function

const (
	// FuncIn is the function/operator keyword in
	FuncIn = "in"
	// FuncBetween is the function/operator keyword between
	FuncBetween = "between"
	// FuncOverlap is the function/operator keyword overlap
	FuncOverlap = "overlap"

	// FuncAnd is the function/operator keyword and
	FuncAnd = "and"
	// FuncOr is the function/operator keyword or
	FuncOr = "or"
	// FuncNot is the function/operator keyword not
	FuncNot = "not"
	// OperatorAnd is the function/operator keyword &
	OperatorAnd = "&"
	// OperatorOr is the function/operator keyword |
	OperatorOr = "|"
	// OperatorNot is the function/operator keyword !
	OperatorNot = "!"

	// FuncEqual is the function/operator keyword eq
	FuncEqual = "eq"
	// FuncNotEqual is the function/operator keyword ne
	FuncNotEqual = "ne"
	// FuncGreaterThan is the function/operator keyword gt
	FuncGreaterThan = "gt"
	// FuncLessThan is the function/operator keyword lt
	FuncLessThan = "lt"
	// FuncGreaterThanOrEqualTo is the function/operator keyword ge
	FuncGreaterThanOrEqualTo = "ge"
	// FuncLessThanOrEqualTo is the function/operator keyword le
	FuncLessThanOrEqualTo = "le"
	// OperatorEqual is the function/operator keyword =
	OperatorEqual = "="
	// OperatorNotEqual is the function/operator keyword !=
	OperatorNotEqual = "!="
	// OperatorGreaterThan is the function/operator keyword >
	OperatorGreaterThan = ">"
	// OperatorLessThan is the function/operator keyword <
	OperatorLessThan = "<"
	// OperatorGreaterThanOrEqualTo is the function/operator keyword >=
	OperatorGreaterThanOrEqualTo = ">="
	// OperatorLessThanOrEqualTo is the function/operator keyword <=
	OperatorLessThanOrEqualTo = "<="

	// FuncModulo is the function/operator keyword mod
	FuncModulo = "mod"
	// OperatorModulo is the function/operator keyword %
	OperatorModulo = "%"

	// OperatorAdd is the function/operator keyword +
	OperatorAdd = "+"
	// OperatorSubtract is the function/operator keyword -
	OperatorSubtract = "-"
	// OperatorMultiply is the function/operator keyword *
	OperatorMultiply = "*"
	// OperatorDivide is the function/operator keyword /
	OperatorDivide = "/"

	// FuncTypeVersion is the function/operator keyword t_version
	FuncTypeVersion = "t_version"
	// FuncTypeTime is the function/operator keyword t_time
	FuncTypeTime = "t_time"
	// FuncTypeDefaultTime is the function/operator keyword td_time
	FuncTypeDefaultTime = "td_time"
	// FuncTypeDefaultDate is the function/operator keyword td_date
	FuncTypeDefaultDate = "td_date"
)

const (
	// ModeAnd is the mode add for function AndOr
	ModeAnd uint8 = iota + 1
	// ModeOr is the mode or for function AndOr
	ModeOr

	// ModeGreaterThan is the mod > for function Compare
	ModeGreaterThan
	// ModeLessThan is the mod < for function Compare
	ModeLessThan
	// ModeGreaterThanOrEqualTo is the mod >= for function Compare
	ModeGreaterThanOrEqualTo
	// ModeLessThanOrEqualTo is the mod <= for function Compare
	ModeLessThanOrEqualTo

	// ModeAdd is the mode + for function SuccessiveBinaryOperator
	ModeAdd
	// ModeMultiply is the mode * for function SuccessiveBinaryOperator
	ModeMultiply
	// ModeSubtract is the mode - for function BinaryOperator
	ModeSubtract
	// ModeDivide is the mode / for function BinaryOperator
	ModeDivide
)

const (
	// DefaultTimeFormat is the default time format
	DefaultTimeFormat = "2006-01-02 15:04:05"
	// DefaultDateFormat is the default date format
	DefaultDateFormat = "2006-01-02"
)