| From: | Seamus Abshere <seamus(at)abshere(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Vladimir Sitnikov <sitnikov(dot)vladimir(at)gmail(dot)com> |
| Cc: | Dave Cramer <pg(at)fastcrypt(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, Kris Jurka <books(at)ejurka(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Alias hstore's ? to ~ so that it works with JDBC |
| Date: | 2013-02-11 17:42:18 |
| Message-ID: | 51192D7A.7070203@abshere.net |
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| Lists: | pgsql-hackers |
On 2/11/13 11:30 AM, Tom Lane wrote:
> It would take extremely deep knowledge of SQL syntax for the driver to
> reliably tell the difference between a variable and an operator
Yes, auto-detecting the difference between bind vars and operators would
probably be even more difficult than providing escapes for ?, the
difficulty of which Kris pointed out earlier:
On 2/8/13 at 10:43AM Kris Jurka wrote:
> This will be more complicated than you might hope because the escape processing currently happens prior to bind parameter detection
The relevant section, I believe, is:
https://github.com/pgjdbc/pgjdbc/blob/master/org/postgresql/core/v3/QueryExecutorImpl.java#L164
Best,
Seamus
PS. Thanks Andrew for reminding me about top-posting :)
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