Integrate public as bindata optionally (#293)

* 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

vendor/github.com/pingcap/tidb/sessionctx/db/db.go

@@ -0,0 +1,42 @@
+// 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 db
+
+import (
+	"github.com/pingcap/tidb/context"
+)
+
+// currentDBKeyType is a dummy type to avoid naming collision in context.
+type currentDBKeyType int
+
+// String defines a Stringer function for debugging and pretty printing.
+func (k currentDBKeyType) String() string {
+	return "current_db"
+}
+
+const currentDBKey currentDBKeyType = 0
+
+// BindCurrentSchema saves parameter schema as current schema name value into context.
+func BindCurrentSchema(ctx context.Context, schema string) {
+	ctx.SetValue(currentDBKey, schema)
+}
+
+// GetCurrentSchema gets current schema name from context.
+func GetCurrentSchema(ctx context.Context) string {
+	v, ok := ctx.Value(currentDBKey).(string)
+	if !ok {
+		return ""
+	}
+	return v
+}