tool many-segment: use not TABLE_PAT_KEY
tool many-segment: use not TABLE_PAT_KEY

TABLE_PAT_KEY is optimized for reusing buffers.

naoa/groonga,kenhys/groonga,naoa/groonga,komainu8/groonga,groonga/groonga,kenhys/groonga,groonga/groonga,kenhys/groonga,komainu8/groonga,kenhys/groonga,komainu8/groonga,groonga/groonga,naoa/groonga,groonga/groonga,kenhys/groonga,kenhys/groonga,komainu8/groonga,groonga/groonga,kenhys/groonga,groonga/groonga,naoa/groonga,kenhys/groonga,groonga/groonga,naoa/groonga,groonga/groonga,komainu8/groonga,komainu8/groonga,naoa/groonga,naoa/groonga,komainu8/groonga,komainu8/groonga,naoa/groonga