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-rw-r--r--connectivity/source/drivers/firebird/ResultSetMetaData.cxx296
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diff --git a/connectivity/source/drivers/firebird/ResultSetMetaData.cxx b/connectivity/source/drivers/firebird/ResultSetMetaData.cxx
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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 "ResultSetMetaData.hxx"
+#include "Util.hxx"
+
+#include <com/sun/star/sdbc/ColumnValue.hpp>
+#include <com/sun/star/sdbc/SQLException.hpp>
+#include <com/sun/star/sdbcx/XColumnsSupplier.hpp>
+#include <com/sun/star/sdbc/XRow.hpp>
+#include <com/sun/star/sdbc/DataType.hpp>
+
+#include <sal/log.hxx>
+
+using namespace connectivity::firebird;
+
+using namespace com::sun::star::lang;
+using namespace com::sun::star::sdbc;
+using namespace com::sun::star::sdbcx;
+using namespace com::sun::star::uno;
+
+OResultSetMetaData::~OResultSetMetaData()
+{
+}
+
+OUString OResultSetMetaData::getCharacterSet( sal_Int32 nIndex )
+{
+ OUString sTable = getTableName( nIndex );
+ if( !sTable.isEmpty() )
+ {
+ OUString sColumnName = getColumnName( nIndex );
+
+ OUString sSql = "SELECT charset.RDB$CHARACTER_SET_NAME "
+ "FROM RDB$CHARACTER_SETS charset "
+ "JOIN RDB$FIELDS fields "
+ "ON (fields.RDB$CHARACTER_SET_ID = charset.RDB$CHARACTER_SET_ID) "
+ "JOIN RDB$RELATION_FIELDS relfields "
+ "ON (fields.RDB$FIELD_NAME = relfields.RDB$FIELD_SOURCE) "
+ "WHERE relfields.RDB$RELATION_NAME = '"
+ + escapeWith(sTable, '\'', '\'') + "' AND "
+ "relfields.RDB$FIELD_NAME = '"+ escapeWith(sColumnName, '\'', '\'') +"'";
+
+ Reference<XStatement> xStmt= m_pConnection->createStatement();
+
+ Reference<XResultSet> xRes =
+ xStmt->executeQuery(sSql);
+ Reference<XRow> xRow ( xRes, UNO_QUERY);
+ if(xRes->next())
+ {
+ OUString sCharset = xRow->getString(1).trim();
+ return sCharset;
+ }
+ }
+ return OUString();
+
+
+}
+
+void OResultSetMetaData::verifyValidColumn(sal_Int32 column)
+{
+ if (column>getColumnCount() || column < 1)
+ throw SQLException("Invalid column specified", *this, OUString(), 0, Any());
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount()
+{
+ return m_pSqlda->sqld;
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize( sal_Int32 column )
+{
+ verifyValidColumn(column);
+ return 32; // Hard limit for firebird
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::getColumnType(sal_Int32 column)
+{
+ verifyValidColumn(column);
+
+ short aType = m_pSqlda->sqlvar[column-1].sqltype & ~1;
+ OUString sCharset;
+
+ // do not query the character set unnecessarily
+ if(aType == SQL_TEXT || aType == SQL_VARYING)
+ {
+ sCharset = getCharacterSet(column);
+ }
+
+ ColumnTypeInfo aInfo( m_pSqlda->sqlvar[column-1].sqltype,
+ m_pSqlda->sqlvar[column-1].sqlsubtype,
+ -(m_pSqlda->sqlvar[column-1].sqlscale),
+ sCharset );
+
+ return aInfo.getSdbcType();
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive(sal_Int32)
+{
+ // Firebird is generally case sensitive when using quoted identifiers.
+ // IF THIS CHANGES make ResultSet::findColumn to be case-insensitive as needed.
+ // Generally names that are entirely UPPERCASE are case insensitive, however
+ // there remains some ambiguity if there is another mixed-case-named column
+ // of the same name. For safety always assume case insensitive.
