public String buildSchemaIdentify(String database, String schema, String table) {
        if (schema == null) {
            return database + Constants.SEMICOLON + table;
        }
        return database + Constants.SEMICOLON + schema + Constants.SEMICOLON + table;
    }
build record schema identify,in the form of database.schema.table or database.table

@param database the database name of record
@param schema the schema name of record
@param table the table name of record
@return the record schema identify
inlong-sort/sort-flink/base/src/main/java/org/apache/inlong/sort/base/metric/sub/SinkTableMetricData.java