[GitHub] [spark] wangyum opened a new pull request #24743: [WIP][SPARK-27883][SQL] Port AGGREGATES.sql [Part 2]

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wangyum opened a new pull request #24743: [WIP][SPARK-27883][SQL] Port AGGREGATES.sql [Part 2]
URL: https://github.com/apache/spark/pull/24743
 
 
   ## What changes were proposed in this pull request?
   
   This PR is to port AGGREGATES.sql from PostgreSQL regression tests. https://github.com/postgres/postgres/blob/REL_12_BETA1/src/test/regress/sql/aggregates.sql#L145-L350
   
   The expected results can be found in the link: https://github.com/postgres/postgres/blob/REL_12_BETA1/src/test/regress/expected/aggregates.out#L499-L984
   
   When porting the test cases, found four PostgreSQL specific features that do not exist in Spark SQL:
   
   - [SPARK-27877](https://issues.apache.org/jira/browse/SPARK-27877): Implement SQL-standard LATERAL subqueries
   - [SPARK-27878](https://issues.apache.org/jira/browse/SPARK-27878): Support ARRAY(sub-SELECT) expressions
   - [SPARK-27879](https://issues.apache.org/jira/browse/SPARK-27879): Implement bitwise integer aggregates(BIT_AND and BIT_OR)
   - [SPARK-27880](https://issues.apache.org/jira/browse/SPARK-27880): Implement boolean aggregates(BOOL_AND, BOOL_OR and EVERY)
   
   
   
   ## How was this patch tested?
   
   N/A

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