This is an automated email from the ASF dual-hosted git repository.
ericpai pushed a commit to branch new_mpp
in repository https://gitbox.apache.org/repos/asf/iotdb.git
The following commit(s) were added to refs/heads/new_mpp by this push:
new b3e564a [To_new_mpp] add common classes & thrift files (#5239)
b3e564a is described below
commit b3e564a1fb715a8a56a8bb4fcda379d7f64dec16
Author: Zhong Wang <[email protected]>
AuthorDate: Tue Mar 15 16:14:08 2022 +0800
[To_new_mpp] add common classes & thrift files (#5239)
---
.../java/org/apache/iotdb/mpp/common/ITSBlock.java | 45 ++++++++++++++++++++++
.../apache/iotdb/mpp/common/TsBlockMetadata.java | 22 +++++++++++
thrift/src/main/thrift/common.thrift | 27 +++++++++++++
3 files changed, 94 insertions(+)
diff --git a/server/src/main/java/org/apache/iotdb/mpp/common/ITSBlock.java
b/server/src/main/java/org/apache/iotdb/mpp/common/ITSBlock.java
new file mode 100644
index 0000000..449e0fc
--- /dev/null
+++ b/server/src/main/java/org/apache/iotdb/mpp/common/ITSBlock.java
@@ -0,0 +1,45 @@
+/*
+ * 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.iotdb.mpp.common;
+
+import org.apache.iotdb.tsfile.read.common.RowRecord;
+
+/**
+ * Intermediate result for most of ExecOperators. The TsBlock contains data
from one or more columns
+ * and constructs them as a row based view The columns can be series,
aggregation result for one
+ * series or scalar value (such as deviceName). The TsBlock also contains the
metadata to describe
+ * the columns.
+ */
+public class ITSBlock {
+
+ private TsBlockMetadata metadata;
+
+ public boolean hasNext() {
+ return false;
+ }
+
+ public RowRecord getNext() {
+ return null;
+ }
+
+ public TsBlockMetadata getMetadata() {
+ return metadata;
+ }
+}
diff --git
a/server/src/main/java/org/apache/iotdb/mpp/common/TsBlockMetadata.java
b/server/src/main/java/org/apache/iotdb/mpp/common/TsBlockMetadata.java
new file mode 100644
index 0000000..ed7680f
--- /dev/null
+++ b/server/src/main/java/org/apache/iotdb/mpp/common/TsBlockMetadata.java
@@ -0,0 +1,22 @@
+/*
+ * 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.iotdb.mpp.common;
+
+public class TsBlockMetadata {}
diff --git a/thrift/src/main/thrift/common.thrift
b/thrift/src/main/thrift/common.thrift
new file mode 100644
index 0000000..967deed
--- /dev/null
+++ b/thrift/src/main/thrift/common.thrift
@@ -0,0 +1,27 @@
+/*
+ * 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.
+ */
+
+namespace java org.apache.iotdb.mpp.common.rpc.thrift
+
+
+struct FragmentInstanceID {
+ 1: required string queryID
+ 2: required string fragmentID
+ 3: required string instanceID
+}
