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OdbcConnection.cpp
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OdbcConnection.cpp
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/*
*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (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.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed on
* an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either
* express or implied. See the License for the specific
* language governing rights and limitations under the License.
*
*
* The Original Code was created by James A. Starkey for IBPhoenix.
*
* Copyright (c) 1999, 2000, 2001 James A. Starkey
* All Rights Reserved.
*
* 2003-03-24 OdbcConnection.cpp
* Contributed by Norbert Meyer
* delete Statements before close connection
* (statement-destructor needs connection-pointer
* for call connection->deleteStatement.
* If connection->deleteStatement not called,
* you get an AV if you use Statements and call
* SQLDisconnect(...);
* SQLFreeHandle(..., connection);
*
* 2002-12-05 OdbcConnection.cpp
* Contributed by C. Guzman Alvarez
* SQLGetInfo returns more info.
* Solve error in SQL_ORDER_BY_COLUMNS_IN_SELECT.
*
* 2002-08-12 OdbcConnection.cpp
* Contributed by C. G. Alvarez
* Added SQL_API_SQLGETCONNECTOPTION to list of
* supported functions
*
* Added more items to sqlGetInfo()
*
* 2002-07-02 OdbcConnection.cpp
* Added better management of txn isolation
* Added fix to enable setting the asyncEnable property
* contributed by C. G. Alvarez
*
* 2002-07-01 OdbcConnection.cpp
* Added SQL_API_SQLSETCONNECTOPTION to
* supportedFunctions C. G. Alvarez
*
* 2002-06-26 OdbcConnection::sqlGetInfo
* Added call to clearErrors() at start of
* the method(Roger Gammans).
*
* 2002-06-25 OdbcConnection.cpp
* Contributed by C. G. Alvarez
* Return Database Server Name from sqlGetInfo
*
*
* 2002-06-08 OdbcConnection.cpp
* Contributed by C. G. Alvarez
* sqlSetConnectAttr() and connect()
* now supports SQL_ATTR_TXN_ISOLATION
*
*
* 2002-06-08 OdbcConnection.cpp
* Contributed by C. G. Alvarez
* Changed sqlDriverConnect() to better support
* Crystal Reports.
*/
// OdbcConnection.cpp: implementation of the OdbcConnection class.
//
//////////////////////////////////////////////////////////////////////
#include <stdio.h>
#ifndef _WINDOWS
#include <unistd.h>
#include <dlfcn.h>
#endif
#include <string.h>
#include "OdbcJdbc.h"
#include "OdbcEnv.h"
#include "OdbcConnection.h"
#include <odbcinst.h>
#include "IscDbc/Connection.h"
#include "IscDbc/SQLException.h"
#include "OdbcStatement.h"
#include "OdbcDesc.h"
#include "ConnectDialog.h"
#include "SecurityPassword.h"
#define SQL_FBGETPAGEDB 180
#define SQL_FBGETWALDB 181
#define SQL_FBGETSTATINFODB 182
#define BUILD_ODBC_VER(zero1,major,zero2,minor,zero3,build) zero1 #major "." zero2 #minor "." zero3 #build
#define STR_BUILD_ODBC_VER(zero1,major,zero2,minor,zero3,build) BUILD_ODBC_VER( zero1, major, zero2, minor, zero3, build )
#define ODBC_DRIVER_VERSION "03.51.0000"
#define ODBC_VERSION_NUMBER STR_BUILD_ODBC_VER( ZERO_MAJOR, MAJOR_VERSION, ZERO_MINOR, MINOR_VERSION, ZERO_BUILDNUM, BUILDNUM_VERSION )
namespace OdbcJdbcLibrary {
using namespace IscDbcLibrary;
