summaryrefslogtreecommitdiffstats
path: root/connectivity/source/drivers/postgresql/pq_xkeys.cxx
blob: 2297b557e6afd4b01cad22c55247d8507b54045a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 *  Effective License of whole file:
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 *  Parts "Copyright by Sun Microsystems, Inc" prior to August 2011:
 *
 *    The Contents of this file are made available subject to the terms of
 *    the GNU Lesser General Public License Version 2.1
 *
 *    Copyright: 2000 by Sun Microsystems, Inc.
 *
 *    Contributor(s): Joerg Budischewski
 *
 *  All parts contributed on or after August 2011:
 *
 *    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 <sal/log.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/sdbc/SQLException.hpp>
#include <com/sun/star/sdbc/XRow.hpp>
#include <com/sun/star/sdbc/XParameters.hpp>
#include <com/sun/star/sdbc/KeyRule.hpp>
#include <com/sun/star/sdbcx/KeyType.hpp>
#include <cppuhelper/exc_hlp.hxx>

#include "pq_xkeys.hxx"
#include "pq_xkey.hxx"
#include "pq_statics.hxx"
#include "pq_tools.hxx"

using osl::MutexGuard;


using css::beans::XPropertySet;

using com::sun::star::uno::makeAny;
using com::sun::star::uno::UNO_QUERY;
using com::sun::star::uno::Reference;


using com::sun::star::sdbc::XRow;
using com::sun::star::sdbc::XStatement;
using com::sun::star::sdbc::XResultSet;
using com::sun::star::sdbc::XParameters;
using com::sun::star::sdbc::XPreparedStatement;

namespace pq_sdbc_driver
{

Keys::Keys(
        const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
        const css::uno::Reference< css::sdbc::XConnection >  & origin,
        ConnectionSettings *pSettings,
        const OUString &schemaName,
        const OUString &tableName)
    : Container( refMutex, origin, pSettings,  getStatics().KEY ),
      m_schemaName( schemaName ),
      m_tableName( tableName )
{}

Keys::~Keys()
{}

static sal_Int32 string2keytype( const OUString &type )
{
    sal_Int32 ret = css::sdbcx::KeyType::UNIQUE;
    if ( type == "p" )
        ret = css::sdbcx::KeyType::PRIMARY;
    else if ( type == "f" )
        ret =  css::sdbcx::KeyType::FOREIGN;
    return ret;
}

static sal_Int32 string2keyrule( const OUString & rule )
{
    sal_Int32 ret = css::sdbc::KeyRule::NO_ACTION;
    if( rule == "r" )
        ret = css::sdbc::KeyRule::RESTRICT;
    else if( rule == "c" )
        ret = css::sdbc::KeyRule::CASCADE;
    else if( rule == "n" )
        ret = css::sdbc::KeyRule::SET_NULL;
    else if( rule == "d" )
        ret = css::sdbc::KeyRule::SET_DEFAULT;
    return ret;
}

void Keys::refresh()
{
    try
    {
        SAL_INFO("connectivity.postgresql", "sdbcx.Keys get refreshed for table " << m_schemaName << "." << m_tableName);

        osl::MutexGuard guard( m_xMutex->GetMutex() );
        Statics & st = getStatics();

        Int2StringMap mainMap;
        fillAttnum2attnameMap( mainMap, m_origin, m_schemaName, m_tableName );

        Reference< XPreparedStatement > stmt = m_origin->prepareStatement(
                "SELECT  conname, "            // 1
                        "contype, "            // 2
                        "confupdtype, "        // 3
                        "confdeltype, "        // 4
                        "class2.relname, "     // 5
                        "nmsp2.nspname, "      // 6
                        "conkey,"              // 7
                        "confkey "             // 8
                "FROM pg_constraint INNER JOIN pg_class ON conrelid = pg_class.oid "
                      "INNER JOIN pg_namespace ON pg_class.relnamespace = pg_namespace.oid "
                      "LEFT JOIN pg_class AS class2 ON confrelid = class2.oid "
                      "LEFT JOIN pg_namespace AS nmsp2 ON class2.relnamespace=nmsp2.oid "
                "WHERE pg_class.relname = ? AND pg_namespace.nspname = ?" );

        Reference< XParameters > paras( stmt, UNO_QUERY );
        paras->setString( 1 , m_tableName );
        paras->setString( 2 , m_schemaName );
        Reference< XResultSet > rs = stmt->executeQuery();

        Reference< XRow > xRow( rs , UNO_QUERY );

