diff options
Diffstat (limited to 'src/backend/parser/parse_func.c')
| -rw-r--r-- | src/backend/parser/parse_func.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/backend/parser/parse_func.c b/src/backend/parser/parse_func.c index 551e7d2b585..bad9401c609 100644 --- a/src/backend/parser/parse_func.c +++ b/src/backend/parser/parse_func.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.88 2000/08/20 00:44:18 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/parser/parse_func.c,v 1.89 2000/08/24 03:29:05 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -560,13 +560,13 @@ ParseFuncOrColumn(ParseState *pstate, char *funcname, List *fargs, { /* we know all of these fields already */ /* - * We create a funcnode with a placeholder function SetEval. - * SetEval() never actually gets executed. When the function - * evaluation routines see it, they use the funcid projected out - * from the relation as the actual function to call. Example: - * retrieve (emp.mgr.name) The plan for this will scan the emp - * relation, projecting out the mgr attribute, which is a funcid. - * This function is then called (instead of SetEval) and "name" is + * We create a funcnode with a placeholder function seteval(). + * At runtime, seteval() will execute the function identified + * by the funcid it receives as parameter. + * + * Example: retrieve (emp.mgr.name). The plan for this will scan the + * emp relation, projecting out the mgr attribute, which is a funcid. + * This function is then called (via seteval()) and "name" is * projected from its result. */ funcid = F_SETEVAL; |