mirror of
				https://github.com/postgres/postgres.git
				synced 2025-11-03 09:13:20 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			33 lines
		
	
	
		
			964 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			964 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
-- timestamp check
 | 
						|
 | 
						|
CREATE TABLE timestamptmp (a timestamp);
 | 
						|
 | 
						|
\copy timestamptmp from 'data/timestamp.data'
 | 
						|
 | 
						|
SET enable_seqscan=on;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a <  '2004-10-26 08:55:08';
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08';
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a  = '2004-10-26 08:55:08';
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08';
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a >  '2004-10-26 08:55:08';
 | 
						|
 | 
						|
CREATE INDEX timestampidx ON timestamptmp USING gist ( a );
 | 
						|
 | 
						|
SET enable_seqscan=off;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a <  '2004-10-26 08:55:08'::timestamp;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a <= '2004-10-26 08:55:08'::timestamp;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a  = '2004-10-26 08:55:08'::timestamp;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a >= '2004-10-26 08:55:08'::timestamp;
 | 
						|
 | 
						|
SELECT count(*) FROM timestamptmp WHERE a >  '2004-10-26 08:55:08'::timestamp;
 | 
						|
 |