github.com/ecodeclub/eorm@v0.0.2-0.20231001112437-dae71da914d0/internal/dialect/dialect.go (about)

     1  // Copyright 2021 ecodeclub
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package dialect
    16  
    17  import "github.com/ecodeclub/eorm/internal/errs"
    18  
    19  // Dialect specify config or behavior of special SQL dialects
    20  type Dialect struct {
    21  	Name string
    22  	// in MYSQL, it's "`"
    23  	Quote byte
    24  }
    25  
    26  var (
    27  	MySQL = Dialect{
    28  		Name:  "MySQL",
    29  		Quote: '`',
    30  	}
    31  	SQLite = Dialect{
    32  		Name:  "SQLite",
    33  		Quote: '`',
    34  	}
    35  )
    36  
    37  func Of(driver string) (Dialect, error) {
    38  	switch driver {
    39  	case "sqlite3":
    40  		return SQLite, nil
    41  	case "mysql":
    42  		return MySQL, nil
    43  	default:
    44  		return Dialect{}, errs.NewUnsupportedDriverError(driver)
    45  	}
    46  }