xiaozhihong created IOTDB-4864:
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Summary: [template]Active templates should not be uninstalled
directly
Key: IOTDB-4864
URL: https://issues.apache.org/jira/browse/IOTDB-4864
Project: Apache IoTDB
Issue Type: Bug
Components: mpp-cluster
Affects Versions: 0.14.0-SNAPSHOT
Reporter: xiaozhihong
Assignee: Yukun Zhou
In 0.14.0 snapshot version，enter cli to execute sql about template.
During the execution process, the template in the active state can still be
uninstalled directly.
The SQL is:
{code:java}
create schema template t2 aligned (lat FLOAT encoding=Gorilla, lon FLOAT
encoding=Gorilla);{code}
{code:java}
create storage group root.sg1;
set schema template t2 to root.sg1.d2;
create timeseries of schema template on root.sg1.d2;
unset schema template t2 from root.sg1.d2;
show paths using schema template t2;{code}
Then Re-execute set and create operations:
{code:java}
IoTDB> set schema template t2 to root.sg1.d2;
Msg: The statement is executed successfully.
IoTDB> create timeseries of schema template on root.sg1.d2;
Msg: 326: Template is in use on root.sg1.d2
IoTDB> show paths using schema template t2
+-----------+
| paths|
+-----------+
|root.sg1.d2|
+-----------+
Total line number = 1
It costs 0.009s
IoTDB>
{code}
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