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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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/.
*/
#include "Columns.hxx"
#include "Indexes.hxx"
#include "Keys.hxx"
#include "Table.hxx"
#include <TConnection.hxx>
#include <sal/log.hxx>
#include <comphelper/sequence.hxx>
#include <connectivity/dbtools.hxx>
#include <com/sun/star/sdbc/ColumnValue.hpp>
#include <com/sun/star/sdbcx/Privilege.hpp>
#include <com/sun/star/beans/PropertyAttribute.hpp>
using namespace ::connectivity;
using namespace ::connectivity::firebird;
using namespace ::connectivity::sdbcx;
using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::sdbc;
using namespace ::com::sun::star::sdbcx;
using namespace ::com::sun::star::uno;
Table::Table(Tables* pTables,
Mutex& rMutex,
const uno::Reference< XConnection >& rConnection):
OTableHelper(pTables,
rConnection,
true),
m_rMutex(rMutex),
m_nPrivileges(0)
{
construct();
}
Table::Table(Tables* pTables,
Mutex& rMutex,
const uno::Reference< XConnection >& rConnection,
const OUString& rName,
const OUString& rType,
const OUString& rDescription):
OTableHelper(pTables,
rConnection,
true,
rName,
rType,
rDescription,
"",
""),
m_rMutex(rMutex),
m_nPrivileges(0)
{
construct();
}
void Table::construct()
{
OTableHelper::construct();
if (isNew())
return;
// TODO: get privileges when in non-embedded mode.
m_nPrivileges = Privilege::DROP |
Privilege::REFERENCE |
Privilege::ALTER |
Privilege::CREATE |
Privilege::READ |
Privilege::DELETE |
Privilege::UPDATE |
Privilege::INSERT |
Privilege::SELECT;
registerProperty(OMetaConnection::getPropMap().getNameByIndex(PROPERTY_ID_PRIVILEGES),
PROPERTY_ID_PRIVILEGES,
PropertyAttribute::READONLY,
&m_nPrivileges,
cppu::UnoType<decltype(m_nPrivileges)>::get());
}
//----- OTableHelper ---------------------------------------------------------
OCollection* Table::createColumns(const ::std::vector< OUString>& rNames)
{
return new Columns(*this,
m_rMutex,
rNames);
}
OCollection* Table::createKeys(const ::std::vector< OUString>& rNames)
{
return new Keys(this,
m_rMutex,
rNames);
}
OCollection* Table::createIndexes(const ::std::vector< OUString>& rNames)
{
return new Indexes(this,
m_rMutex,
rNames);
}
//----- XAlterTable -----------------------------------------------------------
void SAL_CALL Table::alterColumnByName(const OUString& rColName,
const uno::Reference< XPropertySet >& rDescriptor)
{
MutexGuard aGuard(m_rMutex);
checkDisposed(WeakComponentImplHelperBase::rBHelper.bDisposed);
uno::Reference< XPropertySet > xColumn(m_xColumns->getByName(rColName), UNO_QUERY);
// sdbcx::Descriptor
const bool bNameChanged = xColumn->getPropertyValue("Name") != rDescriptor->getPropertyValue("Name");
// sdbcx::ColumnDescriptor
const bool bTypeChanged = xColumn->getPropertyValue("Type") != rDescriptor->getPropertyValue("Type");
const bool bTypeNameChanged = xColumn->getPropertyValue("TypeName") != rDescriptor->getPropertyValue("TypeName");
const bool bPrecisionChanged = xColumn->getPropertyValue("Precision") != rDescriptor->getPropertyValue("Precision");
const bool bScaleChanged = xColumn->getPropertyValue("Scale") != rDescriptor->getPropertyValue("Scale");
const bool bIsNullableChanged = xColumn->getPropertyValue("IsNullable") != rDescriptor->getPropertyValue("IsNullable");
const bool bIsAutoIncrementChanged = xColumn->getPropertyValue("IsAutoIncrement") != rDescriptor->getPropertyValue("IsAutoIncrement");
// TODO: remainder -- these are all "optional" so have to detect presence and change.
bool bDefaultChanged = xColumn->getPropertyValue("DefaultValue")
!= rDescriptor->getPropertyValue("DefaultValue");
if (bTypeChanged || bTypeNameChanged || bPrecisionChanged || bScaleChanged)
{
// If bPrecisionChanged this will only succeed if we have increased the
// precision, otherwise an exception is thrown -- however the base
// gui then offers to delete and recreate the column.
