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
291
292
293
294
295
296
297
298
299
300
301
302
|
/*
Derby - Class org.apache.derbyTesting.functionTests.tests.jdbcapi.connectionJdbc20
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package org.apache.derbyTesting.functionTests.tests.jdbcapi;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSetMetaData;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.SQLException;
import java.sql.Types;
import java.sql.PreparedStatement;
import java.sql.CallableStatement;
import java.sql.DatabaseMetaData;
import java.io.*;
import org.apache.derby.tools.ij;
import org.apache.derby.tools.JDBCDisplayUtil;
import org.apache.derbyTesting.functionTests.util.TestUtil;
/**
*This Program Test getConnection()/getStatement().
*/
public class connectionJdbc20{
public static void main(String[] args) {
Connection conn, connreturn;
Statement stmt, stmtreturn;
System.out.println("Test connection20 starting");
try
{
// use the ij utility to read the property file and
// make the initial connection.
ij.getPropertyArg(args);
conn = ij.startJBMS();
stmt = conn.createStatement();
//create a table, insert a row, do a select from the table,
stmt.execute("create table tab1("+
"c1 char(100) for bit data,"+
"c2 varchar(100) for bit data," +
"c3 long varchar for bit data,"+
"c4 char(100),"+
"c5 varchar(100),"+
"c6 long varchar)");
connreturn = stmt.getConnection();
if (conn.equals(connreturn))
System.out.println("Got Same Connection Object");
else
System.out.println("Got Different Connection Object");
// load some data into this table ..
load_data(connreturn);
// read the data of each type with all the possible functions
ResultSet rs = stmt.executeQuery("select " +
"c1," +
"c2," +
"c3," +
"c4," +
"c5," +
"c6," +
"c1 as c1_spare," +
"c2 as c2_spare," +
"c3 as c3_spare " +
"from tab1");
int loop = 0;
while(loop < 2 )
{
while (rs.next())
{
for(int i=1 ; i < 7 ; i++)
{
get_using_object(rs, i);
get_using_string(rs, i);
get_using_ascii_stream(rs, i);
if(i < 4 ) // only c1 , c2, c3
{
get_using_binary_stream(rs, i + 6);
get_using_bytes(rs, i + 6);
}
}
}
// get the statment back from the result set
stmtreturn = rs.getStatement();
if (stmt.equals(stmtreturn))
System.out.println("Got Same Statement Object");
else
System.out.println("Got Different Statement Object");
rs.close();
rs = stmt.executeQuery("select " +
"c1," +
"c2," +
"c3," +
"c4," +
"c5," +
"c6," +
"c1 as c1_spare," +
"c2 as c2_spare," +
"c3 as c3_spare " +
"from tab1");
loop++;
}
stmt.close();
// Try to get the connection object thro database meta data
DatabaseMetaData dbmeta = conn.getMetaData();
rs = dbmeta.getTypeInfo();
while (rs.next())
{
System.out.println(rs.getString(1));
}
// try to get a statemet from a meta data result set
stmt = rs.getStatement();
rs.close();
// Try to get the Connection back from a Metadata
System.out.println("Try to Get the connection back from metadata");
connreturn = dbmeta.getConnection();
if (conn.equals(connreturn))
System.out.println("Got Same Connection Object");
else
System.out.println("Got Different Connection Object");
// Try to get the connection thru callable statement
CallableStatement cs = conn.prepareCall("select * from tab1");
System.out.println(" Try to get the connection back from a callable stmt");
connreturn = cs.getConnection();
if (conn.equals(connreturn))
System.out.println("Got Same Connection Object");
else
System.out.println("Got Different Connection Object");
cs.close();
conn.close();
}
catch (SQLException e) {
dumpSQLExceptions(e);
e.printStackTrace();
}
catch (Throwable e) {
System.out.println("FAIL -- unexpected exception: "+e);
e.printStackTrace();
}
System.out.println("Test getConnection finished");
}
