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https://issues.apache.org/jira/browse/BEAM-8344?focusedWorklogId=323638&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-323638
]
ASF GitHub Bot logged work on BEAM-8344:
----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Oct/19 18:11
Start Date: 04/Oct/19 18:11
Worklog Time Spent: 10m
Work Description: amaliujia commented on pull request #9721: [BEAM-8344]
Add inferSchema support in ParquetIO and refactor ParquetTableProvider
URL: https://github.com/apache/beam/pull/9721#discussion_r331624690
##########
File path:
sdks/java/io/parquet/src/main/java/org/apache/beam/sdk/io/parquet/ParquetIO.java
##########
@@ -122,15 +122,34 @@
* pattern).
*/
public static Read read(Schema schema) {
- return new AutoValue_ParquetIO_Read.Builder().setSchema(schema).build();
+ return new AutoValue_ParquetIO_Read.Builder()
+ .setSchema(schema)
+ .setInferBeamSchema(false)
+ .build();
}
/**
* Like {@link #read(Schema)}, but reads each file in a {@link PCollection}
of {@link
* org.apache.beam.sdk.io.FileIO.ReadableFile}, which allows more flexible
usage.
*/
public static ReadFiles readFiles(Schema schema) {
- return new
AutoValue_ParquetIO_ReadFiles.Builder().setSchema(schema).build();
+ return new AutoValue_ParquetIO_ReadFiles.Builder()
+ .setSchema(schema)
+ .setInferBeamSchema(false)
+ .build();
+ }
+
+ private static <T> PCollection<T> setBeamSchema(
+ PCollection<T> pc, Class<T> clazz, @Nullable Schema schema) {
+ org.apache.beam.sdk.schemas.Schema beamSchema =
+ org.apache.beam.sdk.schemas.utils.AvroUtils.getSchema(clazz, schema);
+ if (beamSchema != null) {
Review comment:
Because here you won't throw exception if there is not beamSchema, why not
just make "inforSchema" as a non-optional action so we don't need set the
boolean to control it?
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Issue Time Tracking
-------------------
Worklog Id: (was: 323638)
Time Spent: 20m (was: 10m)
> Add infer schema support in ParquetIO and refactor ParquetTableProvider
> -----------------------------------------------------------------------
>
> Key: BEAM-8344
> URL: https://issues.apache.org/jira/browse/BEAM-8344
> Project: Beam
> Issue Type: Improvement
> Components: dsl-sql, io-java-parquet
> Reporter: Vishwas
> Assignee: Vishwas
> Priority: Major
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Add support for inferring Beam Schema in ParquetIO.
> Refactor ParquetTable code to use Convert.rows().
> Remove unnecessary java class GenericRecordReadConverter.
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