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https://issues.apache.org/jira/browse/CALCITE-6663?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Julian Hyde updated CALCITE-6663:
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Summary: Support SPLIT_PART function for Postgres (was: Support SPLIT_PART
function for postgresql)
> Support SPLIT_PART function for Postgres
> ----------------------------------------
>
> Key: CALCITE-6663
> URL: https://issues.apache.org/jira/browse/CALCITE-6663
> Project: Calcite
> Issue Type: Improvement
> Reporter: Qi Zhu
> Priority: Major
> Labels: pull-request-available
>
> {{We can support split_part function for postgresq:}}
> {{split_part}} ( _{{string}}_ {{{}text{}}}, _{{delimiter}}_ {{{}text{}}},
> _{{n}}_ {{integer}} ) → {{text}}
> Splits _{{string}}_ at occurrences of _{{delimiter}}_ and returns the
> {_}{{n}}{_}'th field (counting from one), or when _{{n}}_ is negative,
> returns the |{_}{{n}}{_}|'th-from-last field.
> {{split_part('abc~@~def~@~ghi', '~@~', 2)}} → {{def}}
> {{split_part('abc,def,ghi,jkl', ',', -2)}} → {{ghi}}
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