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oceanbase/src/sql/engine/expr/ob_expr_pl_sqlcode_sqlerrm.cpp
2023-04-27 11:11:24 +00:00

198 lines
7.9 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "ob_expr_pl_sqlcode_sqlerrm.h"
#include "lib/utility/ob_print_utils.h"
#include "sql/engine/ob_physical_plan_ctx.h"
#include "sql/engine/ob_exec_context.h"
#include "pl/ob_pl.h"
namespace oceanbase
{
using namespace common;
using namespace pl;
namespace sql
{
OB_SERIALIZE_MEMBER((ObExprPLSQLCodeSQLErrm, ObFuncExprOperator));
ObExprPLSQLCodeSQLErrm::ObExprPLSQLCodeSQLErrm(ObIAllocator &alloc)
: ObFuncExprOperator(alloc, T_FUN_PL_SQLCODE_SQLERRM, N_PL_GET_SQLCODE_SQLERRM, ZERO_OR_ONE, VALID_FOR_GENERATED_COL, NOT_ROW_DIMENSION,
false, INTERNAL_IN_ORACLE_MODE)
, is_sqlcode_(true)
{}
ObExprPLSQLCodeSQLErrm::~ObExprPLSQLCodeSQLErrm() {}
int ObExprPLSQLCodeSQLErrm::assign(const ObExprOperator &other)
{
int ret = OB_SUCCESS;
const ObExprPLSQLCodeSQLErrm *tmp = dynamic_cast<const ObExprPLSQLCodeSQLErrm *>(&other);
if (OB_UNLIKELY(OB_ISNULL(tmp))) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument. wrong type for other", K(other), K(ret));
} else if (OB_LIKELY(this != tmp)) {
if (OB_FAIL(ObExprOperator::assign(other))) {
LOG_WARN("copy in Base class ObExprOperator failed", K(other), K(ret));
} else {
this->is_sqlcode_ = tmp->is_sqlcode_;
}
}
return ret;
}
int ObExprPLSQLCodeSQLErrm::calc_result_typeN(ObExprResType &type,
ObExprResType *types,
int64_t param_num,
common::ObExprTypeCtx &type_ctx) const
{
int ret = OB_SUCCESS;
if (param_num > 1) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid number of arguments", K(param_num), K(ret));
} else {
if (is_sqlcode_) {
type.set_int32();
type.set_scale(DEFAULT_SCALE_FOR_INTEGER);
} else {
const ObLengthSemantics default_length_semantics
= (OB_NOT_NULL(type_ctx.get_session())
? type_ctx.get_session()->get_actual_nls_length_semantics()
: LS_BYTE);
type.set_varchar();
type.set_length_semantics(default_length_semantics);
type.set_length(OB_MAX_ORACLE_VARCHAR_LENGTH);
type.set_collation_level(common::CS_LEVEL_IMPLICIT);
type.set_collation_type(type_ctx.get_coll_type());
}
if (1 == param_num) {
types[0].set_calc_type(ObIntType);
}
}
return ret;
}
int ObExprPLSQLCodeSQLErrm::cg_expr(
ObExprCGCtx &op_cg_ctx, const ObRawExpr &raw_expr, ObExpr &rt_expr) const
{
int ret = OB_SUCCESS;
UNUSED(op_cg_ctx);
const ObPLSQLCodeSQLErrmRawExpr &pl_expr = static_cast<const ObPLSQLCodeSQLErrmRawExpr &>(raw_expr);
rt_expr.extra_ = static_cast<uint64_t>(pl_expr.get_is_sqlcode());
rt_expr.eval_func_ = &eval_pl_sql_code_errm;
return ret;
}
int ObExprPLSQLCodeSQLErrm::eval_pl_sql_code_errm(
const ObExpr &expr, ObEvalCtx &ctx, ObDatum &expr_datum)
{
int ret = OB_SUCCESS;
pl::ObPLSqlCodeInfo *sqlcode_info = NULL;
ObSQLSessionInfo *session = ctx.exec_ctx_.get_my_session();
bool is_sqlcode = (expr.extra_ == 1);
CK(OB_NOT_NULL(session));
CK(expr.arg_cnt_ <= 1);
CK (OB_NOT_NULL(sqlcode_info = session->get_pl_sqlcode_info()));
if (OB_FAIL(ret)) {
} else if (is_sqlcode) {
CK (OB_LIKELY(0 == expr.arg_cnt_));
