A little reformatting for better print appearance.
This commit is contained in:
Peter Eisentraut
parent
8e144b09ae
commit
d63805a469
@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.73 2001/10/12 23:32:34 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.74 2001/10/31 20:39:30 petere Exp $
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-->
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<chapter id="libpq">
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@ -29,11 +29,10 @@ $Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.73 2001/10/12 23:32:34 momji
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complete examples of <filename>libpq</filename> applications in the
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following directories:
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<programlisting>
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../src/test/regress
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../src/test/examples
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../src/bin/psql
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</programlisting>
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<simplelist>
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<member><filename>src/test/examples</filename></member>
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<member><filename>src/bin/psql</filename></member>
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</simplelist>
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</para>
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<para>
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@ -382,21 +381,21 @@ PostgresPollingStatusType PQconnectPoll(PGconn *conn)
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particular order, or at all, or on the status always being one of these
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documented values. An application may do something like this:
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<programlisting>
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switch(PQstatus(conn))
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{
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case CONNECTION_STARTED:
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feedback = "Connecting...";
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break;
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switch(PQstatus(conn))
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{
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case CONNECTION_STARTED:
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feedback = "Connecting...";
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break;
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case CONNECTION_MADE:
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feedback = "Connected to server...";
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break;
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case CONNECTION_MADE:
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feedback = "Connected to server...";
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break;
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.
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.
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.
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default:
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feedback = "Connecting...";
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}
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default:
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feedback = "Connecting...";
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}
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</programlisting>
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</para>
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.25 2001/10/09 22:32:32 petere Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/Attic/odbc.sgml,v 1.26 2001/10/31 20:39:30 petere Exp $
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-->
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<chapter id="odbc">
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@ -380,18 +380,18 @@ InstallDir = /opt/applix/axdata/axshlib
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At the bottom of <filename>axnet.cnf</filename>,
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find the line that starts with
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<programlisting>
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<programlisting>
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#libFor elfodbc /ax/<replaceable>...</replaceable>
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</programlisting>
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</programlisting>
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</para>
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</step>
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<step performance="required">
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<para>
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Change line to read
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<programlisting>
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<programlisting>
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libFor elfodbc <replaceable>applixroot</replaceable>/applix/axdata/axshlib/lib
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</programlisting>
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</programlisting>
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which will tell <literal>elfodbc</literal> to look in this directory
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for the <acronym>ODBC</acronym> support library.
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@ -410,9 +410,9 @@ libFor elfodbc <replaceable>applixroot</replaceable>/applix/axdata/axshlib/lib
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Create <filename>.odbc.ini</filename> as
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described above. You may also want to add the flag
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<programlisting>
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<programlisting>
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TextAsLongVarchar=0
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</programlisting>
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</programlisting>
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to the database-specific portion of <filename>.odbc.ini</filename>
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so that text fields will not be shown as <literal>**BLOB**</literal>.
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@ -438,34 +438,34 @@ TextAsLongVarchar=0
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<step performance="required">
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<para>
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Select <command>Query->Choose Server</command>.
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Select <menuchoice><guimenu>Query</guimenu><guimenuitem>Choose Server</guimenuitem></menuchoice>.
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</para>
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</step>
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<step performance="required">
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<para>
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Select <acronym>ODBC</acronym>, and click <command>Browse</command>.
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Select <guimenuitem>ODBC</guimenuitem>, and click <guibutton>Browse</guibutton>.
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The database you configured in <filename>.odbc.ini</filename>
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should be shown. Make sure that the <option>Host: field</option>
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should be shown. Make sure that the <guilabel>Host:</guilabel> field
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is empty (if it is not, <literal>axnet</> will try to contact <literal>axnet</> on another machine
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to look for the database).
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</para>
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</step>
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<step performance="required">
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<para>
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Select the database in the box that was launched by <command>Browse</command>,
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then click <command>OK</command>.
