我使用的是flink 1.9版本,在sql中将where条件的一个字段传入了汉字,返回的字段值却是unicode编码。如果不按照汉字做条件,返回的字段值则是汉字。请问有没有人遇到过这个问题?
测试代码: tEnv.connect( new Kafka() .version("universal") .topic("flink-test-topic-1") .startFromGroupOffsets() .property("bootstrap.servers", "192.168.129.101:9192") .property("group.id", "flink-test-consumer-group") ).withFormat(new Json() .failOnMissingField(false) .deriveSchema() ).withSchema(new Schema() .field("TI", Types.STRING) .field("EV", Types.STRING) .field("CS_HOST", Types.STRING) .field("DCS_ID", Types.STRING) .field("complex_row", Types.ROW_NAMED(new String[]{"first_level_row", "first_level_int"}, Types.ROW_NAMED(new String[]{"second_level_str1", "second_level_str2"}, Types.STRING, Types.STRING), Types.INT)) .field("proc", Types.SQL_TIMESTAMP).proctime() ).inAppendMode().registerTableSource("kafka_src"); Table table1 = tEnv.sqlQuery("select * from kafka_src where TI = '会话登录'"); Table table2 = tEnv.sqlQuery("select * from kafka_src where EV = 'view'"); tEnv.toAppendStream(table1, Row.class).print(); tEnv.toAppendStream(table2, Row.class).print(); 输出结果: \u4F1A\u8BDD\u767B\u5F55,view,-,hCOsDjIKi8pcW0VmFASlY4bTMw7yZG,aaa,bbb,100,2019-09-17T09:42:43.731 会话登录,view,-,hCOsDjIKi8pcW0VmFASlY4bTMw7yZG,aaa,bbb,100,2019-09-17T09:42:43.731 发送自 Windows 10 版邮件<https://go.microsoft.com/fwlink/?LinkId=550986>应用