Testing 9.1beta:
select format('Hello %s, %2147483648$s', 'World');
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
The problem is that the test for overflow of the arg position doesn't
catch all cases. The simplest solution is to just tweak the comparison
at varlena.c:3840 (patch attached) although maybe there are neater
ways...
Regards,
Dean
diff --git a/src/backend/utils/adt/varlena.c b/src/backend/utils/adt/varlena.c
new file mode 100644
index 9d96013..a479905
*** a/src/backend/utils/adt/varlena.c
--- b/src/backend/utils/adt/varlena.c
*************** text_format(PG_FUNCTION_ARGS)
*** 3837,3843 ****
do
{
/* Treat overflowing arg position as unterminated. */
! if (arg > INT_MAX / 10)
break;
arg = arg * 10 + (*cp - '0');
++cp;
--- 3837,3843 ----
do
{
/* Treat overflowing arg position as unterminated. */
! if (arg >= INT_MAX / 10)
break;
arg = arg * 10 + (*cp - '0');
++cp;
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