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Select the database in the box that was launched by <guibutton>Browse</guibutton>,
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then click <guibutton>OK</guibutton>.
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</para>
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</step>
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<step performance="required">
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<para>
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Enter user name and password in the login identification dialog,
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and click <command>OK</command>.
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and click <guibutton>OK</guibutton>.
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</para>
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</step>
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</substeps>
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<para>
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You should see <literal>Starting elfodbc server</literal>
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You should see <guilabel>Starting elfodbc server</guilabel>
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in the lower left corner of the
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data window. If you get an error dialog box, see the debugging section
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below.
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@ -479,9 +479,12 @@ TextAsLongVarchar=0
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</step>
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<step performance="required">
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<para>
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Select a table from Query->Choose tables, and then select Query->Query
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to access the database. The first 50 or so rows from the table should
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appear.
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Select a table from
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<menuchoice><guimenu>Query</><guimenuitem>Choose
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tables</></menuchoice>, and then select
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<menuchoice><guimenu>Query</><guimenuitem>Query</></menuchoice>
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to access the database. The first 50 or so rows from the table
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should appear.
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</para>
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</step>
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</procedure>
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@ -530,7 +533,7 @@ TextAsLongVarchar=0
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<para>
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The driver process has terminated due to some other
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problem. You might not have an up-to-date version
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of the <productname>Postgres</productname>
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of the <productname>PostgreSQL</productname>
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<acronym>ODBC</acronym> package.
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</para>
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</listitem>
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@ -595,24 +598,24 @@ TextAsLongVarchar=0
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Start an <application>strace</application> on
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the <literal>axnet</literal> process. For example, if
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<programlisting>
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% ps -aucx | grep ax
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</programlisting>
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<screen>
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<prompt>$</prompt> <userinput>ps -aucx | grep ax</userinput>
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</screen>
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shows
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<programlisting>
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<screen>
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cary 10432 0.0 2.6 1740 392 ? S Oct 9 0:00 axnet
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cary 27883 0.9 31.0 12692 4596 ? S 10:24 0:04 axmain
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</programlisting>
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</screen>
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</para>
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<para>
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Then run
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<programlisting>
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% strace -f -s 1024 -p 10432
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</programlisting>
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<screen>
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<prompt>$</prompt> <userinput>strace -f -s 1024 -p 10432</userinput>
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</screen>
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</para>
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</step>
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@ -638,14 +641,14 @@ cary 27883 0.9 31.0 12692 4596 ? S 10:24 0:04 axmain
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a <literal>Cannot launch gateway on server</literal>,
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I ran <command>strace</command> on <literal>axnet</literal> and got
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<programlisting>
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<screen>
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[pid 27947] open("/usr/lib/libodbc.so", O_RDONLY) = -1 ENOENT
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(No such file or directory)
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[pid 27947] open("/lib/libodbc.so", O_RDONLY) = -1 ENOENT
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(No such file or directory)
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[pid 27947] write(2, "/usr2/applix/axdata/elfodbc:
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can't load library 'libodbc.so'\n", 61) = -1 EIO (I/O error)
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</programlisting>
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</screen>
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So what is happening is that <literal>applix elfodbc</literal> is searching for <filename>libodbc.so</filename>, but it
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cannot find it. That is why <filename>axnet.cnf</filename> needed to be changed.
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</para>
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@ -2821,11 +2821,13 @@ execq(text *sql, int cnt)
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Now, compile and create the function:
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<ProgramListing>
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CREATE FUNCTION execq (TEXT, INT4) RETURNS INT4 AS '...path_to_so' LANGUAGE 'c';
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CREATE FUNCTION execq (text, integer) RETURNS integer
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AS '...path_to_so'
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LANGUAGE C;
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</ProgramListing>
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<ProgramListing>
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vac=> SELECT execq('CREATE TABLE a (x INT4)', 0);
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vac=> SELECT execq('CREATE TABLE a (x INTEGER)', 0);
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execq
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-----
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0
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