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https://issues.apache.org/jira/browse/CALCITE-2699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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xuqianjin resolved CALCITE-2699.
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Resolution: Fixed
> The bug of timestampadd handles time
> -------------------------------------
>
> Key: CALCITE-2699
> URL: https://issues.apache.org/jira/browse/CALCITE-2699
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.17.0, 1.18.0
> Reporter: xuqianjin
> Assignee: Julian Hyde
> Priority: Major
> Fix For: 1.18.0, 1.17.0
>
>
> Two errors occur when {{timestampadd(MINUTE, 1, time '01:00:00')}} is
> executed:
> # The return result can only be of {{TimeStamp}} type and is expected to be
> of {{Time}} type
> # The return value is {{1970-01-01 01:01:00}}, and the expectation is
> {{01:01:00}}
> # I think it should meet the following conditions:
> ||expression||Expect the result||
> |timestampadd(MINUTE, -1, time '00:00:00')|23:59:00|
> |timestampadd(MINUTE, 1, time '00:00:00')|00:01:00|
> |timestampadd(MINUTE, 1, time '23:59:59')|00:00:59|
> |timestampadd(SECOND, 1, time '23:59:59')|00:00:00|
> |timestampadd(HOUR, 1, time '23:59:59')|00:59:59|
> |timestampadd(DAY, -1, time '23:59:59')|23:59:59|
> |timestampadd(WEEK, -1, time '23:59:59')|23:59:59|
> |timestampadd(MONTH, -1, time '23:59:59')|23:59:59|
> |timestampadd(QUARTER, -1, time '23:59:59')|23:59:59|
> |timestampadd(YEAR, -1, time '23:59:59')|23:59:59|
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