using namespace classSecurityPassword;
static const int supportedFunctions [] = {
// Deprecated but important stuff
SQL_API_SQLALLOCCONNECT,
SQL_API_SQLALLOCENV,
SQL_API_SQLALLOCSTMT,
SQL_API_SQLFREECONNECT,
SQL_API_SQLFREEENV,
SQL_API_SQLFREESTMT,
SQL_API_SQLCOLATTRIBUTES,
SQL_API_SQLERROR,
SQL_API_SQLSETPARAM,
SQL_API_SQLTRANSACT,
SQL_API_SQLSETCONNECTOPTION,
SQL_API_SQLGETCONNECTOPTION,
SQL_API_SQLENDTRAN,
SQL_API_SQLALLOCHANDLE,
SQL_API_SQLGETDESCFIELD,
SQL_API_SQLBINDCOL,
SQL_API_SQLGETDESCREC,
SQL_API_SQLCANCEL,
SQL_API_SQLGETDIAGFIELD,
SQL_API_SQLCLOSECURSOR,
SQL_API_SQLGETDIAGREC,
SQL_API_SQLCOLATTRIBUTE,
SQL_API_SQLGETENVATTR,
SQL_API_SQLCONNECT,
SQL_API_SQLGETFUNCTIONS,
SQL_API_SQLCOPYDESC,
SQL_API_SQLGETINFO,
SQL_API_SQLDATASOURCES,
SQL_API_SQLGETSTMTATTR,
SQL_API_SQLDESCRIBECOL,
SQL_API_SQLGETTYPEINFO,
SQL_API_SQLDISCONNECT,
SQL_API_SQLNUMRESULTCOLS,
SQL_API_SQLDRIVERS,
SQL_API_SQLPARAMDATA,
SQL_API_SQLPREPARE,
SQL_API_SQLEXECDIRECT,
SQL_API_SQLPUTDATA,
SQL_API_SQLEXECUTE,
SQL_API_SQLROWCOUNT,
SQL_API_SQLFETCH,
SQL_API_SQLSETCONNECTATTR,
SQL_API_SQLFETCHSCROLL,
SQL_API_SQLSETCURSORNAME,
SQL_API_SQLFREEHANDLE,
SQL_API_SQLSETDESCFIELD,
SQL_API_SQLFREESTMT,
SQL_API_SQLSETDESCREC,
SQL_API_SQLGETCONNECTATTR,
SQL_API_SQLSETENVATTR,
SQL_API_SQLGETCURSORNAME,
SQL_API_SQLSETSTMTATTR,
SQL_API_SQLGETDATA,
SQL_API_SQLSETSCROLLOPTIONS,
SQL_API_SQLEXTENDEDFETCH, //Deprecated ODBC 1.0 call. Replaced by SQL_API_SQLFETCHSCROLL in ODBC 3.0
// The following is a list of valid values for FunctionId for functions conforming to the X/Open standards - compliance level,,
SQL_API_SQLCOLUMNS,
SQL_API_SQLSTATISTICS,
SQL_API_SQLSPECIALCOLUMNS,
SQL_API_SQLTABLES,
//The following is a list of valid values for FunctionId for functions conforming to the ODBC standards - compliance level,,
SQL_API_SQLBINDPARAMETER,
SQL_API_SQLNATIVESQL,
SQL_API_SQLBROWSECONNECT,
SQL_API_SQLNUMPARAMS,
SQL_API_SQLBULKOPERATIONS,
SQL_API_SQLPRIMARYKEYS,
SQL_API_SQLCOLUMNPRIVILEGES,
SQL_API_SQLPROCEDURECOLUMNS,
SQL_API_SQLDESCRIBEPARAM,
SQL_API_SQLPROCEDURES,
SQL_API_SQLDRIVERCONNECT,
SQL_API_SQLSETPOS,
SQL_API_SQLFOREIGNKEYS,
SQL_API_SQLTABLEPRIVILEGES,
SQL_API_SQLMORERESULTS,
};
enum InfoType { infoNone, infoString, infoShort, infoLong, infoUnsupported };
struct TblInfoItem
{
int item;
#ifdef DEBUG
const char *name;
#endif
InfoType type;
const char *value;
};
#ifdef DEBUG
#define CITEM(item,value) {item, #item, infoString, value},
#define SITEM(item,value) {item, #item, infoShort, (char*) value},
#define NITEM(item,value) {item, #item, infoLong, (char*) value},
#define UITEM(item,value) {item, #item, infoUnsupported, (char*) value},
#define LAST_ITEM { 0, NULL, infoNone, NULL }
#else
#define CITEM(item,value) {item, infoString, value},
#define SITEM(item,value) {item, infoShort, (char*) value},
#define NITEM(item,value) {item, infoLong, (char*) value},
#define UITEM(item,value) {item, infoUnsupported, (char*) value},
#define LAST_ITEM { 0, infoNone, NULL }
#endif
static const TblInfoItem tblInfoItems [] = {
#include "InfoItems.h"
LAST_ITEM
};
struct InfoItem
{
#ifdef DEBUG
const char *name;
#endif
InfoType type;
const char *value;
};
