No... they don't invove DB access.  Just memory.

Only the avp_db_XXX ops involve hitting the DB.

N.

On Wed, 16 Nov 2005 10:58:49 -0500, Ramin Nikaeen wrote
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>  
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> Valued Colleagues,
>  
> Do the avp_write and avp_pushto involve Database access operations?!
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> For example:
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>          avp_write("sip:22@10.1.10.60:5060", "s:callfwd");
>          avp_pushto("$ruri", "s:callfwd"); 
>  
> Does avp_write store the string “sip:22@10.1.10.43:5060” for “s:callfwd”
> in database and avp_pushto looks up the string related to “s:callfwd”
> from the database or is the information stored in memory?!
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> I want to avoid database access to ensure improved performance.
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> Thanks
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> ramin
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>