31 lines
686 B
MySQL
31 lines
686 B
MySQL
|
-- oid check
|
||
|
|
|
||
|
|
SET enable_seqscan=on;
|
||
|
|
|
||
|
|
CREATE TEMPORARY TABLE oidtmp (oid oid);
|
||
|
|
INSERT INTO oidtmp SELECT g.i::oid FROM generate_series(1, 1000) g(i);
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid < 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid <= 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid = 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid >= 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid > 17;
|
||
|
|
|
||
|
|
CREATE INDEX oididx ON oidtmp USING gist ( oid );
|
||
|
|
|
||
|
|
SET enable_seqscan=off;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid < 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid <= 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid = 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid >= 17;
|
||
|
|
|
||
|
|
SELECT count(*) FROM oidtmp WHERE oid > 17;
|