Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include "odbc/OResultSetMetaData.hxx"
21 : #include "odbc/OTools.hxx"
22 : #include <rtl/logfile.hxx>
23 :
24 : using namespace connectivity::odbc;
25 : using namespace com::sun::star::uno;
26 : using namespace com::sun::star::lang;
27 : using namespace com::sun::star::sdbc;
28 :
29 : // -------------------------------------------------------------------------
30 0 : OResultSetMetaData::~OResultSetMetaData()
31 : {
32 0 : }
33 : // -------------------------------------------------------------------------
34 0 : ::rtl::OUString OResultSetMetaData::getCharColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException)
35 : {
36 0 : sal_Int32 column = _column;
37 0 : if(_column <(sal_Int32) m_vMapping.size()) // use mapping
38 0 : column = m_vMapping[_column];
39 :
40 0 : SQLSMALLINT BUFFER_LEN = 128;
41 0 : char *pName = new char[BUFFER_LEN+1];
42 0 : SQLSMALLINT nRealLen=0;
43 0 : SQLRETURN nRet = N3SQLColAttribute(m_aStatementHandle,
44 : (SQLUSMALLINT)column,
45 : (SQLUSMALLINT)ident,
46 : (SQLPOINTER)pName,
47 : BUFFER_LEN,
48 : &nRealLen,
49 : NULL
50 : );
51 0 : ::rtl::OUString sValue;
52 0 : if ( nRet == SQL_SUCCESS )
53 : {
54 0 : if ( nRealLen < 0 )
55 0 : nRealLen = BUFFER_LEN;
56 0 : sValue = ::rtl::OUString(pName,nRealLen,m_pConnection->getTextEncoding());
57 : }
58 0 : delete [] pName;
59 0 : OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
60 0 : if(nRealLen > BUFFER_LEN)
61 : {
62 0 : pName = new char[nRealLen+1];
63 0 : nRet = N3SQLColAttribute(m_aStatementHandle,
64 : (SQLUSMALLINT)column,
65 : (SQLUSMALLINT)ident,
66 : (SQLPOINTER)pName,
67 : nRealLen,
68 : &nRealLen,
69 : NULL
70 0 : );
71 0 : if ( nRet == SQL_SUCCESS && nRealLen > 0)
72 0 : sValue = ::rtl::OUString(pName,nRealLen,m_pConnection->getTextEncoding());
73 0 : delete [] pName;
74 0 : OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
75 : }
76 :
77 0 : return sValue;
78 : }
79 : // -------------------------------------------------------------------------
80 0 : SQLLEN OResultSetMetaData::getNumColAttrib(OConnection* _pConnection
81 : ,SQLHANDLE _aStatementHandle
82 : ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface
83 : ,sal_Int32 _column
84 : ,sal_Int32 _ident) throw(SQLException, RuntimeException)
85 : {
86 0 : SQLLEN nValue=0;
87 0 : OTools::ThrowException(_pConnection,(*(T3SQLColAttribute)_pConnection->getOdbcFunction(ODBC3SQLColAttribute))(_aStatementHandle,
88 : (SQLUSMALLINT)_column,
89 : (SQLUSMALLINT)_ident,
90 : NULL,
91 : 0,
92 : NULL,
93 0 : &nValue),_aStatementHandle,SQL_HANDLE_STMT,_xInterface);
94 0 : return nValue;
95 : }
96 : // -------------------------------------------------------------------------
97 0 : sal_Int32 OResultSetMetaData::getNumColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException)
98 : {
99 0 : sal_Int32 column = _column;
100 0 : if(_column < (sal_Int32)m_vMapping.size()) // use mapping
101 0 : column = m_vMapping[_column];
102 :
103 0 : return getNumColAttrib(m_pConnection,m_aStatementHandle,*this,column,ident);
104 : }
105 : // -------------------------------------------------------------------------
106 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize( sal_Int32 column ) throw(SQLException, RuntimeException)
107 : {
108 0 : return getNumColAttrib(column,SQL_DESC_DISPLAY_SIZE);
109 : }
110 : // -------------------------------------------------------------------------
111 0 : SQLSMALLINT OResultSetMetaData::getColumnODBCType(OConnection* _pConnection
112 : ,SQLHANDLE _aStatementHandle
113 : ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface
114 : ,sal_Int32 column)
115 : throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
116 : {
117 0 : SQLSMALLINT nType = 0;
118 : try
119 : {
120 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE);
121 0 : if(nType == SQL_UNKNOWN_TYPE)
122 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column, SQL_DESC_TYPE);
123 : }
124 0 : catch(SQLException& ) // in this case we have an odbc 2.0 driver
125 : {
126 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE );
127 : }
128 :
129 0 : return nType;
130 : }
