![]() Returns a JSON object at the specified path as text. JSON_EXTRACT_PATH_TEXT: equivalent to the #> operator Returns a JSON object at the specified path. JSON_EXTRACT_PATH: equivalent to the #> operator Possible return values are: object, array, string, number, boolean, and null. Returns the type of the outermost JSON value as a string. Returns the number of elements in the outermost JSON array. In the latter case inner arrays are taken as key/value pairs. Array must either have one dimension and even number of elements, in this case these elements are taken as key/value pairs, or two dimensions, with each inner array having two elements. For any scalar type other than a number, a Boolean, or a null value, the text representation is used.Ĭreates a JSON object from a text array. Otherwise, if there is a cast from the type to json, this cast function will be used to perform the conversion otherwise, returns a valid scalar json value. It converts arrays and composite objects to JSON arrays and objects. It has the following methods:Ĭorresponding PostgreSQL Functions and Operators The PgSqlJsonFunctions class is intended for working with json PostgreSQL data type. This code will create the following table (for PostgreSQL 9.4 and higher):ĬONSTRAINT "PK_JsonTable" PRIMARY KEY ("Id")
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