db2_lob_read

PECL ibm_db2 >= 1.6.0

db2_lob_read - Gets a user defined size of LOB files with each invocation

Manual

Code Examples

db2_lob_read( resource$stmt, int$colnum, int$length ): string

Use db2_lob_read to iterate through a specified column of a result set and retrieve a user defined size of LOB data.

Parameters

stmt: A valid stmt resource containing LOB data.
colnum: A valid column number in the result set of the stmt resource.
length: The size of the LOB data to be retrieved from the stmt resource.

Return Values

Returns the amount of data the user specifies. Returns false if the data cannot be retrieved.

Related Functions

Example of db2_lob_read

Show all examples for db2_lob_read

<?php
/* Database Connection Parameters */
$db = 'SAMPLE';
$username = 'db2inst1';
$password = 'ibmdb2';
/* Obtain Connection Resource */
$conn = db2_connect($db,$username,$password);
if ($conn) {
    $drop = 'DROP TABLE clob_stream';
    $result = @db2_exec( $conn, $drop );
    $create = 'CREATE TABLE clob_stream (id INTEGER, my_clob CLOB)';
    $result = db2_exec( $conn, $create );
    $variable = "";
    $stmt = db2_prepare($conn, "INSERT INTO clob_stream (id,my_clob) VALUES (1, ?)");
    $variable = "THIS IS A CLOB TEST. THIS IS A CLOB TEST.";
    db2_bind_param($stmt, 1, "variable", DB2_PARAM_IN);
    db2_execute($stmt);
    $sql = "SELECT id,my_clob FROM clob_stream";
    $result = db2_prepare($conn, $sql);
    db2_execute($result);
    db2_fetch_row($result);
    $i = 0;
    /* Read LOB data */
    while ($data = db2_lob_read($result, 2, 6)) {
        echo "Loop $i: $data\n";
        $i = $i + 1;
    }
    $drop = 'DROP TABLE blob_stream';
    $result = @db2_exec( $conn, $drop );
    $create = 'CREATE TABLE blob_stream (id INTEGER, my_blob CLOB)';
    $result = db2_exec( $conn, $create );
    $variable = "";
    $stmt = db2_prepare($conn, "INSERT INTO blob_stream (id,my_blob) VALUES (1, ?)");
    $variable = "THIS IS A BLOB TEST. THIS IS A BLOB TEST.";
    db2_bind_param($stmt, 1, "variable", DB2_PARAM_IN);
    db2_execute($stmt);
    $sql = "SELECT id,my_blob FROM blob_stream";
    $result = db2_prepare($conn, $sql);
    db2_execute($result);
    db2_fetch_row($result);
    $i = 0;
    /* Read LOB data */
    while ($data = db2_lob_read($result, 2, 6)) {
        echo "Loop $i: $data\n";
        $i = $i + 1;
    }
} else {
    echo 'no connection: ' . db2_conn_errormsg();
}

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PHP Version:

db2_lob_read

Parameters

Return Values

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Example of db2_lob_read

Function db2_lob_read:

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