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/* -*- 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: */
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