diff options
Diffstat (limited to 'doc/src/sgml/arch-dev.sgml')
-rw-r--r-- | doc/src/sgml/arch-dev.sgml | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/src/sgml/arch-dev.sgml b/doc/src/sgml/arch-dev.sgml index 888f6c2a50e..ffee776c382 100644 --- a/doc/src/sgml/arch-dev.sgml +++ b/doc/src/sgml/arch-dev.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/arch-dev.sgml,v 2.34 2010/04/03 07:22:52 petere Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/arch-dev.sgml,v 2.35 2010/08/17 04:37:20 petere Exp $ --> <chapter id="overview"> <title>Overview of PostgreSQL Internals</title> @@ -463,7 +463,7 @@ needed, plus any auxiliary steps needed, such as sort nodes or aggregate-function calculation nodes. Most of these plan node types have the additional ability to do <firstterm>selection</> - (discarding rows that do not meet a specified boolean condition) + (discarding rows that do not meet a specified Boolean condition) and <firstterm>projection</> (computation of a derived column set based on given column values, that is, evaluation of scalar expressions where needed). One of the responsibilities of the |