91 lines
1.7 KiB
Go
91 lines
1.7 KiB
Go
package xorm
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import (
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"reflect"
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"strconv"
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"strings"
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"time"
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)
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type SQLType struct {
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Name string
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DefaultLength int
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DefaultLength2 int
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}
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var (
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Int = SQLType{"int", 11, 0}
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Char = SQLType{"char", 1, 0}
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Bool = SQLType{"int", 1, 0}
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Varchar = SQLType{"varchar", 50, 0}
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Date = SQLType{"date", 24, 0}
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Decimal = SQLType{"decimal", 26, 2}
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Float = SQLType{"float", 31, 0}
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Double = SQLType{"double", 31, 0}
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)
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func (sqlType SQLType) genSQL(length int) string {
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if sqlType == Date {
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return " datetime "
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}
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return sqlType.Name + "(" + strconv.Itoa(length) + ")"
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}
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func Type2SQLType(t reflect.Type) (st SQLType) {
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switch k := t.Kind(); k {
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case reflect.Int, reflect.Int32, reflect.Int64:
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st = Int
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case reflect.Bool:
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st = Bool
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case reflect.String:
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st = Varchar
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case reflect.Struct:
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if t == reflect.TypeOf(time.Time{}) {
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st = Date
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}
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default:
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st = Varchar
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}
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return
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}
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type Column struct {
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Name string
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FieldName string
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SQLType SQLType
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Length int
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Length2 int
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Nullable bool
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Default string
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IsUnique bool
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IsPrimaryKey bool
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IsAutoIncrement bool
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}
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type Table struct {
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Name string
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Type reflect.Type
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Columns map[string]Column
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PrimaryKey string
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}
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func (table *Table) ColumnStr() string {
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colNames := make([]string, 0)
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for _, col := range table.Columns {
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colNames = append(colNames, col.Name)
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}
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return strings.Join(colNames, ", ")
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}
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/*func (table *Table) PlaceHolders() string {
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colNames := make([]string, 0)
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for _, col := range table.Columns {
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colNames = append(colNames, "?")
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}
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return strings.Join(colNames, ", ")
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}*/
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func (table *Table) PKColumn() Column {
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return table.Columns[table.PrimaryKey]
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}
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