creation

Documentation

Index

• func BuildSecondaryIndex(ctx context.Context, tbl *doltdb.Table, idx schema.Index, opts editor.Options) (durable.Index, error)
• func BuildSecondaryProllyIndex(ctx context.Context, vrw types.ValueReadWriter, sch schema.Schema, ...) (durable.Index, error)
• func GetIndexKeyMapping(sch schema.Schema, idx schema.Index) (m val.OrdinalMapping)
• type CreateIndexReturn
  • func CreateIndex(ctx context.Context, table *doltdb.Table, indexName string, columns []string, ...) (*CreateIndexReturn, error)

Functions

func BuildSecondaryIndex

func BuildSecondaryIndex(ctx context.Context, tbl *doltdb.Table, idx schema.Index, opts editor.Options) (durable.Index, error)

func BuildSecondaryProllyIndex

func BuildSecondaryProllyIndex(ctx context.Context, vrw types.ValueReadWriter, sch schema.Schema, idx schema.Index, primary prolly.Map) (durable.Index, error)

BuildSecondaryProllyIndex builds secondary index data for the given primary index row data |primary|. |sch| is the current schema of the table.

func GetIndexKeyMapping

func GetIndexKeyMapping(sch schema.Schema, idx schema.Index) (m val.OrdinalMapping)

Types

type CreateIndexReturn

type CreateIndexReturn struct {
	NewTable *doltdb.Table
	Sch      schema.Schema
	OldIndex schema.Index
	NewIndex schema.Index
}

func CreateIndex

func CreateIndex(
	ctx context.Context,
	table *doltdb.Table,
	indexName string,
	columns []string,
	isUnique bool,
	isUserDefined bool,
	comment string,
	opts editor.Options,
) (*CreateIndexReturn, error)

CreateIndex creates the given index on the given table with the given schema. Returns the updated table, updated schema, and created index.