111 lines
2.3 KiB
Go
111 lines
2.3 KiB
Go
// Copyright © 2016 Abcum Ltd
|
|
//
|
|
// 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,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package txn
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/abcum/surreal/cnf"
|
|
"github.com/abcum/surreal/kvs"
|
|
"github.com/abcum/surreal/sql"
|
|
"github.com/abcum/surreal/util/keys"
|
|
)
|
|
|
|
func (t *TX) AllDB(ctx context.Context, ns string) (out []*sql.DefineDatabaseStatement, err error) {
|
|
|
|
var kvs []kvs.KV
|
|
|
|
key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: keys.Ignore}
|
|
|
|
if kvs, err = t.GetP(ctx, 0, key.Encode(), 0); err != nil {
|
|
return
|
|
}
|
|
|
|
for _, kv := range kvs {
|
|
val := &sql.DefineDatabaseStatement{}
|
|
val.Decode(kv.Val())
|
|
out = append(out, val)
|
|
}
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (t *TX) GetDB(ctx context.Context, ns, db string) (val *sql.DefineDatabaseStatement, err error) {
|
|
|
|
if out, ok := t.get(_db, db); ok {
|
|
return out.(*sql.DefineDatabaseStatement), nil
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: db}
|
|
|
|
if kv, err = t.Get(ctx, 0, key.Encode()); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if !kv.Exi() {
|
|
return nil, ErrorDBNotFound
|
|
}
|
|
|
|
val = &sql.DefineDatabaseStatement{}
|
|
val.Decode(kv.Val())
|
|
|
|
t.set(_db, db, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (t *TX) AddDB(ctx context.Context, ns, db string) (val *sql.DefineDatabaseStatement, err error) {
|
|
|
|
if out, ok := t.get(_db, db); ok {
|
|
return out.(*sql.DefineDatabaseStatement), nil
|
|
}
|
|
|
|
if _, err = t.AddNS(ctx, ns); err != nil {
|
|
return
|
|
}
|
|
|
|
var kv kvs.KV
|
|
|
|
key := &keys.DB{KV: cnf.Settings.DB.Base, NS: ns, DB: db}
|
|
|
|
if kv, err = t.Get(ctx, 0, key.Encode()); err != nil {
|
|
return
|
|
}
|
|
|
|
if kv != nil && kv.Exi() {
|
|
val = &sql.DefineDatabaseStatement{}
|
|
val.Decode(kv.Val())
|
|
t.set(_db, db, val)
|
|
return
|
|
}
|
|
|
|
val = &sql.DefineDatabaseStatement{Name: sql.NewIdent(db)}
|
|
t.PutC(ctx, 0, key.Encode(), val.Encode(), nil)
|
|
|
|
t.set(_db, db, val)
|
|
|
|
return
|
|
|
|
}
|
|
|
|
func (t *TX) DelDB(ns, db string) {
|
|
|
|
t.del(_db, db)
|
|
|
|
}
|