python - pytables: order of rows retrieved from a table with .where(condition) -

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i building large table (~10e9 rows) pytables. 2 of tables columns (say idx1 , idx2) indices. first index sorted. moreover, when creating table, inserting entries in order sorted idx1. want use .where query selecting data, make full use of indexing.

my question is: when iterate through rows .where iterator, there way guarantee output sorted idx1 column value? alternatively, can assume iterator return rows in order entered in? case far me, didn't want presume.

i tried looking in documentation, couldn't find on topic. know there itersorted method, not allow me use indexing; have emulate myself somehow.

many in advance suggestions


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