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Just where do you get those values from? My guess is you don't just make them up, and the user didn't enter them manually, so probably they're coming from somewhere in the database. So probably you can get the whole list using a reasonably simple query.

If at all possible, why not use a subquery, like:

SELECT * FROM my_table WHERE col_1 IN (select id from something) AND col_2 IN (select id from something_else)
where something and something_else represent the query you used to get at that list.

If it's not that simple, at worst you can first create temporary table with the values you're looking for in one column.

p.s. It's possible that using an inner join, even on a subselect, is faster. Just test it.

SELECT * FROM my_table INNER JOIN (select col_1 from something) A USING (col_1) INNER JOIN (select col_2 from something_else) B USING (col_2)

(n.b. "USING(col1,col2)" is like "ON A.col_1=B.col_1 AND A.col_2 = B.col_2" except the "*" will pick up the column name(s) only once.)


In reply to Re: SQLite and large number of parameters by bart
in thread SQLite and large number of parameters by menth0l

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