Introduce GenericAppenderFactory and GenericAppenderHelper #1340
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JingsongLi
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openinx
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Aug 18, 2020
| return Avro.write(outputFile) | ||
| .schema(schema) | ||
| .createWriterFunc(DataWriter::create) | ||
| .named(fileFormat.name()) |
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The name is usually a table name for the given schema. not fileFormat. we may need to remove this line, or set it with a reasonable table name.
| return Parquet.write(outputFile) | ||
| .schema(schema) | ||
| .createWriterFunc(GenericParquetWriter::buildWriter) | ||
| .named(fileFormat.name()) |
| return ORC.write(outputFile) | ||
| .schema(schema) | ||
| .createWriterFunc(GenericOrcWriter::buildWriter) | ||
| .setAll(config) |
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To keep the consistent semantics, I suggest to set overwrite=true. Both flink and spark's FileAppenderFactory have enabled the overwrite.
openinx
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Aug 18, 2020
| .withPath(file.toURI().toString()) | ||
| .withMetrics(appender.metrics()) | ||
| .withFormat(format); | ||
| if (partition != null) { |
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We could call the withPartition(partition) directly without this nullable check, because builder will handle this inside it.
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Thanks @JingsongLi, looks good. |
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In #1293, we found lot of places use
switch case avro orc parquetto create appender, these logicals can be extract toGenericAppenderFactory.