diff options
| author | Tom Lane <tgl@sss.pgh.pa.us> | 2001-02-19 00:01:18 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2001-02-19 00:01:18 +0000 |
| commit | fa0cd643d2cb3dcf122d2fbda9a9c02d94cd006e (patch) | |
| tree | d21d05990da8708b880ba562a0a301a001dfe090 | |
| parent | da84545d616bf2d2162fceeea29c752cf6a4b0b4 (diff) | |
| download | postgresql-fa0cd643d2cb3dcf122d2fbda9a9c02d94cd006e.tar.gz postgresql-fa0cd643d2cb3dcf122d2fbda9a9c02d94cd006e.zip | |
AND/OR truth table needs another row IMHO.
| -rw-r--r-- | doc/src/sgml/func.sgml | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml index 196a2e5cce0..e7d825b5181 100644 --- a/doc/src/sgml/func.sgml +++ b/doc/src/sgml/func.sgml @@ -1,4 +1,4 @@ -<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.52 2001/02/18 17:17:17 petere Exp $ --> +<!-- $Header: /cvsroot/pgsql/doc/src/sgml/func.sgml,v 1.53 2001/02/19 00:01:18 tgl Exp $ --> <chapter id="functions"> <title>Functions and Operators</title> @@ -10,7 +10,7 @@ <citetitle>Programmer's Guide</citetitle>. The <application>psql</application> commands <command>\df</command> and <command>\do</command> can be used to show the list of all actually - available function and operators, respectively. + available functions and operators, respectively. </para> <para> @@ -86,6 +86,13 @@ <entry>FALSE</entry> <entry>NULL</entry> </row> + + <row> + <entry>NULL</entry> + <entry>NULL</entry> + <entry>NULL</entry> + <entry>NULL</entry> + </row> </tbody> </tgroup> </informaltable> @@ -218,8 +225,8 @@ <literal><replaceable>expression</replaceable> = NULL</literal> because NULL is not <quote>equal to</quote> NULL. (NULL represents an unknown value, so it is not known whether two unknown values are - equal.) <productname>Postgres</productname> implicitly converts - <literal>= NULL</literal> clauses to <literal>IS NULL</literal> to + equal.) <productname>Postgres</productname> presently converts + <literal>x = NULL</literal> clauses to <literal>x IS NULL</literal> to allow some broken client applications (such as <productname>Microsoft Access</productname>) to work, but this may be discontinued in a future release. @@ -309,7 +316,7 @@ <row> <entry> <literal>!!</literal> </entry> - <entry>Factorial (left operator)</entry> + <entry>Factorial (prefix operator)</entry> <entry>!! 5</entry> <entry>120</entry> </row> |