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 2019-03-26 00:49:02.208 EDT [5c99ae9e.20cc:7] DETAIL: Failed process was running: select '$ ? (@ like_regex "pattern" flag "a")'::jsonpath; 2019-03-26 00:49:02.208 EDT [5c99ae9e.20cc:8] HINT: See C include file "ntstatus.h" for a description of the hexadecimal value. 2019-03-26 00:49:02.208 EDT [5c99ae9e.20cc:9] LOG: terminating any other active server processes cheers andrew -- Andrew Dunstan https://www.2ndQuadrant.com PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
