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set scale and precision for exprs ascii and ord

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This commit is contained in:
obdev
2022-12-23 04:45:17 +00:00
committed by ob-robot
parent d1adfdd085
commit 0786a354df
1 changed files with 7 additions and 0 deletions
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7
src/sql/engine/expr/ob_expr_ascii.cpp
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@ -26,6 +26,9 @@ using namespace common;
namespace sql namespace sql
{ {
static const int64_t DEFAULT_ASCII_PRECISION_FOR_MYSQL = 3;
static const int64_t DEFAULT_ORD_PRECISION_FOR_MYSQL = 21;
ObExprAscii::ObExprAscii(ObIAllocator &alloc) ObExprAscii::ObExprAscii(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, : ObFuncExprOperator(alloc,
T_FUN_SYS_ASCII, T_FUN_SYS_ASCII,
@ -54,6 +57,8 @@ int ObExprAscii::calc_result_type1(ObExprResType &type,
OZ(deduce_string_param_calc_type_and_charset(*session, tmp_type, params)); OZ(deduce_string_param_calc_type_and_charset(*session, tmp_type, params));
} else { } else {
type.set_int32(); type.set_int32();
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
type.set_precision(DEFAULT_ASCII_PRECISION_FOR_MYSQL);
if (ob_is_string_type(type1.get_type())) { if (ob_is_string_type(type1.get_type())) {
type1.set_calc_type(type1.get_type()); type1.set_calc_type(type1.get_type());
type1.set_calc_collation_type(type1.get_collation_type()); type1.set_calc_collation_type(type1.get_collation_type());
@ -142,6 +147,8 @@ int ObExprOrd::calc_result_type1(ObExprResType &type,
int ret = OB_SUCCESS; int ret = OB_SUCCESS;
UNUSED(type_ctx); UNUSED(type_ctx);
type.set_int(); type.set_int();
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
type.set_precision(DEFAULT_ORD_PRECISION_FOR_MYSQL);
if (ob_is_string_type(type1.get_type())) { if (ob_is_string_type(type1.get_type())) {
type1.set_calc_type(type1.get_type()); type1.set_calc_type(type1.get_type());
type1.set_calc_collation_type(type1.get_collation_type()); type1.set_calc_collation_type(type1.get_collation_type());