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			33 lines
		
	
	
		
			764 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			764 B
		
	
	
	
		
			SQL
		
	
	
	
	
	
-- date check
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CREATE TABLE datetmp (a date);
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\copy datetmp from 'data/date.data'
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SET enable_seqscan=on;
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SELECT count(*) FROM datetmp WHERE a <  '2001-02-13';
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SELECT count(*) FROM datetmp WHERE a <= '2001-02-13';
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SELECT count(*) FROM datetmp WHERE a  = '2001-02-13';
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SELECT count(*) FROM datetmp WHERE a >= '2001-02-13';
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SELECT count(*) FROM datetmp WHERE a >  '2001-02-13';
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CREATE INDEX dateidx ON datetmp USING gist ( a );
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SET enable_seqscan=off;
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SELECT count(*) FROM datetmp WHERE a <  '2001-02-13'::date;
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SELECT count(*) FROM datetmp WHERE a <= '2001-02-13'::date;
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SELECT count(*) FROM datetmp WHERE a  = '2001-02-13'::date;
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SELECT count(*) FROM datetmp WHERE a >= '2001-02-13'::date;
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SELECT count(*) FROM datetmp WHERE a >  '2001-02-13'::date;
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