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| author | Robert Gemmell <robbie@apache.org> | 2015-06-25 10:22:51 +0000 |
|---|---|---|
| committer | Robert Gemmell <robbie@apache.org> | 2015-06-25 10:22:51 +0000 |
| commit | 32ae758bc2e8fd962b66a4ab6341b14009f1907e (patch) | |
| tree | 2f4d8174813284a6ea58bb6b7f6520aa92287476 /qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp | |
| parent | 116d91ad7825a98af36a869fc751206fbce0c59f (diff) | |
| parent | f7e896076143de4572b4f1f67ef0765125f2498d (diff) | |
| download | qpid-python-32ae758bc2e8fd962b66a4ab6341b14009f1907e.tar.gz | |
NO-JIRA: create branch for qpid-cpp 0.34 RC process
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/qpid-cpp-0.34-rc@1687469 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp')
| -rw-r--r-- | qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp b/qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp new file mode 100644 index 0000000000..1309d921a9 --- /dev/null +++ b/qpid/cpp/src/qpid/store/ms-sql/TplRecordset.cpp @@ -0,0 +1,128 @@ +/*
+ *
+ * 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.
+ *
+ */
+
+#include <string>
+#include <qpid/Exception.h>
+#include <qpid/log/Statement.h>
+
+#include "TplRecordset.h"
+#include "BlobEncoder.h"
+#include "DatabaseConnection.h"
+#include "VariantHelper.h"
+
+namespace {
+inline void TESTHR(HRESULT x) {if FAILED(x) _com_issue_error(x);};
+}
+
+namespace qpid {
+namespace store {
+namespace ms_sql {
+
+void
+TplRecordset::open(DatabaseConnection* conn, const std::string& table)
+{
+ init(conn, table);
+ // Don't actually open until we know what to do. It's far easier and more
+ // efficient to simply do most of these TPL/xid ops in a single statement.
+}
+
+void
+TplRecordset::add(const std::string& xid)
+{
+ const std::string command =
+ "INSERT INTO " + tableName + " ( xid ) VALUES ( ? )";
+ _CommandPtr cmd = NULL;
+ _ParameterPtr xidVal = NULL;
+
+ TESTHR(cmd.CreateInstance(__uuidof(Command)));
+ TESTHR(xidVal.CreateInstance(__uuidof(Parameter)));
+ _ConnectionPtr p = *dbConn;
+ cmd->ActiveConnection = p;
+ cmd->CommandText = command.c_str();
+ cmd->CommandType = adCmdText;
+ xidVal->Name = "@xid";
+ xidVal->Type = adVarBinary;
+ xidVal->Size = xid.length();
+ xidVal->Direction = adParamInput;
+ xidVal->Value = BlobEncoder(xid);
+ cmd->Parameters->Append(xidVal);
+ cmd->Execute(NULL, NULL, adCmdText | adExecuteNoRecords);
+}
+
+void
+TplRecordset::remove(const std::string& xid)
+{
+ // Look up the item by its xid
+ const std::string command =
+ "DELETE FROM " + tableName + " WHERE xid = ?";
+ _CommandPtr cmd = NULL;
+ _ParameterPtr xidVal = NULL;
+
+ TESTHR(cmd.CreateInstance(__uuidof(Command)));
+ TESTHR(xidVal.CreateInstance(__uuidof(Parameter)));
+ _ConnectionPtr p = *dbConn;
+ cmd->ActiveConnection = p;
+ cmd->CommandText = command.c_str();
+ cmd->CommandType = adCmdText;
+ xidVal->Name = "@xid";
+ xidVal->Type = adVarBinary;
+ xidVal->Size = xid.length();
+ xidVal->Direction = adParamInput;
+ xidVal->Value = BlobEncoder(xid);
+ cmd->Parameters->Append(xidVal);
+ _variant_t deletedRecords;
+ cmd->Execute(&deletedRecords, NULL, adCmdText | adExecuteNoRecords);
+}
+
+void
+TplRecordset::recover(std::set<std::string>& xids)
+{
+ openRs();
+ if (rs->BOF && rs->EndOfFile)
+ return; // Nothing to do
+ rs->MoveFirst();
+ while (!rs->EndOfFile) {
+ _variant_t wxid = rs->Fields->Item["xid"]->Value;
+ char *xidBytes;
+ SafeArrayAccessData(wxid.parray, (void **)&xidBytes);
+ std::string xid(xidBytes, rs->Fields->Item["xid"]->ActualSize);
+ xids.insert(xid);
+ SafeArrayUnaccessData(wxid.parray);
+ rs->MoveNext();
+ }
+}
+
+void
+TplRecordset::dump()
+{
+ Recordset::dump();
+ if (rs->EndOfFile && rs->BOF) // No records
+ return;
+
+ rs->MoveFirst();
+ while (!rs->EndOfFile) {
+ _bstr_t wxid = rs->Fields->Item["xid"]->Value;
+ QPID_LOG(notice, " -> " << (const char *)wxid);
+ rs->MoveNext();
+ }
+}
+
+}}} // namespace qpid::store::ms_sql
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