On 12-03-22 12:34 PM, Jay Blanchard wrote:
Sorry, I just realized I didn't make the optimization explicitly
obvious... when I say "Select the children" I mean to select them
using an IN( id1, id2, id3 ) clause instead of a query for each. This
is why we build the array of parent IDs (also I wrote build an array
of "child IDs", it should have read "parent IDs" and has been fixed
SELECT DISTINCT children FROM table WHERE column1 IN(id1, id2, id3....) ?
I am sure I am not following you now. Maybe I didn't explain clearly?
What's the field for which you are selecting data? I've written this up
as a parent/child relationship but it works for data/sub-data
SELECT itemId, otherData FROM table WHERE "some condition";
SELECT itemId, subData FROM otherTable WHERE itemId IN (id1, id2, ...);
Then just link up the sub-data to the primary data in a loop and finally
generate your JSON.
Does that clarify?
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