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fbsql_read_clob (PHP 4 >= 4.2.0, PHP 5) fbsql_read_clob -- Read a CLOB from the database Описаниеstring fbsql_read_clob ( string clob_handle [, resource link_identifier] )
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.
Список параметров
clob_handle
A CLOB handle, returned by fbsql_create_clob().
link_identifierA FrontBase link identifier
returned by fbsql_connect() or
fbsql_pconnect(). 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() was called with no arguments
Возвращаемые значения
Returns a string containing the specified CLOB data.
Примеры
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);
fbsql_free_result($rs);
$rs = fbsql_query($sql, $link);
fbsql_set_lob_mode($rs, FBSQL_LOB_HANDLE);
$row_data = fbsql_fetch_row($rs);
$clob_data = fbsql_read_clob($row_data[0]);
fbsql_free_result($rs);
?>
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fbsql_read_blob