csvtab

package module

v0.0.0-...-1a87079 Latest Latest Go to latest Published: Apr 1, 2015 License: MIT Imports: 8 Imported by: 0

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Valid go.mod file

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Repository

github.com/jirentabu/csvtab

Links

Open Source Insights

README ¶

csvtab

csv memory table. support orderby,distinct and query.

Documentation ¶

Overview ¶

csv 内存表 tabu 2014-08-05

Index ¶

Constants
func LessFloatAES(p1, p2 string) bool
func LessFloatDES(p1, p2 string) bool
func LessStringAES(p1, p2 string) bool
func LessStringDES(p1, p2 string) bool
func OrderedBy(less []ColumnLess) *sorter
type ColumnLess
type HashIndex
type KV
type LessFunc
type Predicate
type Table

Constants ¶

View Source

const (
	OrderAES = 1
	OrderDES = -1
)

Variables ¶

This section is empty.

Functions ¶

func LessFloatAES ¶

func LessFloatAES(p1, p2 string) bool

func LessFloatDES ¶

func LessFloatDES(p1, p2 string) bool

func LessStringAES ¶

func LessStringAES(p1, p2 string) bool

func LessStringDES ¶

func LessStringDES(p1, p2 string) bool

func OrderedBy ¶

func OrderedBy(less []ColumnLess) *sorter

Types ¶

type ColumnLess ¶

type ColumnLess struct {
	Col  int
	Less LessFunc
}

type HashIndex ¶

type HashIndex struct {
	Columns []string
	Index   map[string][]int
}

type KV ¶

type KV struct {
	Name, Value string
}

by name

type LessFunc ¶

type LessFunc func(p1, p2 string) bool

type Predicate ¶

type Predicate func(row []string) bool

type Table ¶

type Table struct {
	Columns  []string
	ColIndex map[string]int
	Rows     [][]string
	Indexs   []*HashIndex
}

func FromBytes ¶

func FromBytes(bs []byte, comma rune) (*Table, error)

func FromFile ¶

func FromFile(file string, comma rune) (*Table, error)

func NewTable ¶

func NewTable() *Table

func ReadAll ¶

func ReadAll(r *csv.Reader, header bool) (*Table, error)

func (*Table) AddColumns ¶

func (t *Table) AddColumns(count int)

func (*Table) Append ¶

func (t *Table) Append(row []string)

func (*Table) ColumnCount ¶

func (t *Table) ColumnCount() int

func (*Table) CreateHashIndex ¶

func (t *Table) CreateHashIndex(cols ...string) *HashIndex

hash index

func (*Table) Distinct ¶

func (t *Table) Distinct(cols ...string) *Table

func (*Table) DistinctI ¶

func (t *Table) DistinctI(cols []int) *Table

func (*Table) FindAll ¶

func (t *Table) FindAll(start int, f Predicate) *Table

func (*Table) FindFirst ¶

func (t *Table) FindFirst(start int, f Predicate) int

func (*Table) Get ¶

func (t *Table) Get(i int, column string) string

func (*Table) GetCount ¶

func (t *Table) GetCount() int

func (*Table) Map ¶

func (t *Table) Map(names []string) ([]int, bool)

func (*Table) MapOf ¶

func (t *Table) MapOf(column string) (index int, ok bool)

func (*Table) OrderBy ¶

func (t *Table) OrderBy(columnLessFunc ...interface{}) *Table

column1,lessfunc1, column2, lessfunc2

func (*Table) Query ¶

func (t *Table) Query(values ...KV) *Table

func (*Table) RowCount ¶

func (t *Table) RowCount() int

func (*Table) Search ¶

func (t *Table) Search(orderedColumnValue ...KV) int

func (*Table) SetColumns ¶

func (t *Table) SetColumns(columns []string)

Source Files ¶

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