public static QueryPlanner getQueryPlanner(SamzaSqlApplicationConfig sqlConfig) {
    return new QueryPlanner(sqlConfig.getRelSchemaProviders(), sqlConfig.getInputSystemStreamConfigBySource(),
        sqlConfig.getUdfMetadata(), sqlConfig.isQueryPlanOptimizerEnabled());
  }
Get {@link QueryPlanner} given {@link SamzaSqlApplicationConfig}
@param sqlConfig {@link SamzaSqlApplicationConfig}
@return {@link QueryPlanner}
samza-sql/src/main/java/org/apache/samza/sql/dsl/SamzaSqlDslConverter.java