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connector.go
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connector.go
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// Copyright 2014 Eryx <evorui аt gmаil dοt cοm>, All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mysqlgo
import (
"database/sql"
"errors"
"fmt"
_ "github.com/go-sql-driver/mysql"
"github.com/lynkdb/iomix/connect"
"github.com/lynkdb/iomix/rdb"
)
func NewConnector(cfg connect.ConnOptions) (rdb.Connector, error) {
dsn := ""
if cfg.Value("host") != "" {
dsn = fmt.Sprintf(
`%s:%s@tcp(%s:%s)/%s`,
cfg.Value("user"), cfg.Value("pass"),
cfg.Value("host"), cfg.Value("port"), cfg.Value("dbname"),
)
} else if cfg.Value("socket") != "" {
dsn = fmt.Sprintf(
`%s:%s@unix(%s)/%s?charset=%s`,
cfg.Value("user"), cfg.Value("pass"),
cfg.Value("socket"), cfg.Value("dbname"), cfg.Value("charset"),
)
} else {
return nil, errors.New("Incorrect configuration")
}
db, err := sql.Open("mysql", dsn)
if err != nil {
return nil, err
}
base, err := rdb.NewBase(cfg, db)
if err != nil {
return nil, err
}
base.QuoteStr = dialectQuoteStr
for k, v := range dialectStmts {
base.StmtSet(k, v)
}
return &Dialect{
Base: *base,
dbName: cfg.Value("dbname"),
}, nil
}