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[SPARK-19575][SQL]Reading from or writing to a hive serde table with a non pre-existing location should succeed #16910

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windpiger wants to merge 17 commits into from
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[SPARK-19575][SQL]Reading from or writing to a hive serde table with a non pre-existing location should succeed #16910

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[SPARK-19575][SQL]Reading from or writing to a hive serde table with …
windpiger Feb 13, 2017
401e86d
remove some comment
windpiger Feb 13, 2017
4493a8f
mv the logic to makeRDDForTable
windpiger Feb 21, 2017
6fb2b57
remove redundant import
windpiger Feb 21, 2017
b4caca7
fix a comment
windpiger Feb 21, 2017
119fa64
modify some test case code
windpiger Feb 22, 2017
3870e19
fix when the table is created by 'stored by'
windpiger Feb 27, 2017
92d1067
replace the constant of STORAGE_HADNLER
windpiger Feb 27, 2017
4f660d2
modfiy test case
windpiger Feb 28, 2017
7aa43b1
modfiy test case
windpiger Feb 28, 2017
f83d81d
merge with master
windpiger Mar 1, 2017
2456a94
fix test failed
windpiger Mar 1, 2017
f4b4d29
fix test failed
windpiger Mar 1, 2017
3dcd6c6
modify some tests
windpiger Mar 1, 2017
065af19
Merge branch 'master' into selectHiveFromNotExistLocation
windpiger Mar 2, 2017
a4f771a
merge with master
windpiger Mar 2, 2017
15c0a77
add makeQualifiedPath func
windpiger Mar 3, 2017
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fix test failed
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@windpiger
windpiger committed Mar 1, 2017
commit f4b4d29b4d75266411a8fc7366e5ade6facf516d
7 changes: 4 additions & 3 deletions sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -111,13 +111,14 @@ class HadoopTableReader(

// Create local references to member variables, so that the entire `this` object won't be
// serialized in the closure below.
val localTableDesc = tableDesc
val broadcastedHadoopConf = _broadcastedHadoopConf

val tablePath = hiveTable.getPath
val inputPathStr = applyFilterIfNeeded(tablePath, filterOpt)

val locationPath = new Path(inputPathStr)
val fs = locationPath.getFileSystem(_broadcastedHadoopConf.value.value)
val fs = locationPath.getFileSystem(broadcastedHadoopConf.value.value)

// if the location of the table which is not created by 'stored by' does not exist,
// return an empty RDD
Expand All @@ -130,15 +131,15 @@ class HadoopTableReader(
// logDebug("Table input: %s".format(tablePath))
val ifc = hiveTable.getInputFormatClass
.asInstanceOf[java.lang.Class[InputFormat[Writable, Writable]]]
val hadoopRDD = createHadoopRdd(tableDesc, inputPathStr, ifc)
val hadoopRDD = createHadoopRdd(localTableDesc, inputPathStr, ifc)

val attrsWithIndex = attributes.zipWithIndex
val mutableRow = new SpecificInternalRow(attributes.map(_.dataType))

val deserializedHadoopRDD = hadoopRDD.mapPartitions { iter =>
val hconf = broadcastedHadoopConf.value.value
val deserializer = deserializerClass.newInstance()
deserializer.initialize(hconf, tableDesc.getProperties)
deserializer.initialize(hconf, localTableDesc.getProperties)
HadoopTableReader.fillObject(iter, deserializer, attrsWithIndex, mutableRow, deserializer)
}

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