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 :
23 : using namespace connectivity::odbc;
24 : using namespace com::sun::star::uno;
25 : using namespace com::sun::star::lang;
26 : using namespace com::sun::star::sdbc;
27 :
28 :
29 0 : OResultSetMetaData::~OResultSetMetaData()
30 : {
31 0 : }
32 :
33 0 : OUString OResultSetMetaData::getCharColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException)
34 : {
35 0 : sal_Int32 column = _column;
36 0 : if(_column <(sal_Int32) m_vMapping.size()) // use mapping
37 0 : column = m_vMapping[_column];
38 :
39 0 : SQLSMALLINT BUFFER_LEN = 128;
40 0 : char *pName = new char[BUFFER_LEN+1];
41 0 : SQLSMALLINT nRealLen=0;
42 0 : SQLRETURN nRet = N3SQLColAttribute(m_aStatementHandle,
43 : (SQLUSMALLINT)column,
44 : (SQLUSMALLINT)ident,
45 : static_cast<SQLPOINTER>(pName),
46 : BUFFER_LEN,
47 : &nRealLen,
48 : NULL
49 : );
50 0 : OUString sValue;
51 0 : if ( nRet == SQL_SUCCESS )
52 : {
53 0 : if ( nRealLen < 0 )
54 0 : nRealLen = BUFFER_LEN;
55 0 : sValue = OUString(pName,nRealLen,m_pConnection->getTextEncoding());
56 : }
57 0 : delete [] pName;
58 0 : OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
59 0 : if(nRealLen > BUFFER_LEN)
60 : {
61 0 : pName = new char[nRealLen+1];
62 0 : nRet = N3SQLColAttribute(m_aStatementHandle,
63 : (SQLUSMALLINT)column,
64 : (SQLUSMALLINT)ident,
65 : static_cast<SQLPOINTER>(pName),
66 : nRealLen,
67 : &nRealLen,
68 : NULL
69 0 : );
70 0 : if ( nRet == SQL_SUCCESS && nRealLen > 0)
71 0 : sValue = OUString(pName,nRealLen,m_pConnection->getTextEncoding());
72 0 : delete [] pName;
73 0 : OTools::ThrowException(m_pConnection,nRet,m_aStatementHandle,SQL_HANDLE_STMT,*this);
74 : }
75 :
76 0 : return sValue;
77 : }
78 :
79 0 : SQLLEN OResultSetMetaData::getNumColAttrib(OConnection* _pConnection
80 : ,SQLHANDLE _aStatementHandle
81 : ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface
82 : ,sal_Int32 _column
83 : ,sal_Int32 _ident) throw(SQLException, RuntimeException)
84 : {
85 0 : SQLLEN nValue=0;
86 0 : OTools::ThrowException(_pConnection,(*reinterpret_cast<T3SQLColAttribute>(_pConnection->getOdbcFunction(ODBC3SQLFunctionId::ColAttribute)))(_aStatementHandle,
87 : (SQLUSMALLINT)_column,
88 : (SQLUSMALLINT)_ident,
89 : NULL,
90 : 0,
91 : NULL,
92 0 : &nValue),_aStatementHandle,SQL_HANDLE_STMT,_xInterface);
93 0 : return nValue;
94 : }
95 :
96 0 : sal_Int32 OResultSetMetaData::getNumColAttrib(sal_Int32 _column,sal_Int32 ident) throw(SQLException, RuntimeException)
97 : {
98 0 : sal_Int32 column = _column;
99 0 : if(_column < (sal_Int32)m_vMapping.size()) // use mapping
100 0 : column = m_vMapping[_column];
101 :
102 0 : return getNumColAttrib(m_pConnection,m_aStatementHandle,*this,column,ident);
103 : }
104 :
105 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnDisplaySize( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
106 : {
107 0 : return getNumColAttrib(column,SQL_DESC_DISPLAY_SIZE);
108 : }
109 :
110 0 : SQLSMALLINT OResultSetMetaData::getColumnODBCType(OConnection* _pConnection
111 : ,SQLHANDLE _aStatementHandle
112 : ,const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface >& _xInterface
113 : ,sal_Int32 column)
114 : throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException)
115 : {
116 0 : SQLSMALLINT nType = 0;
117 : try
118 : {
119 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE);
120 0 : if(nType == SQL_UNKNOWN_TYPE)
121 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column, SQL_DESC_TYPE);
122 : }
123 0 : catch(SQLException& ) // in this case we have an odbc 2.0 driver
124 : {
125 0 : nType = (SQLSMALLINT)getNumColAttrib(_pConnection,_aStatementHandle,_xInterface,column,SQL_DESC_CONCISE_TYPE );
126 : }
127 :
128 0 : return nType;
129 : }
130 :
131 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnType( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
132 : {
133 0 : ::std::map<sal_Int32,sal_Int32>::iterator aFind = m_aColumnTypes.find(column);
134 0 : if ( aFind == m_aColumnTypes.end() )
135 : {
136 0 : sal_Int32 nType = 0;
137 0 : if(!m_bUseODBC2Types)
138 : {
139 : try
140 : {
141 0 : nType = getNumColAttrib(column,SQL_DESC_CONCISE_TYPE);
142 0 : if(nType == SQL_UNKNOWN_TYPE)
143 0 : nType = getNumColAttrib(column, SQL_DESC_TYPE);
144 0 : nType = OTools::MapOdbcType2Jdbc(nType);
145 : }
146 0 : catch(SQLException& ) // in this case we have an odbc 2.0 driver
147 : {
148 0 : m_bUseODBC2Types = true;
149 0 : nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
150 : }
151 : }
152 : else
153 0 : nType = OTools::MapOdbcType2Jdbc(getNumColAttrib(column,SQL_DESC_CONCISE_TYPE ));
154 0 : aFind = m_aColumnTypes.insert(::std::map<sal_Int32,sal_Int32>::value_type(column,nType)).first;
155 : }
156 :
157 :
158 0 : return aFind->second;
159 : }
160 :
161 :
