On 3/26/19 11:22 AM, Alvaro Herrera wrote: > On 2019-Mar-26, Andrew Dunstan wrote: > >> On 3/25/19 8:44 AM, Alexander Korotkov wrote: >>> Get rid of backtracking in jsonpath_scan.l >>> >>> Non-backtracking flex parsers work faster than backtracking ones. So, this >>> commit gets rid of backtracking in jsonpath_scan.l. That required explicit >>> handling of some cases as well as manual backtracking for some cases. More >>> regression tests for numerics are added. >> jacana appears to be having trouble with this: >> >> >> 2019-03-26 00:49:02.208 EDT [5c99ae9e.20cc:6] LOG: server process (PID >> 8368) was terminated by exception 0xC0000028 > 0xC0000028 is STATUS_BAD_STACK, per > https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55 > Not sure how credible/useful a stack trace is going to be. >
Right, and getting stack traces isn't easy in any case. There is a gadget from Google that is supposed to trap exceptions and produce a stack trace on the fly in mingw. I'm going to take a look at it, although loading it might be ... interesting. cheers andrew -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
