b6a95a8cb3
* Dropped unused codekit config * Integrated dynamic and static bindata for public * Ignore public bindata * Add a general generate make task * Integrated flexible public assets into web command * Updated vendoring, added all missiong govendor deps * Made the linter happy with the bindata and dynamic code * Moved public bindata definition to modules directory * Ignoring the new bindata path now * Updated to the new public modules import path * Updated public bindata command and drop the new prefix
79 lines
2.5 KiB
Go
79 lines
2.5 KiB
Go
// Copyright 2013 The ql Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSES/QL-LICENSE file.
|
|
|
|
// Copyright 2015 PingCAP, Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package evaluator
|
|
|
|
import (
|
|
"github.com/juju/errors"
|
|
"github.com/pingcap/tidb/context"
|
|
"github.com/pingcap/tidb/mysql"
|
|
"github.com/pingcap/tidb/sessionctx/db"
|
|
"github.com/pingcap/tidb/sessionctx/variable"
|
|
)
|
|
|
|
// See: https://dev.mysql.com/doc/refman/5.7/en/information-functions.html
|
|
|
|
func builtinDatabase(args []interface{}, ctx context.Context) (v interface{}, err error) {
|
|
d := db.GetCurrentSchema(ctx)
|
|
if d == "" {
|
|
return nil, nil
|
|
}
|
|
return d, nil
|
|
}
|
|
|
|
func builtinFoundRows(arg []interface{}, ctx context.Context) (interface{}, error) {
|
|
data := variable.GetSessionVars(ctx)
|
|
if data == nil {
|
|
return nil, errors.Errorf("Missing session variable when evalue builtin")
|
|
}
|
|
|
|
return data.FoundRows, nil
|
|
}
|
|
|
|
// See: https://dev.mysql.com/doc/refman/5.7/en/information-functions.html#function_current-user
|
|
// TODO: The value of CURRENT_USER() can differ from the value of USER(). We will finish this after we support grant tables.
|
|
func builtinCurrentUser(args []interface{}, ctx context.Context) (v interface{}, err error) {
|
|
data := variable.GetSessionVars(ctx)
|
|
if data == nil {
|
|
return nil, errors.Errorf("Missing session variable when evalue builtin")
|
|
}
|
|
|
|
return data.User, nil
|
|
}
|
|
|
|
func builtinUser(args []interface{}, ctx context.Context) (v interface{}, err error) {
|
|
data := variable.GetSessionVars(ctx)
|
|
if data == nil {
|
|
return nil, errors.Errorf("Missing session variable when evalue builtin")
|
|
}
|
|
|
|
return data.User, nil
|
|
}
|
|
|
|
func builtinConnectionID(args []interface{}, ctx context.Context) (v interface{}, err error) {
|
|
data := variable.GetSessionVars(ctx)
|
|
if data == nil {
|
|
return nil, errors.Errorf("Missing session variable when evalue builtin")
|
|
}
|
|
|
|
return data.ConnectionID, nil
|
|
}
|
|
|
|
func builtinVersion(args []interface{}, ctx context.Context) (v interface{}, err error) {
|
|
return mysql.ServerVersion, nil
|
|
}
|