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From caddmngr <>
Subject exclusions by query and many values
Date Tue, 07 Aug 2012 22:59:03 GMT
we have Solr docs for manufacturer parts, where each part is available from
100's of suppliers. those suppliers are stored within each Mfg part document
in a multi-field.

customers searching our parts by keyword against part titles and
descriptions, each have a unique list of what suppliers they are not allowed
to view. For example:

solr docs:
doc_id = 1, mfg_part = abc, suppliers = s1, s2, s3, s4, s5, s6, s7
doc_id = 2, mfg_part = def, suppliers = s4, s5, s6, s7
doc_id = 3, mfg_part = ghi, suppliers = s4
doc_id = 4, mfg_part = jkl, suppliers = s1, s2, s3, s4
doc_id = 5, mfg_part = mno, suppliers = s1, s2, s3, s5

customer A:  exclude suppliers: s4, s5, s6, s7
customer B:  exclude suppliers: s1, s2, s3, s4

when customer A searches, documents 2 & 3 should not be returned in any
result set
when customer B searches, documents 3 & 4 should not be returned in any
result set

one thought we have is to restructure our docs so that there is one doc per
supplier mfg part, instead of per mfg part, but the result would be an index
of 3000 times the size!!! Many of our mfg parts have 1000 or more suppliers.
Currently we shove exclude lists into the filter query, but its getting to
be quite

we haved looked at Solr "join" in Solr 4, but being this is a production
site generating millions of dollars per week, we cannot afford to use alpha
or beta versions of software.

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