KE-36478 support string function in DS V2#472

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chenzhx merged 10 commits intokyspark-3.2.x-4.xfrom

kyspark-3.2.x-4.x-agg-pushdown

May 31, 2022

Commits on May 27, 2022

[SPARK-38997][SQL] DS V2 aggregate push-down supports group by expressions

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[SPARK-39135][SQL] DS V2 aggregate partial push-down should supports group by without aggregate functions

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chenzhx
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[SPARK-39157][SQL] H2Dialect should override getJDBCType so as make the data type is correct

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chenzhx
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[SPARK-39162][SQL] Jdbc dialect should decide which function could be pushed down

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[SPARK-38897][SQL] DS V2 supports push down string functions
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Commits on May 28, 2022

[SPARK-28330][SQL] Support ANSI SQL: result offset clause in query expression

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chenzhx
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Commits on May 29, 2022

[SPARK-39057][SQL] Offset could work without Limit

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[SPARK-39159][SQL] Add new Dataset API for Offset

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fix ut
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Commits on May 30, 2022

update spark version
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