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[SPARK-32234][FOLLOWUP][SQL]Update the description of utility method #29232

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[SPARK-32234][FOLLOWUP][SQL]Update the description of utility method #29232

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452c3dd
update the decription helper method
SaurabhChawla100 Jul 25, 2020
0f411b7
update the decription helper method
SaurabhChawla100 Jul 25, 2020
80ccedd
add the code change to update prunned col in the desc
SaurabhChawla100 Jul 25, 2020
54bba19
update the description of the method
SaurabhChawla100 Jul 27, 2020
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14 changes: 10 additions & 4 deletions sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/orc/OrcUtils.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -207,10 +207,16 @@ object OrcUtils extends Logging {
}

/**
* @return Returns the result schema string based on the canPruneCols flag.
* resultSchemaString will be created using resultsSchema in case of
* canPruneCols is true and for canPruneCols as false value
* resultSchemaString will be created using the actual dataSchema.
* Returns the result schema to read from ORC file. In addition, It sets
* the schema string to 'orc.mapred.input.schema' so ORC reader can use later.
*
* @param canPruneCols Flag to decide whether pruned cols schema is send to resultSchema
* or to send the entire dataSchema to resultSchema.
* @param dataSchema Schema of the orc files.
* @param resultSchema Result data schema created after pruning cols.
* @param partitionSchema Schema of partitions.
* @param conf Hadoop Configuration.
* @return Returns the result schema as string.
*/
def orcResultSchemaString(
canPruneCols: Boolean,
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