131 : // -----------------------------------------------------------------------------
132 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnType( sal_Int32 column ) throw(SQLException, RuntimeException)
133 : {
134 0 : ::std::map<sal_Int32,sal_Int32>::iterator aFind = m_aColumnTypes.find(column);
135 0 : if ( aFind == m_aColumnTypes.end() )
136 : {
137 0 : sal_Int32 nType = 0;
138 0 : if(!m_bUseODBC2Types)
139 : {
140 : try
141 : {
142 0 : nType = getNumColAttrib(column,SQL_DESC_CONCISE_TYPE);
143 0 : if(nType == SQL_UNKNOWN_TYPE)
144 0 : nType = getNumColAttrib(column, SQL_DESC_TYPE);
145 0 : nType = OTools::MapOdbcType2Jdbc(nType);
146 : }
147 0 : catch(SQLException& ) // in this case we have an odbc 2.0 driver
148 : {
149 0 : m_bUseODBC2Types = sal_True;
150 0 : nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
151 : }
152 : }
153 : else
154 0 : nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
155 0 : aFind = m_aColumnTypes.insert(::std::map<sal_Int32,sal_Int32>::value_type(column,nType)).first;
156 : }
157 :
158 :
159 0 : return aFind->second;
160 : }
161 : // -------------------------------------------------------------------------
162 :
163 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount( ) throw(SQLException, RuntimeException)
164 : {
165 0 : if(m_nColCount != -1)
166 0 : return m_nColCount;
167 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnCount" );
168 0 : sal_Int16 nNumResultCols=0;
169 0 : OTools::ThrowException(m_pConnection,N3SQLNumResultCols(m_aStatementHandle,&nNumResultCols),m_aStatementHandle,SQL_HANDLE_STMT,*this);
170 0 : return m_nColCount = nNumResultCols;
171 : }
172 : // -------------------------------------------------------------------------
173 :
174 0 : sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive( sal_Int32 column ) throw(SQLException, RuntimeException)
175 : {
176 0 : return getNumColAttrib(column,SQL_DESC_CASE_SENSITIVE) == SQL_TRUE;
177 : }
178 : // -------------------------------------------------------------------------
179 :
180 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getSchemaName( sal_Int32 column ) throw(SQLException, RuntimeException)
181 : {
182 0 : return getCharColAttrib(column,SQL_DESC_SCHEMA_NAME);
183 : }
184 : // -------------------------------------------------------------------------
185 :
186 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getColumnName( sal_Int32 column ) throw(SQLException, RuntimeException)
187 : {
188 0 : return getCharColAttrib(column,SQL_DESC_NAME);
189 : }
190 : // -------------------------------------------------------------------------
191 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getTableName( sal_Int32 column ) throw(SQLException, RuntimeException)
192 : {
193 0 : return getCharColAttrib(column,SQL_DESC_TABLE_NAME);
194 : }
195 : // -------------------------------------------------------------------------
196 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getCatalogName( sal_Int32 column ) throw(SQLException, RuntimeException)
197 : {
198 0 : return getCharColAttrib(column,SQL_DESC_CATALOG_NAME);
199 : }
200 : // -------------------------------------------------------------------------
201 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getColumnTypeName( sal_Int32 column ) throw(SQLException, RuntimeException)
202 : {
203 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnTypeName" );
204 0 : return getCharColAttrib(column,SQL_DESC_TYPE_NAME);
205 : }
206 : // -------------------------------------------------------------------------
207 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getColumnLabel( sal_Int32 column ) throw(SQLException, RuntimeException)
208 : {
209 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnLabel" );
210 0 : return getCharColAttrib(column,SQL_DESC_LABEL);
211 : }
212 : // -------------------------------------------------------------------------
213 0 : ::rtl::OUString SAL_CALL OResultSetMetaData::getColumnServiceName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException)
214 : {
215 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getColumnServiceName" );
216 0 : return ::rtl::OUString();
217 : }
218 : // -------------------------------------------------------------------------
