DbDoc Class Reference

Represents a collection of key-value pairs where value can be a scalar or another document. More...

Public Member Functions
	DbDoc ()
	Create null document instance. More...
	DbDoc (const std::string &)
	Creates DbDoc instance out of given JSON string description.
bool	isNull () const
	Check if document is null.
virtual bool	hasField (const Field &) const
	Check if named field is a top-level field in the document.
virtual int	fieldType (const Field &) const
	Return Value::XXX constant that identifies type of value stored at given field.
virtual const Value &	operator[] (const Field &) const
	Return value of given field.
virtual void	print (std::ostream &) const
	Print JSON description of the document.

Detailed Description

Represents a collection of key-value pairs where value can be a scalar or another document.

Note

Internal document implementation is shared among DbDoc instances and thus using DbDoc objects should be cheap.

Constructor & Destructor Documentation

DbDoc()

DbDoc ( )

inline

Create null document instance.

Note

Null document is different from empty document that has no fields.

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The documentation for this class was generated from the following file:

• include/mysqlx/devapi/document.h