| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef _IGNITE_ODBC_QUERY_INTERNAL_QUERY |
| #define _IGNITE_ODBC_QUERY_INTERNAL_QUERY |
| |
| #include <stdint.h> |
| |
| #include <map> |
| |
| #include "ignite/odbc/diagnostic/diagnosable.h" |
| #include "ignite/odbc/meta/column_meta.h" |
| #include "ignite/odbc/common_types.h" |
| #include "ignite/odbc/query/query.h" |
| #include "ignite/odbc/sql/sql_command.h" |
| |
| namespace ignite |
| { |
| namespace odbc |
| { |
| namespace query |
| { |
| /** |
| * Query. |
| */ |
| class InternalQuery : public Query |
| { |
| public: |
| /** |
| * Constructor. |
| * |
| * @param diag Diagnosable. |
| * @param sql SQL query. |
| * @param cmd Parsed command. |
| */ |
| InternalQuery(diagnostic::DiagnosableAdapter& diag, const std::string& sql, std::auto_ptr<SqlCommand> cmd) : |
| Query(diag, QueryType::INTERNAL), |
| sql(sql), |
| cmd(cmd) |
| { |
| // No-op. |
| } |
| |
| /** |
| * Destructor. |
| */ |
| virtual ~InternalQuery() |
| { |
| // No-op. |
| } |
| |
| /** |
| * Execute query. |
| * |
| * @return True on success. |
| */ |
| virtual SqlResult::Type Execute() |
| { |
| diag.AddStatusRecord("Internal error."); |
| |
| return SqlResult::AI_ERROR; |
| } |
| |
| /** |
| * Fetch next result row to application buffers. |
| * |
| * @param columnBindings Application buffers to put data to. |
| * @return Operation result. |
| */ |
| virtual SqlResult::Type FetchNextRow(app::ColumnBindingMap& columnBindings) |
| { |
| IGNITE_UNUSED(columnBindings); |
| |
| return SqlResult::AI_NO_DATA; |
| } |
| |
| /** |
| * Get data of the specified column in the result set. |
| * |
| * @param columnIdx Column index. |
| * @param buffer Buffer to put column data to. |
| * @return Operation result. |
| */ |
| virtual SqlResult::Type GetColumn(uint16_t columnIdx, app::ApplicationDataBuffer& buffer) |
| { |
| IGNITE_UNUSED(columnIdx); |
| IGNITE_UNUSED(buffer); |
| |
| return SqlResult::AI_NO_DATA; |
| } |
| |
| /** |
| * Close query. |
| * |
| * @return Operation result. |
| */ |
| virtual SqlResult::Type Close() |
| { |
| return SqlResult::AI_SUCCESS; |
| } |
| |
| /** |
| * Get column metadata. |
| * |
| * @return Column metadata. |
| */ |
| virtual const meta::ColumnMetaVector* GetMeta() |
| { |
| return 0; |
| } |
| |
| /** |
| * Check if data is available. |
| * |
| * @return True if data is available. |
| */ |
| virtual bool DataAvailable() const |
| { |
| return false; |
| } |
| |
| /** |
| * Get number of rows affected by the statement. |
| * |
| * @return Number of rows affected by the statement. |
| */ |
| virtual int64_t AffectedRows() const |
| { |
| return 0; |
| } |
| |
| /** |
| * Move to the next result set. |
| * |
| * @return Operation result. |
| */ |
| virtual SqlResult::Type NextResultSet() |
| { |
| return SqlResult::AI_NO_DATA; |
| } |
| |
| /** |
| * Get SQL query. |
| * |
| * @return SQL query. |
| */ |
| SqlCommand& GetCommand() const |
| { |
| return *cmd; |
| } |
| |
| /** |
| * Get SQL query. |
| * |
| * @return SQL Query. |
| */ |
| const std::string& GetQuery() const |
| { |
| return sql; |
| } |
| |
| protected: |
| /** SQL string*/ |
| std::string sql; |
| |
| /** SQL command. */ |
| std::auto_ptr<SqlCommand> cmd; |
| }; |
| } |
| } |
| } |
| |
| #endif //_IGNITE_ODBC_QUERY_INTERNAL_QUERY |