func datumExpr(d types.Datum) *tipb.Expr {
expr := new(tipb.Expr)
switch d.Kind() {
case types.KindInt64:
expr.Tp = tipb.ExprType_Int64
expr.Val = codec.EncodeInt(nil, d.GetInt64())
case types.KindUint64:
expr.Tp = tipb.ExprType_Uint64
expr.Val = codec.EncodeUint(nil, d.GetUint64())
case types.KindString:
expr.Tp = tipb.ExprType_String
expr.Val = d.GetBytes()
case types.KindBytes:
expr.Tp = tipb.ExprType_Bytes
expr.Val = d.GetBytes()
case types.KindFloat32:
expr.Tp = tipb.ExprType_Float32
expr.Val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindFloat64:
expr.Tp = tipb.ExprType_Float64
expr.Val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindMysqlDuration:
expr.Tp = tipb.ExprType_MysqlDuration
expr.Val = codec.EncodeInt(nil, int64(d.GetMysqlDuration().Duration))
case types.KindMysqlDecimal:
expr.Tp = tipb.ExprType_MysqlDecimal
expr.Val = codec.EncodeDecimal(nil, d)
default:
expr.Tp = tipb.ExprType_Null
}
return expr
}
func (b *executorBuilder) datumToPBExpr(client kv.Client, d types.Datum) *tipb.Expr {
var tp tipb.ExprType
var val []byte
switch d.Kind() {
case types.KindNull:
tp = tipb.ExprType_Null
case types.KindInt64:
tp = tipb.ExprType_Int64
val = codec.EncodeInt(nil, d.GetInt64())
case types.KindUint64:
tp = tipb.ExprType_Uint64
val = codec.EncodeUint(nil, d.GetUint64())
case types.KindString:
tp = tipb.ExprType_String
val = d.GetBytes()
case types.KindBytes:
tp = tipb.ExprType_Bytes
val = d.GetBytes()
case types.KindFloat32:
tp = tipb.ExprType_Float32
val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindFloat64:
tp = tipb.ExprType_Float64
val = codec.EncodeFloat(nil, d.GetFloat64())
case types.KindMysqlDuration:
tp = tipb.ExprType_MysqlDuration
val = codec.EncodeInt(nil, int64(d.GetMysqlDuration().Duration))
case types.KindMysqlDecimal:
tp = tipb.ExprType_MysqlDecimal
val = codec.EncodeDecimal(nil, d.GetMysqlDecimal())
default:
return nil
}
if !client.SupportRequestType(kv.ReqTypeSelect, int64(tp)) {
return nil
}
return &tipb.Expr{Tp: tp.Enum(), Val: val}
}