feat(streaming): watermark on append only table #8207
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…hao/watermark_append_only_table
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## main #8207 +/- ##
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- Coverage 71.70% 71.70% -0.01%
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Files 1131 1131
Lines 182341 182390 +49
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+ Hits 130748 130775 +27
- Misses 51593 51615 +22
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st1page
approved these changes
Feb 27, 2023
| @@ -13,3 +13,13 @@ | |||
| └─StreamRowIdGen { row_id_index: 1 } | |||
| └─StreamWatermarkFilter { watermark_descs: [idx: 0, expr: (v1 - '00:00:01':Interval)] } | |||
| └─StreamSource { source: "t", columns: ["v1", "_row_id"] } | |||
| - name: watermark on append only table | |||
| sql: | | |||
| explain create table t (v1 timestamp with time zone, watermark for v1 as v1 - INTERVAL '1' SECOND) with (connector = 'kafka', kafka.topic = 'kafka_3_partition_topic', kafka.brokers = '127.0.0.1:1234', kafka.scan.startup.mode='earliest', appendonly=true) ROW FORMAT JSON; | |||
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emm, our usual usage is without the external connector. So maybe removing it is better?
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I think we can keep both behaviors undocumented for test. I'll add a new planner test.
xx01cyx
reviewed
Feb 28, 2023
yuhao-su
commented
Feb 28, 2023
Comment on lines
+468
to
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| if !append_only && !watermark_descs.is_empty() { | ||
| return Err(ErrorCode::NotSupported( | ||
| "Defining watermarks on table requires the table to be append only.".to_owned(), | ||
| "Set the option `appendonly=true`".to_owned(), | ||
| ) | ||
| .into()); | ||
| } | ||
|
|
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@xx01cyx append only part
BugenZhao
reviewed
Feb 28, 2023
Comment on lines
+361
to
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| if let Some(catalog) = self.source_catalog() && !catalog.watermark_descs.is_empty() && !self.core.for_table{ | ||
| plan = StreamWatermarkFilter::new(plan, catalog.watermark_descs.clone()).into(); | ||
| } | ||
|
|
||
| assert!(!(self.core.gen_row_id && self.core.for_table)); |
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