File: interrupt_buffer.sql

package info (click to toggle)
postgis 3.5.2%2Bdfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 70,052 kB
  • sloc: ansic: 162,204; sql: 93,950; xml: 53,121; cpp: 12,646; perl: 5,658; sh: 5,369; makefile: 3,434; python: 1,205; yacc: 447; lex: 151; pascal: 58
file content (29 lines) | stat: -rw-r--r-- 755 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
set client_min_messages to WARNING;

CREATE TEMP TABLE _inputs AS
SELECT 1::int as id, ST_Collect(g) g FROM (
 SELECT ST_MakeLine(
   ST_Point(cos(radians(x)),sin(radians(270-x))),
   ST_Point(sin(radians(x)),cos(radians(60-x)))
   ) g
 FROM generate_series(1,720) x
 ) foo
;

\i :regdir/utils/timecheck.sql

-----------------
-- ST_Buffer
-----------------

SET statement_timeout TO 100;

select ST_Buffer(g,100) from _inputs WHERE id = 1;
--( select (st_dumppoints(st_buffer(st_makepoint(0,0),10000,100000))).geom g) foo;
-- it may take some more to interrupt st_buffer, see
SELECT _timecheck('buffer', '500ms');

-- Not affected by old timeout
SELECT '1', ST_NPoints(ST_Buffer('POINT(4 0)'::geometry, 2, 1));

DROP FUNCTION _timecheck(text, interval);