Polishing

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/GenericTableMetaDataProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2023 the original author or authors.
+ * Copyright 2002-2024 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -258,6 +258,7 @@ public String schemaNameToUse(@Nullable String schemaName) {
 		return identifierNameToUse(schemaName);
 	}
 
+	@Nullable
 	private String identifierNameToUse(@Nullable String identifierName) {
 		if (identifierName == null) {
 			return null;
@@ -326,8 +327,8 @@ private void locateTableAndProcessMetaData(DatabaseMetaData databaseMetaData,
 			tables = databaseMetaData.getTables(
 					catalogNameToUse(catalogName), schemaNameToUse(schemaName), tableNameToUse(tableName), null);
 			while (tables != null && tables.next()) {
-				TableMetaData tmd = new TableMetaData(tables.getString("TABLE_CAT"), tables.getString("TABLE_SCHEM"),
-						tables.getString("TABLE_NAME"));
+				TableMetaData tmd = new TableMetaData(tables.getString("TABLE_CAT"),
+						tables.getString("TABLE_SCHEM"), tables.getString("TABLE_NAME"));
 				if (tmd.schemaName() == null) {
 					tableMeta.put(this.userName != null ? this.userName.toUpperCase() : "", tmd);
 				}

spring-jdbc/src/main/java/org/springframework/jdbc/core/metadata/TableMetaDataContext.java

@@ -425,14 +425,15 @@ public boolean isGeneratedKeysColumnNameArraySupported() {
 		return obtainMetaDataProvider().isGeneratedKeysColumnNameArraySupported();
 	}
 
+
 	private static final class QuoteHandler {
 
 		@Nullable
 		private final String identifierQuoteString;
 
 		private final boolean quoting;
 
-		private QuoteHandler(@Nullable String identifierQuoteString) {
+		public QuoteHandler(@Nullable String identifierQuoteString) {
 			this.identifierQuoteString = identifierQuoteString;
 			this.quoting = StringUtils.hasText(identifierQuoteString);
 		}