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https://issues.apache.org/jira/browse/CALCITE-2868?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hongze Zhang updated CALCITE-2868:
----------------------------------
Description:
Syntax of {{JSON key uniqueness constraint}}:
{code:java}
<JSON key uniqueness constraint> ::= WITH UNIQUE [ KEYS ] | WITHOUT UNIQUE [
KEYS ]
{code}
>From ISO/IEC 9075-6[1]:
{quote}
If <JSON key uniqueness constraint> is not specified, then WITHOUT UNIQUE KEYS
is implicit.
{quote}
[1]
http://standards.iso.org/ittf/PubliclyAvailableStandards/c065143_ISO_IEC_TR_19075-5_2016.zip
was:
Syntax of {{JSON key uniqueness constraint}}:
{code:java}
<JSON key uniqueness constraint> ::= WITH UNIQUE [ KEYS ] | WITHOUT UNIQUE [
KEYS ]
{code}
> Support for JSON key uniqueness constraint
> ------------------------------------------
>
> Key: CALCITE-2868
> URL: https://issues.apache.org/jira/browse/CALCITE-2868
> Project: Calcite
> Issue Type: Sub-task
> Reporter: Hongze Zhang
> Priority: Major
>
> Syntax of {{JSON key uniqueness constraint}}:
> {code:java}
> <JSON key uniqueness constraint> ::= WITH UNIQUE [ KEYS ] | WITHOUT UNIQUE [
> KEYS ]
> {code}
> From ISO/IEC 9075-6[1]:
> {quote}
> If <JSON key uniqueness constraint> is not specified, then WITHOUT UNIQUE
> KEYS is implicit.
> {quote}
> [1]
> http://standards.iso.org/ittf/PubliclyAvailableStandards/c065143_ISO_IEC_TR_19075-5_2016.zip
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