/
collection.go
77 lines (66 loc) · 2.2 KB
/
collection.go
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// Copyright (c) 2012-present The upper.io/db authors. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package mysql
import (
db "github.com/upper/db/v4"
"github.com/upper/db/v4/internal/sqladapter"
"github.com/upper/db/v4/internal/sqlbuilder"
)
type collectionAdapter struct {
}
func (*collectionAdapter) Insert(col sqladapter.Collection, item interface{}) (interface{}, error) {
columnNames, columnValues, err := sqlbuilder.Map(item, nil)
if err != nil {
return nil, err
}
pKey, err := col.PrimaryKeys()
if err != nil {
return nil, err
}
q := col.SQL().InsertInto(col.Name()).
Columns(columnNames...).
Values(columnValues...)
res, err := q.Exec()
if err != nil {
return nil, err
}
lastID, err := res.LastInsertId()
if err == nil && len(pKey) <= 1 {
return lastID, nil
}
keyMap := db.Cond{}
for i := range columnNames {
for j := 0; j < len(pKey); j++ {
if pKey[j] == columnNames[i] {
keyMap[pKey[j]] = columnValues[i]
}
}
}
// There was an auto column among primary keys, let's search for it.
if lastID > 0 {
for j := 0; j < len(pKey); j++ {
if keyMap[pKey[j]] == nil {
keyMap[pKey[j]] = lastID
}
}
}
return keyMap, nil
}