/
collection.go
96 lines (79 loc) · 2.46 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 sqlite
import (
"database/sql"
db "upper.io/db.v3"
"upper.io/db.v3/internal/sqladapter"
"upper.io/db.v3/lib/sqlbuilder"
)
// table is the actual implementation of a collection.
type table struct {
sqladapter.BaseCollection // Leveraged by sqladapter
d *database
name string
}
var (
_ = sqladapter.Collection(&table{})
_ = db.Collection(&table{})
)
// newTable binds *table with sqladapter.
func newTable(d *database, name string) *table {
t := &table{
name: name,
d: d,
}
t.BaseCollection = sqladapter.NewBaseCollection(t)
return t
}
func (t *table) Name() string {
return t.name
}
func (t *table) Database() sqladapter.Database {
return t.d
}
// Insert inserts an item (map or struct) into the collection.
func (t *table) Insert(item interface{}) (interface{}, error) {
columnNames, columnValues, err := sqlbuilder.Map(item, nil)
if err != nil {
return nil, err
}
pKey := t.BaseCollection.PrimaryKeys()
q := t.d.InsertInto(t.Name()).
Columns(columnNames...).
Values(columnValues...)
var res sql.Result
if res, err = q.Exec(); err != nil {
return nil, err
}
if len(pKey) <= 1 {
return res.LastInsertId()
}
keyMap := db.Cond{}
for i := range columnNames {
for j := 0; j < len(pKey); j++ {
if pKey[j] == columnNames[i] {
keyMap[pKey[j]] = columnValues[i]
}
}
}
return keyMap, nil
}