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Hello,
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Ex1
Ex2
Ex3File 2 is the original file with over 8000 columns and 20 millions rows and is a compressed file .gz
Ex1 xx xx xx xx ....
Ex2 xx xx xx xx ....
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My input file:
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10. Shell Programming and Scripting
I am writing a unix shell script that will extract records from table and write into a file.
======================================
#! /bin/ksh
############################
# AFI Monitor Script
############################
. /db2/uszlad48/sqllib/db2profile
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INGRES_QUERY(3) 1 INGRES_QUERY(3)
ingres_query - Send an SQL query to Ingres
SYNOPSIS
mixed ingres_query (resource $link, string $query, [array $params], [string $types])
DESCRIPTION
ingres_query(3) 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(3) opens a new transaction. To
close the transaction, you can call either ingres_commit(3) to commit the changes made to the database or ingres_rollback(3) to cancel
these changes. When the script ends, any open transaction is rolled back (by calling ingres_rollback(3)). You can also use ingres_autocom-
mit(3) 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
o $link
- The connection link identifier.
o $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:
o close (see ingres_close(3))
o commit (see ingres_commit(3))
o connect (see ingres_connect(3))
o disconnect (see ingres_close(3))
o get dbevent
o prepare to commit
o rollback (see ingres_rollback(3))
o savepoint
o set autocommit (see ingres_autocommit(3))
oall cursor-related queries are unsupported
o $params
- An array of parameter values to be used with the query
o $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(3) returns a query result identifier on success else it returns FALSE. To see if an error occurred use ingres_errno(3),
ingres_error(3) or ingres_errsqlstate(3).
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(3)
<?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, $param_types);
if (ingres_errno())
{
echo ingres_errno() . "-" . ingres_error() . "
";
}
ingres_commit($link);
ingres_close($link);
?>
SEE ALSO
ingres_unbuffered_query(3), ingres_fetch_array(3), ingres_fetch_assoc(3), ingres_fetch_object(3), ingres_fetch_row(3), ingres_commit(3),
ingres_rollback(3), ingres_autocommit(3), ingres_set_environment(3), ingres_errno(3), ingres_error(3).
PHP Documentation Group INGRES_QUERY(3)