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st: How to cite a macro in ODBC's SQL select statement
From
"G. Dai" <[email protected]>
To
statalist <[email protected]>
Subject
st: How to cite a macro in ODBC's SQL select statement
Date
Fri, 18 Nov 2011 09:47:38 -0700
hi all,
I have one problem about how to cite macro in ODBC.
For example, I try to read some variables yesterday's value into the
memory of Stata, what I did is
local todate=date(c(current_date),"DMY")
local ydate=`todate'-1
local yyear=year(`ydate')
local ymonth=month(`ydate')
local yday=day(`ydate')
odbc load, exec("SELECT BEGIN_DATE END_DATE VARIABLES WHERE
BEGIN_DATE BETWEEN TO_DATE ('`ymonth'/`yday'/`yyear' 00', 'MM/DD/YYYY
HH24') AND TO_DATE ('`ymonth'/`yday'/`yyear' 00', 'MM/DD/YYYY
HH24')") dsn("SQL Database1")
However, this doesn't work since the SQL select statement ignors the
Stata macro.
What should I do?
Thanks,
G.
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