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			224 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			PL/PgSQL
		
	
	
	
	
	
			
		
		
	
	
			224 lines
		
	
	
		
			6.4 KiB
		
	
	
	
		
			PL/PgSQL
		
	
	
	
	
	
| --
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| --  Test seg datatype
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| --
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| 
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| --
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| -- first, define the datatype.  Turn off echoing so that expected file
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| -- does not depend on contents of seg.sql.
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| --
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| \set ECHO none
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| \i seg.sql
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| \set ECHO all
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| 
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| --
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| -- testing the input and output functions
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| --
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| 
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| -- Any number
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| SELECT '1'::seg AS seg;
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| SELECT '-1'::seg AS seg;
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| SELECT '1.0'::seg AS seg;
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| SELECT '-1.0'::seg AS seg;
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| SELECT '1e7'::seg AS seg;
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| SELECT '-1e7'::seg AS seg;
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| SELECT '1.0e7'::seg AS seg;
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| SELECT '-1.0e7'::seg AS seg;
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| SELECT '1e+7'::seg AS seg;
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| SELECT '-1e+7'::seg AS seg;
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| SELECT '1.0e+7'::seg AS seg;
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| SELECT '-1.0e+7'::seg AS seg;
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| SELECT '1e-7'::seg AS seg;
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| SELECT '-1e-7'::seg AS seg;
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| SELECT '1.0e-7'::seg AS seg;
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| SELECT '-1.0e-7'::seg AS seg;
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| SELECT '2e-6'::seg AS seg;
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| SELECT '2e-5'::seg AS seg;
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| SELECT '2e-4'::seg AS seg;
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| SELECT '2e-3'::seg AS seg;
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| SELECT '2e-2'::seg AS seg;
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| SELECT '2e-1'::seg AS seg;
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| SELECT '2e-0'::seg AS seg;
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| SELECT '2e+0'::seg AS seg;
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| SELECT '2e+1'::seg AS seg;
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| SELECT '2e+2'::seg AS seg;
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| SELECT '2e+3'::seg AS seg;
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| SELECT '2e+4'::seg AS seg;
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| SELECT '2e+5'::seg AS seg;
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| SELECT '2e+6'::seg AS seg;
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| 
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| 
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| -- Significant digits preserved
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| SELECT '1'::seg AS seg;
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| SELECT '1.0'::seg AS seg;
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| SELECT '1.00'::seg AS seg;
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| SELECT '1.000'::seg AS seg;
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| SELECT '1.0000'::seg AS seg;
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| SELECT '1.00000'::seg AS seg;
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| SELECT '1.000000'::seg AS seg;
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| SELECT '0.000000120'::seg AS seg;
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| SELECT '3.400e5'::seg AS seg;
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| 
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| -- Digits truncated
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| SELECT '12.34567890123456'::seg AS seg;
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| 
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| -- Numbers with certainty indicators
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| SELECT '~6.5'::seg AS seg;
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| SELECT '<6.5'::seg AS seg;
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| SELECT '>6.5'::seg AS seg;
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| SELECT '~ 6.5'::seg AS seg;
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| SELECT '< 6.5'::seg AS seg;
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| SELECT '> 6.5'::seg AS seg;
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| 
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| -- Open intervals
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| SELECT '0..'::seg AS seg;
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| SELECT '0...'::seg AS seg;
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| SELECT '0 ..'::seg AS seg;
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| SELECT '0 ...'::seg AS seg;
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| SELECT '..0'::seg AS seg;
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| SELECT '...0'::seg AS seg;
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| SELECT '.. 0'::seg AS seg;
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| SELECT '... 0'::seg AS seg;
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| 
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| -- Finite intervals
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| SELECT '0 .. 1'::seg AS seg;
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| SELECT '-1 .. 0'::seg AS seg;
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| SELECT '-1 .. 1'::seg AS seg;
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| 
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| -- (+/-) intervals
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| SELECT '0(+-)1'::seg AS seg;
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| SELECT '0(+-)1.0'::seg AS seg;
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| SELECT '1.0(+-)0.005'::seg AS seg;
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| SELECT '101(+-)1'::seg AS seg;
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| -- incorrect number of significant digits in 99.0:
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| SELECT '100(+-)1'::seg AS seg;
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| 
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| -- invalid input
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| SELECT ''::seg AS seg;
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| SELECT 'ABC'::seg AS seg;
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| SELECT '1ABC'::seg AS seg;
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| SELECT '1.'::seg AS seg;
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| SELECT '1.....'::seg AS seg;
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| SELECT '.1'::seg AS seg;
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| SELECT '1..2.'::seg AS seg;
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| SELECT '1 e7'::seg AS seg;
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| SELECT '1e700'::seg AS seg;
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| 
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| --
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| -- testing the  operators
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| --
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| 
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| -- equality/inequality:
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| --
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| SELECT '24 .. 33.20'::seg = '24 .. 33.20'::seg AS bool;
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| SELECT '24 .. 33.20'::seg = '24 .. 33.21'::seg AS bool;
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| SELECT '24 .. 33.20'::seg != '24 .. 33.20'::seg AS bool;
