On Mon, Jun 10, 2024 at 10:08 AM David G. Johnston < david.g.johns...@gmail.com> wrote:
> On Mon, Jun 10, 2024 at 7:02 AM Ron Johnson <ronljohnso...@gmail.com> > wrote: > >> PG 9.6 and PG 14 >> >> >> https://www.postgresql.org/docs/14/sql-syntax-lexical.html#SQL-SYNTAX-CONSTANTS >> >> [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.
