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bee/internal/app/module/beegopro/schema_mysql_model.go
2020-12-16 13:35:23 +08:00

76 lines
1.9 KiB
Go

package beegopro
import (
"database/sql"
"errors"
"github.com/beego/bee/v2/logger"
)
type TableSchema struct {
TableName string
ColumnName string
IsNullable string
DataType string
CharacterMaximumLength sql.NullInt64
NumericPrecision sql.NullInt64
NumericScale sql.NullInt64
ColumnType string
ColumnKey string
Comment string
}
type TableSchemas []TableSchema
func (tableSchemas TableSchemas) ToTableMap() (resp map[string]ModelInfos) {
resp = make(map[string]ModelInfos)
for _, value := range tableSchemas {
if _, ok := resp[value.TableName]; !ok {
resp[value.TableName] = make(ModelInfos, 0)
}
modelInfos := resp[value.TableName]
inputType, goType, err := value.ToGoType()
if err != nil {
beeLogger.Log.Fatalf("parse go type err %s", err)
return
}
modelInfo := ModelInfo{
Name: value.ColumnName,
InputType: inputType,
GoType: goType,
Comment: value.Comment,
}
if value.ColumnKey == "PRI" {
modelInfo.Orm = "pk"
}
resp[value.TableName] = append(modelInfos, modelInfo)
}
return
}
// GetGoDataType maps an SQL data type to Golang data type
func (col TableSchema) ToGoType() (inputType string, goType string, err error) {
switch col.DataType {
case "char", "varchar", "enum", "set", "text", "longtext", "mediumtext", "tinytext":
goType = "string"
case "blob", "mediumblob", "longblob", "varbinary", "binary":
goType = "[]byte"
case "date", "time", "datetime", "timestamp":
goType, inputType = "time.Time", "dateTime"
case "tinyint", "smallint", "int", "mediumint":
goType = "int"
case "bit", "bigint":
goType = "int64"
case "float", "decimal", "double":
goType = "float64"
}
if goType == "" {
err = errors.New("No compatible datatype (" + col.DataType + ", CamelName: " + col.ColumnName + ") found")
}
return
}