ADSQLLiteralExpression

public class ADSQLLiteralExpression: ADSQLExpression

Defines a literal expression used in a SQL instruction such as a column name, integer value or string constant value.

  • Defines the value of the literal.

    Declaration

    Swift

    public var value: String = ""
  • Creates a new literal expression.

    Declaration

    Swift

    public init(value: String)

    Parameters

    value

    The value of the expression.

  • Decodes the expression from an Instance Dictionary that has been read from a Swift Portable Object Notation (SPON) stream.

    Declaration

    Swift

    public required init(fromInstance dictionary: ADInstanceDictionary)

    Parameters

    dictionary

    A ADInstanceDictionary representing the values for the expression.

  • Evaluates the given expression and returns a result based on the data in the record passed in.

    Declaration

    Swift

    @discardableResult public func evaluate(forRecord row: ADRecord? = nil) throws -> Any?

    Parameters

    row

    A ADRecord containing values to be evaluated against the expression.

    Return Value

    The result of the evaluation.

  • Encodes the expression into an Instance Dictionary for storage in a Swift Portable Object Notation (SPON) format. -Returns: The expression represented as an Instance Dictionary.

    Declaration

    Swift

    public func encode() -> ADInstanceDictionary
  • Decodes the expression from an Instance Dictionary that has been read from a Swift Portable Object Notation (SPON) stream.

    Declaration

    Swift

    public func decode(fromInstance dictionary: ADInstanceDictionary)

    Parameters

    dictionary

    A ADInstanceDictionary representing the values for the expression.