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84 lines
2.5 KiB
84 lines
2.5 KiB
// Copyright (c) 2012-present The upper.io/db authors. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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// Package sqladapter provides common logic for SQL adapters.
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package sqladapter
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import (
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"database/sql"
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"database/sql/driver"
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"github.com/upper/db/v4"
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"github.com/upper/db/v4/internal/sqlbuilder"
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)
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// IsKeyValue reports whether v is a valid value for a primary key that can be
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// used with Find(pKey).
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func IsKeyValue(v interface{}) bool {
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if v == nil {
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return true
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}
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switch v.(type) {
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case int64, int, uint, uint64,
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[]int64, []int, []uint, []uint64,
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[]byte, []string,
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[]interface{},
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driver.Valuer:
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return true
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}
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return false
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}
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type sqlAdapterWrapper struct {
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adapter AdapterSession
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}
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func (w *sqlAdapterWrapper) OpenDSN(dsn db.ConnectionURL) (db.Session, error) {
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sess := NewSession(dsn, w.adapter)
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if err := sess.Open(); err != nil {
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return nil, err
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}
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return sess, nil
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}
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func (w *sqlAdapterWrapper) NewTx(sqlTx *sql.Tx) (sqlbuilder.Tx, error) {
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tx, err := NewTx(w.adapter, sqlTx)
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if err != nil {
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return nil, err
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}
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return tx, nil
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}
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func (w *sqlAdapterWrapper) New(sqlDB *sql.DB) (db.Session, error) {
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sess := NewSession(nil, w.adapter)
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if err := sess.BindDB(sqlDB); err != nil {
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return nil, err
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}
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return sess, nil
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}
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// RegisterAdapter registers a new SQL adapter.
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func RegisterAdapter(name string, adapter AdapterSession) sqlbuilder.Adapter {
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z := &sqlAdapterWrapper{adapter}
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db.RegisterAdapter(name, sqlbuilder.NewCompatAdapter(z))
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return z
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}
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