JSON_expr.ExistValue (JSONPath_expr)
Syntax Elements
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JSON_expr
- An expression that evaluates to a JSON data type.
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JSONPath_expr
- A name in JSONPath syntax.
- The name can be either UNICODE or LATIN, depending on the character set of the JSON type that invoked this method. If the parameter character set does not match the character set of the JSON type, Vantage attempts to translate the parameter character set to the correct character set.
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JSONPath_expr cannot be NULL. If the expression is NULL an error is reported.