google app engine - GAE, searching multiple indexed fields -


i have gae entity in python 2.7 4 string fields. need search 4 string fields partial matches search operation. in terms of gae efficiency , cost overheads, best way create entity? is, 4 separate indexed fields or fifth combined indexed field (original 4 unindexed)?

appreciate links helpful resources.

update

first, first gae/python application - i'm learning lot here.

i don't have gae source code yet - thinking out of things have porting small application gae. upon further reading found gae not support substring matches -> implemented in sql operator on fields.

select * entity e.fld1 '%xxx%' ... etc.

however, dataset fixed, less 10,000 records. there reasonable way efficiently?


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