Description:
Generate a cluster in-memory table from a cluster cursor.
Syntax:
cs.memory(K,…)
Note:
According to cluster cursor cs, the function generates a cluster in-memory table that distributed the same way as cs and whose key is K. If cs is a cluster multicursor, load a series of cursors in order.
Parameter:
|
K |
The key; can be omitted |
|
cs |
A cluster cursor |
Return value:
A cluster in-memory table
Example:
|
|
A |
|
|
1 |
=file("test0.ctx","169.254.121.62:8281") |
Open a cluster file. |
|
2 |
=A1.open() |
Open a cluster table. |
|
3 |
=A2.attach(table) |
Retrieve cluster table table. |
|
4 |
=A3.cursor(NAME,GENDER;EID<6) |
Get NAME field and GENDER field where EID<6 from cluster table table and return them as a cursor. |
|
5 |
=A4.memory(GENDER) |
Generate a cluster in-memory table whose key is GENDER from a cluster cursor. |