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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2018/11/09 13:22:51 UTC
[GitHub] ambition119 removed a comment on issue #7067: [FLINK-10674] [table]
DistinctAccumulator.remove occur NPE
ambition119 removed a comment on issue #7067: [FLINK-10674] [table] DistinctAccumulator.remove occur NPE
URL: https://github.com/apache/flink/pull/7067#issuecomment-437321281
Complex Event Processing (CEP) SQL Realization is a new feature. Use statement :
```sql
SELECT [ ALL | DISTINCT ]
{ * | projectItem [, projectItem ]* }
FROM tableExpression
[MATCH_RECOGNIZE (
[PARTITION BY {partitionItem [, partitionItem]*}]
[ORDER BY {orderItem [, orderItem]*}]
[MEASURES {measureItem AS col [, measureItem AS col]*}]
[ONE ROW PER MATCH|ALL ROWS PER MATCH|ONE ROW PER MATCH WITH TIMEOUT ROWS|ALL ROWS PER MATCH WITH TIMEOUT ROWS]
[AFTER MATCH SKIP]
PATTERN (patternVariable[quantifier] [ patternVariable[quantifier]]*) WITHIN intervalExpression
DEFINE {patternVariable AS patternDefinationExpression [, patternVariable AS patternDefinationExpression]*}
)];
```
I cann't create new pull request, sorry
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