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