57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package column
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import (
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"fmt"
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"reflect"
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"time"
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)
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type ErrUnexpectedType struct {
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Column Column
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T interface{}
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}
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func (err *ErrUnexpectedType) Error() string {
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return fmt.Sprintf("%s: unexpected type %T", err.Column, err.T)
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}
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var baseTypes = map[interface{}]reflect.Value{
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int8(0): reflect.ValueOf(int8(0)),
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int16(0): reflect.ValueOf(int16(0)),
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int32(0): reflect.ValueOf(int32(0)),
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int64(0): reflect.ValueOf(int64(0)),
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uint8(0): reflect.ValueOf(uint8(0)),
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uint16(0): reflect.ValueOf(uint16(0)),
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uint32(0): reflect.ValueOf(uint32(0)),
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uint64(0): reflect.ValueOf(uint64(0)),
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float32(0): reflect.ValueOf(float32(0)),
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float64(0): reflect.ValueOf(float64(0)),
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string(""): reflect.ValueOf(string("")),
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time.Time{}: reflect.ValueOf(time.Time{}),
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}
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type base struct {
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name, chType string
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valueOf reflect.Value
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}
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func (base *base) Name() string {
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return base.name
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}
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func (base *base) CHType() string {
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return base.chType
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}
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func (base *base) ScanType() reflect.Type {
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return base.valueOf.Type()
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}
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func (base *base) defaultValue() interface{} {
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return base.valueOf.Interface()
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}
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func (base *base) String() string {
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return fmt.Sprintf("%s (%s)", base.name, base.chType)
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}
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