Re: Tackling JsonPath support
От | Pavel Stehule |
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Тема | Re: Tackling JsonPath support |
Дата | |
Msg-id | CAFj8pRCSj4hQ_rOODyPp91asPdiLWLqTDcjJmxwjoaUfH1h_cQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Tackling JsonPath support (David Fetter <david@fetter.org>) |
Ответы |
Re: Tackling JsonPath support
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Список | pgsql-hackers |
<p dir="ltr"><p dir="ltr">Dne 28. 11. 2016 17:26 napsal uživatel "David Fetter" <<a href="mailto:david@fetter.org">david@fetter.org</a>>:<br/> ><br /> > On Sun, Nov 27, 2016 at 11:50:30AM -0500, ChristianConvey wrote:<br /> > > >From looking at other databases' docs, it seems like the behavior of<br /> >> various JSON-related operators / functions are described partially in terms<br /> > > of a "json path expression":<br/> > ><br /> > > * In Oracle, "JSON_TABLE", "JSON_exists_column", "JSON_value_column": [1]<br/> > > * In MySQL: [2]<br /> > > * In DB2: [3]<br /> > > * In MS SQL Server: [4]<br /> > >* (Whatever the Standards committee will end up producing.)<br /> ><br /> > There's another option we should alsoconsider: jq<br /> > <<a href="https://stedolan.github.io/jq/">https://stedolan.github.io/jq/</a>>. It's availableunder a<br /> > PostgreSQL-compatible license, and has had a LOT of work put into<br /> > correctness andperformance.<p dir="ltr">we can use it for inspiration. but the syntax of this tool is little bit too complex and toooriginal against Json path ... jsonpath is relative simple implementation of xpath to json<p dir="ltr">we have one proprietarysyntax already, two is maybe too much :-)<br /><p dir="ltr">><br /> > Best,<br /> > David.<br /> >--<br /> > David Fetter <david(at)fetter(dot)org> <a href="http://fetter.org/">http://fetter.org/</a><br />> Phone: +1 415 235 3778 AIM: dfetter666 Yahoo!: dfetter<br /> > Skype: davidfetter XMPP: david(dot)fetter(at)gmail(dot)com<br/> ><br /> > Remember to vote!<br /> > Consider donating to Postgres: <a href="http://www.postgresql.org/about/donate">http://www.postgresql.org/about/donate</a><br/>
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