Description:
Define a channel for each cursor according to a specified cursor.
Syntax:
cursor cs
cursor
…
cursor
Note:
The statement defines a channel for each cursor according to cursor cs (the value of the cursor cell is a channel), traverses cs to perform a calculation over the channel in the code block and write the result into the cell of cursor.
Parameter:
|
cs |
A cursor |
|
… |
A code block |
Return value:
Result set of channel
Example:
|
|
A |
B |
|
|
1 |
=to(100000).new(rand(1000):f1,rand(1000):f2).cursor() |
|
Generate a cursor. |
|
2 |
cursor A1 |
=A2.groups(f1:count(1)) |
Traverse cursor A1, calculate A2’s channel in B2’s code block and write the result to A2. |
|
3 |
cursor |
=A3.groups(f2:count(1)) |
Same as the above. |