Read parameter file in a shell script to unload a DB2 Table???
Hi ,
I Have following requirement:
DB2 Sql query to pass from a parameter file
for example, I would create a parameter file with (SELECT column 1, column 2 FROM Table name) then job would read it and create a file with the contents named table.txt
How to write/modify below ksh script to call the parameter file and write "query out put "to a text file ??
Environment: DB2 tables, AIX, Datastage7.5.2
Shell script: unload.sh (Table name as a parameter )
Code:
#!/bin/ksh
****************************
if [ $# -ne 1 ];
then
echo " " >> $JOBLOG_DFLT
echo "** Argument missing ** i.e., Table name not passed: " >> $JOBLOG_DFLT
exit 10;
fi
TABLENAME=$1;
*************************
echo " " >> $JOBLOG
echo " ** Start export of table $TABLENAME ** " >> $JOBLOG
ls -l >> $JOBLOG
echo " " >> $JOBLOG
####### Unload Table $TABLENAME #######
db2 "EXPORT TO $INST_HOME/$TABLENAME.ext of del SELECT * FROM schema.$TABLENAME FOR FETCH ONLY WITH UR" >> $JOBLOG
Explanation: Here table name is passed as a variable and gives the out put to .ext file but I want to pass the parameter file (in the form of sql query)
Please share your ideas here
Thank you
Moderator's Comments:
Use code tags please, see PM.
---------- Post updated 12-09-11 at 09:22 AM ---------- Previous update was 12-08-11 at 11:06 PM ----------
Hi ,
I am looking at the ksh script to execute a parameter file (which has DB2 sql query stored in it)
Please post your ideas here
Thank you
Last edited by zaxxon; 12-09-2011 at 02:17 AM..
Reason: code tags, see PM
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LEARN ABOUT PHP
db2_client_info
DB2_CLIENT_INFO(3) 1 DB2_CLIENT_INFO(3)db2_client_info - Returns an object with properties that describe the DB2 database clientSYNOPSIS
object db2_client_info (resource $connection)
DESCRIPTION
This function returns an object with read-only properties that return information about the DB2 database client. The following table lists
the DB2 client properties:
DB2 client properties
+---------------------+--------------------------------------+---+
| Property name | | |
| | | |
| | Return type | |
| | | |
| | Description | |
| | | |
+---------------------+--------------------------------------+---+
| APPL_CODEPAGE | | |
| | | |
| | int | |
| | | |
| | The application code page. | |
| | | |
| CONN_CODEPAGE | | |
| | | |
| | int | |
| | | |
| | The code page for the current con- | |
| | nection. | |
| | | |
| DATA_SOURCE_NAME | | |
| | | |
| | string | |
| | | |
| | The data source name (DSN) used to | |
| | create the current connection to the | |
| | database. | |
| | | |
| DRIVER_NAME | | |
| | | |
| | string | |
| | | |
| | The name of the library that imple- | |
| | ments the DB2 Call Level Interface | |
| | (CLI) specification. | |
| | | |
| DRIVER_ODBC_VER | | |
| | | |
| | string | |
| | | |
| | The version of ODBC that the DB2 | |
| | client supports. This returns a | |
| | string "MM.mm" where $MM is the | |
| | major version and $mm is the minor | |
| | version. The DB2 client always | |
| | returns "03.51". | |
| | | |
| DRIVER_VER | | |
| | | |
| | string | |
| | | |
| | The version of the client, in the | |
| | form of a string "MM.mm.uuuu" where | |
| | $MM is the major version, $mm is the | |
| | minor version, and $uuuu is the | |
| | update. For example, "08.02.0001" | |
| | represents major version 8, minor | |
| | version 2, update 1. | |
| | | |
|ODBC_SQL_CONFORMANCE | | |
| | | |
| | string | |
| | | |
| | The level of ODBC SQL grammar sup- | |
| | ported by the client: | |
| | | |
| | o MINIMUM | |
| | - Supports the mini- | |
| | mum ODBC SQL gram- | |
| | mar. | |
| | | |
| | o CORE | |
| | - Supports the core | |
| | ODBC SQL grammar. | |
| | | |
| | o EXTENDED | |
| | - Supports extended | |
| | ODBC SQL grammar. | |
| | | |
| ODBC_VER | | |
| | | |
| | string | |
| | | |
| | The version of ODBC that the ODBC | |
| | driver manager supports. This | |
| | returns a string "MM.mm.rrrr" where | |
| | $MM is the major version, $mm is the | |
| | minor version, and $rrrr is the | |
| | release. The DB2 client always | |
| | returns "03.01.0000". | |
| | | |
+---------------------+--------------------------------------+---+
PARAMETERS
o $connection
- Specifies an active DB2 client connection.
RETURN VALUES
Returns an object on a successful call. Returns FALSE on failure.
EXAMPLES
Example #1
A db2_client_info(3) example
To retrieve information about the client, you must pass a valid database connection resource to db2_client_info(3).
<?php
$conn = db2_connect( 'SAMPLE', 'db2inst1', 'ibmdb2' );
$client = db2_client_info( $conn );
if ($client) {
echo "DRIVER_NAME: "; var_dump( $client->DRIVER_NAME );
echo "DRIVER_VER: "; var_dump( $client->DRIVER_VER );
echo "DATA_SOURCE_NAME: "; var_dump( $client->DATA_SOURCE_NAME );
echo "DRIVER_ODBC_VER: "; var_dump( $client->DRIVER_ODBC_VER );
echo "ODBC_VER: "; var_dump( $client->ODBC_VER );
echo "ODBC_SQL_CONFORMANCE: "; var_dump( $client->ODBC_SQL_CONFORMANCE );
echo "APPL_CODEPAGE: "; var_dump( $client->APPL_CODEPAGE );
echo "CONN_CODEPAGE: "; var_dump( $client->CONN_CODEPAGE );
}
else {
echo "Error retrieving client information.
Perhaps your database connection was invalid.";
}
db2_close($conn);
?>
The above example will output:
DRIVER_NAME: string(8) "libdb2.a"
DRIVER_VER: string(10) "08.02.0001"
DATA_SOURCE_NAME: string(6) "SAMPLE"
DRIVER_ODBC_VER: string(5) "03.51"
ODBC_VER: string(10) "03.01.0000"
ODBC_SQL_CONFORMANCE: string(8) "EXTENDED"
APPL_CODEPAGE: int(819)
CONN_CODEPAGE: int(819)SEE ALSO db2_server_info(3).
PHP Documentation Group DB2_CLIENT_INFO(3)
12-09-2011
