gorm/sql_type.go

106 lines
2.5 KiB
Go

package gorm
import (
"database/sql"
"fmt"
"time"
)
func getPrimaryKeySqlType(adaptor string, column interface{}, size int) string {
switch adaptor {
case "sqlite3":
return "INTEGER PRIMARY KEY"
case "mysql":
suffix_str := " NOT NULL AUTO_INCREMENT PRIMARY KEY"
switch column.(type) {
case int, int8, int16, int32, uint, uint8, uint16, uint32:
return "int" + suffix_str
case int64, uint64:
return "bigint" + suffix_str
}
case "postgres":
switch column.(type) {
case int, int8, int16, int32, uint, uint8, uint16, uint32:
return "serial"
case int64, uint64:
return "bigserial"
}
}
panic("unsupported sql adaptor, please submit an issue in github")
}
func getSqlType(adaptor string, column interface{}, size int) string {
switch adaptor {
case "sqlite3":
switch column.(type) {
case time.Time:
return "datetime"
case bool, sql.NullBool:
return "bool"
case int, int8, int16, int32, uint, uint8, uint16, uint32:
return "integer"
case int64, uint64, sql.NullInt64:
return "bigint"
case float32, float64, sql.NullFloat64:
return "real"
case string, sql.NullString:
if size > 0 && size < 65532 {
return fmt.Sprintf("varchar(%d)", size)
}
return "text"
default:
panic("invalid sql type")
}
case "mysql":
switch column.(type) {
case time.Time:
return "timestamp"
case bool, sql.NullBool:
return "boolean"
case int, int8, int16, int32, uint, uint8, uint16, uint32:
return "int"
case int64, uint64, sql.NullInt64:
return "bigint"
case float32, float64, sql.NullFloat64:
return "double"
case []byte:
if size > 0 && size < 65532 {
return fmt.Sprintf("varbinary(%d)", size)
}
return "longblob"
case string, sql.NullString:
if size > 0 && size < 65532 {
return fmt.Sprintf("varchar(%d)", size)
}
return "longtext"
default:
panic("invalid sql type")
}
case "postgres":
switch column.(type) {
case time.Time:
return "timestamp with time zone"
case bool, sql.NullBool:
return "boolean"
case int, int8, int16, int32, uint, uint8, uint16, uint32:
return "integer"
case int64, uint64, sql.NullInt64:
return "bigint"
case float32, float64, sql.NullFloat64:
return "double precision"
case []byte:
return "bytea"
case string, sql.NullString:
if size > 0 && size < 65532 {
return fmt.Sprintf("varchar(%d)", size)
}
return "text"
default:
panic("invalid sql type")
}
default:
panic("unsupported sql adaptor, please submit an issue in github")
}
}