planbuilder

Documentation

Overview

Package planbuilder allows you to build execution plans that describe how to fulfill a query that may span multiple keyspaces or shards.

The main entry point for the planbuilder is the Build function that accepts a query and vschema and returns the plan.

Index

• func Build(query string, vschema VSchema) (*engine.Plan, error)
• type VSchema

Functions

func Build

func Build(query string, vschema VSchema) (*engine.Plan, error)

Build builds a plan for a query based on the specified vschema. It's the main entry point for this package.

Types

type VSchema

type VSchema interface {
	Find(keyspace, tablename string) (table *vindexes.Table, err error)
}

VSchema defines the interface for this package to fetch info about tables.