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ingres_query
(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)
ingres_query — Send an SQL query to Ingres
Description
ingres_query() sends the given
query to the Ingres server.
The query becomes part of the currently open transaction. If there is no open transaction, ingres_query() opens a new transaction. To close the transaction, you can call either ingres_commit() to commit the changes made to the database or ingres_rollback() to cancel these changes. When the script ends, any open transaction is rolled back (by calling ingres_rollback()). You can also use ingres_autocommit() before opening a new transaction to have every SQL query immediately committed.
Note: Related Configurations
See also the ingres.describe, ingres.scrollable and ingres.utf8 directives in Runtime Configuration
Parameters
-
link -
The connection link identifier.
query-
A valid SQL query (see the Ingres SQL reference guide) in the Ingres documentation.
Data inside the query should be properly escaped.
The following types of SQL queries cannot be sent with this function:
- close (see ingres_close())
- commit (see ingres_commit())
- connect (see ingres_connect())
- disconnect (see ingres_close())
- get dbevent
- prepare to commit
- rollback (see ingres_rollback())
- savepoint
- set autocommit (see ingres_autocommit())
- all cursor-related queries are unsupported
-
params -
An array of parameter values to be used with the query
types-
A string containing a sequence of types for the parameter values passed. When ingres.describe is enabled, this parameter can be ignored as the driver automatically fetches the expected parameter types from the server.
Type code Ingres type a BOOLEAN b BYTE B LONG BYTE/BLOB c CHAR d DATE/ANSIDATE/TIMESTAMP/TIME f FLOAT i INTEGER L LONG TEXT m MONEY M LONG NVARCHAR n NCHAR N NVARCHAR t TEXT v VARCHAR V LONG VARCHAR
Return Values
ingres_query() returns a query result identifier on
success else it returns FALSE. To see if an error
occurred use ingres_errno(),
ingres_error() or
ingres_errsqlstate().
Examples
Example #1 Send a simple select
<?php
$link = ingres_connect("demodb");
$result = ingres_query($link, "select * from user_profile");
while ($row = ingres_fetch_row($result)) {
echo $row[1];
echo $row[2];
}
?>
Example #2 Passing query parameters to ingres_query()
<?php
$link = ingres_connect("demodb");
$params[] = "Emma";
$query = "select * from user_profile where up_first = ?";
$result = ingres_query($link, $query, $params);
while ($row = ingres_fetch_row($result)) {
echo $row[1];
echo $row[2];
}
?>
Example #3 Inserting a BLOB with parameter types
<?php
$link = ingres_connect("demodb");
//Open a photo
$fh = fopen("photo.jpg","r");
$blob_data = stream_get_contents($fh);
fclose($fh);
//Prepare parameters
$params[] = $blob_data;
$params[] = 1201;
//Define parameter types
$param_types = "Bi";
$query = "update user_profile set up_image = ? where up_id = ?";
$result = ingres_query($link, $query , $params, $param_types);
if (ingres_errno())
{
echo ingres_errno() . "-" . ingres_error() . "\n";
}
ingres_commit($link);
ingres_close($link);
?>
See Also
- ingres_unbuffered_query() - Send an unbuffered SQL query to Ingres
- ingres_fetch_array() - Fetch a row of result into an array
- ingres_fetch_assoc() - Fetch a row of result into an associative 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_commit() - Commit a transaction
- ingres_rollback() - Roll back a transaction
- ingres_autocommit() - Switch autocommit on or off
- ingres_set_environment() - Set environment features controlling output options
- ingres_errno() - Get the last Ingres error number generated
- ingres_error() - Get a meaningful error message for the last error generated
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-function.ingres-query.html
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References
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