+ return true;
+}
+
+OUString SAL_CALL OResultSetMetaData::getSchemaName(sal_Int32)
+{
+ return OUString(); // Schemas supported by firebird
+}
+
+OUString SAL_CALL OResultSetMetaData::getColumnName(sal_Int32 column)
+{
+ verifyValidColumn(column);
+ OUString sRet(m_pSqlda->sqlvar[column-1].sqlname,
+ m_pSqlda->sqlvar[column-1].sqlname_length,
+ RTL_TEXTENCODING_UTF8);
+ sanitizeIdentifier(sRet);
+ return sRet;
+}
+
+OUString SAL_CALL OResultSetMetaData::getTableName(sal_Int32 column)
+{
+ verifyValidColumn(column);
+ return OUString(m_pSqlda->sqlvar[column-1].relname,
+ m_pSqlda->sqlvar[column-1].relname_length,
+ RTL_TEXTENCODING_UTF8);
+}
+
+OUString SAL_CALL OResultSetMetaData::getCatalogName(sal_Int32)
+{
+ return OUString(); // Catalogs not supported by firebird
+}
+
+OUString SAL_CALL OResultSetMetaData::getColumnTypeName(sal_Int32 column)
+{
+ verifyValidColumn(column);
+
+ ColumnTypeInfo aInfo( m_pSqlda->sqlvar[column-1].sqltype,
+ m_pSqlda->sqlvar[column-1].sqlsubtype,
+ -(m_pSqlda->sqlvar[column-1].sqlscale) );
+
+ return aInfo.getColumnTypeName();
+}
+
+OUString SAL_CALL OResultSetMetaData::getColumnLabel(sal_Int32 column)
+{
+ // aliasname
+ verifyValidColumn(column);
+ OUString sRet(m_pSqlda->sqlvar[column-1].aliasname,
+ m_pSqlda->sqlvar[column-1].aliasname_length,
+ RTL_TEXTENCODING_UTF8);
+ sanitizeIdentifier(sRet);
+ return sRet;
+}
+
+OUString SAL_CALL OResultSetMetaData::getColumnServiceName(sal_Int32)
+{
+ // TODO: implement
+ return OUString();
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isCurrency(sal_Int32)
+{
+ return false;
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement(sal_Int32 column)
+{
+ OUString sTable = getTableName(column);
+ if( !sTable.isEmpty() )
+ {
+ OUString sColumnName = getColumnName( column );
+
+ OUString sSql = "SELECT RDB$IDENTITY_TYPE FROM RDB$RELATION_FIELDS "
+ "WHERE RDB$RELATION_NAME = '"
+ + escapeWith(sTable, '\'', '\'') + "' AND "
+ "RDB$FIELD_NAME = '"+ escapeWith(sColumnName, '\'', '\'') +"'";
+
+ Reference<XStatement> xStmt =m_pConnection ->createStatement();
+
+ Reference<XResultSet> xRes =
+ xStmt->executeQuery(sSql);
+ Reference<XRow> xRow ( xRes, UNO_QUERY);
+ if(xRes->next())
+ {
+ int iType = xRow->getShort(1);
+ if(iType == 1) // IDENTITY
+ return true;
+ }
+ else
+ {
+ SAL_WARN("connectivity.firebird","Column '"
+ << sColumnName
+ << "' not found in database");
+
+ return false;
+ }
+ }
+ return false;
+}
+
+
+sal_Bool SAL_CALL OResultSetMetaData::isSigned(sal_Int32)
+{
+ // Unsigned values aren't supported in firebird.
+ return true;
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::getPrecision(sal_Int32 column)
+{
+ sal_Int32 nType = getColumnType(column);
+ if( nType == DataType::NUMERIC || nType == DataType::DECIMAL )
+ {
+ OUString sColumnName = getColumnName( column );
+
+ // RDB$FIELD_SOURCE is a unique name of column per database
+ OUString sSql = "SELECT RDB$FIELD_PRECISION FROM RDB$FIELDS "
+ " INNER JOIN RDB$RELATION_FIELDS "
+ " ON RDB$RELATION_FIELDS.RDB$FIELD_SOURCE = RDB$FIELDS.RDB$FIELD_NAME "
+ "WHERE RDB$RELATION_FIELDS.RDB$RELATION_NAME = '"
+ + escapeWith(getTableName(column), '\'', '\'') + "' AND "
+ "RDB$RELATION_FIELDS.RDB$FIELD_NAME = '"
+ + escapeWith(sColumnName, '\'', '\'') +"'";
+ Reference<XStatement> xStmt= m_pConnection->createStatement();
+
+ Reference<XResultSet> xRes =
+ xStmt->executeQuery(sSql);
+ Reference<XRow> xRow ( xRes, UNO_QUERY);
+ if(xRes->next())
+ {
+ return static_cast<sal_Int32>(xRow->getShort(1));
+ }
+ else
+ {
+ SAL_WARN("connectivity.firebird","Column '"
+ << sColumnName
+ << "' not found in database");
+ return 0;
+ }
+ }
+ return 0;
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::getScale(sal_Int32 column)
+{
+ return -(m_pSqlda->sqlvar[column-1].sqlscale); // fb stores negative number
+}
+
+sal_Int32 SAL_CALL OResultSetMetaData::isNullable(sal_Int32 column)
+{
+ if (m_pSqlda->sqlvar[column-1].sqltype & 1)
+ return ColumnValue::NULLABLE;
+ else
+ return ColumnValue::NO_NULLS;
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isSearchable(sal_Int32)
+{
+ // TODO: Can the column be used as part of a where clause? Assume yes
+ return true;
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isReadOnly(sal_Int32)
+{
+ return m_pConnection->isReadOnly(); // Readonly only available on db level
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable(sal_Int32)
+{
+ return !m_pConnection->isReadOnly();
+}
+
+sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 )
+{
+ return !m_pConnection->isReadOnly();
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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