Обсуждение: pgsql: Make binaryheap enlargeable.

Make binaryheap enlargeable.

The node array space of the binaryheap is doubled when there is no
available space.

Reviewed-by: Vignesh C, Peter Smith, Hayato Kuroda, Ajin Cherian,
Tomas Vondra, Shubham Khanna
Discussion: https://postgr.es/m/CAD21AoDffo37RC-eUuyHJKVEr017V2YYDLyn1xF_00ofptWbkg%40mail.gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/bcb14f4abca0c309f908b3f0cd64378785c99795

Modified Files
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src/common/binaryheap.c      | 49 +++++++++++++++++++++++---------------------
src/include/lib/binaryheap.h |  4 ++--
2 files changed, 28 insertions(+), 25 deletions(-)