Re: Escaping in C-language functions
От | Andreas Scherbaum |
---|---|
Тема | Re: Escaping in C-language functions |
Дата | |
Msg-id | 3CAB2AF6.D7EDA003@htl.de обсуждение исходный текст |
Ответ на | Re: Escaping in C-language functions (Jan Wieck <janwieck@yahoo.com>) |
Список | pgsql-general |
Jan Wieck wrote: > > >>>i have a C-language function and need to escape some strings returned > > >>>from SPI_getvalue to insert into another query string. > > >>>Is there a proper way to do the escaping or should i use > > >>>my own functions for that? > > >>>Or i'm totally wrong and there's a better way to get the values > > >>>from a row and insert it into another table? > > >> > > > > > >>If you are using 7.2, see section 1.3.2. (Escaping strings for inclusion > > >>in SQL queries) at: > > >>http://www.us.postgresql.org/users-lounge/docs/7.2/postgres/libpq-exec.html > > >> > > >>If you are using < 7.2, you'll have to create your own function. See > > >>fe-exec.c in current sources for the 7.2 function. > > > > > > > > > I'm inside a C-language function (on the server side), not inside a > > > application written in C. [...] > There is a builtin function > > quote_literal(text) returns text Any idea (or a short example code) how to use this function inside a trigger function written in C? The value is returned from SPI_getbinval (Datum) or SPI_getvalue (char i think). But in the last method i have a problem with \0. Best regards -- Andreas 'ads' Scherbaum
В списке pgsql-general по дате отправления: