[querier] introduce RepeatList class, used to optimize size of data returned for result set description When rql query has no ambiguity, we used to return the same description * N where N is the size of the result set. Returning RepeatList class avoid that multiplication. According to quick benchmark this improve performance for result set whose size is ~ > 50, has very small penalty for rset < 50, and in any case improve the size of data to be transfered over the network through pyro connection.

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function set_tab(tabname, cookiename) {

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    // set appropriate cookie

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    asyncRemoteExec('set_cookie', cookiename, tabname);

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    // trigger show + tabname event

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    trigger_load(tabname);

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}