> >> >>> Is that behaviour is correct? > >> > >> yes - access to n position means in postgresql - skip n-1 elements > > > > Hmmm... > > > > how many elements to be skipped here ? > > there are two independent stages: > > a) detoast - loading and decompression (complete array is detoasted) > b) access > > if you has very large arrays, then @a is significant There is a place to add PG_GETARG_ARRAY_P_SLICE. The code is just not done yet. -- Cédric Villemain +33 (0)6 20 30 22 52 http://2ndQuadrant.fr/ PostgreSQL: Support 24x7 - Développement, Expertise et Formation
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