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>Ingres II functions</TITLE
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><H1
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>XLV. Ingres II functions</H1
><DIV
CLASS="PARTINTRO"
><A
NAME="AEN40953"
></A
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.intro"
></A
>Introduction</H1
><P
>&#13;     These functions allow you to access Ingres II database servers.
    </P
><DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Note: </B
>
      If you already used PHP extensions to access other database
      servers, note that Ingres doesn't allow concurrent queries and/or
      transaction over one connection, thus you won't find any result
      or transaction handle in this extension. The result of a query
      must be treated before sending another query, and a transaction
      must be commited or rolled back before opening another
      transaction (which is automaticaly done when sending the first
      query).
     </P
></BLOCKQUOTE
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><TD
ALIGN="CENTER"
><B
>Warning</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>This extension is
<SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>EXPERIMENTAL</I
></SPAN
>. The behaviour of this extension --
including the names of its functions and anything else documented
about this extension -- may change without notice in a future release of PHP. 
Use this extension at your own risk.</P
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.requirements"
></A
>Requirements</H1
><P
>&#13;     To compile PHP with Ingres support, you need the Open API library
     and header files included with Ingres II. 
    </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.installation"
></A
>Installation</H1
><P
>&#13;  In order to have these functions available, you must compile PHP with
  Ingres support by using the
  <TT
CLASS="option"
>--with-ingres[=DIR]</TT
> option, where DIR is
  the Ingres base directory, which defaults to <TT
CLASS="filename"
>/II/ingres</TT
>.
  If the II_SYSTEM environment variable isn't correctly set you may have to
  use <TT
CLASS="option"
>--with-ingres=DIR</TT
>
  to specify your Ingres installation directory.
 </P
><P
>&#13;  When using this extension with Apache, if Apache does not start
  and complains with "PHP Fatal error: Unable to start ingres_ii
  module in Unknown on line 0" then make sure the environement
  variable II_SYSTEM is correctly set. Adding "export
  II_SYSTEM="/home/ingres/II" in the script that starts Apache, just
  before launching httpd, should be fine.
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.configuration"
></A
>Runtime Configuration</H1
><P
>&#13;The behaviour of these functions is affected by settings in <TT
CLASS="filename"
>php.ini</TT
>.
</P
><P
>&#13; <DIV
CLASS="table"
><A
NAME="AEN40977"
></A
><P
><B
>Table 1. Ingres II configuration options</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><THEAD
><TR
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Name</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Default</TH
><TH
ALIGN="LEFT"
VALIGN="MIDDLE"
>Changeable</TH
></TR
></THEAD
><TBODY
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.allow_persistent</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>"1"</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_SYSTEM</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.max_persistent</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>"-1"</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_SYSTEM</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.max_links</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>"-1"</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_SYSTEM</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.default_database</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>NULL</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_ALL</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.default_user</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>NULL</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_ALL</TD
></TR
><TR
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>ingres.default_password</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>NULL</TD
><TD
ALIGN="LEFT"
VALIGN="MIDDLE"
>PHP_INI_ALL</TD
></TR
></TBODY
></TABLE
></DIV
>
 For further details and definition of the PHP_INI_* constants see
 <A
HREF="function.ini-set.html"
><B
CLASS="function"
>ini_set()</B
></A
>.
 </P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.resources"
></A
>Resource Types</H1
><P
>This extension has no resource types defined.</P
></DIV
><DIV
CLASS="section"
><H1
CLASS="section"
><A
NAME="ingres.constants"
></A
>Predefined Constants</H1
><P
>&#13;The constants below are defined by this extension, and
will only be available when the extension has either
been compiled into PHP or dynamically loaded at runtime.
</P
><P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><TT
CLASS="constant"
><B
>INGRES_ASSOC</B
></TT
> 
    (<A
HREF="language.types.integer.html"
>integer</A
>)</DT
><DD
><P
>&#13;     
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>INGRES_NUM</B
></TT
> 
    (<A
HREF="language.types.integer.html"
>integer</A
>)</DT
><DD
><P
>&#13;     
    </P
></DD
><DT
><TT
CLASS="constant"
><B
>INGRES_BOTH</B
></TT
> 
    (<A
HREF="language.types.integer.html"
>integer</A
>)</DT
><DD
><P
>&#13;     
    </P
></DD
></DL
></DIV
></DIV
></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
><A
HREF="function.ingres-autocommit.html"
>ingres_autocommit</A
>&nbsp;--&nbsp;Switch autocommit on or off</DT
><DT
><A
HREF="function.ingres-close.html"
>ingres_close</A
>&nbsp;--&nbsp;Close an Ingres II database connection</DT
><DT
><A
HREF="function.ingres-commit.html"
>ingres_commit</A
>&nbsp;--&nbsp;Commit a transaction</DT
><DT
><A
HREF="function.ingres-connect.html"
>ingres_connect</A
>&nbsp;--&nbsp;
     Open a connection to an Ingres II database
    </DT
><DT
><A
HREF="function.ingres-fetch-array.html"
>ingres_fetch_array</A
>&nbsp;--&nbsp;Fetch a row of result into an array</DT
><DT
><A
HREF="function.ingres-fetch-object.html"
>ingres_fetch_object</A
>&nbsp;--&nbsp;Fetch a row of result into an object.</DT
><DT
><A
HREF="function.ingres-fetch-row.html"
>ingres_fetch_row</A
>&nbsp;--&nbsp;
     Fetch a row of result into an enumerated array
    </DT
><DT
><A
HREF="function.ingres-field-length.html"
>ingres_field_length</A
>&nbsp;--&nbsp;Get the length of a field</DT
><DT
><A
HREF="function.ingres-field-name.html"
>ingres_field_name</A
>&nbsp;--&nbsp;Get the name of a field in a query result.</DT
><DT
><A
HREF="function.ingres-field-nullable.html"
>ingres_field_nullable</A
>&nbsp;--&nbsp;Test if a field is nullable</DT
><DT
><A
HREF="function.ingres-field-precision.html"
>ingres_field_precision</A
>&nbsp;--&nbsp;Get the precision of a field</DT
><DT
><A
HREF="function.ingres-field-scale.html"
>ingres_field_scale</A
>&nbsp;--&nbsp;Get the scale of a field</DT
><DT
><A
HREF="function.ingres-field-type.html"
>ingres_field_type</A
>&nbsp;--&nbsp;
     Get the type of a field in a query result
    </DT
><DT
><A
HREF="function.ingres-num-fields.html"
>ingres_num_fields</A
>&nbsp;--&nbsp;
     Get the number of fields returned by the last query
    </DT
><DT
><A
HREF="function.ingres-num-rows.html"
>ingres_num_rows</A
>&nbsp;--&nbsp;
     Get the number of rows affected or returned by the last query
    </DT
><DT
><A
HREF="function.ingres-pconnect.html"
>ingres_pconnect</A
>&nbsp;--&nbsp;
     Open a persistent connection to an Ingres II database
    </DT
><DT
><A
HREF="function.ingres-query.html"
>ingres_query</A
>&nbsp;--&nbsp;Send a SQL query to Ingres II</DT
><DT
><A
HREF="function.ingres-rollback.html"
>ingres_rollback</A
>&nbsp;--&nbsp;Roll back a transaction</DT
></DL
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