   #PHP Manual Function Reference ibase_wait_event ingres_autocommit

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XLV. Ingres II functions

Introduction

   These functions allow you to access Ingres II database servers.

     Note: 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
     committed or rolled back before opening another transaction (which
     is automatically done when sending the first query).

   Warning

   This extension is EXPERIMENTAL. 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.

Requirements

   To compile PHP with Ingres support, you need the Open API library and
   header files included with Ingres II.

Installation

   In order to have these functions available, you must compile PHP with
   Ingres support by using the --with-ingres[=DIR] option, where DIR is
   the Ingres base directory, which defaults to /II/ingres. If the
   II_SYSTEM environment variable isn't correctly set you may have to use
   --with-ingres=DIR to specify your Ingres installation directory.

   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 environment 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.

Runtime Configuration

   The behaviour of these functions is affected by settings in php.ini.

   Table 1. Ingres II configuration options
   Name                    Default Changeable
   ingres.allow_persistent "1"     PHP_INI_SYSTEM
   ingres.max_persistent   "-1"    PHP_INI_SYSTEM
   ingres.max_links        "-1"    PHP_INI_SYSTEM
   ingres.default_database NULL    PHP_INI_ALL
   ingres.default_user     NULL    PHP_INI_ALL
   ingres.default_password NULL    PHP_INI_ALL
   For further details and definition of the PHP_INI_* constants see
   ini_set().

Resource Types

   This extension has no resource types defined.

Predefined Constants

   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.

   INGRES_ASSOC (integer)

   INGRES_NUM (integer)

   INGRES_BOTH (integer)

   Table of Contents
   ingres_autocommit -- Switch autocommit on or off
   ingres_close -- Close an Ingres II database connection
   ingres_commit -- Commit a transaction
   ingres_connect --  Open a connection to an Ingres II database
   ingres_fetch_array -- Fetch a row of result into an array
   ingres_fetch_object -- Fetch a row of result into an object.
   ingres_fetch_row --  Fetch a row of result into an enumerated array
   ingres_field_length -- Get the length of a field
   ingres_field_name -- Get the name of a field in a query result.
   ingres_field_nullable -- Test if a field is nullable
   ingres_field_precision -- Get the precision of a field
   ingres_field_scale -- Get the scale of a field
   ingres_field_type --  Get the type of a field in a query result
   ingres_num_fields --  Get the number of fields returned by the last
          query

   ingres_num_rows --  Get the number of rows affected or returned by the
          last query

   ingres_pconnect --  Open a persistent connection to an Ingres II
          database

   ingres_query -- Send a SQL query to Ingres II
   ingres_rollback -- Roll back a transaction
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