERN = Pattern.compile( "/\\*" );
 	private static final Pattern QUERY_PATTERN = Pattern.compile(
-		"^\\s*(select\\b.+?\\bfrom\\b.+?)(\\b(?:natural )?(?:left |right |full )?(?:inner |outer |cross )?join.+?\\b)?(\\bwhere\\b.+?)$");
+		"^\\s*(select\\b.+?\\bfrom\\b.+?)(\\b(?:natural )?(?:left |right |full )?(?:inner |outer |cross )?join.+?\\b)?(\\bwhere\\b.+?)$",
+			Pattern.CASE_INSENSITIVE);
 
 	private static final CoreMessageLogger LOG = Logger.getMessageLogger( MethodHandles.lookup(), CoreMessageLogger.class, Dialect.class.getName() );