plan

package

v0.0.0-...-b4c1251 Latest Latest Go to latest Published: Nov 26, 2021 License: Apache-2.0 Imports: 9 Imported by: 0

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Repository

github.com/fengleng/flight

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Documentation ¶

Index ¶

Constants
type Plan
- func BuildPlan(statement sqlparser.Statement, schema *schema.Schema) (*Plan, error)
- func (plan *Plan) GetIRKeyIndex(cols sqlparser.Columns) error
- func (plan *Plan) TIndexListToNIndexList(tableIndexList []int) []int

Constants ¶

View Source

const (
	EID_NODE = iota
	VALUE_NODE
	LIST_NODE
	OTHER_NODE
)

View Source

const (
	MasterComment = "/*master*/"
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Plan ¶

type Plan struct {
	//stmt sqlparser.Statement
	Rule   *router.Rule
	Schema *schema.Schema

	RouteTableIndexList []int
	RouteNodeIndexList  []int
	RewrittenSqlList    map[string][]string

	FromSlave bool

	KeyIndex int
	Rows     map[int]sqlparser.Values //insert 条件

	Criteria sqlparser.SQLNode
}

func BuildPlan ¶

func BuildPlan(statement sqlparser.Statement, schema *schema.Schema) (*Plan, error)

func (*Plan) GetIRKeyIndex ¶

func (plan *Plan) GetIRKeyIndex(cols sqlparser.Columns) error

GetIRKeyIndex find shard key index in insert or replace SQL plan.Rule cols must not nil

func (*Plan) TIndexListToNIndexList ¶

func (plan *Plan) TIndexListToNIndexList(tableIndexList []int) []int

Source Files ¶

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