Flink SQL语法检查错误Column 'xx' not found in any tableFlink SQL语法检查错误Column 'xx' not ...
问题三:flink sql执行的时候,如果不用实体对象去封装有什么解决办法吗? flink sql执行的时候,接收到上游的datastream数据对象是用map封装的,然后执行时报错:Column 'o7' not found in any table 如果不用实体对象去封装有什么解决办法吗? 参考回答: 你可以使用 map() 函数对数据进行转换,如下所示: val data =...
sql.BatchUpdateException: error pos 8013, line 1, column 8014, token EOF at org.apache.flink.connector.jdbc.internal.JdbcBatchingOutputFormat.flush(JdbcBatchingOutputFormat.java:190) at org.apache.flink.connector.jdbc.internal.JdbcBatchingOutputFormat.lambda$open$0(JdbcBatchingOutputFormat.java:128) at ...
Flink SQL> show tables; Empty set Flink SQL> CREATE TABLE alan_first_table ( > t_id BIGINT, > t_name STRING, > t_balance DOUBLE, > t_age INT > ) WITH ( > 'connector' = 'filesystem', > 'path' = 'hdfs://HadoopHAcluster/flinktest/firstdemo/', > 'format' = 'csv' > ); ...
Function Deduplication removes rows that duplicate over a set of columns, keeping only the first one or the last one. Syntax SELECT[column_list]FROM(SELECT[column_list],ROW_NUMBER()OVER([PARTITIONBYcol1[, col2...]]ORDERBYtime_attr [asc|desc])ASrownumFROMtable_name)WHERErownum=1 ...
Reason: org.apache.flink.table.api.ValidationException: Column types of query result and sink for 'default_catalog.default_database.target_user11' do not match. Cause: Incompatible types for sink column 'create_time' at position 4. Query schema: [id: INT NOT NULL, name: STRING, dept_id:...
Table 2 Metadata column Key Data Type R/W Description topic STRING NOT NULL R Topic name of the Kafka record. partition INT NOT NULL R Partition ID of the Kafka record. headers MAP<STRING, BYTES> NOT NULL R/W Headers of Kafka messages. leader-epoch INT NULL R Leader epoch of the Ka...
tablePrimary [ matchRecognize ] [ [ AS ] alias ['(' columnAlias [, columnAlias ]* ')'] ] tablePrimary: [ TABLE ] [ [ catalogName . ] schemaName . ] tableName| LATERAL TABLE '(' functionName '(' expression [, expression ]* ')' ')' ...
本文翻译自官网:SQLhttps://ci.apache.org/projects/flink/flink-docs-release-1.9/dev/table/sql.html 这是Flink 支持的 数据定义语言(DDL) 和数据操纵语言的完整列表。 查询 指定查询 支持语法 操作 DDL 指定DDL 创建表 删除表 Data Types Reserved保留关键字 ...
68、重启flink单机集群,还报job not found 异常。 69、kafka的数据是用 org.apache.kafka.common.serialization.ByteArraySerialize序列化的,flink这边消费的时候怎么通过FlinkKafkaConsumer创建DataStream? 70、现在公司有一个需求,一些用户的支付日志,通过sls收集,要把这些日志处理后,结果写入到MySQL,关键这些日志可能连着...