Evaluating a String

2002-05-21 Thread Ang Ho Keat

How do you do this:

SELECT * FROM table1 WHERE table1.field1=0
--
SELECT * FROM table1 WHERE table1.field1=0

Is there a function in mysql that allows you to
evaluate(dunno whether I use the correct term here)
the string and not to treat it like a string?

TIA.
Ho Keat


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RE: Evaluating a String

2002-05-21 Thread Ang Ho Keat

I think I will describe the problem in detail.
I using Container-Managed Persistence (CMP) beans in
J2EE RI 1.3.  I will like to specify the SQL for one
of the finder methods to be:

   SELECT * FROM table1 WHERE ( ? )

This is to faciliate me manipulating the WHERE clause
b4 sending it as a string into the finder method.

I THINK the J2EE sever will insert the string (say
table1.field1=0) into the SQL as
   SELECT * FROM table1 WHERE ( table1.field1=0 )
and NOT
   SELECT * FROM table1 WHERE ( table1.field1=0 )

The latter is the correct syntax, note that there's NO
SINGEL/DOUBLE QUOTES on the string and this is what I
want to achieve.  I'm wondering if there's a function
that allows you to do something like this:
   SELECT * FROM table1 WHERE (
function(table1.field1=0) )
will give you
  SELECT * FROM table1 WHERE ( table1.field1=0 )

TIA
Ho Keat


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