From 2f9661311b83dc481fc19f6e3bda015392010a40 Mon Sep 17 00:00:00 2001 From: Alvaro Herrera Date: Mon, 2 Mar 2020 18:19:51 -0300 Subject: Represent command completion tags as structs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The backend was using strings to represent command tags and doing string comparisons in multiple places, but that's slow and unhelpful. Create a new command list with a supporting structure to use instead; this is stored in a tag-list-file that can be tailored to specific purposes with a caller-definable C macro, similar to what we do for WAL resource managers. The first first such uses are a new CommandTag enum and a CommandTagBehavior struct. Replace numerous occurrences of char *completionTag with a QueryCompletion struct so that the code no longer stores information about completed queries in a cstring. Only at the last moment, in EndCommand(), does this get converted to a string. EventTriggerCacheItem no longer holds an array of palloc’d tag strings in sorted order, but rather just a Bitmapset over the CommandTags. Author: Mark Dilger, with unsolicited help from Álvaro Herrera Reviewed-by: John Naylor, Tom Lane Discussion: https://postgr.es/m/981A9DB4-3F0C-4DA5-88AD-CB9CFF4D6CAD@enterprisedb.com --- doc/src/sgml/event-trigger.sgml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'doc/src') diff --git a/doc/src/sgml/event-trigger.sgml b/doc/src/sgml/event-trigger.sgml index 18628c498ba..130f6cd886a 100644 --- a/doc/src/sgml/event-trigger.sgml +++ b/doc/src/sgml/event-trigger.sgml @@ -1074,7 +1074,7 @@ typedef struct EventTriggerData NodeTag type; const char *event; /* event name */ Node *parsetree; /* parse tree */ - const char *tag; /* command tag */ + CommandTag tag; /* command tag */ } EventTriggerData; -- cgit v1.2.3