At 23:05 +0000 3/11/03, Lai Liu-yuan wrote:
Hi, everyone.
I use blob to store image data in mysql. I use mysql_real_query to
store it, but did not use mysql_real_escape_string to process it
before hand.
Then I saw in the document that this is needed. But I am testing the
data stored by reading them out to do some processing, there seems
no segmentation fault happened.
By the way, when I stored the image, I stored the width and height
also into the database. I read the image out for processing alsa
based on these two variables. So if the image data is truncated due
to special characters, there should be segmentation fault, shouldn't
it?
So, back to the question, is mysql_real_escape_string needed when
storing blob data?
It's needed for *all* values, except those you're absolutely certain
contain no special characters.
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