WebJun 13, 2024 · Flink SQL 中使用 for SYSTEM_TIME as of PROC_TIME () 的语法来标识维表 JOIN,仅支持 INNER JOIN 与 LEFT JOIN 。 SELECT column- names FROM table1 [ AS < alias1 >] [ LEFT] JOIN table2 FOR SYSTEM_TIME AS OF table1.proctime [ AS < alias2 >] ON table1.column - name1 = table2.key - name1 注意: table1.proctime 表示 … WebApache Flink SQL Cookbook. The Apache Flink SQL Cookbook is a curated collection of examples, patterns, and use cases of Apache Flink SQL. Many of the recipes are …
FLIP-162: Consistent Flink SQL time function behavior
WebApr 12, 2024 · Introduction. Alice is a data engineer taking care of real-time data processing in her company. She found that Flink SQL sometimes can produce update (with regard to keys) events. But, with the early versions of Flink, those events can not be written to Kafka directly because Kafka is an append-only messaging system essentially. WebMar 22, 2024 · CREATE TABLE `Order` ( id INT, product_id INT, quantity INT, order_time TIMESTAMP(3), PRIMARY KEY (id) NOT ENFORCED, WATERMARK FOR order_time AS order_time ) WITH ( 'connector' = 'datagen', 'fields.id.kind' = 'sequence', 'fields.id.start' = '1', 'fields.id.end' = '100000', 'fields.product_id.min' = '1', 'fields.product_id.max' = '100', … how expensive is leather
Data Types Apache Flink
WebFlink parses SQL using Apache Calcite, which supports standard ANSI SQL. The following BNF-grammar describes the superset of supported SQL features in batch and streaming queries. The Operations section shows examples for the supported features and indicates which features are only supported for batch or streaming queries. Grammar ↕ WebNov 9, 2024 · From your code table dig_user_join_kafka had set event-time attribute,dimension table can do like: CREATE TABLE dim_city_hbase ( id STRING, info … WebDec 30, 2024 · Currently, the FOR SYSTEM_TIME AS OF syntax used in temporal join with latest version of any view/table is not support yet Basically, processing time is … how expensive is live2d