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https://issues.apache.org/jira/browse/HUDI-7461?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ethan Guo updated HUDI-7461:
----------------------------
Fix Version/s: (was: 0.15.0)
> Date columns showing incorrect integer values while doing CDC read
> ------------------------------------------------------------------
>
> Key: HUDI-7461
> URL: https://issues.apache.org/jira/browse/HUDI-7461
> Project: Apache Hudi
> Issue Type: Bug
> Components: incremental-query
> Reporter: Aditya Goenka
> Priority: Critical
> Fix For: 0.16.0
>
>
> Date columns are showing integer values while doing CDC read.
> For timestamp columns also it is converting into epoch , may be doing similar
> conversion for date column causing wrong integer values.
>
> Reproducible Code -
>
> ```
> columns = ["ts","uuid","rider","driver","fare","city", "report_date"]
> data
> =[(1695159649087,"334e26e9-8355-45cc-97c6-c31daf0df330","rider-A","driver-K",19.10,"san_francisco",
> "2022-01-01"),
> (1695091554788,"e96c4396-3fad-413a-a942-4cb36106d721","rider-B","driver-L",27.70
> ,"san_francisco", "2022-01-01"),
> (1695046462179,"9909a8b1-2d15-4d3d-8ec9-efc48c536a00","rider-C","driver-M",33.90
> ,"san_francisco", "2022-01-01"),
> (1695516137016,"e3cf430c-889d-4015-bc98-59bdce1e530c","rider-C","driver-N",34.15,"sao_paulo",
> "2022-01-01")]
> inserts = spark.createDataFrame(data).toDF(*columns)
> hudi_options = {
> 'hoodie.table.name': tableName,
> 'hoodie.datasource.write.recordkey.field' : 'uuid',
> 'hoodie.datasource.write.precombine.field' : 'ts',
> 'hoodie.datasource.write.partitionpath.field': 'city',
> 'hoodie.datasource.write.reconcile.schema':'true',
> 'hoodie.table.cdc.enabled':'true',
> }
> inserts = inserts.withColumn("report_date", expr("CAST(report_date as
> timestamp)"))
> inserts.write.format("hudi"). \
> options(**hudi_options). \
> mode("overwrite"). \
> save(basePath)
> cdc_read_options = {
> 'hoodie.datasource.query.incremental.format': 'cdc',
> 'hoodie.datasource.query.type': 'incremental',
> 'hoodie.datasource.read.begin.instanttime': 0
> }
> df = spark.read.format("hudi").load(basePath)
> df.show(10, False)
> spark.read.format("hudi"). \
> options(**cdc_read_options). \
> load(basePath).show(10, False)
> ```
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