Logical Tape Set: lazily allocate read buffer. The write buffer was already lazily-allocated, so this is more symmetric. It also means that a freshly-rewound tape (whether for reading or writing) is not consuming memory for the buffer. Discussion: https://postgr.es/m/97c46a59c27f3c38e486ca170fcbc618d97ab049.camel%40j-davis.com Branch ------ master Details ------- https://git.postgresql.org/pg/commitdiff/7fdd919ae7550f478e7ae4031f7f439278cf2282 Modified Files -------------- src/backend/utils/sort/logtape.c | 43 +++++++++++++++++++++++++++++++++------- 1 file changed, 36 insertions(+), 7 deletions(-)
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