expr_datum.set_int(sqlcode_info->get_sqlcode());
} else {
char *sqlerrm_result = NULL;
int64_t pos = 0, max_buf_size = 200;
if (0 == expr.arg_cnt_) {
int64_t sqlcode = sqlcode_info->get_sqlcode();
if (0 == sqlcode) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, max_buf_size, pos, "ORA-0000: normal, successful completion"));
} else if (sqlcode > 0) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, max_buf_size, pos, "User-Defined Exception"));
} else if (sqlcode >= OB_MIN_RAISE_APPLICATION_ERROR
&& sqlcode <= OB_MAX_RAISE_APPLICATION_ERROR) {
max_buf_size = 30 + sqlcode_info->get_sqlmsg().length(); // ORA-CODE: ERRMSG
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, max_buf_size, pos,
"ORA%ld: %.*s", sqlcode,
sqlcode_info->get_sqlmsg().length(),
sqlcode_info->get_sqlmsg().ptr()));
} else {
const ObWarningBuffer *wb = common::ob_get_tsi_warning_buffer();
if (OB_LIKELY(NULL != wb) && wb->get_err_code() == sqlcode) {
sqlerrm_result = const_cast<char *>(wb->get_err_msg());
} else {
const char* err_msg = ob_errpkt_strerror(sqlcode, true);
if (NULL == err_msg) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, max_buf_size, pos,
"ORA%ld: Message error_code not found; product=RDBMS; facility=ORA", sqlcode));
} else {
sqlerrm_result = const_cast<char*>(err_msg);
}
}
}
OX (expr_datum.set_string(sqlerrm_result, strlen(sqlerrm_result)));
} else if (1 == expr.arg_cnt_) {
ObDatum *datum = NULL;
int64_t sqlcode = 0;
if (OB_FAIL(expr.args_[0]->eval(ctx, datum))) {
LOG_WARN("eval arg failed", K(ret), K(expr));
} else if (FALSE_IT(sqlcode = datum->get_int())) {
// do nothing
} else if (sqlcode > 0) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, 200, pos, "-%ld: non-ORACLE exception", sqlcode));
} else if (sqlcode == 0) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, 200, pos, "ORA-0000: normal, successful completion"));
} else if (sqlcode >= OB_MIN_RAISE_APPLICATION_ERROR
&& sqlcode <= OB_MAX_RAISE_APPLICATION_ERROR) {
if (sqlcode_info->get_sqlcode() == sqlcode) {
max_buf_size = 30 + sqlcode_info->get_sqlmsg().length(); // ORA-CODE: ERRMSG
CK (OB_NOT_NULL(
sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, max_buf_size, pos,
"ORA%ld: %.*s", sqlcode,
sqlcode_info->get_sqlmsg().length(),
sqlcode_info->get_sqlmsg().ptr()));
} else {
CK (OB_NOT_NULL(sqlerrm_result
= expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, 200, pos, "ORA%ld:", sqlcode));
}
} else if (sqlcode < 0) {
const ObWarningBuffer *wb = common::ob_get_tsi_warning_buffer();
if (OB_LIKELY(NULL != wb) && wb->get_err_code() == sqlcode) {
sqlerrm_result = const_cast<char *>(wb->get_err_msg());
} else {
const char* err_msg = ob_errpkt_str_user_error(sqlcode, true);
if (NULL == err_msg) {
CK (OB_NOT_NULL(sqlerrm_result = expr.get_str_res_mem(ctx, max_buf_size)));
OZ (databuff_printf(sqlerrm_result, 200, pos, "ORA%ld: Message error_code not found; product=RDBMS; facility=ORA", sqlcode));
} else {
sqlerrm_result = const_cast<char*>(err_msg);
}
}
}
OX (expr_datum.set_string(sqlerrm_result, strlen(sqlerrm_result)));
}
}
return ret;
}
}
}