Mark the isH2ModeMySQL, isMySQL, isFirebird, isMSSQLServer fields as private…

Mark the isH2ModeMySQL, isMySQL, isFirebird, isMSSQLServer fields as private because they are not accessed outside this class.
Remove the storedUpperCaseIdentifiers field because it is not read from anywhere.

h2/src/main/org/h2/server/web/DbContents.java

@@ -45,7 +45,7 @@ public class DbContents {
     /**
      * True if this is a H2 database in MySQL mode.
      */
-    boolean isH2ModeMySQL;
+    private boolean isH2ModeMySQL;
 
     /**
      * True if this is a PostgreSQL database.
@@ -55,7 +55,7 @@ public class DbContents {
     /**
      * True if this is a MySQL database.
      */
-    boolean isMySQL;
+    private boolean isMySQL;
 
     /**
      * True if this is an Apache Derby database.
@@ -65,7 +65,7 @@ public class DbContents {
     /**
      * True if this is a Firebird database.
      */
-    boolean isFirebird;
+    private boolean isFirebird;
 
     /**
      * True if this is an SQLite database.
@@ -75,13 +75,7 @@ public class DbContents {
     /**
      * True if this is a MS SQL Server database.
      */
-    boolean isMSSQLServer;
-
-    /**
-     * True if the unquoted names are stored as upper case.
-     * False for MySQL and PostgreSQL.
-     */
-    boolean storedUpperCaseIdentifiers;
+    private boolean isMSSQLServer;
 
     /**
      * Get the column index of a column in a result set. If the column is not
@@ -131,7 +125,6 @@ public class DbContents {
             isFirebird = url.startsWith("jdbc:firebirdsql:");
             isMSSQLServer = url.startsWith("jdbc:sqlserver:");
         }
-        storedUpperCaseIdentifiers = meta.storesUpperCaseIdentifiers();
         String defaultSchemaName = getDefaultSchemaName(meta);
         String[] schemaNames = getSchemaNames(meta);
         schemas = new DbSchema[schemaNames.length];