SHOW LOAD description example keyword SHOW LOAD description 该语句用于展示指定的导入任务的执行情况 语法： SHOW LOAD [ FROM db_name ] [ WHERE [ LABEL ...

SHOW LOAD description example keyword SHOW LOAD description 该语句用于展示指定的导入任务的执行情况 语法： SHOW LOAD [ FROM db_name ] [ WHERE [ LABEL [...

Synchronize after merge Description Options General Tab Advanced Tab Metadata Injection Support Synchronize after merge Description The Synchronize After Merge transform c...

Merge rows (diff) Description Options Metadata Injection Support Merge rows (diff) Description The Merge Rows (Diff) transform compares and merges data within two rows of da...

Synchronize after merge Description Options General Tab Advanced Tab Metadata Injection Support Synchronize after merge Description The Synchronize after merge transform c...

去重 去重 Batch Streaming 去重是去掉重复的行，只保留第一或者最后一行。有时，上游的 ETL 生成的数据不是端到端精确一次的。在发生故障恢复后，可能会导致结果下游中出现重复记录。这些重复记录会影响下游的分析工作，比如：SUM 、COUNT 的结果会偏大，所以需要先去重再进行下一步的分析。 Flink 使用 ROW_NUMBER() ...

SHOW-LOAD Name Description Example Keywords Best Practice SHOW-LOAD Name SHOW LOAD Description 该语句用于展示指定的导入任务的执行情况 语法： SHOW LOAD [ FROM db_name ] [ WHERE ...

User Defined Java Expression Description Options Metadata Injection Support Examples User Defined Java Expression Description This transform allows you to enter User Define...

Concepts Flink’s APIs Concepts The Hands-on Training explains the basic concepts of stateful and timely stream processing that underlie Flink’s APIs, and provides examples of ...

Comparison to Spark Summary Language Ecosystem Age and Trust Scope Internal Design Scale APIs DataFrames Machine Learning Arrays Streaming Graphs / complex networks Cust...