#define INFO_SLOT(n) ((n < 10000) ? n : n - 10000 + 200)
#define INFO_SLOTS 400
static SQLUSMALLINT functionsArray [100];
static SQLSMALLINT functionsBitmap [SQL_API_ODBC3_ALL_FUNCTIONS_SIZE];
static bool moduleInit();
static InfoItem infoItems [INFO_SLOTS];
static bool foo = moduleInit();
/***
#define SQL_FUNC_EXISTS(pfExists, uwAPI) \
((*(((UWORD*) (pfExists)) + ((uwAPI) >> 4)) \
& (1 << ((uwAPI) & 0x000F)) \
) ? SQL_TRUE : SQL_FALSE \
***/
bool moduleInit()
{
for (unsigned int n = 0; n < sizeof (supportedFunctions) / sizeof (supportedFunctions [0]); ++n)
{
int fn = supportedFunctions [n];
if ( fn < 100 )
{
//
// SQL_API_ALL_FUNCTIONS is used by an ODBC 2.x application
// to determine support of ODBC 2.x and earlier functions
//
// where functionsArray should be 100 elements
//
functionsArray [fn] = SQL_TRUE;
}
ASSERT ((fn >> 4) < SQL_API_ODBC3_ALL_FUNCTIONS_SIZE);
functionsBitmap [fn >> 4] |= 1 << (fn & 0xf);
}
for (const TblInfoItem *t = tblInfoItems; t->type; ++t)
{
int slot = INFO_SLOT (t->item);
ASSERT (slot >= 0 && slot < INFO_SLOTS);
InfoItem *item = infoItems + slot;
#ifdef DEBUG
ASSERT (item->name == NULL);
item->name = t->name;
#endif
item->type = t->type;
item->value = t->value;
}
bool test = SQL_FUNC_EXISTS (functionsBitmap, SQL_API_SQLALLOCHANDLE);
return test;
}
static int getDriverBuildKey()
{
return MAJOR_VERSION * 1000000 + MINOR_VERSION * 10000 + BUILDNUM_VERSION;
}
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
OdbcConnection::OdbcConnection(OdbcEnv *parent)
{
env = parent;
connected = false;
safeThread = true;
levelBrowseConnect = 0;
databaseAccess = OPEN_DB;
connectionTimeout = 0;
connection = NULL;
statements = NULL;
descriptors = NULL;
userEvents = NULL;
asyncEnabled = SQL_ASYNC_ENABLE_OFF;
autoCommit = true;
cursors = SQL_CUR_USE_DRIVER; //Org
statementNumber = 0;
accessMode = SQL_MODE_READ_WRITE;
transactionIsolation = SQL_TXN_READ_COMMITTED; //suggested by CGA.
optTpb = 0;
defOptions = 0;
dialect3 = true;
quotedIdentifier = true;
sensitiveIdentifier = false;
autoQuotedIdentifier = false;
userEventsInterfase = NULL;
charsetCode = 0; // NONE
enableCompatBind = true;
setCompatBindStr = NULL;
enableWireCompression = false;
#ifdef _WINDOWS
#if _MSC_VER > 1000
enlistConnect = false;
#endif // _MSC_VER > 1000
WcsToMbs = _WcsToMbs;
MbsToWcs = _MbsToWcs;
#else
WcsToMbs = wcstombs;
MbsToWcs = mbstowcs;
#endif // _WINDOWS
}
OdbcConnection::~OdbcConnection()
{
releaseObjects();
}
void OdbcConnection::releaseObjects()
{
if ( userEvents )
userEvents->release();
if ( userEventsInterfase )
delete userEventsInterfase;
while ( statements )
{
OdbcStatement* statement = statements;
statements = (OdbcStatement*)statement->next;
delete statement;
}
while ( descriptors )
{
OdbcDesc* descriptor = descriptors;
descriptors = (OdbcDesc*)descriptor->next;
delete descriptor;
}
if ( connection )
connection->close();
if ( env )
env->connectionClosed (this);
}
OdbcConnection* OdbcConnection::getConnection()
{
return this;
}
OdbcObjectType OdbcConnection::getType()
{
return odbcTypeConnection;
}
SQLRETURN OdbcConnection::sqlSetConnectAttr( SQLINTEGER attribute, SQLPOINTER value, SQLINTEGER stringLength )
{
clearErrors();
switch ( attribute )
{
#ifdef _WINDOWS
