Move statement methods to statement.go

This commit is contained in:
Victor Gaydov 2016-05-13 13:09:11 +03:00 committed by Lunny Xiao
parent 9225f21f45
commit a75b13f07d
2 changed files with 74 additions and 74 deletions

View File

@ -649,39 +649,6 @@ func (session *Session) DropTable(beanOrTableName interface{}) error {
return nil
}
func (statement *Statement) JoinColumns(cols []*core.Column, includeTableName bool) string {
var colnames = make([]string, len(cols))
for i, col := range cols {
if includeTableName {
colnames[i] = statement.Engine.Quote(statement.TableName()) +
"." + statement.Engine.Quote(col.Name)
} else {
colnames[i] = statement.Engine.Quote(col.Name)
}
}
return strings.Join(colnames, ", ")
}
func (statement *Statement) convertIdSql(sqlStr string) string {
if statement.RefTable != nil {
cols := statement.RefTable.PKColumns()
if len(cols) == 0 {
return ""
}
colstrs := statement.JoinColumns(cols, false)
sqls := splitNNoCase(sqlStr, " from ", 2)
if len(sqls) != 2 {
return ""
}
if statement.Engine.dialect.DBType() == "ql" {
return fmt.Sprintf("SELECT id() FROM %v", sqls[1])
}
return fmt.Sprintf("SELECT %s FROM %v", colstrs, sqls[1])
}
return ""
}
func (session *Session) canCache() bool {
if session.Statement.RefTable == nil ||
session.Statement.JoinStr != "" ||
@ -3228,47 +3195,6 @@ func (session *Session) InsertOne(bean interface{}) (int64, error) {
return session.innerInsert(bean)
}
func (statement *Statement) convertUpdateSQL(sqlStr string) (string, string) {
if statement.RefTable == nil || len(statement.RefTable.PrimaryKeys) != 1 {
return "", ""
}
colstrs := statement.JoinColumns(statement.RefTable.PKColumns(), true)
sqls := splitNNoCase(sqlStr, "where", 2)
if len(sqls) != 2 {
if len(sqls) == 1 {
return sqls[0], fmt.Sprintf("SELECT %v FROM %v",
colstrs, statement.Engine.Quote(statement.TableName()))
}
return "", ""
}
var whereStr = sqls[1]
//TODO: for postgres only, if any other database?
var paraStr string
if statement.Engine.dialect.DBType() == core.POSTGRES {
paraStr = "$"
} else if statement.Engine.dialect.DBType() == core.MSSQL {
paraStr = ":"
}
if paraStr != "" {
if strings.Contains(sqls[1], paraStr) {
dollers := strings.Split(sqls[1], paraStr)
whereStr = dollers[0]
for i, c := range dollers[1:] {
ccs := strings.SplitN(c, " ", 2)
whereStr += fmt.Sprintf(paraStr+"%v %v", i+1, ccs[1])
}
}
}
return sqls[0], fmt.Sprintf("SELECT %v FROM %v WHERE %v",
colstrs, statement.Engine.Quote(statement.TableName()),
whereStr)
}
func (session *Session) cacheInsert(tables ...string) error {
if session.Statement.RefTable == nil {
return ErrCacheFailed

View File

@ -1347,3 +1347,77 @@ func (statement *Statement) processIdParam() {
}
}
}
func (statement *Statement) JoinColumns(cols []*core.Column, includeTableName bool) string {
var colnames = make([]string, len(cols))
for i, col := range cols {
if includeTableName {
colnames[i] = statement.Engine.Quote(statement.TableName()) +
"." + statement.Engine.Quote(col.Name)
} else {
colnames[i] = statement.Engine.Quote(col.Name)
}
}
return strings.Join(colnames, ", ")
}
func (statement *Statement) convertIdSql(sqlStr string) string {
if statement.RefTable != nil {
cols := statement.RefTable.PKColumns()
if len(cols) == 0 {
return ""
}
colstrs := statement.JoinColumns(cols, false)
sqls := splitNNoCase(sqlStr, " from ", 2)
if len(sqls) != 2 {
return ""
}
if statement.Engine.dialect.DBType() == "ql" {
return fmt.Sprintf("SELECT id() FROM %v", sqls[1])
}
return fmt.Sprintf("SELECT %s FROM %v", colstrs, sqls[1])
}
return ""
}
func (statement *Statement) convertUpdateSQL(sqlStr string) (string, string) {
if statement.RefTable == nil || len(statement.RefTable.PrimaryKeys) != 1 {
return "", ""
}
colstrs := statement.JoinColumns(statement.RefTable.PKColumns(), true)
sqls := splitNNoCase(sqlStr, "where", 2)
if len(sqls) != 2 {
if len(sqls) == 1 {
return sqls[0], fmt.Sprintf("SELECT %v FROM %v",
colstrs, statement.Engine.Quote(statement.TableName()))
}
return "", ""
}
var whereStr = sqls[1]
//TODO: for postgres only, if any other database?
var paraStr string
if statement.Engine.dialect.DBType() == core.POSTGRES {
paraStr = "$"
} else if statement.Engine.dialect.DBType() == core.MSSQL {
paraStr = ":"
}
if paraStr != "" {
if strings.Contains(sqls[1], paraStr) {
dollers := strings.Split(sqls[1], paraStr)
whereStr = dollers[0]
for i, c := range dollers[1:] {
ccs := strings.SplitN(c, " ", 2)
whereStr += fmt.Sprintf(paraStr+"%v %v", i+1, ccs[1])
}
}
}
return sqls[0], fmt.Sprintf("SELECT %v FROM %v WHERE %v",
colstrs, statement.Engine.Quote(statement.TableName()),
whereStr)
}