A little reformatting for better print appearance.

This commit is contained in:
Peter Eisentraut 2001-10-31 20:39:30 +00:00
parent 8e144b09ae
commit d63805a469
3 changed files with 51 additions and 47 deletions

View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.73 2001/10/12 23:32:34 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.74 2001/10/31 20:39:30 petere Exp $
-->
<chapter id="libpq">
@ -29,11 +29,10 @@ $Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.73 2001/10/12 23:32:34 momji
complete examples of <filename>libpq</filename> applications in the
following directories:
<programlisting>
../src/test/regress
../src/test/examples
../src/bin/psql
</programlisting>
<simplelist>
<member><filename>src/test/examples</filename></member>
<member><filename>src/bin/psql</filename></member>
</simplelist>
</para>
<para>
@ -382,21 +381,21 @@ PostgresPollingStatusType PQconnectPoll(PGconn *conn)
particular order, or at all, or on the status always being one of these
documented values. An application may do something like this:
<programlisting>
switch(PQstatus(conn))
{
case CONNECTION_STARTED:
feedback = "Connecting...";
break;
switch(PQstatus(conn))
{
case CONNECTION_STARTED:
feedback = "Connecting...";
break;
case CONNECTION_MADE:
feedback = "Connected to server...";
break;
case CONNECTION_MADE:
feedback = "Connected to server...";
break;
.
.
.
default:
feedback = "Connecting...";
}
default:
feedback = "Connecting...";
}
</programlisting>
</para>

View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.25 2001/10/09 22:32:32 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.26 2001/10/31 20:39:30 petere Exp $
-->
<chapter id="odbc">
@ -380,18 +380,18 @@ InstallDir = /opt/applix/axdata/axshlib
At the bottom of <filename>axnet.cnf</filename>,
find the line that starts with
<programlisting>
<programlisting>
#libFor elfodbc /ax/<replaceable>...</replaceable>
</programlisting>
</programlisting>
</para>
</step>
<step performance="required">
<para>
Change line to read
<programlisting>
<programlisting>
libFor elfodbc <replaceable>applixroot</replaceable>/applix/axdata/axshlib/lib
</programlisting>
</programlisting>
which will tell <literal>elfodbc</literal> to look in this directory
for the <acronym>ODBC</acronym> support library.
@ -410,9 +410,9 @@ libFor elfodbc <replaceable>applixroot</replaceable>/applix/axdata/axshlib/lib
Create <filename>.odbc.ini</filename> as
described above. You may also want to add the flag
<programlisting>
<programlisting>
TextAsLongVarchar=0
</programlisting>
</programlisting>
to the database-specific portion of <filename>.odbc.ini</filename>
so that text fields will not be shown as <literal>**BLOB**</literal>.
@ -438,34 +438,34 @@ TextAsLongVarchar=0
<step performance="required">
<para>
Select <command>Query->Choose Server</command>.
Select <menuchoice><guimenu>Query</guimenu><guimenuitem>Choose Server</guimenuitem></menuchoice>.
</para>
</step>
<step performance="required">
<para>
Select <acronym>ODBC</acronym>, and click <command>Browse</command>.
Select <guimenuitem>ODBC</guimenuitem>, and click <guibutton>Browse</guibutton>.
The database you configured in <filename>.odbc.ini</filename>
should be shown. Make sure that the <option>Host: field</option>
should be shown. Make sure that the <guilabel>Host:</guilabel> field
is empty (if it is not, <literal>axnet</> will try to contact <literal>axnet</> on another machine
to look for the database).
</para>
</step>
<step performance="required">
<para>
Select the database in the box that was launched by <command>Browse</command>,
then click <command>OK</command>.
Select the database in the box that was launched by <guibutton>Browse</guibutton>,
then click <guibutton>OK</guibutton>.
</para>
</step>
<step performance="required">
<para>
Enter user name and password in the login identification dialog,
and click <command>OK</command>.
and click <guibutton>OK</guibutton>.
</para>
</step>
</substeps>
<para>
You should see <literal>Starting elfodbc server</literal>
You should see <guilabel>Starting elfodbc server</guilabel>
in the lower left corner of the
data window. If you get an error dialog box, see the debugging section
below.
@ -479,9 +479,12 @@ TextAsLongVarchar=0
</step>
<step performance="required">
<para>
Select a table from Query->Choose tables, and then select Query->Query
to access the database. The first 50 or so rows from the table should
appear.
Select a table from
<menuchoice><guimenu>Query</><guimenuitem>Choose
tables</></menuchoice>, and then select
<menuchoice><guimenu>Query</><guimenuitem>Query</></menuchoice>
to access the database. The first 50 or so rows from the table
should appear.
</para>
</step>
</procedure>
@ -530,7 +533,7 @@ TextAsLongVarchar=0
<para>
The driver process has terminated due to some other
problem. You might not have an up-to-date version
of the <productname>Postgres</productname>
of the <productname>PostgreSQL</productname>
<acronym>ODBC</acronym> package.
</para>
</listitem>
@ -595,24 +598,24 @@ TextAsLongVarchar=0
Start an <application>strace</application> on
the <literal>axnet</literal> process. For example, if
<programlisting>
% ps -aucx | grep ax
</programlisting>
<screen>
<prompt>$</prompt> <userinput>ps -aucx | grep ax</userinput>
</screen>
shows
<programlisting>
<screen>
cary 10432 0.0 2.6 1740 392 ? S Oct 9 0:00 axnet
cary 27883 0.9 31.0 12692 4596 ? S 10:24 0:04 axmain
</programlisting>
</screen>
</para>
<para>
Then run
<programlisting>
% strace -f -s 1024 -p 10432
</programlisting>
<screen>
<prompt>$</prompt> <userinput>strace -f -s 1024 -p 10432</userinput>
</screen>
</para>
</step>
@ -638,14 +641,14 @@ cary 27883 0.9 31.0 12692 4596 ? S 10:24 0:04 axmain
a <literal>Cannot launch gateway on server</literal>,
I ran <command>strace</command> on <literal>axnet</literal> and got
<programlisting>
<screen>
[pid 27947] open("/usr/lib/libodbc.so", O_RDONLY) = -1 ENOENT
(No such file or directory)
[pid 27947] open("/lib/libodbc.so", O_RDONLY) = -1 ENOENT
(No such file or directory)
[pid 27947] write(2, "/usr2/applix/axdata/elfodbc:
can't load library 'libodbc.so'\n", 61) = -1 EIO (I/O error)
</programlisting>
</screen>
So what is happening is that <literal>applix elfodbc</literal> is searching for <filename>libodbc.so</filename>, but it
cannot find it. That is why <filename>axnet.cnf</filename> needed to be changed.
</para>

View File

@ -2821,11 +2821,13 @@ execq(text *sql, int cnt)
Now, compile and create the function:
<ProgramListing>
CREATE FUNCTION execq (TEXT, INT4) RETURNS INT4 AS '...path_to_so' LANGUAGE 'c';
CREATE FUNCTION execq (text, integer) RETURNS integer
AS '...path_to_so'
LANGUAGE C;
</ProgramListing>
<ProgramListing>
vac=> SELECT execq('CREATE TABLE a (x INT4)', 0);
vac=> SELECT execq('CREATE TABLE a (x INTEGER)', 0);
execq
-----
0