OUString sSql(getAlterTableColumn(rColName) + "TYPE " +
::dbtools::createStandardTypePart(rDescriptor, getConnection()));
getConnection()->createStatement()->execute(sSql);
// TODO: could cause errors e.g. if incompatible types, deal with them here as appropriate.
// possibly we have to wrap things in Util::evaluateStatusVector.
}
if (bIsNullableChanged)
{
sal_Int32 nNullable = 0;
rDescriptor->getPropertyValue("IsNullable") >>= nNullable;
if (nNullable != ColumnValue::NULLABLE_UNKNOWN)
{
OUString sSql;
// Dirty hack: can't change null directly in sql, we have to fiddle
// the system tables manually.
if (nNullable == ColumnValue::NULLABLE)
{
sSql = "UPDATE RDB$RELATION_FIELDS SET RDB$NULL_FLAG = NULL "
"WHERE RDB$FIELD_NAME = '" + rColName + "' "
"AND RDB$RELATION_NAME = '" + getName() + "'";
}
else if (nNullable == ColumnValue::NO_NULLS)
{
// And if we are making NOT NULL then we have to make sure we have
// no nulls left in the column.
OUString sFillNulls("UPDATE \"" + getName() + "\" SET \""
+ rColName + "\" = 0 "
"WHERE \"" + rColName + "\" IS NULL");
getConnection()->createStatement()->execute(sFillNulls);
sSql = "UPDATE RDB$RELATION_FIELDS SET RDB$NULL_FLAG = 1 "
"WHERE RDB$FIELD_NAME = '" + rColName + "' "
"AND RDB$RELATION_NAME = '" + getName() + "'";
}
getConnection()->createStatement()->execute(sSql);
}
else
{
SAL_WARN("connectivity.firebird", "Attempting to set Nullable to NULLABLE_UNKNOWN");
}
}
if (bIsAutoIncrementChanged)
{
::dbtools::throwSQLException(
"Changing autoincrement property of existing column is not supported",
::dbtools::StandardSQLState::FUNCTION_NOT_SUPPORTED,
*this);
}
if (bDefaultChanged)
{
OUString sNewDefault;
rDescriptor->getPropertyValue("DefaultValue") >>= sNewDefault;
OUString sSql;
if (sNewDefault.isEmpty())
sSql = getAlterTableColumn(rColName) + "DROP DEFAULT";
else
sSql = getAlterTableColumn(rColName) + "SET DEFAULT " + sNewDefault;
getConnection()->createStatement()->execute(sSql);
}
// TODO: quote identifiers as needed.
if (bNameChanged)
{
OUString sNewColName;
rDescriptor->getPropertyValue("Name") >>= sNewColName;
OUString sSql(getAlterTableColumn(rColName)
+ " TO \"" + sNewColName + "\"");
getConnection()->createStatement()->execute(sSql);
}
m_xColumns->refresh();
}
// ----- XRename --------------------------------------------------------------
void SAL_CALL Table::rename(const OUString&)
{
throw RuntimeException("Table renaming not supported by Firebird.");
}
// ----- XInterface -----------------------------------------------------------
Any SAL_CALL Table::queryInterface(const Type& rType)
{
if (rType.getTypeName() == "com.sun.star.sdbcx.XRename")
return Any();
return OTableHelper::queryInterface(rType);
}
OUString Table::getAlterTableColumn(std::u16string_view rColumn)
{
return ("ALTER TABLE \"" + getName() + "\" ALTER COLUMN \"" + rColumn + "\" ");
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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