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https://issues.apache.org/jira/browse/BEAM-9890?focusedWorklogId=451901&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-451901
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ASF GitHub Bot logged work on BEAM-9890:
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Author: ASF GitHub Bot
Created on: 27/Jun/20 19:37
Start Date: 27/Jun/20 19:37
Worklog Time Spent: 10m
Work Description: Imfuyuwei commented on pull request #12110:
URL: https://github.com/apache/beam/pull/12110#issuecomment-650610318
> Sometimes you might need a class casting though:
https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/zetasql/src/test/java/org/apache/beam/sdk/extensions/sql/zetasql/ZetaSQLDialectSpecTest.java#L276
Yes, I tried several ways but the results are different from what I expected
(neither -1L nor null). Do you know if there are some handy methods to print
the elements of a PCollection to the console?
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Issue Time Tracking
-------------------
Worklog Id: (was: 451901)
Time Spent: 3h 20m (was: 3h 10m)
> Support BIT_AND aggregation function in BeamSQL
> -----------------------------------------------
>
> Key: BEAM-9890
> URL: https://issues.apache.org/jira/browse/BEAM-9890
> Project: Beam
> Issue Type: Task
> Components: dsl-sql, dsl-sql-zetasql
> Reporter: Rui Wang
> Assignee: Yuwei Fu
> Priority: P2
> Labels: starter
> Fix For: Not applicable
>
> Time Spent: 3h 20m
> Remaining Estimate: 0h
>
> Performs a bitwise AND operation on expression and returns the result.
> Supported Argument Types: INT64
> Returned Data Types: INT64
> Examples
> {code:sql}
> SELECT BIT_AND(c) as bit_and FROM UNNEST([0xF001, 0x00A1]) as c;
> +---------+
> | bit_and |
> +---------+
> | 1 |
> +---------+
> {code}
> What is expected: should include both Calcite and ZetaSQL dialects.
> How to test: unit tests
> Reference:
> https://cloud.google.com/bigquery/docs/reference/standard-sql/aggregate_functions#bit_and
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