Fix date/datetime comparision bug and fix failed mysqltests

This commit is contained in:
obdev
2022-11-22 08:08:55 +00:00
committed by wangzelin.wzl
parent 5f8b94eb45
commit 3772f41232
3 changed files with 58 additions and 23 deletions

View File

@ -31,6 +31,7 @@
#include "sql/engine/expr/ob_expr_util.h"
#include "sql/engine/subquery/ob_subplan_filter_op.h"
#include "lib/timezone/ob_oracle_format_models.h"
#include "sql/resolver/dml/ob_select_stmt.h"
namespace oceanbase
{
@ -2127,29 +2128,55 @@ int ObRelationalExprOperator::deduce_cmp_type(const ObExprOperator &expr,
const ObRawExpr* other_expr = cmp_expr->get_param_expr(1);
ObObjType other_expr_type = ObMaxType;
bool is_date_op_other = false;
if (OB_ISNULL(cmp_expr) || OB_ISNULL(date_expr) || OB_ISNULL(other_expr)) {
if (OB_ISNULL(cmp_expr) || OB_ISNULL(date_expr) || OB_ISNULL(other_expr) ) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret), K(cmp_expr));
} else if (date_expr->get_result_type().get_type() == ObDateType ||
date_expr->get_result_type().get_type() == ObDateTimeType) {
other_expr_type = other_expr->get_result_type().get_type();
is_date_op_other = true;
} else if (other_expr->get_result_type().get_type() == ObDateType ||
other_expr->get_result_type().get_type() == ObDateTimeType) {
const ObRawExpr *tmp_expr = date_expr;
date_expr = other_expr;
other_expr = tmp_expr;
other_expr_type = other_expr->get_result_type().get_type();
is_date_op_other = true;
LOG_WARN("unexpected null", K(ret), K(cmp_expr), K(date_expr), K(other_expr));
} else {
//do nothing
if (T_REF_QUERY == other_expr->get_expr_type()) {
const ObQueryRefRawExpr *ref_expr = static_cast<const ObQueryRefRawExpr*>(other_expr);
if (OB_ISNULL(ref_expr->get_ref_stmt())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret));
} else {
other_expr = ref_expr->get_ref_stmt()->get_select_item(type_ctx.get_cur_row_idx()).expr_;
}
} else if (T_OP_ROW == other_expr->get_expr_type()) {
other_expr = other_expr->get_param_expr(type_ctx.get_cur_row_idx());
}
if (OB_FAIL(ret)) {
} else if (T_REF_QUERY == date_expr->get_expr_type()) {
const ObQueryRefRawExpr *ref_expr = static_cast<const ObQueryRefRawExpr*>(date_expr);
if (OB_ISNULL(ref_expr->get_ref_stmt())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret));
} else {
date_expr = ref_expr->get_ref_stmt()->get_select_item(type_ctx.get_cur_row_idx()).expr_;
}
} else if (T_OP_ROW == date_expr->get_expr_type()) {
date_expr = date_expr->get_param_expr(type_ctx.get_cur_row_idx());
}
if (OB_FAIL(ret)) {
} else if (OB_ISNULL(date_expr) || OB_ISNULL(other_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null", K(ret), K(date_expr), K(other_expr));
} else if (date_expr->get_result_type().get_type() == ObDateType ||
date_expr->get_result_type().get_type() == ObDateTimeType) {
other_expr_type = other_expr->get_result_type().get_type();
is_date_op_other = true;
} else if (other_expr->get_result_type().get_type() == ObDateType ||
other_expr->get_result_type().get_type() == ObDateTimeType) {
const ObRawExpr *tmp_expr = date_expr;
date_expr = other_expr;
other_expr = tmp_expr;
other_expr_type = other_expr->get_result_type().get_type();
is_date_op_other = true;
} else {
//do nothing
}
}
if (OB_SUCC(ret) &&
is_mysql_mode() &&
is_date_op_other &&
if (OB_SUCC(ret) && is_mysql_mode() && is_date_op_other &&
(ob_is_accurate_numeric_type(other_expr_type) || ob_is_real_type(other_expr_type)) &&
!(other_expr->is_const_expr() && !date_expr->is_const_expr())) {
!(other_expr->is_const_expr() && !date_expr->is_const_expr()) && !other_expr->has_flag(IS_USER_VARIABLE)) {
cmp_type.set_calc_type(ObDoubleType);
type.set_calc_collation(cmp_type);
type.set_calc_type(cmp_type.get_calc_type());
@ -2225,6 +2252,7 @@ int ObRelationalExprOperator::calc_result_typeN(ObExprResType &type,
// 1和'1.00x'会转为int然后比较,'1.00000'和'1.000000'会直接做字符串比较
ObExprResType tmp_res_type;
for (int64_t i = 0; OB_SUCC(ret) && i < row_dimension_; ++i) {
type_ctx.set_cur_row_idx(i);
if (OB_FAIL(ObRelationalExprOperator::calc_result_type2(tmp_res_type,
types[i],
types[i + row_dimension_],
@ -2751,6 +2779,7 @@ int ObSubQueryRelationalExpr::calc_result_typeN(ObExprResType &type,
if (OB_SUCC(ret)) {
for (int64_t i = 0; OB_SUCC(ret) && i < row_dimension_; i++) {
ObExprResType tmp_res_type;
type_ctx.set_cur_row_idx(i);
OZ(ObRelationalExprOperator::deduce_cmp_type(
*this, tmp_res_type, types[i], types[i + row_dimension_], type_ctx));
OZ(type.get_row_calc_cmp_types().push_back(tmp_res_type.get_calc_meta()));