[flink] Support hint-based watermark configuration for Flink connector#3266
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swuferhong wants to merge 1 commit intoapache:mainfrom
Open
[flink] Support hint-based watermark configuration for Flink connector#3266swuferhong wants to merge 1 commit intoapache:mainfrom
swuferhong wants to merge 1 commit intoapache:mainfrom
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Purpose
Linked issue: close #3265
scan.watermark.enabled,scan.watermark.column,scan.watermark.delay) that can be specified via SQL hints/*+ OPTIONS(...) */.WatermarkContextclass for bettercode cohesion and reduced constructor parameter count.
scan.watermark.enabled=false→ disable watermark (highest priority)scan.watermark.columnspecified → hint-based watermark overrides table-levelWatermarkStrategy.noWatermarks()TIMESTAMP,TIMESTAMP_LTZ, andBIGINT(epoch millis) column types.table.exec.source.idle-timeoutto handle idle splits.Brief change log
Tests
API and Format
Documentation