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https://issues.apache.org/jira/browse/BEAM-3973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mairbek Khadikov resolved BEAM-3973.
------------------------------------
    Resolution: Fixed

> Allow to disable batch API in SpannerIO
> ---------------------------------------
>
>                 Key: BEAM-3973
>                 URL: https://issues.apache.org/jira/browse/BEAM-3973
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp
>    Affects Versions: 2.4.0
>            Reporter: Mairbek Khadikov
>            Assignee: Mairbek Khadikov
>            Priority: Blocker
>             Fix For: 2.5.0
>
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> In 2.4.0, SpannerIO#read has been migrated to use batch API. The batch API 
> provides abstractions to scale out reads from Spanner, but it requires the 
> query to be root-partitionable. The root-partitionable queries cover majority 
> of the use cases, however there are examples when running arbitrary query is 
> useful. For example, reading all the table names from the 
> information_schema.* and reading the content of those tables in the next 
> step. 



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