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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2020/08/27 14:00:00 UTC

[jira] [Closed] (FLINK-18555) Make TableConfig options can be configured by string-based Configuration

     [ https://issues.apache.org/jira/browse/FLINK-18555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jark Wu closed FLINK-18555.
---------------------------
    Resolution: Fixed

Implemented in master(1.12.0): 94a27b5e36e9d224221ee7316d062dbd9dfa83f1

> Make TableConfig options can be configured by string-based Configuration
> ------------------------------------------------------------------------
>
>                 Key: FLINK-18555
>                 URL: https://issues.apache.org/jira/browse/FLINK-18555
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table SQL / API
>            Reporter: Jark Wu
>            Assignee: Shengkai Fang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.12.0
>
>
> TableConfig should fully rely on a Configuration-based object with ConfigOptions. So that it can be configured using string-based configuration, such as from a configuration file or SQL CLI SET command.
> [~jark], [~twalthr], and [~fhueske] discussed the configuration options (see comments in FLINK-16835) and concluded with the following design:
> {code:java}
>   public static final ConfigOption<Duration> IDLE_STATE_RETENTION =
>       key("table.exec.state.ttl")
>           .durationType()
>           .defaultValue(Duration.ofMillis(0));
>   public static final ConfigOption<Integer> MAX_LENGTH_GENERATED_CODE =
>       key("table.generated-code.max-length")
>           .intType()
>           .defaultValue(64000);
>   public static final ConfigOption<String> LOCAL_TIME_ZONE =
>       key("table.local-time-zone")
>           .stringType()
>           .defaultValue(ZoneId.systemDefault().toString());
> {code}
> *Note*: The following {{TableConfig}} options are not preserved:
> * {{nullCheck}}: Flink will automatically enable null checks based on the table schema ({{NOT NULL}} property)
> * {{decimalContext}}: this configuration is only used by the legacy planner which will be removed in one of the next releases
> * {{maxIdleStateRetention}}: is automatically derived as 1.5* {{idleStateRetention}} until StateTtlConfig is fully supported (at which point only a single parameter is required).



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