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# Database Abstraction Layer

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##### Resources

- Reference Manual
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##### Supported Databases

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v5:reference:connection:updateblob

# updateBlob

Support for this function is limited. See the Feature Comparison Matrix

##### Syntax

    mixed updateBlob(
        string $tableName,
        string $columnName,
        string $blobValue,
        string $whereStatement,
        optional string $type='BLOB'
    )

## Description

The function `updateBlob()` updates a column specified by `$columnName` in an row of a table, specified by `$tableName` with a value specified by `$blobValue`.

## $where

The where statement must match a row, or set of rows in the table.

## $type

The only acceptable values for $type are `BLOB` or `CLOB`

## Usage

    /*
     * Connection assumed
     */
    $tableName = 'images';
    $columnName = 'image_data';

    $fd = file_get_contents('/temp/test.jpg');
    $blob = $db->blobEncode($fd);

    $db->updateBlob($tableName,$columnName,$blob,"ID=140")

v5/reference/connection/updateblob.txt · Last modified: 2016/01/16 16:58 by mnewnham

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