fbsql_read_clob
(PHP 4 >= 4.2.0, PHP 5)
fbsql_read_clob -- Read a CLOB from the database
Description
string
fbsql_read_clob ( string clob_handle [, resource link_identifier])
Returns: A string containing the CLOB specified by clob_handle.
fbsql_read_clob() 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 behavior can be changed with
fbsql_set_lob_mode() so the fetch functions
will return handles to BLOB and CLOB data. If a handle is
fetched a user must call fbsql_read_clob() to
get the actual CLOB data from the database.
Пример 1. fbsql_read_clob() 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);
?>
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See also: fbsql_create_blob(),
fbsql_read_blob(),
fbsql_read_clob(), and
fbsql_set_lob_mode().
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