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92 lines
2.2 KiB
Go
92 lines
2.2 KiB
Go
// Copyright 2022 Molecula Corp. All rights reserved.
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package planner
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import (
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"context"
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"fmt"
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"github.com/featurebasedb/featurebase/v3/rbac"
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"github.com/featurebasedb/featurebase/v3/sql3"
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"github.com/featurebasedb/featurebase/v3/sql3/planner/types"
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)
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// PlanOpCreateUser implements the CREATE USER operator
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type PlanOpCreateUser struct {
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planner *ExecutionPlanner
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username string
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warnings []string
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}
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// Iterator implements types.PlanOperator
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func (p *PlanOpCreateUser) Iterator(ctx context.Context, row types.Row) (types.RowIterator, error) {
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return &createUserRowIter{
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planner: p.planner,
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userName: p.username,
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}, nil
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}
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func NewPlanOpCreateUser(planner *ExecutionPlanner, username string) *PlanOpCreateUser {
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return &PlanOpCreateUser{
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planner: planner,
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username: username,
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warnings: make([]string, 0),
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}
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}
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func (p *PlanOpCreateUser) Schema() types.Schema {
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return types.Schema{}
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}
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func (p *PlanOpCreateUser) Children() []types.PlanOperator {
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return []types.PlanOperator{}
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}
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func (p *PlanOpCreateUser) WithChildren(children ...types.PlanOperator) (types.PlanOperator, error) {
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if len(children) != 0 {
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return nil, sql3.NewErrInternalf("unexpected number of children '%d'", len(children))
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}
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return NewPlanOpCreateUser(p.planner, p.username), nil
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}
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func (p *PlanOpCreateUser) Plan() map[string]interface{} {
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result := make(map[string]interface{})
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result["_op"] = fmt.Sprintf("%T", p)
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result["_schema"] = p.Schema().Plan()
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result["model"] = p.username
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return result
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}
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func (p *PlanOpCreateUser) String() string {
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return ""
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}
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func (p *PlanOpCreateUser) AddWarning(warning string) {
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p.warnings = append(p.warnings, warning)
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}
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func (p *PlanOpCreateUser) Warnings() []string {
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var w []string
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w = append(w, p.warnings...)
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return w
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}
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type createUserRowIter struct {
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planner *ExecutionPlanner
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userName string
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}
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var _ types.RowIterator = (*createUserRowIter)(nil)
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func (i *createUserRowIter) Next(ctx context.Context) (types.Row, error) {
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msg := rbac.AddUserMessage{
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Username: i.userName,
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}
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envelope := rbac.UserManagerMessage{
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MessageType: rbac.MAddUser,
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Message: msg,
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}
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fmt.Printf("Sending message to UserManager...")
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rbac.UserAPI.Send(envelope)
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return nil, types.ErrNoMoreRows
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}
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