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https://issues.apache.org/jira/browse/SPARK-22680?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16281235#comment-16281235
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Jiang Xingbo commented on SPARK-22680:
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Could you also post the result of EXPLAIN? Thanks!
> SparkSQL scan all partitions when the specified partitions are not exists in
> parquet formatted table
> ----------------------------------------------------------------------------------------------------
>
> Key: SPARK-22680
> URL: https://issues.apache.org/jira/browse/SPARK-22680
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.2, 2.2.0
> Environment: spark2.0.2 spark2.2.0
> Reporter: Xiaochen Ouyang
>
> 1. spark-sql --master local[2]
> 2. create external table test (id int,name string) partitioned by (country
> string,province string, day string,hour int) stored as parquet localtion
> '/warehouse/test';
> 3.produce data into table test
> 4. select count(1) from test where country = '185' and province = '021' and
> day = '2017-11-12' and hour = 10; if the 4 filter conditions are not exists
> in HDFS and MetaStore[mysql] , this sql will scan all partitions in table test
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