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[SPARK-8811][SQL] Read array struct data from parquet error #7209

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[SPARK-8811][SQL] Read array struct data from parquet error #7209

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ecd2547
Change schema for array type from element to array_element
Sephiroth-Lin Jul 3, 2015
3d38a75
Update TestSuite
Sephiroth-Lin Jul 3, 2015
e887706
Update, array_element to array
Sephiroth-Lin Jul 7, 2015
49ca112
Update unit test
Sephiroth-Lin Jul 7, 2015
d931141
Update unit test
Sephiroth-Lin Jul 7, 2015
0069895
Update
Sephiroth-Lin Jul 7, 2015
2480abd
Update unit test
Sephiroth-Lin Jul 7, 2015
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Change schema for array type from element to array_element
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@Sephiroth-Lin
Sephiroth-Lin committed Jul 3, 2015
commit ecd25477abd6735514ab48549a4a937bf6d00f42
6 changes: 3 additions & 3 deletions sql/core/src/main/scala/org/apache/spark/sql/parquet/CatalystSchemaConverter.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -446,7 +446,7 @@ private[parquet] class CatalystSchemaConverter(
field.name,
Types
.buildGroup(REPEATED)
.addField(convertField(StructField("element", elementType, nullable)))
.addField(convertField(StructField("array_element", elementType, nullable)))
.named(CatalystConverter.ARRAY_CONTAINS_NULL_BAG_SCHEMA_NAME))

// Spark 1.4.x and prior versions convert ArrayType with non-nullable elements into a 2-level
Expand All @@ -459,7 +459,7 @@ private[parquet] class CatalystSchemaConverter(
ConversionPatterns.listType(
repetition,
field.name,
convertField(StructField("element", elementType, nullable), REPEATED))
convertField(StructField("array_element", elementType, nullable), REPEATED))

// Spark 1.4.x and prior versions convert MapType into a 3-level group annotated by
// MAP_KEY_VALUE. This is covered by `convertGroupField(field: GroupType): DataType`.
Expand Down Expand Up @@ -490,7 +490,7 @@ private[parquet] class CatalystSchemaConverter(
.buildGroup(repetition).as(LIST)
.addField(
Types.repeatedGroup()
.addField(convertField(StructField("element", elementType, containsNull)))
.addField(convertField(StructField("array_element", elementType, containsNull)))
.named("list"))
.named(field.name)

Expand Down