schema

Documentation

Index

• Constants
• type Index
  • func NewIndex(name string) *Index
  • func (idx *Index) AddColumn(name string, cardinality uint64)
  • func (idx *Index) FindColumn(name string) int
  • func (idx *Index) FindDataColumn(name string) int
• type Table
  • func NewTable(name string) *Table
  • func (ta *Table) AddColumn(name string, columnType string, defval sqltypes.Value, extra string)
  • func (ta *Table) AddIndex(name string) (index *Index)
  • func (ta *Table) FindColumn(name string) int
  • func (ta *Table) GetPKColumn(index int) *TableColumn
  • func (ta *Table) SetMysqlStats(tr, dl, il, df sqltypes.Value)
• type TableColumn

Constants

const (
	CAT_OTHER = iota
	CAT_NUMBER
	CAT_VARBINARY
)

Column categories

const (
	CACHE_NONE = 0
	CACHE_RW   = 1
	CACHE_W    = 2
)

Cache types

Types

type Index

type Index struct {
	Name        string
	Columns     []string
	Cardinality []uint64
	DataColumns []string
}

func NewIndex

func NewIndex(name string) *Index

func (*Index) AddColumn

func (idx *Index) AddColumn(name string, cardinality uint64)

func (*Index) FindColumn

func (idx *Index) FindColumn(name string) int

func (*Index) FindDataColumn

func (idx *Index) FindDataColumn(name string) int

type Table

type Table struct {
	Name        string
	Columns     []TableColumn
	Indexes     []*Index
	PKColumns   []int
	CacheType   int
	TableRows   int64
	DataLength  int64
	IndexLength int64
	DataFree    int64
}

func NewTable

func NewTable(name string) *Table

func (*Table) AddColumn

func (ta *Table) AddColumn(name string, columnType string, defval sqltypes.Value, extra string)

func (*Table) AddIndex

func (ta *Table) AddIndex(name string) (index *Index)

func (*Table) FindColumn

func (ta *Table) FindColumn(name string) int

func (*Table) GetPKColumn

func (ta *Table) GetPKColumn(index int) *TableColumn

func (*Table) SetMysqlStats

func (ta *Table) SetMysqlStats(tr, dl, il, df sqltypes.Value)

SetMysqlStats receives the values found in the mysql information_schema.tables table

type TableColumn

type TableColumn struct {
	Name     string
	Category int
	IsAuto   bool
	Default  sqltypes.Value
}