I looked this over and it looks good in general.  I was only wondering
about for single-column indexes -- we're storing attribute numbers too,
No, GinState->oneCol field signals to GinFormTuple and gin_index_getattr/gintuple_get_attrnum about actual storage.

Single column index is binary compatible with current index :)

Teodor Sigaev                                   E-mail: [EMAIL PROTECTED]
                                                   WWW: http://www.sigaev.ru/

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