219 :
220 0 : sal_Bool SAL_CALL OResultSetMetaData::isCurrency( sal_Int32 column ) throw(SQLException, RuntimeException)
221 : {
222 0 : return getNumColAttrib(column,SQL_DESC_FIXED_PREC_SCALE) == SQL_TRUE;
223 : }
224 : // -------------------------------------------------------------------------
225 :
226 0 : sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement( sal_Int32 column ) throw(SQLException, RuntimeException)
227 : {
228 0 : return getNumColAttrib(column,SQL_DESC_AUTO_UNIQUE_VALUE) == SQL_TRUE;
229 : }
230 : // -------------------------------------------------------------------------
231 :
232 :
233 0 : sal_Bool SAL_CALL OResultSetMetaData::isSigned( sal_Int32 column ) throw(SQLException, RuntimeException)
234 : {
235 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isSigned" );
236 0 : return getNumColAttrib(column,SQL_DESC_UNSIGNED) == SQL_FALSE;
237 : }
238 : // -------------------------------------------------------------------------
239 0 : sal_Int32 SAL_CALL OResultSetMetaData::getPrecision( sal_Int32 column ) throw(SQLException, RuntimeException)
240 : {
241 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getPrecision" );
242 0 : sal_Int32 nType = 0;
243 : try
244 : {
245 0 : nType = getNumColAttrib(column,SQL_DESC_PRECISION);
246 : }
247 0 : catch(const SQLException& ) // in this case we have an odbc 2.0 driver
248 : {
249 0 : m_bUseODBC2Types = sal_True;
250 0 : nType = getNumColAttrib(column,SQL_COLUMN_PRECISION );
251 : }
252 0 : return nType;
253 : }
254 : // -----------------------------------------------------------------------------
255 0 : sal_Int32 SAL_CALL OResultSetMetaData::getScale( sal_Int32 column ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
256 : {
257 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::getScale" );
258 0 : sal_Int32 nType = 0;
259 : try
260 : {
261 0 : nType = getNumColAttrib(column,SQL_DESC_SCALE);
262 : }
263 0 : catch(const SQLException& ) // in this case we have an odbc 2.0 driver
264 : {
265 0 : m_bUseODBC2Types = sal_True;
266 0 : nType = getNumColAttrib(column,SQL_COLUMN_SCALE );
267 : }
268 0 : return nType;
269 : }
270 : // -------------------------------------------------------------------------
271 :
272 0 : sal_Int32 SAL_CALL OResultSetMetaData::isNullable( sal_Int32 column ) throw(SQLException, RuntimeException)
273 : {
274 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isNullable" );
275 0 : return getNumColAttrib(column,SQL_DESC_NULLABLE);
276 : }
277 : // -------------------------------------------------------------------------
278 :
279 0 : sal_Bool SAL_CALL OResultSetMetaData::isSearchable( sal_Int32 column ) throw(SQLException, RuntimeException)
280 : {
281 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isSearchable" );
282 0 : return getNumColAttrib(column,SQL_DESC_SEARCHABLE) != SQL_PRED_NONE;
283 : }
284 : // -------------------------------------------------------------------------
285 :
286 0 : sal_Bool SAL_CALL OResultSetMetaData::isReadOnly( sal_Int32 column ) throw(SQLException, RuntimeException)
287 : {
288 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isReadOnly" );
289 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_READONLY;
290 : }
291 : // -------------------------------------------------------------------------
292 :
293 0 : sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable( sal_Int32 column ) throw(SQLException, RuntimeException)
294 : {
295 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isDefinitelyWritable" );
296 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
297 : ;
298 : }
299 : // -------------------------------------------------------------------------
300 0 : sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 column ) throw(SQLException, RuntimeException)
301 : {
302 : RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "odbc", "Ocke.Janssen@sun.com", "OResultSetMetaData::isWritable" );
303 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
304 : }
305 : // -------------------------------------------------------------------------
306 :
307 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
