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Patrick Wendell commented on SPARK-5195: ---------------------------------------- I reverted this from Spark 1.2. > when hive table is query with alias the cache data lose effectiveness. > ------------------------------------------------------------------------ > > Key: SPARK-5195 > URL: https://issues.apache.org/jira/browse/SPARK-5195 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 1.2.0 > Reporter: yixiaohua > Fix For: 1.3.0 > > > override the MetastoreRelation's sameresult method only compare databasename > and table name > because in previous : > cache table t1; > select count() from t1; > it will read data from memory but the sql below will not,instead it read from > hdfs: > select count() from t1 t; > because cache data is keyed by logical plan and compare with sameResult ,so > when table with alias the same table 's logicalplan is not the same logical > plan with out alias so modify the sameresult method only compare databasename > and table name -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org