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David Rowley 16fd03e956 Allow parallel aggregate on string_agg and array_agg ... This adds combine, serial and deserial functions for the array_agg() and string_agg() aggregate functions, thus allowing these aggregates to partake in partial aggregations. This allows both parallel aggregation to take place when these aggregates are present and also allows additional partition-wise aggregation plan shapes to include plans that require additional aggregation once the partially aggregated results from the partitions have been combined. Author: David Rowley Reviewed-by: Andres Freund, Tomas Vondra, Stephen Frost, Tom Lane Discussion: https://postgr.es/m/CAKJS1f9sx_6GTcvd6TMuZnNtCh0VhBzhX6FZqw17TgVFH-ga_A@mail.gmail.com		3 years ago
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access	Zero initialize uses of instr_time about to trigger compiler warnings	3 years ago
backup	Add BufFileRead variants with short read and EOF detection	3 years ago
bootstrap	Update copyright for 2023	3 years ago
catalog	Allow REPLICA IDENTITY to be set on an index that's not (yet) valid.	3 years ago
commands	Track logrep apply workers' last start times to avoid useless waits.	3 years ago
executor	Remove redundant grouping and DISTINCT columns.	3 years ago
foreign	Update copyright for 2023	3 years ago
jit	Fix typos in comments, code and documentation	3 years ago
lib	Fix ILIST_DEBUG build	3 years ago
libpq	Support the same patterns for pg-user in pg_ident.conf as in pg_hba.conf	3 years ago
main	Update copyright for 2023	3 years ago
nodes	Move queryjumble.c code to src/backend/nodes/	3 years ago
optimizer	Allow parallel aggregate on string_agg and array_agg	3 years ago
parser	Allow parallel aggregate on string_agg and array_agg	3 years ago
partitioning	Update copyright for 2023	3 years ago
po	Update copyright for 2023	3 years ago
port	Update copyright for 2023	3 years ago
postmaster	Reject CancelRequestPacket having unexpected length.	3 years ago
regex	Update copyright for 2023	3 years ago
replication	Track logrep apply workers' last start times to avoid useless waits.	3 years ago
rewrite	Get rid of the "new" and "old" entries in a view's rangetable.	3 years ago
snowball	Update copyright for 2023	3 years ago
statistics	Update copyright for 2023	3 years ago
storage	Track logrep apply workers' last start times to avoid useless waits.	3 years ago
tcop	Use WaitEventSet API for postmaster's event loop.	3 years ago
tsearch	Fix ts_headline() to handle ORs and phrase queries more honestly.	3 years ago
utils	Allow parallel aggregate on string_agg and array_agg	3 years ago
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Makefile	Update copyright for 2023	3 years ago
common.mk	Blind attempt to fix LLVM dependency in the backend	3 years ago
meson.build	Update copyright for 2023	3 years ago
nls.mk	NLS: Put list of available languages into LINGUAS files	3 years ago