aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/go-xorm/xorm/session_get.go
diff options
context:
space:
mode:
authorUnknwon <u@gogs.io>2019-10-23 23:03:17 -0700
committerGitHub <noreply@github.com>2019-10-23 23:03:17 -0700
commit613139e7bef81d3573e7988a47eb6765f3de347a (patch)
tree49de7277898d3ff47a122c072568edb8ed4c9ac9 /vendor/github.com/go-xorm/xorm/session_get.go
parentfb100dbf98f02e4c631d142ff0f52ec29ee2f00c (diff)
Enable Go modules (#5835)
* Remove vendor * Enable Go modules * ci: add command to fetch dependencies * ci: update setting * ci: update settings * Require Go 1.11 * Rename module name to gogs.io/gogs
Diffstat (limited to 'vendor/github.com/go-xorm/xorm/session_get.go')
-rw-r--r--vendor/github.com/go-xorm/xorm/session_get.go212
1 files changed, 0 insertions, 212 deletions
diff --git a/vendor/github.com/go-xorm/xorm/session_get.go b/vendor/github.com/go-xorm/xorm/session_get.go
deleted file mode 100644
index 3b2c9493..00000000
--- a/vendor/github.com/go-xorm/xorm/session_get.go
+++ /dev/null
@@ -1,212 +0,0 @@
-// Copyright 2016 The Xorm Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package xorm
-
-import (
- "database/sql"
- "errors"
- "reflect"
- "strconv"
-
- "github.com/go-xorm/core"
-)
-
-// Get retrieve one record from database, bean's non-empty fields
-// will be as conditions
-func (session *Session) Get(bean interface{}) (bool, error) {
- if session.isAutoClose {
- defer session.Close()
- }
- return session.get(bean)
-}
-
-func (session *Session) get(bean interface{}) (bool, error) {
- beanValue := reflect.ValueOf(bean)
- if beanValue.Kind() != reflect.Ptr {
- return false, errors.New("needs a pointer to a value")
- } else if beanValue.Elem().Kind() == reflect.Ptr {
- return false, errors.New("a pointer to a pointer is not allowed")
- }
-
- if beanValue.Elem().Kind() == reflect.Struct {
- if err := session.statement.setRefBean(bean); err != nil {
- return false, err
- }
- }
-
- var sqlStr string
- var args []interface{}
- var err error
-
- if session.statement.RawSQL == "" {
- if len(session.statement.TableName()) <= 0 {
- return false, ErrTableNotFound
- }
- session.statement.Limit(1)
- sqlStr, args, err = session.statement.genGetSQL(bean)
- if err != nil {
- return false, err
- }
- } else {
- sqlStr = session.statement.RawSQL
- args = session.statement.RawParams
- }
-
- table := session.statement.RefTable
-
- if session.canCache() && beanValue.Elem().Kind() == reflect.Struct {
- if cacher := session.engine.getCacher(table.Name); cacher != nil &&
- !session.statement.unscoped {
- has, err := session.cacheGet(bean, sqlStr, args...)
- if err != ErrCacheFailed {
- return has, err
- }
- }
- }
-
- return session.nocacheGet(beanValue.Elem().Kind(), table, bean, sqlStr, args...)
-}
-
-func (session *Session) nocacheGet(beanKind reflect.Kind, table *core.Table, bean interface{}, sqlStr string, args ...interface{}) (bool, error) {
- rows, err := session.queryRows(sqlStr, args...)
- if err != nil {
- return false, err
- }
- defer rows.Close()
-
- if !rows.Next() {
- return false, nil
- }
-
- switch bean.(type) {
- case sql.NullInt64, sql.NullBool, sql.NullFloat64, sql.NullString:
- return true, rows.Scan(&bean)
- case *sql.NullInt64, *sql.NullBool, *sql.NullFloat64, *sql.NullString:
- return true, rows.Scan(bean)
- }
-
- switch beanKind {
- case reflect.Struct:
- fields, err := rows.Columns()
- if err != nil {
- // WARN: Alougth rows return true, but get fields failed
- return true, err
- }
-
- scanResults, err := session.row2Slice(rows, fields, bean)
- if err != nil {
- return false, err
- }
- // close it before covert data
- rows.Close()
-
- dataStruct := rValue(bean)
- _, err = session.slice2Bean(scanResults, fields, bean, &dataStruct, table)
- if err != nil {
- return true, err
- }
-
- return true, session.executeProcessors()
- case reflect.Slice:
- err = rows.ScanSlice(bean)
- case reflect.Map:
- err = rows.ScanMap(bean)
- default:
- err = rows.Scan(bean)
- }
-
- return true, err
-}
-
-func (session *Session) cacheGet(bean interface{}, sqlStr string, args ...interface{}) (has bool, err error) {
- // if has no reftable, then don't use cache currently
- if !session.canCache() {
- return false, ErrCacheFailed
- }
-
- for _, filter := range session.engine.dialect.Filters() {
- sqlStr = filter.Do(sqlStr, session.engine.dialect, session.statement.RefTable)
- }
- newsql := session.statement.convertIDSQL(sqlStr)
- if newsql == "" {
- return false, ErrCacheFailed
- }
-
- tableName := session.statement.TableName()
- cacher := session.engine.getCacher(tableName)
-
- session.engine.logger.Debug("[cacheGet] find sql:", newsql, args)
- table := session.statement.RefTable
- ids, err := core.GetCacheSql(cacher, tableName, newsql, args)
- if err != nil {
- var res = make([]string, len(table.PrimaryKeys))
- rows, err := session.NoCache().queryRows(newsql, args...)
- if err != nil {
- return false, err
- }
- defer rows.Close()
-
- if rows.Next() {
- err = rows.ScanSlice(&res)
- if err != nil {
- return false, err
- }
- } else {
- return false, ErrCacheFailed
- }
-
- var pk core.PK = make([]interface{}, len(table.PrimaryKeys))
- for i, col := range table.PKColumns() {
- if col.SQLType.IsText() {
- pk[i] = res[i]
- } else if col.SQLType.IsNumeric() {
- n, err := strconv.ParseInt(res[i], 10, 64)
- if err != nil {
- return false, err
- }
- pk[i] = n
- } else {
- return false, errors.New("unsupported")
- }
- }
-
- ids = []core.PK{pk}
- session.engine.logger.Debug("[cacheGet] cache ids:", newsql, ids)
- err = core.PutCacheSql(cacher, ids, tableName, newsql, args)
- if err != nil {
- return false, err
- }
- } else {
- session.engine.logger.Debug("[cacheGet] cache hit sql:", newsql, ids)
- }
-
- if len(ids) > 0 {
- structValue := reflect.Indirect(reflect.ValueOf(bean))
- id := ids[0]
- session.engine.logger.Debug("[cacheGet] get bean:", tableName, id)
- sid, err := id.ToString()
- if err != nil {
- return false, err
- }
- cacheBean := cacher.GetBean(tableName, sid)
- if cacheBean == nil {
- cacheBean = bean
- has, err = session.nocacheGet(reflect.Struct, table, cacheBean, sqlStr, args...)
- if err != nil || !has {
- return has, err
- }
-
- session.engine.logger.Debug("[cacheGet] cache bean:", tableName, id, cacheBean)
- cacher.PutBean(tableName, sid, cacheBean)
- } else {
- session.engine.logger.Debug("[cacheGet] cache hit bean:", tableName, id, cacheBean)
- has = true
- }
- structValue.Set(reflect.Indirect(reflect.ValueOf(cacheBean)))
-
- return has, nil
- }
- return false, nil
-}