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Posted to commits@hudi.apache.org by "sivabalan narayanan (Jira)" <ji...@apache.org> on 2023/04/24 02:31:00 UTC

[jira] [Updated] (HUDI-5835) spark cannot read mor table after execute update statement

     [ https://issues.apache.org/jira/browse/HUDI-5835?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sivabalan narayanan updated HUDI-5835:
--------------------------------------
    Fix Version/s:     (was: 0.12.3)

> spark cannot read mor table after execute update statement
> ----------------------------------------------------------
>
>                 Key: HUDI-5835
>                 URL: https://issues.apache.org/jira/browse/HUDI-5835
>             Project: Apache Hudi
>          Issue Type: Bug
>          Components: spark
>    Affects Versions: 0.13.0
>            Reporter: Tao Meng
>            Assignee: Tao Meng
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 0.13.1
>
>
> avro schema create by sparksql miss avro name and namespace, 
> This will lead the read schema and write schema of the log file to be incompatible
>  
> {code:java}
> // code placeholder
>  spark.sql(
>    s"""
>       |create table $tableName (
>       |  id int,
>       |  name string,
>       |  price double,
>       |  ts long,
>       |  ff decimal(38, 10)
>       |) using hudi
>       | location '${tablePath.toString}'
>       | tblproperties (
>       |  type = 'mor',
>       |  primaryKey = 'id',
>       |  preCombineField = 'ts'
>       | )
> """.stripMargin)
>  spark.sql(s"insert into $tableName select 1, 'a1', 10, 1000, 10.0")
> checkAnswer(s"select id, name, price, ts from $tableName")(
>   Seq(1, "a1", 10.0, 1000)
> )
> spark.sql(s"update $tableName set price = 22 where id = 1")
> checkAnswer(s"select id, name, price, ts from $tableName")(   -------- failed
>   Seq(1, "a1", 22.0, 1000)
> )
> {code}
>  



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