How to query on part of a date column?
I've got a table of people who registered for a convention. Each person
has a registration date, kept in a standard date field. How do I select
for people who registered in a particular month or year? The obvious tests
like:
Select * from Capclave2005reg
Where Year('Date Paid') = 2004;
return no rows. I can extract any piece of that date I want in a SELECT,
but can't seem to use it in a WHERE clause at all. There has to be
something really obvious that I'm missing?
Barry Newton
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: How to query on part of a date column?
Barry, I think you've got too many quotes in your SQL - the db is
trying to find the year from the string 'date paid'. You want to use
it as a column name, so drop the quotes:
Select * from Capclave2005reg
Where Year(Date Paid) = 2004;
If you've really got a space in your column name, try enclosing it in
backticks instead of quotes - ` instead of ', as in
Select * from Capclave2005reg
Where Year(`Date Paid`) = 2004;
Regards,
Dan
On 7/20/06, Barry Newton [EMAIL PROTECTED] wrote:
I've got a table of people who registered for a convention. Each person
has a registration date, kept in a standard date field. How do I select
for people who registered in a particular month or year? The obvious tests
like:
Select * from Capclave2005reg
Where Year('Date Paid') = 2004;
return no rows. I can extract any piece of that date I want in a SELECT,
but can't seem to use it in a WHERE clause at all. There has to be
something really obvious that I'm missing?
Barry Newton
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: How to query on part of a date column?
At 12:02 PM 7/20/2006, you wrote:
I've got a table of people who registered for a convention. Each person
has a registration date, kept in a standard date field. How do I select
for people who registered in a particular month or year? The obvious
tests like:
Select * from Capclave2005reg
Where Year('Date Paid') = 2004;
return no rows. I can extract any piece of that date I want in a SELECT,
but can't seem to use it in a WHERE clause at all. There has to be
something really obvious that I'm missing?
Barry Newton
Barry,
I strongly recommend getting rid of the spaces in your
column/table names and replace them with an underscore character _. You
are only creating problems for yourself if you leave the blanks in the names.
Mike
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: How to query on part of a date column?
As long as backticks are used around fieldnames, spaces and/or reserved
words are fine, tho it does tend to create more work for the user ;)
mos wrote:
At 12:02 PM 7/20/2006, you wrote:
I've got a table of people who registered for a convention. Each
person has a registration date, kept in a standard date field. How do
I select for people who registered in a particular month or year? The
obvious tests like:
Select * from Capclave2005reg
Where Year('Date Paid') = 2004;
return no rows. I can extract any piece of that date I want in a
SELECT, but can't seem to use it in a WHERE clause at all. There has
to be something really obvious that I'm missing?
Barry Newton
Barry,
I strongly recommend getting rid of the spaces in your
column/table names and replace them with an underscore character _.
You are only creating problems for yourself if you leave the blanks in
the names.
Mike
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
Re: How to query on part of a date column?
At 06:20 PM 7/20/2006, Martin Jespersen wrote:
As long as backticks are used around fieldnames, spaces and/or reserved
words are fine, tho it does tend to create more work for the user ;)
Correct. But how many people want to create more work for themselves? A
show of hands please!bg
Mike
mos wrote:
At 12:02 PM 7/20/2006, you wrote:
I've got a table of people who registered for a convention. Each person
has a registration date, kept in a standard date field. How do I select
for people who registered in a particular month or year? The obvious
tests like:
Select * from Capclave2005reg
Where Year('Date Paid') = 2004;
return no rows. I can extract any piece of that date I want in a
SELECT, but can't seem to use it in a WHERE clause at all. There has to
be something really obvious that I'm missing?
Barry Newton
Barry,
I strongly recommend getting rid of the spaces in your
column/table names and replace them with an underscore character _.
You are only creating problems for yourself if you leave the blanks in
the names.
Mike
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:http://lists.mysql.com/[EMAIL PROTECTED]
