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
|
/*
========== licence begin GPL
Copyright (C) 2002-2003 SAP AG
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
========== licence end
*/
package com.sap.dbtech.jdbc;
import java.sql.*;
import com.sap.dbtech.jdbc.packet.*;
/**
*
*/
public class PeekAndPoke
{
/**
* make PeekAndPoke uninstantiable
*/
private
PeekAndPoke ()
{
}
/**
*
*/
static public byte []
getParseId (PreparedStatement stmt)
{
byte [] result;
CallableStatementSapDB realStmt = getRealStatement(stmt);
if (realStmt.parseinfo.getMassParseid() != null) {
result = realStmt.parseinfo.getMassParseid();
}
else {
result = realStmt.parseinfo.getParseId();
}
return result;
}
/**
*
*/
static public byte []
getParseIdForMonitor (PreparedStatement stmt)
{
CallableStatementSapDB realStmt = getRealStatement(stmt);
byte [] result = getParseId (realStmt);
if (result != null) {
result [result.length - 2] = 0;
}
return result;
}
/**
*
*/
static public void
syntaxCheck (
Connection connArg,
String sqlCmd)
throws SQLException
{
ConnectionSapDB connection = (ConnectionSapDB) connArg;
RequestPacket requestPacket = connection.getRequestPacket (false);
requestPacket.initSyntaxOnlyCommand (sqlCmd);
connection.execute (requestPacket, connection, ConnectionSapDB.GC_ALLOWED);
}
static public Parseinfo getParseinfo(PreparedStatement stmt) {
CallableStatementSapDB realStmt = getRealStatement(stmt);
return realStmt.parseinfo;
}
private static CallableStatementSapDB getRealStatement(PreparedStatement stmt){
if (stmt instanceof com.sap.dbtech.jdbc.trace.PreparedStatement){
return (CallableStatementSapDB) ((com.sap.dbtech.jdbc.trace.PreparedStatement)stmt).getInner();
} else if (stmt instanceof CallableStatementSapDB){
return (CallableStatementSapDB) stmt;
} else {
return null;
}
}
}
|
