Hi everybody

I got weird behaviour from Mysql while doing some updates.

Before doing the update I did a count, like this:



select count(*) from Yellow WHERE MATCH(street_add) AGAINST('+GUIDO
+MIGLIOLI' IN BOOLEAN MODE) AND street_short = '';

and the result was 50 rows in set.

But when I ran the update:
UPDATE yellowtest.Yellow SET street_short = 'MIGLIOLI' WHERE
MATCH(street_add) AGAINST('+GUIDO +MIGLIOLI' IN BOOLEAN MODE) AND
street_short = '';

the result was:

Query OK, 0 rows affected (1 min 53.89 sec)
Rows matched: 0  Changed: 0  Warnings: 0

I don't understand what's going on, since the WHERE clause is identical
in both queries.

What do you think?

Thanks

Daniele





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