util

package

v1.0.12 Latest Latest Go to latest Published: Jul 9, 2025 License: Apache-2.0 Imports: 12 Imported by: 0

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const (
	OutputStylePlain = "plain"
	OutputStyleTable = "table"
	OutputStyleJson  = "json"
)

output style

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var StdErrLogger *log.Logger

This logger is goroutine-safe.

func CreateFile(path string) *os.File

func FloatToOneString(f float64) string

func FloatToTwoString(f float64) string

func IntToString(i int64) string

func RenderExplainAnalyze(rows *sql.Rows) (text string, err error)

func RenderJson(headers []string, values [][]string)

func RenderString(format string, headers []string, values [][]string)

func RenderTable(headers []string, values [][]string)

func Slice(s string) (b []byte)

Slice converts string to slice without copy. Use at your own risk.

func String(b []byte) (s string)

String converts slice to string without copy. Use at your own risk.

type BufAllocator struct {
	// contains filtered or unexported fields
}

BufAllocator helps you manage multi chunks in one []byte.

func NewBufAllocator() *BufAllocator

NewBufAllocator creates a NewBufAllocator

func (b *BufAllocator) Alloc(n int) []byte

Alloc allocates a new chunk with the specified size n.

func (b *BufAllocator) Reset()

Reset resets the buffer to later reuse

type SemVersion struct {
	Major int
	Minor int
	Patch int
}

func NewTiDBSemVersion(version string) (SemVersion, bool)

@version is the `SELECT VERSION()` output of TiDB

func (s SemVersion) Compare(other SemVersion) int

func (s SemVersion) String() string