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script for reading BLOB data

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Old 04-25-2007
script for reading BLOB data
Hi,

this may not be a right place to post my question. But still....

I have database table of which one field contains BLOB data. Actually the BLOB data is xml script.

Now How do I retrieve that xml script to xml file on unix(or windows). I will have to loop thru the records. There are more than 50 records with such BLOB field.

I tried googling around but did not get much help.

Any pointers would help....

Thanks in advance,
-Ashish
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fbsql_read_clob

FBSQL_READ_CLOB(3)							 1							FBSQL_READ_CLOB(3)

fbsql_read_clob - Read a CLOB from the database

SYNOPSIS

       string fbsql_read_clob (string  $clob_handle, [resource	$link_identifier])

DESCRIPTION

	Reads CLOB data from the database.

	If  a select statement contains BLOB and/or CLOB columns FrontBase will return the data directly when data is fetched. This default behav-
       ior can be changed with fbsql_set_lob_mode(3) so the fetch functions will return handles to BLOB and CLOB data. If a handle  is	fetched  a
       user must call fbsql_read_clob(3) to get the actual CLOB data from the database.

PARAMETERS

	      o $clob_handle
		- A CLOB handle, returned by fbsql_create_clob(3).

	      o $
		link_identifier  -A FrontBase link identifier returned by fbsql_connect(3) or fbsql_pconnect(3).If optional and not specified, the
		function will try to find an open link to the FrontBase server and if no such link is found it	will  try  to  create  one  as	if
		fbsql_connect(3) was called with no arguments.

RETURN VALUES

	Returns a string containing the specified CLOB data.

EXAMPLES

       Example #1

	      fbsql_read_clob(3) example

	      <?php
	      $link = fbsql_pconnect("localhost", "_SYSTEM", "secret")
		  or die("Could not connect");
	      $sql = "SELECT CLOB_COLUMN FROM CLOB_TABLE;";
	      $rs = fbsql_query($sql, $link);
	      $row_data = fbsql_fetch_row($rs);
	      // $row_data[0] will now contain the clob data for the first row
	      fbsql_free_result($rs);

	      $rs = fbsql_query($sql, $link);
	      fbsql_set_lob_mode($rs, FBSQL_LOB_HANDLE);
	      $row_data = fbsql_fetch_row($rs);
	      // $row_data[0] will now contain a handle to the CLOB data in the first row
	      $clob_data = fbsql_read_clob($row_data[0]);
	      fbsql_free_result($rs);

	      ?>

SEE ALSO

       fbsql_create_clob(3), fbsql_read_blob(3), fbsql_set_lob_mode(3).

PHP Documentation Group 													FBSQL_READ_CLOB(3)