Thread: Parser - keyword cathegory

Hello,<br /><br />I'm writing my bachelor thesis and I can't find anywhere what exactly means the third parameter in
ScanKeywordin pgsql/src/backend/parser/keywords.c - specificly UNRESERVED_KEYWORD, RESERVED_KEYWORD,
TYPE_FUNC_NAME_KEYWORD,COL_NAME_KEYWORD. Could someone explain it to me? Thank you<br /><br />Kind regards<br /><br
/>RadekStrnad<br /> 

Radek Strnad escreveu:

> I'm writing my bachelor thesis and I can't find anywhere what exactly
> means the third parameter in ScanKeyword in
> pgsql/src/backend/parser/keywords.c - specificly UNRESERVED_KEYWORD,
> RESERVED_KEYWORD, TYPE_FUNC_NAME_KEYWORD, COL_NAME_KEYWORD. Could
> someone explain it to me? Thank you
> 
It's only a category information. Take a look at (almost at the end of) gram.y
to understand what each category is.


--  Euler Taveira de Oliveira http://www.timbira.com/

Radek Strnad wrote:
> I'm writing my bachelor thesis and I can't find anywhere what exactly means
> the third parameter in ScanKeyword in pgsql/src/backend/parser/keywords.c -
> specificly UNRESERVED_KEYWORD, RESERVED_KEYWORD, TYPE_FUNC_NAME_KEYWORD,
> COL_NAME_KEYWORD. Could someone explain it to me? Thank you

It indicates in what contexts the keyword acts as a reserved keyword, in 
other words can't be used as a name for an object without quoting. See 
the corresponding rules in gram.y.

--   Heikki Linnakangas  EnterpriseDB   http://www.enterprisedb.com