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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 "fbcreateparser.hxx"
#include "columndef.hxx"
#include "utils.hxx"
#include <com/sun/star/sdbc/DataType.hpp>
#include <connectivity/dbexception.hxx>
#include <comphelper/processfactory.hxx>
#include <rtl/ustrbuf.hxx>
using namespace css::sdbc;
namespace
{
void lcl_appendWithSpace(OUStringBuffer& sBuff, const OUString& sStr)
{
sBuff.append(" ");
sBuff.append(sStr);
}
OUString lcl_DataTypetoFbTypeName(sal_Int32 eType)
{
switch (eType)
{
case DataType::CHAR:
case DataType::BINARY:
return "CHAR";
case DataType::VARCHAR:
case DataType::VARBINARY:
return "VARCHAR";
case DataType::TINYINT: // no such type in Firebird
case DataType::SMALLINT:
return "SMALLINT";
case DataType::INTEGER:
return "INTEGER";
case DataType::BIGINT:
return "BIGINT";
case DataType::NUMERIC:
return "NUMERIC";
case DataType::DECIMAL:
return "DECIMAL";
case DataType::BOOLEAN:
return "BOOLEAN";
case DataType::LONGVARCHAR:
case DataType::LONGVARBINARY:
case DataType::CLOB:
case DataType::BLOB:
case DataType::OTHER:
return "BLOB";
case DataType::DATE:
return "DATE";
case DataType::TIME:
return "TIME";
case DataType::TIMESTAMP:
return "TIMESTAMP";
case DataType::DOUBLE:
case DataType::REAL:
return "DOUBLE PRECISION";
case DataType::FLOAT:
return "FLOAT";
default:
assert(false);
return OUString();
}
}
OUString lcl_getTypeModifier(sal_Int32 eType)
{
// TODO bind -9546 magic number to a common definition. It also appears
// in the connectivity module.
switch (eType)
{
case DataType::CLOB:
case DataType::LONGVARCHAR:
return "SUB_TYPE 1";
case DataType::LONGVARBINARY:
return "SUB_TYPE -9546";
case DataType::BINARY:
case DataType::VARBINARY:
return "CHARACTER SET OCTETS";
default:
return OUString();
}
}
} // unnamed namespace
namespace dbahsql
{
void FbCreateStmtParser::appendPrimaryKeyPart(OUStringBuffer& rSql) const
{
const std::vector<OUString>& sPrimaryKeys = getPrimaryKeys();
if (sPrimaryKeys.empty())
return; // no primary key specified
rSql.append(",");
rSql.append("PRIMARY KEY(");
auto it = sPrimaryKeys.cbegin();
while (it != sPrimaryKeys.end())
{
rSql.append(*it);
++it;
if (it != sPrimaryKeys.end())
rSql.append(",");
}
rSql.append(")"); // end of primary key declaration
}
void FbCreateStmtParser::ensureProperTableLengths() const
{
const std::vector<ColumnDefinition>& rColumns = getColumnDef();
for (const auto& col : rColumns)
utils::ensureFirebirdTableLength(col.getName());
}
OUString FbCreateStmtParser::compose() const
{
ensureProperTableLengths();
OUStringBuffer sSql(128);
sSql.append("CREATE TABLE ");
sSql.append(getTableName());
lcl_appendWithSpace(sSql, "("); // column declaration
auto& rColumns = getColumnDef();
auto columnIter = rColumns.cbegin();
while (columnIter != rColumns.end())
{
lcl_appendWithSpace(sSql, columnIter->getName());
lcl_appendWithSpace(sSql, lcl_DataTypetoFbTypeName(columnIter->getDataType()));
std::vector<sal_Int32> params{ columnIter->getParams() };
if (columnIter->getDataType() == DataType::NUMERIC
|| columnIter->getDataType() == DataType::DECIMAL)
{
// max precision is 18 here
if (params.at(0) > 18)
params[0] = 18;
}
// Firebird SQL dialect does not like parameters for TIMESTAMP
if (!params.empty() && columnIter->getDataType() != DataType::TIMESTAMP)
{
sSql.append("(");
auto it = params.cbegin();
while (it != params.end())
{
sSql.append(OUString::number(*it));
++it;
if (it != params.end())
sSql.append(",");
}
sSql.append(")"); // end of param declaration
}
// special modifiers here, based on type (e.g. charset, subtype)
OUString sModifier = lcl_getTypeModifier(columnIter->getDataType());
if (!sModifier.isEmpty())
lcl_appendWithSpace(sSql, sModifier);
if (columnIter->isAutoIncremental())
{
lcl_appendWithSpace(sSql, "GENERATED BY DEFAULT AS IDENTITY (START WITH ");
// start with 0:
// HSQLDB: first value will be 0.
// Firebird: first value will be 1.
sSql.append(columnIter->getStartValue() - 1);
sSql.append(")");
}
else if (!columnIter->isNullable())
lcl_appendWithSpace(sSql, "NOT NULL");
if (columnIter->isCaseInsensitive())
lcl_appendWithSpace(sSql, "COLLATE UNICODE_CI");
const OUString& sDefaultVal = columnIter->getDefault();
if (!sDefaultVal.isEmpty())
{
lcl_appendWithSpace(sSql, "DEFAULT");
if (sDefaultVal.equalsIgnoreAsciiCase("NOW"))
lcl_appendWithSpace(sSql, "\'NOW\'"); // Fb likes it single quoted
else
lcl_appendWithSpace(sSql, sDefaultVal);
}
++columnIter;
if (columnIter != rColumns.end())
sSql.append(",");
}
appendPrimaryKeyPart(sSql);
sSql.append(")"); // end of column declaration
return sSql.makeStringAndClear();
}
} // dbahsql
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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