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request_context.go
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request_context.go
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// Copyright 2014, Google Inc. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vtgate
import (
"github.com/youtube/vitess/go/sqltypes"
"golang.org/x/net/context"
topodatapb "github.com/youtube/vitess/go/vt/proto/topodata"
vtgatepb "github.com/youtube/vitess/go/vt/proto/vtgate"
"github.com/youtube/vitess/go/vt/sqlparser"
"github.com/youtube/vitess/go/vt/vtgate/engine"
)
type requestContext struct {
ctx context.Context
sql, comments string
bindVars map[string]interface{}
keyspace string
tabletType topodatapb.TabletType
session *vtgatepb.Session
notInTransaction bool
router *Router
}
func newRequestContext(ctx context.Context, sql string, bindVars map[string]interface{}, keyspace string, tabletType topodatapb.TabletType, session *vtgatepb.Session, notInTransaction bool, router *Router) *requestContext {
query, comments := sqlparser.SplitTrailingComments(sql)
return &requestContext{
ctx: ctx,
sql: query,
comments: comments,
bindVars: bindVars,
keyspace: keyspace,
tabletType: tabletType,
session: session,
notInTransaction: notInTransaction,
router: router,
}
}
func (vc *requestContext) Execute(query string, bindvars map[string]interface{}) (*sqltypes.Result, error) {
// We have to use an empty keyspace here, becasue vindexes that call back can reference
// any table.
return vc.router.Execute(vc.ctx, query, bindvars, "", vc.tabletType, vc.session, false)
}
func (vc *requestContext) ExecuteRoute(route *engine.Route, joinvars map[string]interface{}) (*sqltypes.Result, error) {
return vc.router.ExecuteRoute(vc, route, joinvars)
}
func (vc *requestContext) StreamExecuteRoute(route *engine.Route, joinvars map[string]interface{}, sendReply func(*sqltypes.Result) error) error {
return vc.router.StreamExecuteRoute(vc, route, joinvars, sendReply)
}
func (vc *requestContext) GetRouteFields(route *engine.Route, joinvars map[string]interface{}) (*sqltypes.Result, error) {
return vc.router.GetRouteFields(vc, route, joinvars)
}