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  3. How to access fields inside table

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How to access fields inside table

Sandeep4386
Sandeep4386 over 13 years ago

I am having issue in accesing table fields.. 

Here is how I have created my table:

 Device_Asso_Table = makeTable("DeviceTable" 0)

 Device_Asso_Table[key]=list(inst~>name inst~>cellName inst~>libName count)

Key is nothing but a cell name.

 

When I print my table, it looks like below

("RPPOLY" ("R1" "RPPOLY" "csrN40" 0))

 Format is ("key"(inst~>name inst~>cellName inst~>libName count)) 

 Now I want to increment count based on certain conditions. How do I point to the field count?  

Any help will be appreciated. 

 

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  • Andrew Beckett
    Andrew Beckett over 13 years ago

    That's a bit odd - there's no need to search through all the keys with a foreach to find one that matches - the whole point of an association table is that it will find the entry with the same key. Quite probably the problem with the above code is that you're mixing item and key in the code - and so you're probably not updating the right structure.

    It should be enough to do:

    struct=Device_Asso_Table[inst~>cellName]
    if(struct then
      struct->count=struct->count+1
    else
      Device_Asso_Table[inst~>cellName]=make_whatever(?this ... ?that ... ?count 1)
    )

    No need for loops whatsoever.

    Regards,

    Andrew.

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  • Andrew Beckett
    Andrew Beckett over 13 years ago

    That's a bit odd - there's no need to search through all the keys with a foreach to find one that matches - the whole point of an association table is that it will find the entry with the same key. Quite probably the problem with the above code is that you're mixing item and key in the code - and so you're probably not updating the right structure.

    It should be enough to do:

    struct=Device_Asso_Table[inst~>cellName]
    if(struct then
      struct->count=struct->count+1
    else
      Device_Asso_Table[inst~>cellName]=make_whatever(?this ... ?that ... ?count 1)
    )

    No need for loops whatsoever.

    Regards,

    Andrew.

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