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16 lines
723 B
Plaintext
16 lines
723 B
Plaintext
{
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"name": "try",
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"type": "function",
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"groups": ["Conditionals"],
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"description": "Tries an expression and returns its value if error-free. If the expression returns an error, an alternative value will be returned when provided otherwise the function will return NULL.",
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"arguments": [
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{"arg":"expression","description":"the expression which should be run"},
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{"arg":"alternative","optional":true,"description":"the result which will be returned if the expression returns an error."}
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],
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"examples": [
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{ "expression":"try( to_int( '1' ), 0 )", "returns":"1"},
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{ "expression":"try( to_int( 'a' ), 0 )", "returns":"0"},
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{ "expression":"try( to_date( 'invalid_date' ) )", "returns":"NULL"}
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]
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}
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