214 lines
8.2 KiB
C++
214 lines
8.2 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#include "lib/oblog/ob_warning_buffer.h"
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#include "observer/virtual_table/ob_tenant_virtual_warning.h"
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//#include "sql/engine/expr/ob_expr_promotion_util.h"
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#include "sql/session/ob_sql_session_info.h"
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using namespace oceanbase::common;
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namespace oceanbase
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{
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namespace observer
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{
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const char *const ObTenantVirtualWarning::SHOW_WARNING_STR = "Warning";
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const char *const ObTenantVirtualWarning::SHOW_NOTE_STR = "Note";
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const char *const ObTenantVirtualWarning::SHOW_ERROR_STR = "Error";
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ObTenantVirtualWarning::ObTenantVirtualWarning()
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: ObVirtualTableScannerIterator()
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{
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}
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ObTenantVirtualWarning::~ObTenantVirtualWarning()
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{
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}
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void ObTenantVirtualWarning::reset()
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{
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ObVirtualTableScannerIterator::reset();
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}
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int ObTenantVirtualWarning::inner_get_next_row(ObNewRow *&row)
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{
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int ret = OB_SUCCESS;
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if (!start_to_read_) {
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if (OB_FAIL(fill_scanner())) {
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SERVER_LOG(WARN, "fail to fill scanner", K(ret));
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} else {/*do nothing*/}
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}
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if (OB_SUCCESS == ret && start_to_read_) {
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if (OB_FAIL(scanner_it_.get_next_row(cur_row_))) {
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if (OB_UNLIKELY(OB_ITER_END != ret)) {
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SERVER_LOG(WARN, "fail to get next row", K(ret));
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}
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} else {
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row = &cur_row_;
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}
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}
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return ret;
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}
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int ObTenantVirtualWarning::fill_scanner()
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{
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int ret = OB_SUCCESS;
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ObObj *cells = NULL;
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if (OB_UNLIKELY(NULL == allocator_ || NULL == session_ || NULL == cur_row_.cells_)) {
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ret = OB_NOT_INIT;
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SERVER_LOG(WARN,
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"parameter or data member is not init",
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K(ret),
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K(allocator_),
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K(session_),
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K(cur_row_.cells_));
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} else if (OB_UNLIKELY(cur_row_.count_ < output_column_ids_.count())) {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN,
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"cells count is less than output column count",
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K(ret),
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K(cur_row_.count_),
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K(output_column_ids_.count()));
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} else {
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// be compatible with mysql, show error firs, then warnings;
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cells = cur_row_.cells_;
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const common::ObWarningBuffer &warn_buff = (NULL == session_->get_pl_context()) ?
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session_->get_show_warnings_buffer() :
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session_->get_warnings_buffer();
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uint32_t warn_buff_count = warn_buff.get_readable_warning_count();
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// fill error row(jus one row)
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if (OB_SUCC(ret)) {
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if (OB_UNLIKELY(NULL == warn_buff.get_err_msg())) {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "err msg from warn buff is NULL", K(ret));
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} else if (0 != strlen(warn_buff.get_err_msg()) || OB_MAX_ERROR_CODE != warn_buff.get_err_code()) {
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uint64_t cell_idx = 0;
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for (int64_t j = 0; OB_SUCC(ret) && j < output_column_ids_.count() ; ++j) {
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uint64_t col_id = output_column_ids_.at(j);
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switch(col_id) {
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case OB_APP_MIN_COLUMN_ID: {// level
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cells[cell_idx].set_varchar(ObString::make_string(SHOW_ERROR_STR));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 1: {// code
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cells[cell_idx].set_int(ob_errpkt_errno(warn_buff.get_err_code(), lib::is_oracle_mode()));
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 2: {// message
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cells[cell_idx].set_varchar(ObString::make_string(warn_buff.get_err_msg()));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 3: {// origin code
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cells[cell_idx].set_int(warn_buff.get_err_code());
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 4: {// sqlstate
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cells[cell_idx].set_varchar(ObString::make_string(warn_buff.get_sql_state()));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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//no need, delete later @hualong
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//case OB_APP_MIN_COLUMN_ID + 3: {// type
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// cells[cell_idx].set_varchar(ObString::make_string("error"));
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// break;
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// }
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default: {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "invalid column id", K(ret), K(cell_idx), K(j),
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K(output_column_ids_), K(col_id));
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break;
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}
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}
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if (OB_SUCC(ret)) {
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cell_idx++;
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}
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}
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if (OB_UNLIKELY(OB_SUCCESS == ret && OB_SUCCESS != (ret = scanner_.add_row(cur_row_)))) {
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SERVER_LOG(WARN, "fail to add row", K(ret), K(cur_row_));
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}
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}
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}
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// fill warning rows
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for(uint32_t i = 0; OB_SUCC(ret) && i < warn_buff_count; ++i) {
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uint64_t cell_idx = 0;
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const ObWarningBuffer::WarningItem *item = warn_buff.get_warning_item(i);
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if (OB_LIKELY(NULL != item)) {
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for (int64_t j = 0; OB_SUCC(ret) && j < output_column_ids_.count(); ++j) {
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uint64_t col_id = output_column_ids_.at(j);
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switch(col_id) {
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case OB_APP_MIN_COLUMN_ID: {// level
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if (ObLogger::USER_WARN == item->log_level_) {
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cells[cell_idx].set_varchar(ObString::make_string(SHOW_WARNING_STR));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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} else if (ObLogger::USER_NOTE == item->log_level_) {
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cells[cell_idx].set_varchar(ObString::make_string(SHOW_NOTE_STR));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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} else {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "unknown warning type");
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}
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 1: {// code
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cells[cell_idx].set_int(ob_errpkt_errno(item->code_, lib::is_oracle_mode()));
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 2: {// message
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cells[cell_idx].set_varchar(ObString::make_string(item->msg_));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 3: {// origin code
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cells[cell_idx].set_int(item->code_);
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break;
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}
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case OB_APP_MIN_COLUMN_ID + 4: {// sqlstate
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cells[cell_idx].set_varchar(ObString::make_string(item->sql_state_));
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cells[cell_idx].set_collation_type(ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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//no need, delete later @hualong
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// case OB_APP_MIN_COLUMN_ID + 3: {// type
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// cells[cell_idx].set_varchar(ObString::make_string("warning"));
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// break;
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// }
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default: {
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ret = OB_ERR_UNEXPECTED;
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SERVER_LOG(WARN, "invalid column id", K(ret), K(cell_idx), K(j),
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K(output_column_ids_), K(col_id));
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break;
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}
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}
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if (OB_SUCC(ret)) {
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cell_idx++;
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}
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}
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if (OB_UNLIKELY(OB_SUCCESS == ret && OB_SUCCESS != (ret = scanner_.add_row(cur_row_)))) {
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SERVER_LOG(WARN, "fail to add row", K(ret), K(cur_row_));
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}
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}
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}
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if (OB_SUCC(ret)) {
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scanner_it_ = scanner_.begin();
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start_to_read_ = true;
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}
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}
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return ret;
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}
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}/* ns observer*/
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}/* ns oceanbase */
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