#if _MSC_VER > 1000
case 1207: // SQL_ENLIST_IN_DTC Enlist connection in the DTC transaction
if ( !IsInstalledMsTdsInterface() )
{
return sqlReturn( SQL_ERROR,
"IM001",
"Unable start DTC transaction : library 'xolehlp.dll' failed to load" );
}
enlistTransaction( value );
autoCommit = false;
if ( connection )
connection->setAutoCommit( autoCommit );
break;
#endif // _MSC_VER > 1000
#endif
case SQL_ATTR_ANSI_APP:
if ( (intptr_t) value == SQL_AA_FALSE )
return sqlReturn (SQL_ERROR, "IM001", "Driver does not support this function");
break;
case SQL_ATTR_HANDLE_DBC_SHARE: // 4000
if (connection)
{
if ( (intptr_t) value )
connection->connectionToEnvShare();
else
connection->connectionFromEnvShare();
}
break;
case SQL_ATTR_LOGIN_TIMEOUT:
connectionTimeout = (intptr_t) value;
break;
case SQL_ATTR_AUTOCOMMIT:
autoCommit = (intptr_t) value == SQL_AUTOCOMMIT_ON;
if (connection)
connection->setAutoCommit (autoCommit);
break;
case SQL_ATTR_ODBC_CURSORS:
cursors = (intptr_t) value;
break;
//Added by CA
case SQL_ATTR_TXN_ISOLATION:
transactionIsolation = (intptr_t)value;
if ( connection )
connection->setTransactionIsolation( (intptr_t) value );
break;
//Added by CA
case SQL_ATTR_ASYNC_ENABLE:
asyncEnabled = (intptr_t) value;
break;
case SQL_ATTR_ACCESS_MODE:
accessMode = (intptr_t)value;
break;
case SQL_FB_INIT_EVENTS:
if ( !connection )
return sqlReturn( SQL_ERROR, "08003", "Connection does not exist" );
if ( stringLength != sizeof ( ODBC_EVENTS_BLOCK_INFO ) )
return sqlReturn( SQL_ERROR, "01S02", "Option value changed" );
initUserEvents( (PODBC_EVENTS_BLOCK_INFO)value );
break;
case SQL_FB_UPDATECOUNT_EVENTS:
if ( !connection )
return sqlReturn( SQL_ERROR, "08003", "Connection does not exist" );
if ( !userEventsInterfase )
return sqlReturn( SQL_ERROR, "01S02", "Option value changed" );
updateResultEvents( (char*)value );
break;
case SQL_FB_REQUEUE_EVENTS:
if ( !userEventsInterfase )
return sqlReturn( SQL_ERROR, "01S02", "Option value changed" );
requeueEvents();
break;
}
return sqlSuccess();
}
SQLRETURN OdbcConnection::sqlDriverConnect(SQLHWND hWnd, const SQLCHAR * connectString, int connectStringLength, SQLCHAR * outConnectBuffer, int connectBufferLength, SQLSMALLINT * outStringLength, int driverCompletion)
{
clearErrors();
if (connected)
return sqlReturn (SQL_ERROR, "08002", "Connection name is use");
if (connectStringLength < 0 && connectStringLength != SQL_NTS)
return sqlReturn (SQL_ERROR, "HY090", "Invalid string or buffer length");
switch (driverCompletion)
{
case SQL_DRIVER_COMPLETE:
case SQL_DRIVER_COMPLETE_REQUIRED:
break;
case SQL_DRIVER_PROMPT:
if (hWnd == NULL)
return sqlReturn (SQL_ERROR, "HY092", "Invalid attribute/option identifier");
break;
}
int length = stringLength (connectString, connectStringLength);
const char *end = (const char*) connectString + length;
JString driver = DRIVER_FULL_NAME;
for (const char *p = (const char*) connectString; p < end;)
{
char name [256];
char value [256];
int nameLength;
char *q = name;
char c;
while (p < end && (c = *p++) && c != '=' && c != ';')
*q++ = c;
*q = 0;
nameLength = q - name;
if ( !nameLength )
continue;
q = value;
if (c == '=')
{
char term = ';';
while (p < end && *p == ' ') p++;
