Problem using the field 'from' in sql query

SELECT m.id, m.title, m.message, m.from, m.to2, m.to_viewed, m.from_viewed, m.created, u.username 
FROM tbl_messages m 
INNER JOIN tbl_users u 
ON开发者_Python百科 m.from = u.id WHERE m.to2 = '1' && m.to_saved = '1'  && m.to_deleted = '0' 
ORDER BY m.created DESC

Having removed m.from, the query runs. It doesn't like this field name. Is 'from' reserved? Could someone suggest a fix?

Thanks

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Yes, it's one of the reserved words. Use backticks to quote it:

m.`from`

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Wrap it with backticks, because it is mysql's reserved keyword

m.`from`

Here is a full list of reserved words

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From is reserved, yes. You could try adding quotes around it. The easiest is to avoid using reserved words in queries.

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Yes it is a reserved word. You should enclose from in back ticks like

m.`from`

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Yes, "from" is reserved. In mysql, IIRC you can put it in either double quotes (") or backquotes (`) (but I also use postgresql, so I may be confusing the two systems).