surrealpatch/db/modify.go
2016-05-11 20:23:21 +01:00

69 lines
1.5 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 db
import (
"github.com/abcum/surreal/sql"
// "github.com/abcum/surreal/util/json"
"github.com/abcum/surreal/util/keys"
"github.com/cockroachdb/cockroach/client"
)
func executeModifyStatement(ast *sql.ModifyStatement) (out []interface{}, err error) {
db.Txn(func(txn *client.Txn) error {
bch := txn.NewBatch()
for _, w := range ast.What {
switch what := w.(type) {
case *sql.Thing: // Create a thing
var res interface{}
key := &keys.Thing{
KV: ast.KV,
NS: ast.NS,
DB: ast.DB,
TB: what.Table,
ID: what.ID,
}
if res, err = modify(txn, key, ast); err != nil {
return err
}
out = append(out, res)
}
}
return txn.CommitInBatch(bch)
})
return
}
// modify modifies a record in the database using jsondiffpatch
func modify(txn *client.Txn, key *keys.Thing, ast *sql.ModifyStatement) (res interface{}, err error) {
return
}