if (*p == '{')
{
term = '}';
p++;
}
while (p < end && (c = *p++) != term)
*q++ = c;
if (term != ';')
while (p < end && (c = *p++) != ';');
}
*q = 0;
# define IS_KEYWORD(keyword) \
( nameLength == LEN_KEY( keyword ) && !strncasecmp( name, keyword, LEN_KEY( keyword ) ) )
if ( IS_KEYWORD( SETUP_DSN ) )
dsn = value;
else if ( IS_KEYWORD( SETUP_DESCRIPTION ) )
description = value;
else if ( IS_KEYWORD( KEY_FILEDSN ) )
filedsn = value;
else if ( IS_KEYWORD( KEY_SAVEDSN ) )
savedsn = value;
else if ( IS_KEYWORD( KEY_DSN_DATABASE ) || IS_KEYWORD( SETUP_DBNAME ) )
databaseName = value;
else if ( IS_KEYWORD( SETUP_DBNAMEALWAYS ) || IS_KEYWORD( KEY_DSN_CREATE_DB ) )
{
databaseName = value;
databaseAccess = CREATE_DB;
}
else if ( IS_KEYWORD( KEY_DSN_DROP_DB ) )
{
databaseName = value;
databaseAccess = DROP_DB;
}
else if ( IS_KEYWORD( SETUP_PAGE_SIZE ) )
pageSize = value;
else if ( IS_KEYWORD( SETUP_TIMEOUT ) )
connectionTimeout = atoi( value );
else if ( IS_KEYWORD( SETUP_CLIENT ) )
client = value;
else if ( IS_KEYWORD( KEY_DSN_UID ) || IS_KEYWORD( SETUP_USER ) )
account = value;
else if ( IS_KEYWORD( KEY_DSN_PWD ) || IS_KEYWORD( SETUP_PASSWORD ) )
{
if ( strlen(value) > 40 )
{
char buffer[256];
CSecurityPassword security;
security.decode( value, buffer );
password = buffer;
}
else
password = value;
}
else if ( IS_KEYWORD( SETUP_ROLE ) )
role = value;
else if ( IS_KEYWORD( KEY_DSN_CHARSET ) || IS_KEYWORD( SETUP_CHARSET ) )
charset = value;
else if ( IS_KEYWORD( SETUP_DRIVER ) )
driver = value;
else if ( IS_KEYWORD( KEY_DSN_JDBC_DRIVER ) || IS_KEYWORD( SETUP_JDBC_DRIVER ) )
jdbcDriver = value;
else if ( IS_KEYWORD( SETUP_READONLY_TPB ) )
{
if( *value == 'Y')
optTpb |=TRA_ro;
defOptions |= DEF_READONLY_TPB;
}
else if ( IS_KEYWORD( SETUP_DIALECT ) )
{
if( *value == '1')
dialect3 = false;
defOptions |= DEF_DIALECT;
}
else if ( IS_KEYWORD( SETUP_NOWAIT_TPB ) )
{
if( *value == 'Y')
optTpb |=TRA_nw;
defOptions |= DEF_NOWAIT_TPB;
}
else if ( IS_KEYWORD( KEY_DSN_QUOTED ) || IS_KEYWORD( SETUP_QUOTED ) )
{
if( *value == 'N')
quotedIdentifier = false;
defOptions |= DEF_QUOTED;
}
else if ( IS_KEYWORD( KEY_DSN_SENSITIVE ) || IS_KEYWORD( SETUP_SENSITIVE ) )
{
if( *value == 'Y')
sensitiveIdentifier = true;
defOptions |= DEF_SENSITIVE;
}
else if ( IS_KEYWORD( KEY_DSN_AUTOQUOTED ) || IS_KEYWORD( SETUP_AUTOQUOTED ) )
{
if( *value == 'Y')
autoQuotedIdentifier = true;
defOptions |= DEF_AUTOQUOTED;
}
else if ( IS_KEYWORD( KEY_DSN_USESCHEMA ) || IS_KEYWORD( SETUP_USESCHEMA ) )
useSchemaIdentifier = value;
else if ( IS_KEYWORD( KEY_DSN_LOCKTIMEOUT ) || IS_KEYWORD( SETUP_LOCKTIMEOUT ) )
useLockTimeoutWaitTransactions = value;
else if ( IS_KEYWORD( KEY_DSN_SAFETHREAD ) || IS_KEYWORD( SETUP_SAFETHREAD ) )
{
if( *value == 'N')
safeThread = false;
defOptions |= DEF_SAFETHREAD;
}
else if ( IS_KEYWORD( SETUP_SET_COMPAT_BIND ) || IS_KEYWORD( KEY_DSN_SETCOMPATBIND ) )
setCompatBindStr = value;
else if ( IS_KEYWORD(SETUP_ENABLE_COMPAT_BIND) || IS_KEYWORD( KEY_DSN_ENABLECOMPATBIND ) )
{
if (*value == 'N')
enableCompatBind = false;
defOptions |= DEF_COMPATMODE;
}
else if (IS_KEYWORD(SETUP_ENABLE_WIRECOMPRESSION) || IS_KEYWORD(KEY_DSN_ENABLEWIRECOMPRESSION))
{
