forked from ClickHouse/clickhouse-go
/
uint64.go
44 lines (38 loc) · 845 Bytes
/
uint64.go
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package column
import (
"github.com/kshvakov/clickhouse/lib/binary"
)
type UInt64 struct{ base }
func (UInt64) Read(decoder *binary.Decoder) (interface{}, error) {
v, err := decoder.UInt64()
if err != nil {
return uint64(0), err
}
return v, nil
}
func (u *UInt64) Write(encoder *binary.Encoder, v interface{}) error {
switch v := v.(type) {
case []byte:
if _, err := encoder.Write(v); err != nil {
return err
}
return nil
case uint64:
return encoder.UInt64(v)
case int64:
return encoder.UInt64(uint64(v))
case int:
return encoder.UInt64(uint64(v))
// this relies on Nullable never sending nil values through
case *uint64:
return encoder.UInt64(*v)
case *int64:
return encoder.UInt64(uint64(*v))
case *int:
return encoder.UInt64(uint64(*v))
}
return &ErrUnexpectedType{
T: v,
Column: u,
}
}