| /**********************************************************************
|
| // @@@ START COPYRIGHT @@@ |
| // |
| // 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. |
| // |
| // @@@ END COPYRIGHT @@@ |
| ********************************************************************/
|
| /**************************************************************************
|
| **************************************************************************/
|
| //
|
| //
|
|
|
| #include "lob.h"
|
| #include "cconnect.h"
|
| #include "cstmt.h"
|
|
|
| namespace ODBC {
|
| IDL_long getLobLength(CConnect *m_ConnectHandle, SQLHANDLE InputHandle, IDL_string lobHandle, IDL_long lobHandleLen)
|
| {
|
| SQLHSTMT hstmt;
|
| m_ConnectHandle->AllocHandle(SQL_HANDLE_STMT, InputHandle, &hstmt);
|
|
|
| IDL_long totalLength;
|
| BYTE * data;
|
| CStmt *pStatement = (CStmt *)hstmt;
|
| pStatement->ExtractLob(0,
|
| lobHandle, lobHandleLen, totalLength, data);
|
| pStatement->Close(SQL_CLOSE);
|
| return totalLength;
|
| }
|
|
|
| bool getLobData(CConnect *m_ConnectHandle, SQLHANDLE InputHandle, IDL_string lobHandle, IDL_long lobHandleLen, SQLPOINTER target, IDL_long &length)
|
| {
|
| SQLHSTMT hstmt;
|
| m_ConnectHandle->AllocHandle(SQL_HANDLE_STMT, InputHandle, &hstmt);
|
|
|
| IDL_long totalLength = 0;
|
| BYTE * data;
|
| CStmt *pStatement = (CStmt *)hstmt;
|
| IDL_long extractLen = length;
|
|
|
| IDL_string lobHandleTemp = (IDL_string)malloc(lobHandleLen + 1);
|
| memset(lobHandleTemp, 0, lobHandleLen + 1);
|
| memcpy(lobHandleTemp, lobHandle, lobHandleLen);
|
|
|
| if (pStatement->ExtractLob(1,
|
| lobHandleTemp, lobHandleLen + 1, extractLen, data) != SQL_SUCCESS)
|
| {
|
| pStatement->Close(SQL_CLOSE);
|
| free(lobHandleTemp);
|
| lobHandleTemp = NULL;
|
|
|
| return false;
|
| }
|
|
|
| if (length > extractLen)
|
| {
|
| memcpy(target, data, extractLen);
|
| length = extractLen;
|
| }
|
| else
|
| {
|
| length = 0;
|
| }
|
|
|
| pStatement->Close(SQL_CLOSE);
|
| free(lobHandleTemp);
|
| lobHandleTemp = NULL;
|
|
|
| return true;
|
| }
|
|
|
| } |
