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Tom Lane 41b9c8452b Replace libpq's "row processor" API with a "single row" mode. ... After taking awhile to digest the row-processor feature that was added to libpq in commit 92785dac2e, we've concluded it is over-complicated and too hard to use. Leave the core infrastructure changes in place (that is, there's still a row processor function inside libpq), but remove the exposed API pieces, and instead provide a "single row" mode switch that causes PQgetResult to return one row at a time in separate PGresult objects. This approach incurs more overhead than proper use of a row processor callback would, since construction of a PGresult per row adds extra cycles. However, it is far easier to use and harder to break. The single-row mode still affords applications the primary benefit that the row processor API was meant to provide, namely not having to accumulate large result sets in memory before processing them. Preliminary testing suggests that we can probably buy back most of the extra cycles by micro-optimizing construction of the extra results, but that task will be left for another day. Marko Kreen		14 years ago
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expected	Reduce messages about implicit indexes and sequences to DEBUG1.	14 years ago
sql	Convert contrib modules to use the extension facility.	15 years ago
.gitignore	Support "make check" in contrib	15 years ago
Makefile	Convert contrib modules to use the extension facility.	15 years ago
dblink--1.0.sql	Throw a useful error message if an extension script file is fed to psql.	14 years ago
dblink--unpackaged--1.0.sql	Throw a useful error message if an extension script file is fed to psql.	14 years ago
dblink.c	Replace libpq's "row processor" API with a "single row" mode.	14 years ago
dblink.control	Convert contrib modules to use the extension facility.	15 years ago
dblink.h	Update copyright notices for year 2012.	14 years ago