util

package
v0.0.0-...-735ef63 Latest Latest
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Published: Aug 16, 2021 License: MIT Imports: 5 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var Bool boolType

Functions

func BoolToUint32

func BoolToUint32(b bool) (i uint32, err error)

bool 2 uint32

func Int32ToByteArr

func Int32ToByteArr(i int32) (bytes []byte, err error)

int32 2 []byte]

func Int64ToByteArr

func Int64ToByteArr(i int64) (bytes []byte, err error)

int64 to []byte]

func Int64ToStr

func Int64ToStr(i int64) (s string, err error)

int64 2 str

func Int64ToTimestamp

func Int64ToTimestamp(i int64) (string, error)

int64 2 timestamp

func StrToBool

func StrToBool(str string) (b bool, err error)

str 2 bool

func StrToInt

func StrToInt(s string) (i int, err error)

str 2 int

func StrToInt32

func StrToInt32(s string) (i int32, err error)

str 2 int32

func StrToInt64

func StrToInt64(s string) (i int64, err error)

str 2 int64

func StrToUin32

func StrToUin32(s string) (i uint32, err error)

str 2 uint32

func StrToUin64

func StrToUin64(s string) (i uint64, err error)

str 2 uint64

func Uint32ToBool

func Uint32ToBool(i uint32) (b bool, err error)

uint32 2 bool

func Uint32ToByteArr

func Uint32ToByteArr(i uint32) (bytes []byte, err error)

uint32 2 []byte]

func Uint32ToStr

func Uint32ToStr(i uint32) (s string, err error)

uint32 2 string

func Uint64ToByteArr

func Uint64ToByteArr(i uint64) (bytes []byte, err error)

uint64 to []byte

func Uint64ToStr

func Uint64ToStr(i uint64) (s string, err error)

uint64 to str

Types

type RawBytes

type RawBytes []byte

RawBytes is a byte slice that holds a reference to memory owned by the database itself. After a Scan into a RawBytes, the slice is only valid until the next call to Next, Scan, or Close.

type Scanner

type Scanner interface {
	// Scan assigns a value from a database driver.
	//
	// The src value will be of one of the following types:
	//
	//    int64
	//    float64
	//    bool
	//    []byte
	//    string
	//    time.Time
	//    nil - for NULL values
	//
	// An error should be returned if the value cannot be stored
	// without loss of information.
	//
	// Reference types such as []byte are only valid until the next call to Scan
	// and should not be retained. Their underlying memory is owned by the driver.
	// If retention is necessary, copy their values before the next call to Scan.
	Scan(src interface{}) error
}

type Value

type Value interface{}

Value is a value that drivers must be able to handle. It is either nil, a type handled by a database driver's NamedValueChecker interface, or an instance of one of these types:

int64
float64
bool
[]byte
string
time.Time

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