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