HHH-9794 - Replace string with preceding comma is not replacing string as required

(cherry picked from commit 4218f365e5)

hibernate-core/src/main/java/org/hibernate/hql/internal/QuerySplitter.java

@@ -74,6 +74,8 @@ public final class QuerySplitter {
 		String next;
 		String last = tokens[start - 1].toLowerCase(Locale.ROOT);
 
+		boolean inQuote = false;
+
 		for ( int i = start; i < tokens.length; i++ ) {
 
 			String token = tokens[i];
@@ -82,11 +84,19 @@ public final class QuerySplitter {
 				templateQuery.append( token );
 				continue;
 			}
-
+			else if ( isQuoteCharacter( token) ) {
+				inQuote = !inQuote;
+				templateQuery.append( token );
+				continue;
+			}
+			else if ( inQuote ) {
+				templateQuery.append( token );
+				continue;
+			}
 			next = nextNonWhite( tokens, i ).toLowerCase(Locale.ROOT);
 
-			boolean process = isJavaIdentifier( token ) &&
-					isPossiblyClassName( last, next );
+			boolean process = isJavaIdentifier( token )
+					&& isPossiblyClassName( last, next );
 
 			last = token.toLowerCase(Locale.ROOT);
 
@@ -116,6 +126,10 @@ public final class QuerySplitter {
 		return results;
 	}
 
+	private static boolean isQuoteCharacter(String token) {
+		return "'".equals( token ) || "\"".equals( token );
+	}
+
 	private static String nextNonWhite(String[] tokens, int start) {
 		for ( int i = start + 1; i < tokens.length; i++ ) {
 			if ( !ParserHelper.isWhitespace( tokens[i] ) ) {

hibernate-core/src/test/java/org/hibernate/test/hql/QuerySplitterTest.java

@@ -0,0 +1,70 @@
+/*
+ * Hibernate, Relational Persistence for Idiomatic Java
+ *
+ * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
+ * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
+ */
+package org.hibernate.test.hql;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import org.hibernate.hql.internal.QuerySplitter;
+
+import org.hibernate.testing.junit4.BaseNonConfigCoreFunctionalTestCase;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Steve Ebersole
+ */
+public class QuerySplitterTest extends BaseNonConfigCoreFunctionalTestCase {
+	@Test
+	public void testQueryWithEntityNameAsStringLiteral() {
+		final String qry = "select e from Employee a where e.name = ', Employee Number 1'";
+
+		String[] results = QuerySplitter.concreteQueries( qry, sessionFactory() );
+		assertEquals( 1, results.length );
+		assertEquals(
+				"select e from org.hibernate.test.hql.QuerySplitterTest$Employee a where e.name = ', Employee Number 1'",
+				results[0]
+		);
+	}
+
+	@Override
+	protected Class[] getAnnotatedClasses() {
+		return new Class[] { Employee.class };
+	}
+
+	@Entity( name = "Employee" )
+	@Table( name= "tabEmployees" )
+	public class Employee {
+		@Id
+		private long id;
+		private String name;
+
+		public Employee() {
+
+		}
+
+		public Employee(long id, String strName) {
+			this();
+			this.name = strName;
+		}
+
+		public long getId() {
+			return id;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String strName) {
+			this.name = strName;
+		}
+
+	}
+}