Question

I need to replace certain text in certain fields of a MySql Database

Asked by: jporter80

I have a table with columns of :  meta_id ,      post_id Descending,      meta_key,       meta_value,

i need to mass edit the meta_value column where the meta_key value= podPressMedia

Here is the part of the text in the meta_value Field that i need to change
I need to change this part of the text: previewImage";s:80:
to:  previewImage";s:75:

Thanks in advance

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Asked On
2009-11-03 at 07:21:15ID24867333
Topics

MySQL Server

,

Databases Miscellaneous

,

PHP and Databases

Participating Experts
3
Points
500
Comments
7

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Answers

 

by: leakim971Posted on 2009-11-03 at 07:27:55ID: 25729832

Hello jporter80,

Try :

UPDATE yourtable SET meta_value = REPLACE(meta_value,";s:80:",";s:75:") WHERE meta_key = podPressMedia
                                              
1:

Select allOpen in new window

 

by: leakim971Posted on 2009-11-03 at 07:29:11ID: 25729852

If you want to check what you're about to modify and why :

SELECT meta_key, podPressMedia, meta_value old_value, REPLACE(meta_value,";s:80:",";s:75:") new_value WHERE meta_key = podPressMedia

                                              
1:

Select allOpen in new window

 

by: leakim971Posted on 2009-11-03 at 07:29:34ID: 25729857

and why -> and how

 

by: gawaiPosted on 2009-11-03 at 07:29:36ID: 25729858

try with replace ()

UPDATE table_name SET column_name = REPLACE(column_name,"original_string","replace_string")

 

by: leakim971Posted on 2009-11-03 at 07:32:47ID: 25729889

 

by: Ray_PaseurPosted on 2009-11-03 at 07:50:55ID: 25730108

Be careful of escaping quotes in this REPLACE statement.  Single quotes can surround the string.

$p80 = mysql_real_escape_string( 'previewImage";s:80:');
$p75 = mysql_real_escape_string( 'previewImage";s:75:');

REPLACE (meta_value, $p80, $p75) WHERE...

 

by: jporter80Posted on 2009-11-03 at 09:41:07ID: 31649453

I had to add quotes around the podPressMedia at the end in order for it to work:

UPDATE yourtable SET meta_value = REPLACE(meta_value,";s:80:",";s:75:") WHERE meta_key = "podPressMedia"

20120131-EE-VQP-002

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