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From: David G. Johnston <[email protected]>
To: Ron Johnson <[email protected]>
Cc: pgsql-general <[email protected]>
Subject: Re: Escaping single quotes with backslash seems not to work
Date: Mon, 10 Jun 2024 07:07:44 -0700
Message-ID: <CAKFQuwbdAm7=RziKxF+jQki0KXb-quan5fA3sfq8JKoDR3Jumw@mail.gmail.com> (raw)
In-Reply-To: <CANzqJaD0=V+Dh+mLLfLj4ECLHriAH122LiYaqKyAnWCAKCfa6A@mail.gmail.com>
References: <CANzqJaD0=V+Dh+mLLfLj4ECLHriAH122LiYaqKyAnWCAKCfa6A@mail.gmail.com>

On Mon, Jun 10, 2024 at 7:02 AM Ron Johnson <[email protected]> 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.

David J.

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