• import org.apache.flink.table.api.EnvironmentSettings;
  • import org.apache.flink.table.api.TableEnvironment;
  • public final class xxx(类名,jar包名称){
  • public WordCountSQLExample() {
  • }
  • public static void main(String[] args) throws Exception {
  • //创建flink运行环境
  • EnvironmentSettings settings = EnvironmentSettings.newInstance().inBatchMode().build();
  • //创建flink-table运行环境
  • TableEnvironment tableEnv = TableEnvironment.create(settings);
  • //tableEnv.executeSql(” 写入sql语句 “)
  • tableEnv.executeSql(“SELECT word, SUM(frequency) AS `count`\nFROM (\n VALUES (‘Hello’, 1), (‘Ciao’, 1), (‘Hello’, 2)\n)\nAS WordTable(word, frequency)\nGROUP BY word”).print(); }
  • }

作者 admin

张宴银,大数据开发工程师

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