Re: ECPG failed and Postmaster getting bigger in using perl Pg

"S.F. Lee" <sflee_tw(at)yahoo(dot)com> wrote:

> After executing program(Test), I got different result
> in each version of PostgreSQL,
> such as:
>
> In PostgreSQL 6.5.3 + ecpg 2.7 : a1 = 10 b1 =
> 11.100000
>
> In PostgreSQL 7.0RC5 + ecpg 2.7 : sql_select--foo_1
> : Too few arguments in line 33.

This is a bug of pre-processor in PostgreSQL-7.0RC5.

The solutions of the bug:

1. Don't use a struct host variable.

old) exec sql select * into :temp ...
new) exec sql select a1,b1 into :temp.a1, :temp.b1 ...

2. Apply the next patch.

*** postgresql-7.0RC5/src/interfaces/ecpg/preproc/type.c.orig Wed May 10 14:45:55 2000
--- postgresql-7.0RC5/src/interfaces/ecpg/preproc/type.c Wed May 10 14:46:43 2000
***************
*** 198,203 ****
--- 198,209 ----
void
ECPGdump_a_type(FILE *o, const char *name, struct ECPGtype * typ, const char *ind_name, struct ECPGtype * ind_typ, const char *prefix, const char *ind_prefix)
{
+ if (ind_typ == NULL)
+ {
+ ind_typ = &ecpg_no_indicator;
+ ind_name = "no_indicator";
+ }
+
switch (typ->typ)
{
case ECPGt_array:

--
Regards,
SAKAIDA Masaaki -- Osaka, Japan