if (*value == 'N')
enableWireCompression = false;
defOptions |= DEF_WIRECOMPRESSION;
}
else if ( IS_KEYWORD( "ODBC" ) )
;
else
postError ("01S00", "Invalid connection string attribute");
}
expandConnectParameters();
char returnString [1024], *r = returnString;
*r = '\0';
if (!dsn.IsEmpty())
{
r = appendString (r, SETUP_DSN"=");
r = appendString (r, dsn);
}
if (!driver.IsEmpty())
{
if ( r > returnString )
r = appendString (r, ";" SETUP_DRIVER"=");
else
r = appendString (r, SETUP_DRIVER"=");
r = appendString (r, driver);
}
if (!databaseName.IsEmpty())
{
r = appendString (r, ";" SETUP_DBNAME"=");
r = appendString (r, databaseName);
}
if (!charset.IsEmpty())
{
r = appendString (r, ";" KEY_DSN_CHARSET"=");
r = appendString (r, charset);
}
#ifdef _WINDOWS
if ( driverCompletion != SQL_DRIVER_NOPROMPT
&& ( account.IsEmpty() || password.IsEmpty() ) )
{
CConnectDialog dlg;
dlg.m_user = account;
dlg.m_password = password;
dlg.m_role = role;
if ( IDOK != dlg.DoModal() )
{
postError ("28000", "Invalid authorization specification");
return SQL_ERROR;
}
account = dlg.m_user;
password = dlg.m_password;
role = dlg.m_role;
}
#endif // _WINDOWS
SQLRETURN ret = connect (jdbcDriver, databaseName, account, password, role, charset);
if (ret != SQL_SUCCESS && ret != SQL_SUCCESS_WITH_INFO)
return ret;
if ( levelBrowseConnect )
levelBrowseConnect = 0;
if ( outConnectBuffer && connectBufferLength )
{
if (!password.IsEmpty())
{
r = appendString (r, ";" KEY_DSN_PWD"=");
if ( connection->getUseAppOdbcVersion() == SQL_OV_ODBC3 )
{
char buffer[256];
CSecurityPassword security;
security.encode( (char*)(const char *)password, buffer );
r = appendString (r, buffer);
}
else
r = appendString (r, password);
}
if (!account.IsEmpty())
{
r = appendString (r, ";" KEY_DSN_UID"=");
r = appendString (r, account);
}
if (!role.IsEmpty())
{
r = appendString (r, ";" SETUP_ROLE"=");
r = appendString (r, role);
}
if (!client.IsEmpty())
{
r = appendString (r, ";" SETUP_CLIENT"=");
r = appendString (r, client);
}
if (!filedsn.IsEmpty())
{
r = appendString (r, ";" KEY_FILEDSN"=");
r = appendString (r, filedsn);
}
*r++ = ';';
*r = '\0';
if (setString ((UCHAR*) returnString, r - returnString, outConnectBuffer, connectBufferLength, outStringLength))
postError ("01004", "String data, right truncated");
}
if (!savedsn.IsEmpty())
saveConnectParameters();
return sqlSuccess();
}
SQLRETURN OdbcConnection::sqlBrowseConnect(SQLCHAR * inConnectionString, SQLSMALLINT stringLength1,
SQLCHAR * outConnectionString, SQLSMALLINT bufferLength,
SQLSMALLINT * stringLength2Ptr)
{
bool bFullConnectionString = false;
clearErrors();
if ( !levelBrowseConnect && connected)
return sqlReturn (SQL_ERROR, "08002", "Connection name is use");
if (stringLength1 < 0 && stringLength1 != SQL_NTS)
return sqlReturn (SQL_ERROR, "HY090", "Invalid string or buffer length");
int length = stringLength (inConnectionString, stringLength1);
const char *end = (const char*) inConnectionString + length;
JString driver = DRIVER_FULL_NAME;
levelBrowseConnect = 0;
for (const char *p = (const char*) inConnectionString; p < end;)
{
char name [256];
char value [256];
char *q = name;
char c;
while (p < end && ((c = *p),c == ' ' || c == '*'))
++p;
