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[SPARK-16362][SQL] Support ArrayType and StructType in vectorized Parquet reader #14388

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viirya wants to merge 3 commits into from
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[SPARK-16362][SQL] Support ArrayType and StructType in vectorized Parquet reader #14388

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8cfeb7e
Add ArrayType, StructType support to vectorized Parquet reader.
viirya Jul 27, 2016
9bae60f
Merge remote-tracking branch 'upstream/master' into vectorized-parque…
viirya Aug 12, 2016
d0d7230
Fix it.
viirya Aug 12, 2016
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5 changes: 5 additions & 0 deletions ...a/org/apache/spark/sql/execution/datasources/parquet/SpecificParquetRecordReaderBase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@
import org.apache.parquet.hadoop.util.ConfigurationUtil;
import org.apache.parquet.schema.MessageType;
import org.apache.parquet.schema.Types;
import org.apache.spark.sql.execution.datasources.parquet.ParquetSchemaConverter;
import org.apache.spark.sql.execution.datasources.parquet.ParquetStruct;
import org.apache.spark.TaskContext;
import org.apache.spark.TaskContext$;
import org.apache.spark.sql.types.StructType;
Expand All @@ -81,6 +83,7 @@ public abstract class SpecificParquetRecordReaderBase<T> extends RecordReader<Vo
protected MessageType fileSchema;
protected MessageType requestedSchema;
protected StructType sparkSchema;
protected ParquetStruct parquetSchema;

/**
* The total number of rows this RecordReader will eventually read. The sum of the
Expand Down Expand Up @@ -146,6 +149,8 @@ public void initialize(InputSplit inputSplit, TaskAttemptContext taskAttemptCont
String sparkRequestedSchemaString =
configuration.get(ParquetReadSupport$.MODULE$.SPARK_ROW_REQUESTED_SCHEMA());
this.sparkSchema = StructType$.MODULE$.fromString(sparkRequestedSchemaString);
this.parquetSchema =
new ParquetSchemaConverter(configuration).getParquetStruct(requestedSchema);
this.reader = new ParquetFileReader(
configuration, footer.getFileMetaData(), file, blocks, requestedSchema.getColumns());
for (BlockMetaData block : blocks) {
Expand Down
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