static private void load_data(Connection conn) throws Exception{
PreparedStatement pstmt = null;
try{
pstmt = conn.prepareStatement(
"insert into tab1 values(?,?,?,?,?,?)");
String c1_value="C1XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
String c2_value="C2XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
String c3_value="C3XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
String c4_value="C4XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
String c5_value="C5XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
String c6_value="C6XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
pstmt.setBytes(1, c1_value.getBytes("US-ASCII"));
pstmt.setBytes(2, c2_value.getBytes("US-ASCII"));
pstmt.setBytes(3, c3_value.getBytes("US-ASCII"));
pstmt.setString(4, c4_value);
pstmt.setString(5, c5_value);
pstmt.setString(6, c6_value);
pstmt.execute();
// get the connection back thru preapred statement
System.out.println("Try to get connection using preaparedstatement");
Connection connreturn = pstmt.getConnection();
if (conn.equals(connreturn))
System.out.println("Got Same Connection Object");
else
System.out.println("Got Different Connection Object");
}catch(SQLException e){
dumpSQLExceptions(e);
e.printStackTrace();
}catch(Throwable e ){
System.out.println("Fail -- unexpected exception ");
e.printStackTrace();
}finally{
pstmt.close();
}
}
static private void dumpSQLExceptions (SQLException se) {
System.out.println("FAIL -- unexpected exception");
while (se != null) {
System.out.println("SQLSTATE("+se.getSQLState()+"): "+se);
se = se.getNextException();
}
}
static private void dumpExpectedSQLExceptions (SQLException se) {
System.out.println("PASS -- expected exception");
while (se != null) {
System.out.println("SQLSTATE("+se.getSQLState()+"): "+se);
se = se.getNextException();
}
}
static private int printbytearray(byte [] a , int len, int count){
for (int i =0 ; i < len; i++, count++) {
System.out.print("x" + Integer.toHexString(a[i]));
if ((i > 0) && ((i % 20) == 0))
System.out.println("");
}
return count;
}
static void get_using_object(ResultSet rs, int col_no) throws Exception{
System.out.println("getObject(" + col_no + ")");
Object cobj = rs.getObject(col_no);
if (cobj instanceof byte[]){
byte[] bytearray = (byte[]) cobj;
System.out.println(" as byte[] length " + bytearray.length);
printbytearray(bytearray, bytearray.length, 0);
System.out.println("");
}else {
System.out.println(" as String");
System.out.println(cobj.toString());
}
}
static void get_using_bytes(ResultSet rs, int col_no) throws Exception{
System.out.println("getBytes(" + col_no + ")");
byte[] bytearray = (byte[]) rs.getBytes(col_no);
printbytearray(bytearray, bytearray.length, 0);
System.out.println("");
}
static void get_using_string(ResultSet rs, int col_no) throws Exception{
String s = rs.getString(col_no);
System.out.println("getString(" + col_no + ") length " + s.length());
System.out.println(s);
}
static void get_using_ascii_stream(ResultSet rs, int col_no) throws Exception{
System.out.println("getAsciiStream(" + col_no + ")");
int no_bytes_read = 0;
InputStream rsbin = rs.getAsciiStream(col_no);
byte [] bytearray = new byte[200];
int count = 0;
while((no_bytes_read=rsbin.read(bytearray)) != -1)
{
count = printbytearray(bytearray, no_bytes_read, count);
}
System.out.println("");
}
static void get_using_binary_stream(ResultSet rs, int col_no) throws Exception{
System.out.println("getBinaryStream(" + col_no + ")");
int no_bytes_read = 0;
InputStream rsbin = rs.getBinaryStream(col_no);
byte [] bytearray = new byte[200];
int count = 0;
while((no_bytes_read=rsbin.read(bytearray)) != -1)
{
count = printbytearray(bytearray, no_bytes_read, count);
}
System.out.println("");
}
}
|
