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https://issues.apache.org/jira/browse/SPARK-19687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Praveen Tallapudi updated SPARK-19687:
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Summary: Does SPARK supports for Postgres JSONB to store JSON data, if yes,
kindly please help us with any examples. (was: SPARK supports for Postgres
JSONB to store JSON data, if yes, kindly please help us with any examples.)
> Does SPARK supports for Postgres JSONB to store JSON data, if yes, kindly
> please help us with any examples.
> -----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-19687
> URL: https://issues.apache.org/jira/browse/SPARK-19687
> Project: Spark
> Issue Type: Question
> Components: Spark Core
> Affects Versions: 2.1.1
> Reporter: Praveen Tallapudi
>
> Dear Team,
> I am little new to Scala development and trying to find the solution for the
> below. Please forgive me if this is not the correct place to post this
> question.
> I am trying to insert data from a data frame into postgres table.
>
> Dataframe Schema:
> root
> |-- ID: string (nullable = true)
> |-- evtInfo: struct (nullable = true)
> | |-- @date: string (nullable = true)
> | |-- @time: string (nullable = true)
> | |-- @timeID: string (nullable = true)
> | |-- TranCode: string (nullable = true)
> | |-- custName: string (nullable = true)
> | |-- evtInfo: array (nullable = true)
> | | |-- element: string (containsNull = true)
> | |-- Type: string (nullable = true)
> | |-- opID: string (nullable = true)
> | |-- tracNbr: string (nullable = true)
>
>
> DataBase Table Schema:
> CREATE TABLE public.test
> (
> id bigint NOT NULL,
> evtInfo jsonb NOT NULL,
> evt_val bigint NOT NULL
> )
>
> When I use dataFrame_toSave.write.mode(SaveMode.Append).jdbc(dbUrl,
> "public.test", dbPropForDFtoSave) to save the data, I am seeing the below
> error.
>
> Exception in thread "main" java.lang.IllegalArgumentException: Can't get JDBC
> type for
> struct<@dateEvt:string,@timeEvt:string,@timeID:string,CICSTranCode:string,custName:string,evtInfo:array<string>,evtType:string,operID:string,trackingNbr:string>
>
> Can you please suggest the best approach to save the data frame into the
> posgres JSONB table.
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