add more description + update the DLM file

segasai · May 24, 2011 · 3f3403c · 3f3403c
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diff --git a/README b/README
@@ -32,3 +32,17 @@ IDL> help,res,/str
    RA              DOUBLE           329.12152
    DEC             DOUBLE           44.397910
 
+
+IF you don't want to type all the time the connection info, you should 
+define the environmental variables:
+PGHOST PGDATABASE PGUSER PGPASSWORD
+export PGHOST=hostname_of_the_database_server
+export PGDATABASE=dbname
+export PGUSER=your_username
+export PGPASSWORD=your_password
+
+If you define these, you can easily query without additional arguments:
+Running the .idl_startup script...
+
+IDL> res=pgsql_query('select ra,dec from sdssdr7.phototag limit 10')
+
diff --git a/pgsql_query.dlm b/pgsql_query.dlm
@@ -23,7 +23,7 @@
 MODULE PGSQL_QUERY
 DESCRIPTION Send a query to the pgsql server and retrieve the results
 VERSION 2.0
-BUILD_DATE 03-Dec-2005
-SOURCE Erin Sheldon, UofChicago
+BUILD_DATE 24-May-2011
+SOURCE Erin Sheldon, UofChicago/Sergey Koposov University of Cambridge
 
 FUNCTION PGSQL_QUERY 0 IDL_MAXPARAMS KEYWORDS