Re: Escaping single quotes with backslash seems not to work
| От | Ron Johnson |
|---|---|
| Тема | Re: Escaping single quotes with backslash seems not to work |
| Дата | |
| Msg-id | CANzqJaCL_p2LmCAUPGUYxOJPN-iOs-JWbpU4ssH+rSw27DmvhA@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: Escaping single quotes with backslash seems not to work ("David G. Johnston" <david.g.johnston@gmail.com>) |
| Ответы |
Re: Escaping single quotes with backslash seems not to work
Re: Escaping single quotes with backslash seems not to work |
| Список | pgsql-general |
On Mon, Jun 10, 2024 at 10:08 AM David G. Johnston <david.g.johnston@gmail.com> wrote:
PG 9.6 and PG 14[quote]Any other character following a backslash is taken literally. Thus, to include a backslash character, write two backslashes (\\). Also, a single quote can be included in an escape string by writing\', in addition to the normal way of''.[/quote]The link you provided goes to the wrong subsection. The following subsection, which discusses, String Constants With C-Style Escapes, requires that you write the literal as E'abc\'def'Note the E prefix on the literal, which is the thing that enables considering backslash as an escape.
This hasn't changed from 9.6, has it?
A Java app that uses backslash escapes broke this morning on fields with single quotes, after the weekend migration from PG 9.6.24 to 14.12, and I don't know why. I'm not a Java programmer, though.
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