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b2735fcd

Commit b2735fcd authored 22 years ago by Tom Lane

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Performance improvement for MultiRecordFreeSpace on large relations ---

avoid O(N^2) behavior.  Problem noted and fixed by Stephen Marshall <smarshall@wsicorp.com>,
with some help from Tom Lane.

parent de96cd5e

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src/backend/commands/vacuum.c 19 additions, 21 deletions

src/backend/commands/vacuum.c
src/backend/commands/vacuumlazy.c 53 additions, 47 deletions

src/backend/commands/vacuumlazy.c
src/backend/storage/freespace/freespace.c 95 additions, 71 deletions

src/backend/storage/freespace/freespace.c
src/backend/storage/smgr/smgr.c 2 additions, 4 deletions

src/backend/storage/smgr/smgr.c
src/include/storage/freespace.h 12 additions, 4 deletions

src/include/storage/freespace.h

with 181 additions and 147 deletions

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