surrealpatch/db/insert.go
Tobie Morgan Hitchcock 8cce4ad185 No need for PutC as we always already have the record value
We don’t need to check whether the record already exists, as we always have any record contents when we are procesing a document. Therefore we already know if a document exists or not in the kv store.
2018-02-08 10:59:54 +00:00

127 lines
2.7 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 (
"fmt"
"context"
"github.com/abcum/surreal/sql"
"github.com/abcum/surreal/util/data"
"github.com/abcum/surreal/util/keys"
)
func (e *executor) executeInsert(ctx context.Context, stm *sql.InsertStatement) ([]interface{}, error) {
data, err := e.fetch(ctx, stm.Data, nil)
if err != nil {
return nil, err
}
i := newIterator(e, ctx, stm, false)
switch data := data.(type) {
default:
return nil, fmt.Errorf("Can not execute INSERT query using value '%v'", data)
case []interface{}:
key := &keys.Thing{KV: stm.KV, NS: stm.NS, DB: stm.DB, TB: stm.Into.TB}
i.processArray(ctx, key, data)
case map[string]interface{}:
key := &keys.Thing{KV: stm.KV, NS: stm.NS, DB: stm.DB, TB: stm.Into.TB}
i.processArray(ctx, key, []interface{}{data})
}
return i.Yield(ctx)
}
func (e *executor) fetchInsert(ctx context.Context, stm *sql.InsertStatement, doc *data.Doc) (interface{}, error) {
stm.Echo = sql.AFTER
if doc != nil {
vars := data.New()
vars.Set(doc.Data(), varKeyParent)
ctx = context.WithValue(ctx, ctxKeySubs, vars)
}
out, err := e.executeInsert(ctx, stm)
if err != nil {
return nil, err
}
switch len(out) {
case 1:
return data.Consume(out).Get(docKeyOne, docKeyId).Data(), nil
default:
return data.Consume(out).Get(docKeyAll, docKeyId).Data(), nil
}
}
func (d *document) runInsert(ctx context.Context, stm *sql.InsertStatement) (interface{}, error) {
var ok bool
var err error
var met = _CREATE
defer d.close()
if err = d.setup(); err != nil {
return nil, err
}
if d.val.Exi() == true {
return nil, &ExistError{exist: d.id}
}
if err = d.merge(ctx, nil); err != nil {
return nil, err
}
if ok, err = d.allow(ctx, met); err != nil {
return nil, err
} else if ok == false {
return nil, nil
}
if err = d.storeIndex(); err != nil {
return nil, err
}
if err = d.storeThing(); err != nil {
return nil, err
}
if err = d.table(ctx, met); err != nil {
return nil, err
}
if err = d.event(ctx, met); err != nil {
return nil, err
}
if err = d.lives(ctx, met); err != nil {
return nil, err
}
return d.yield(ctx, stm, stm.Echo)
}