111 lines
3.3 KiB
C++
111 lines
3.3 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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#define USING_LOG_PREFIX SERVER
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#include "observer/virtual_table/ob_tenant_virtual_privilege.h"
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#include "share/inner_table/ob_inner_table_schema_constants.h" // source of data
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#include "lib/charset/ob_charset.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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int ObTenantVirtualPrivilege::inner_get_next_row(common::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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LOG_WARN("fail to fill scanner", K(ret));
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} else {
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start_to_read_ = true;
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}
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}
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if (OB_SUCC(ret) && start_to_read_) {
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if (OB_FAIL(scanner_it_.get_next_row(cur_row_))) {
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if (OB_ITER_END != ret) {
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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 ObTenantVirtualPrivilege::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_ISNULL(allocator_)) {
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ret = OB_NOT_INIT;
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LOG_WARN("allocator is NULL", K(ret));
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} else if (OB_ISNULL(cells = cur_row_.cells_)) {
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ret = OB_ERR_UNEXPECTED;
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LOG_WARN("cur row cell is NULL", K(ret));
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}
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int64_t row_count = sizeof(share::all_privileges) / sizeof(share::PrivilegeRow);
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for (int64_t i = 0; OB_SUCC(ret) && i < row_count-1; i++) {
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//last row is NULL;
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int cell_idx = 0;
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share::PrivilegeRow privilege_row = share::all_privileges[i];
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for (int64_t j = 0; OB_SUCC(ret) && j < output_column_ids_.count(); ++j) {
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int64_t col_id = output_column_ids_.at(j);
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switch(col_id) {
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case PRIVILEGE_COL: {
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cells[cell_idx].set_varchar(
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ObString::make_string(privilege_row.privilege_));
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cells[cell_idx].set_collation_type(
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ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case CONTEXT_COL: {
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cells[cell_idx].set_varchar(
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ObString::make_string(privilege_row.context_));
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cells[cell_idx].set_collation_type(
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ObCharset::get_default_collation(ObCharset::get_default_charset()));
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break;
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}
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case COMMENT_COL: {
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cells[cell_idx].set_varchar(
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ObString::make_string(privilege_row.comment_));
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cells[cell_idx].set_collation_type(
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ObCharset::get_default_collation(ObCharset::get_default_charset()));
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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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LOG_ERROR("invalid column id", K(ret), K(cell_idx), K(j), 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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}//end for
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if (OB_SUCC(ret) && OB_FAIL(scanner_.add_row(cur_row_))) {
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LOG_WARN("fail to add row", K(ret), K(cur_row_));
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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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return ret;
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}
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}
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} |