Description:
Copy a local in-memory table onto nodes to create a duplicate cluster in-memory table.
Syntax:
T.dup(h)
Note:
The function copies local in-memory table T onto node or node sequence h to create a duplicate cluster in-memory table. The memory footprints will be cleaned up once T.close() is executed.
Parameter:
|
T |
A local in-memory table |
|
h |
A node or a node sequence |
Return value:
A duplicate cluster in-memory table
Example:
|
|
A |
|
|
1 |
=demo.cursor("select EID,NAME,GENDER,SALARY from EMPLOYEE where EID<10") |
|
|
2 |
=A1.memory() |
Generate a local in-memory table. |
|
3 |
=A2.dup("169.254.121.62:8281","192.168.31.165:8281") |
Copy the local in-memory table into a duplicate cluster in-memory table. |