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			25 lines
		
	
	
		
			599 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			599 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
{
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  "name": "-",
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  "type": "operator",
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  "groups": ["Operators"],
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  "description": "Subtraction of two values. If one of the values is NULL the result will be NULL.",
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  "arguments": [{
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    "arg": "a",
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    "description": "value"
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  }, {
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    "arg": "b",
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    "description": "value"
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  }],
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  "examples": [{
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    "expression": "5 - 4",
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    "returns": "1"
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  }, {
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    "expression": "5 - NULL",
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    "returns": "NULL"
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  }, {
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    "expression": "to_datetime('2012-05-05 12:00:00') - to_interval('1 day 2 hours')",
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    "returns": "2012-05-04T10:00:00"
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  }],
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  "tags": ["subtraction", "null", "result", "values"]
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}
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