diff options
Diffstat (limited to 'connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx')
| -rw-r--r-- | connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx b/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx new file mode 100644 index 000000000..84cd6be2a --- /dev/null +++ b/connectivity/source/drivers/mysqlc/mysqlc_resultsetmetadata.cxx @@ -0,0 +1,212 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include "mysqlc_resultsetmetadata.hxx" +#include "mysqlc_general.hxx" + +#include <com/sun/star/sdbc/XRow.hpp> +#include <com/sun/star/sdbcx/XColumnsSupplier.hpp> +#include <o3tl/safeint.hxx> + +using namespace connectivity::mysqlc; +using namespace com::sun::star::uno; +using namespace com::sun::star::lang; +using namespace com::sun::star::sdbc; + +OResultSetMetaData::OResultSetMetaData(OConnection& rConn, MYSQL_RES* pResult) + : m_rConnection(rConn) +{ + MYSQL_FIELD* fields = mysql_fetch_field(pResult); + unsigned nFieldCount = mysql_num_fields(pResult); + for (unsigned i = 0; i < nFieldCount; ++i) + { + MySqlFieldInfo fieldInfo; + { + fieldInfo.columnName + = OUString{ fields[i].name, static_cast<sal_Int32>(fields[i].name_length), + m_rConnection.getConnectionEncoding() }; + fieldInfo.length = static_cast<sal_Int32>(fields[i].length); + fieldInfo.type + = mysqlc_sdbc_driver::mysqlToOOOType(fields[i].type, fields[i].charsetnr); + fieldInfo.mysql_type = fields[i].type; + fieldInfo.charsetNumber = fields[i].charsetnr; + fieldInfo.flags = fields[i].flags; + fieldInfo.schemaName + = OUString{ fields[i].db, static_cast<sal_Int32>(fields[i].db_length), + m_rConnection.getConnectionEncoding() }; + fieldInfo.tableName + = OUString{ fields[i].table, static_cast<sal_Int32>(fields[i].table_length), + m_rConnection.getConnectionEncoding() }; + fieldInfo.catalogName + = OUString{ fields[i].catalog, static_cast<sal_Int32>(fields[i].catalog_length), + m_rConnection.getConnectionEncoding() }; + fieldInfo.decimals = static_cast<sal_Int32>(fields[i].decimals); + fieldInfo.max_length = static_cast<sal_Int32>(fields[i].max_length); + } + m_fields.push_back(std::move(fieldInfo)); + } +} + +sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).length; +} + +sal_Int32 SAL_CALL OResultSetMetaData::getColumnType(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).type; +} + +sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount() { return m_fields.size(); } + +sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive(sal_Int32 column) +{ + // MYSQL_FIELD::charsetnr is the collation identifier + // _ci postfix means it's insensitive + OUString sql + = "SHOW COLLATION WHERE Id =" + OUString::number(m_fields.at(column - 1).charsetNumber); + + Reference<XStatement> stmt = m_rConnection.createStatement(); + Reference<XResultSet> rs = stmt->executeQuery(sql); + Reference<XRow> xRow(rs, UNO_QUERY_THROW); + + if (!rs->next()) // fetch first and only row + return false; + + OUString sColName = xRow->getString(1); // first column is Collation name + + return !sColName.isEmpty() && !sColName.endsWith("_ci"); +} + +OUString SAL_CALL OResultSetMetaData::getSchemaName(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).schemaName; +} + +OUString SAL_CALL OResultSetMetaData::getColumnName(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).columnName; +} + +OUString SAL_CALL OResultSetMetaData::getTableName(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).tableName; +} + +OUString SAL_CALL OResultSetMetaData::getCatalogName(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).catalogName; +} + +OUString SAL_CALL OResultSetMetaData::getColumnTypeName(sal_Int32 column) +{ + checkColumnIndex(column); + return mysqlc_sdbc_driver::mysqlTypeToStr(m_fields.at(column - 1).mysql_type, + m_fields.at(column - 1).flags); +} + +OUString SAL_CALL OResultSetMetaData::getColumnLabel(sal_Int32 column) +{ + checkColumnIndex(column); + return getColumnName(column); +} + +OUString SAL_CALL OResultSetMetaData::getColumnServiceName(sal_Int32 /*column*/) +{ + return OUString{}; +} + +sal_Bool SAL_CALL OResultSetMetaData::isCurrency(sal_Int32 /*column*/) +{ + return false; // TODO +} + +sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement(sal_Int32 column) +{ + checkColumnIndex(column); + return (m_fields.at(column - 1).flags & AUTO_INCREMENT_FLAG) != 0; +} + +sal_Bool SAL_CALL OResultSetMetaData::isSigned(sal_Int32 column) +{ + checkColumnIndex(column); + return !(m_fields.at(column - 1).flags & UNSIGNED_FLAG); +} + +sal_Int32 SAL_CALL OResultSetMetaData::getPrecision(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).max_length - m_fields.at(column - 1).decimals; +} + +sal_Int32 SAL_CALL OResultSetMetaData::getScale(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).decimals; +} + +sal_Int32 SAL_CALL OResultSetMetaData::isNullable(sal_Int32 column) +{ + checkColumnIndex(column); + return (m_fields.at(column - 1).flags & NOT_NULL_FLAG) ? 0 : 1; +} + +sal_Bool SAL_CALL OResultSetMetaData::isSearchable(sal_Int32 column) +{ + checkColumnIndex(column); + return true; +} + +sal_Bool SAL_CALL OResultSetMetaData::isReadOnly(sal_Int32 column) +{ + checkColumnIndex(column); + return m_fields.at(column - 1).schemaName.isEmpty(); +} + +sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable(sal_Int32 column) +{ + checkColumnIndex(column); + return !isReadOnly(column); +} + +sal_Bool SAL_CALL OResultSetMetaData::isWritable(sal_Int32 column) +{ + checkColumnIndex(column); + return !isReadOnly(column); +} + +void OResultSetMetaData::checkColumnIndex(sal_Int32 columnIndex) +{ + auto nColCount = m_fields.size(); + if (columnIndex < 1 || o3tl::make_unsigned(columnIndex) > nColCount) + { + OUString str = "Column index out of range (expected 1 to " + + OUString::number(sal_Int32(nColCount)) + ", got " + + OUString::number(columnIndex) + "."; + throw SQLException(str, *this, OUString(), 1, Any()); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |