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[SPARK-23624][SQL]Revise doc of method pushFilters in Datasource V2 - #20769
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[SPARK-23624][SQL]Revise doc of method pushFilters in Datasource V2#20769gengliangwang wants to merge 1 commit into
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gengliangwang
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SparkQA
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Test build #88075 has finished for PR 20769 at commit
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gengliangwang
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Mar 8, 2018
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retest this please. |
SparkQA
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Test build #88077 has finished for PR 20769 at commit
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gengliangwang
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Mar 8, 2018
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retest this please. |
SparkQA
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Mar 8, 2018
Test build #88083 has finished for PR 20769 at commit
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Mar 9, 2018
## What changes were proposed in this pull request? Revise doc of method pushFilters in SupportsPushDownFilters/SupportsPushDownCatalystFilters In `FileSourceStrategy`, except `partitionKeyFilters`(the references of which is subset of partition keys), all filters needs to be evaluated after scanning. Otherwise, Spark will get wrong result from data sources like Orc/Parquet. This PR is to improve the doc. Author: Wang Gengliang <gengliang.wang@databricks.com> Closes#20769 from gengliangwang/revise_pushdown_doc. (cherry picked from commit 10b0657) Signed-off-by: gatorsmile <gatorsmile@gmail.com>
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## What changes were proposed in this pull request? Revise doc of method pushFilters in SupportsPushDownFilters/SupportsPushDownCatalystFilters In `FileSourceStrategy`, except `partitionKeyFilters`(the references of which is subset of partition keys), all filters needs to be evaluated after scanning. Otherwise, Spark will get wrong result from data sources like Orc/Parquet. This PR is to improve the doc. Author: Wang Gengliang <gengliang.wang@databricks.com> Closesapache#20769 from gengliangwang/revise_pushdown_doc. (cherry picked from commit 10b0657) Signed-off-by: gatorsmile <gatorsmile@gmail.com>
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## What changes were proposed in this pull request? Revise doc of method pushFilters in SupportsPushDownFilters/SupportsPushDownCatalystFilters In `FileSourceStrategy`, except `partitionKeyFilters`(the references of which is subset of partition keys), all filters needs to be evaluated after scanning. Otherwise, Spark will get wrong result from data sources like Orc/Parquet. This PR is to improve the doc. Author: Wang Gengliang <gengliang.wang@databricks.com> Closesapache#20769 from gengliangwang/revise_pushdown_doc.
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What changes were proposed in this pull request?
Revise doc of method pushFilters in SupportsPushDownFilters/SupportsPushDownCatalystFilters
In
FileSourceStrategy, exceptpartitionKeyFilters(the references of which is subset of partition keys), all filters needs to be evaluated after scanning. Otherwise, Spark will get wrong result from data sources like Orc/Parquet.This PR is to improve the doc.