        String2IntMap map;
        m_values.clear();
        int keyIndex = 0;
        while( rs->next() )
        {
            Key * pKey =
                new Key( m_xMutex, m_origin, m_pSettings , m_schemaName, m_tableName );
            Reference< css::beans::XPropertySet > prop = pKey;

            pKey->setPropertyValue_NoBroadcast_public(
                st.NAME, makeAny( xRow->getString( 1 ) ) );
            sal_Int32 keyType = string2keytype( xRow->getString(2) );
            pKey->setPropertyValue_NoBroadcast_public( st.TYPE, makeAny( keyType  ) );
            pKey->setPropertyValue_NoBroadcast_public(
                st.UPDATE_RULE, makeAny( string2keyrule( xRow->getString(3) ) ) );
            pKey->setPropertyValue_NoBroadcast_public(
                st.DELETE_RULE, makeAny( string2keyrule( xRow->getString(4) ) ) );
            pKey->setPropertyValue_NoBroadcast_public(
                st.PRIVATE_COLUMNS,
                makeAny(
                    convertMappedIntArray2StringArray(
                        mainMap,
                        string2intarray( xRow->getString( 7 ) ) ) ) );

            if( css::sdbcx::KeyType::FOREIGN == keyType )
            {
                OUStringBuffer buf( 128 );
                buf.append( xRow->getString( 6 ) ).append( "." ).append( xRow->getString( 5 ) );
                pKey->setPropertyValue_NoBroadcast_public(
                    st.REFERENCED_TABLE, makeAny( buf.makeStringAndClear() ) );

                Int2StringMap foreignMap;
                fillAttnum2attnameMap( foreignMap, m_origin, xRow->getString(6), xRow->getString(5));
                pKey->setPropertyValue_NoBroadcast_public(
                    st.PRIVATE_FOREIGN_COLUMNS,
                    makeAny(
                    convertMappedIntArray2StringArray(
                        foreignMap,
                        string2intarray( xRow->getString(8) ) ) ) );
            }


            {
                map[ xRow->getString( 1 ) ] = keyIndex;
                m_values.push_back( makeAny( prop ) );
                ++keyIndex;
            }
        }
        m_name2index.swap( map );
    }
    catch ( css::sdbc::SQLException & e )
    {
        css::uno::Any anyEx = cppu::getCaughtException();
        throw css::lang::WrappedTargetRuntimeException( e.Message,
                        e.Context, anyEx );
    }

    fire( RefreshedBroadcaster( *this ) );
}


void Keys::appendByDescriptor(
    const css::uno::Reference< css::beans::XPropertySet >& descriptor )
{
    osl::MutexGuard guard( m_xMutex->GetMutex() );

    OUStringBuffer buf( 128 );
    buf.append( "ALTER TABLE " );
    bufferQuoteQualifiedIdentifier( buf, m_schemaName, m_tableName, m_pSettings );
    buf.append( " ADD " );
    bufferKey2TableConstraint( buf, descriptor, m_pSettings );

    Reference< XStatement > stmt =
        m_origin->createStatement();
    stmt->executeUpdate( buf.makeStringAndClear() );
}


void Keys::dropByIndex( sal_Int32 index )
{
    osl::MutexGuard guard( m_xMutex->GetMutex() );
    if( index < 0 ||  index >= static_cast<sal_Int32>(m_values.size()) )
    {
        throw css::lang::IndexOutOfBoundsException(
            "TABLES: Index out of range (allowed 0 to " + OUString::number(m_values.size() -1)
            + ", got " + OUString::number( index ) + ")",
            *this );
    }


    Reference< XPropertySet > set;
    m_values[index] >>= set;

    OUStringBuffer buf( 128 );
    buf.append( "ALTER TABLE " );
    bufferQuoteQualifiedIdentifier( buf, m_schemaName, m_tableName, m_pSettings );
    buf.append( " DROP CONSTRAINT " );
    bufferQuoteIdentifier( buf, extractStringProperty( set , getStatics().NAME ), m_pSettings );
    m_origin->createStatement()->executeUpdate( buf.makeStringAndClear() );


    Container::dropByIndex( index );
}


css::uno::Reference< css::beans::XPropertySet > Keys::createDataDescriptor()
{
    return new KeyDescriptor( m_xMutex, m_origin, m_pSettings );
}

Reference< css::container::XIndexAccess > Keys::create(
    const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
    const css::uno::Reference< css::sdbc::XConnection >  & origin,
    ConnectionSettings *pSettings,
    const OUString & schemaName,
    const OUString & tableName)
{
    Keys *pKeys = new Keys( refMutex, origin, pSettings, schemaName, tableName );
    Reference< css::container::XIndexAccess > ret = pKeys;
    pKeys->refresh();

    return ret;
}

KeyDescriptors::KeyDescriptors(
        const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
        const css::uno::Reference< css::sdbc::XConnection >  & origin,
        ConnectionSettings *pSettings)
    : Container( refMutex, origin, pSettings,  getStatics().KEY )
{}

Reference< css::container::XIndexAccess > KeyDescriptors::create(
    const ::rtl::Reference< comphelper::RefCountedMutex > & refMutex,
    const css::uno::Reference< css::sdbc::XConnection >  & origin,
    ConnectionSettings *pSettings)
{
    return new KeyDescriptors( refMutex, origin, pSettings );
}

css::uno::Reference< css::beans::XPropertySet > KeyDescriptors::createDataDescriptor()
{
    return new KeyDescriptor( m_xMutex, m_origin, m_pSettings );
}

};

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */