Fix LookupTupleHashEntryHash() pipeline-stall issue. Refactor hash lookups in nodeAgg.c to improve performance. Author: Andres Freund and Jeff Davis Discussion: https://postgr.es/m/20200612213715.op4ye4q7gktqvpuo%40alap3.anarazel.de Backpatch-through: 13 Branch ------ REL_13_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/7f5f2249b27a46a4d91d6be5aff188ca67719fa7 Modified Files -------------- src/backend/executor/execGrouping.c | 29 ++++-- src/backend/executor/nodeAgg.c | 163 +++++++++++++++--------------- src/backend/executor/nodeRecursiveunion.c | 4 +- src/backend/executor/nodeSetOp.c | 4 +- src/backend/executor/nodeSubplan.c | 4 +- src/include/executor/executor.h | 2 +- 6 files changed, 105 insertions(+), 101 deletions(-)
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