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| SELECT '24 .. 33.20'::seg != '24 .. 33.21'::seg AS bool;
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| 
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| -- overlap
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| --
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| SELECT '1'::seg && '1'::seg AS bool;
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| SELECT '1'::seg && '2'::seg AS bool;
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| SELECT '0 ..'::seg && '0 ..'::seg AS bool;
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| SELECT '0 .. 1'::seg && '0 .. 1'::seg AS bool;
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| SELECT '..0'::seg && '0..'::seg AS bool;
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| SELECT '-1 .. 0.1'::seg && '0 .. 1'::seg AS bool;
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| SELECT '-1 .. 0'::seg && '0 .. 1'::seg AS bool;
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| SELECT '-1 .. -0.0001'::seg && '0 .. 1'::seg AS bool;
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| SELECT '0 ..'::seg && '1'::seg AS bool;
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| SELECT '0 .. 1'::seg && '1'::seg AS bool;
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| SELECT '0 .. 1'::seg && '2'::seg AS bool;
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| SELECT '0 .. 2'::seg && '1'::seg AS bool;
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| SELECT '1'::seg && '0 .. 1'::seg AS bool;
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| SELECT '2'::seg && '0 .. 1'::seg AS bool;
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| SELECT '1'::seg && '0 .. 2'::seg AS bool;
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| 
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| -- overlap on the left
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| --
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| SELECT '1'::seg &< '0'::seg AS bool;
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| SELECT '1'::seg &< '1'::seg AS bool;
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| SELECT '1'::seg &< '2'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '0'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '1'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '2'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '0 .. 0.5'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '0 .. 1'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '0 .. 2'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '1 .. 2'::seg AS bool;
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| SELECT '0 .. 1'::seg &< '2 .. 3'::seg AS bool;
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| 
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| -- overlap on the right
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| --
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| SELECT '0'::seg &> '1'::seg AS bool;
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| SELECT '1'::seg &> '1'::seg AS bool;
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| SELECT '2'::seg &> '1'::seg AS bool;
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| SELECT '0'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '1'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '2'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 0.5'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 1'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 2'::seg &> '0 .. 2'::seg AS bool;
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| SELECT '1 .. 2'::seg &> '0 .. 1'::seg AS bool;
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| SELECT '2 .. 3'::seg &> '0 .. 1'::seg AS bool;
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| 
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| -- left
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| --
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| SELECT '1'::seg << '0'::seg AS bool;
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| SELECT '1'::seg << '1'::seg AS bool;
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| SELECT '1'::seg << '2'::seg AS bool;
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| SELECT '0 .. 1'::seg << '0'::seg AS bool;
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| SELECT '0 .. 1'::seg << '1'::seg AS bool;
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| SELECT '0 .. 1'::seg << '2'::seg AS bool;
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| SELECT '0 .. 1'::seg << '0 .. 0.5'::seg AS bool;
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| SELECT '0 .. 1'::seg << '0 .. 1'::seg AS bool;
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| SELECT '0 .. 1'::seg << '0 .. 2'::seg AS bool;
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| SELECT '0 .. 1'::seg << '1 .. 2'::seg AS bool;
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| SELECT '0 .. 1'::seg << '2 .. 3'::seg AS bool;
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| 
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| -- right
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| --
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| SELECT '0'::seg >> '1'::seg AS bool;
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| SELECT '1'::seg >> '1'::seg AS bool;
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| SELECT '2'::seg >> '1'::seg AS bool;
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| SELECT '0'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '1'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '2'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 0.5'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 1'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '0 .. 2'::seg >> '0 .. 2'::seg AS bool;
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| SELECT '1 .. 2'::seg >> '0 .. 1'::seg AS bool;
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| SELECT '2 .. 3'::seg >> '0 .. 1'::seg AS bool;
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| 
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| 
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| -- "contained in" (the left value belongs within the interval specified in the right value):
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| --
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| SELECT '0'::seg        ~ '0'::seg AS bool;
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| SELECT '0'::seg        ~ '0 ..'::seg AS bool;
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| SELECT '0'::seg        ~ '.. 0'::seg AS bool;
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| SELECT '0'::seg        ~ '-1 .. 1'::seg AS bool;
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| SELECT '0'::seg        ~ '-1 .. 1'::seg AS bool;
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| SELECT '-1'::seg       ~ '-1 .. 1'::seg AS bool;
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| SELECT '1'::seg        ~ '-1 .. 1'::seg AS bool;
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| SELECT '-1 .. 1'::seg  ~ '-1 .. 1'::seg AS bool;
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| 
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| -- "contains" (the left value contains the interval specified in the right value):
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| --
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| SELECT '0'::seg @ '0'::seg AS bool;
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| SELECT '0 .. '::seg ~ '0'::seg AS bool;
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| SELECT '.. 0'::seg ~ '0'::seg AS bool;
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| SELECT '-1 .. 1'::seg ~ '0'::seg AS bool;
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| SELECT '0'::seg ~ '-1 .. 1'::seg AS bool;
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| SELECT '-1'::seg ~ '-1 .. 1'::seg AS bool;
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| SELECT '1'::seg ~ '-1 .. 1'::seg AS bool;
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| 
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| -- Load some example data and build the index
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| -- 
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| CREATE TABLE test_seg (s seg);
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| 
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| \copy test_seg from 'data/test_seg.data'
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| 
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| CREATE INDEX test_seg_ix ON test_seg USING gist (s);
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| SELECT count(*) FROM test_seg WHERE s @ '11..11.3';
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| 
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| -- Test sorting 
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| SELECT * FROM test_seg WHERE s @ '11..11.3' GROUP BY s;
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