while (p < end && (c = *p++),c != '=' && c != ';')
*q++ = c;
*q = 0;
q = value;
if (c == '=')
while (p < end && (c = *p++) != ';')
*q++ = c;
*q = 0;
if (!strncasecmp (name, "DSN", 3))
{
if (dsn != (const char *)value)
{
dsn = value;
levelBrowseConnect = 1;
break;
}
}
else if (!strncasecmp (name, "DRIVER", 6))
{
if (driver != (const char *)value)
{
driver = value;
levelBrowseConnect = 1;
break;
}
}
else if (!strncasecmp (name, "JDBC_DRIVER", 11))
{
if (jdbcDriver != (const char *)value)
{
jdbcDriver = value;
levelBrowseConnect = 1;
break;
}
}
else if (!strncasecmp (name, "DBNAME", 6))
{
levelBrowseConnect = 3;
databaseName = value;
bFullConnectionString = true;
}
else if (!strncasecmp (name, "UID", 3))
{
account = value;
levelBrowseConnect = 2;
}
else if (!strncasecmp (name, "PWD", 3))
{
password = value;
levelBrowseConnect = 2;
}
else if (!strncasecmp (name, "ROLE", 4))
{
role = value;
levelBrowseConnect = 2;
}
else if (!strncasecmp (name, "CHARSET", 7))
{
charset = value;
levelBrowseConnect = 2;
}
else if (!strncasecmp (name, "ODBC", 4))
;
else
postError ("01S00", "Invalid connection string attribute");
}
if( levelBrowseConnect == 1 )
expandConnectParameters();
char returnString [1024], *r = returnString;
*r = '\0';
switch ( levelBrowseConnect )
{
case 1:
r = appendString (r, "*ROLE=");
if (!role.IsEmpty())
r = appendString (r, role);
else
r = appendString (r, "?");
r = appendString (r, "*CHARSET=");
if (!charset.IsEmpty())
r = appendString (r, charset);
else
r = appendString (r, "?");
r = appendString (r, ";UID=");
if (!account.IsEmpty())
r = appendString (r, account);
else
r = appendString (r, "?");
r = appendString (r, ";PWD=");
if (!password.IsEmpty())
r = appendString (r, password);
else
r = appendString (r, "?");
break;
case 2:
r = appendString (r, "DBNAME=");
if (!databaseName.IsEmpty())
r = appendString (r, databaseName);
else
r = appendString (r, "?");
break;
case 3:
if (!dsn.IsEmpty())
{
r = appendString (r, "DSN=");
r = appendString (r, dsn);
}
if (!driver.IsEmpty())
{
r = appendString (r, ";DRIVER=");
r = appendString (r, driver);
}
if (!role.IsEmpty())
{
r = appendString (r, ";ROLE=");
r = appendString (r, role);
}
if (!charset.IsEmpty())
{
r = appendString (r, ";CHARSET=");
r = appendString (r, charset);
}
if (!account.IsEmpty())
{
r = appendString (r, ";UID=");
r = appendString (r, account);
}
if (!password.IsEmpty())
{
r = appendString (r, ";PWD=");
r = appendString (r, password);
}
if (!databaseName.IsEmpty())
{
r = appendString (r, ";DBNAME=");
r = appendString (r, databaseName);
}
break;
}
if ( outConnectionString && bufferLength )
{
if (setString ((UCHAR*) returnString, r - returnString, outConnectionString, bufferLength, stringLength2Ptr))
postError ("01004", "String data, right truncated");
}
if ( bFullConnectionString == false )
return SQL_NEED_DATA;
else
{
SQLRETURN ret = connect (jdbcDriver, databaseName, account, password, role, charset);
if (ret != SQL_SUCCESS && ret != SQL_SUCCESS_WITH_INFO)
return ret;
}
return sqlSuccess();
}
SQLRETURN OdbcConnection::sqlNativeSql( SQLCHAR * inStatementText, SQLINTEGER textLength1,
SQLCHAR * outStatementText, SQLINTEGER bufferLength,
SQLINTEGER * textLength2Ptr )