162 0 : sal_Int32 SAL_CALL OResultSetMetaData::getColumnCount( ) throw(SQLException, RuntimeException, std::exception)
163 : {
164 0 : if(m_nColCount != -1)
165 0 : return m_nColCount;
166 0 : sal_Int16 nNumResultCols=0;
167 0 : OTools::ThrowException(m_pConnection,N3SQLNumResultCols(m_aStatementHandle,&nNumResultCols),m_aStatementHandle,SQL_HANDLE_STMT,*this);
168 0 : return m_nColCount = nNumResultCols;
169 : }
170 :
171 :
172 0 : sal_Bool SAL_CALL OResultSetMetaData::isCaseSensitive( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
173 : {
174 0 : return getNumColAttrib(column,SQL_DESC_CASE_SENSITIVE) == SQL_TRUE;
175 : }
176 :
177 :
178 0 : OUString SAL_CALL OResultSetMetaData::getSchemaName( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
179 : {
180 0 : return getCharColAttrib(column,SQL_DESC_SCHEMA_NAME);
181 : }
182 :
183 :
184 0 : OUString SAL_CALL OResultSetMetaData::getColumnName( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
185 : {
186 0 : return getCharColAttrib(column,SQL_DESC_NAME);
187 : }
188 :
189 0 : OUString SAL_CALL OResultSetMetaData::getTableName( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
190 : {
191 0 : return getCharColAttrib(column,SQL_DESC_TABLE_NAME);
192 : }
193 :
194 0 : OUString SAL_CALL OResultSetMetaData::getCatalogName( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
195 : {
196 0 : return getCharColAttrib(column,SQL_DESC_CATALOG_NAME);
197 : }
198 :
199 0 : OUString SAL_CALL OResultSetMetaData::getColumnTypeName( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
200 : {
201 0 : return getCharColAttrib(column,SQL_DESC_TYPE_NAME);
202 : }
203 :
204 0 : OUString SAL_CALL OResultSetMetaData::getColumnLabel( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
205 : {
206 0 : return getCharColAttrib(column,SQL_DESC_LABEL);
207 : }
208 :
209 0 : OUString SAL_CALL OResultSetMetaData::getColumnServiceName( sal_Int32 /*column*/ ) throw(SQLException, RuntimeException, std::exception)
210 : {
211 0 : return OUString();
212 : }
213 :
214 :
215 0 : sal_Bool SAL_CALL OResultSetMetaData::isCurrency( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
216 : {
217 0 : return getNumColAttrib(column,SQL_DESC_FIXED_PREC_SCALE) == SQL_TRUE;
218 : }
219 :
220 :
221 0 : sal_Bool SAL_CALL OResultSetMetaData::isAutoIncrement( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
222 : {
223 0 : return getNumColAttrib(column,SQL_DESC_AUTO_UNIQUE_VALUE) == SQL_TRUE;
224 : }
225 :
226 :
227 :
228 0 : sal_Bool SAL_CALL OResultSetMetaData::isSigned( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
229 : {
230 0 : return getNumColAttrib(column,SQL_DESC_UNSIGNED) == SQL_FALSE;
231 : }
232 :
233 0 : sal_Int32 SAL_CALL OResultSetMetaData::getPrecision( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
234 : {
235 0 : sal_Int32 nType = 0;
236 : try
237 : {
238 0 : nType = getNumColAttrib(column,SQL_DESC_PRECISION);
239 : }
240 0 : catch(const SQLException& ) // in this case we have an odbc 2.0 driver
241 : {
242 0 : m_bUseODBC2Types = true;
243 0 : nType = getNumColAttrib(column,SQL_COLUMN_PRECISION );
244 : }
245 0 : return nType;
246 : }
247 :
248 0 : sal_Int32 SAL_CALL OResultSetMetaData::getScale( sal_Int32 column ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException, std::exception)
249 : {
250 0 : sal_Int32 nType = 0;
251 : try
252 : {
253 0 : nType = getNumColAttrib(column,SQL_DESC_SCALE);
254 : }
255 0 : catch(const SQLException& ) // in this case we have an odbc 2.0 driver
256 : {
257 0 : m_bUseODBC2Types = true;
258 0 : nType = getNumColAttrib(column,SQL_COLUMN_SCALE );
259 : }
260 0 : return nType;
261 : }
262 :
263 :
264 0 : sal_Int32 SAL_CALL OResultSetMetaData::isNullable( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
265 : {
266 0 : return getNumColAttrib(column,SQL_DESC_NULLABLE);
267 : }
268 :
269 :
270 0 : sal_Bool SAL_CALL OResultSetMetaData::isSearchable( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
271 : {
272 0 : return getNumColAttrib(column,SQL_DESC_SEARCHABLE) != SQL_PRED_NONE;
273 : }
274 :
275 :
276 0 : sal_Bool SAL_CALL OResultSetMetaData::isReadOnly( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
277 : {
278 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_READONLY;
279 : }
280 :
281 :
282 0 : sal_Bool SAL_CALL OResultSetMetaData::isDefinitelyWritable( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
283 : {
284 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
285 : }
286 :
287 0 : sal_Bool SAL_CALL OResultSetMetaData::isWritable( sal_Int32 column ) throw(SQLException, RuntimeException, std::exception)
288 : {
289 0 : return getNumColAttrib(column,SQL_DESC_UPDATABLE) == SQL_ATTR_WRITE;
290 : }
291 :
292 :
293 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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