demo package files added

SQLinDS/001_macro/dssql_inner.sas

@@ -0,0 +1,29 @@
+/*** HELP START ***/
+
+/* >>> %dsSQL_Inner() macro: <<<
+ *
+ * Internal macro called by dsSQL() function. 
+ *  
+ * Recomnended for SAS 9.3 and higher. 
+ * Based on paper: 
+ * "Use the Full Power of SAS in Your Function-Style Macros"
+ * by Mike Rhoads, Westat, Rockville, MD
+ * https://support.sas.com/resources/papers/proceedings12/004-2012.pdf
+ *
+**/
+
+/*** HELP END ***/
+
+/* inner macro */
+%MACRO dsSQL_Inner() / SECURE;
+  %local query;
+  %let query = %superq(query_arg); 
+  %let query = %sysfunc(dequote(&query));
+
+  %let viewname = dsSQL.dsSQLtmpview&UNIQUE_INDEX_2.;
+  proc sql;
+    create view &viewname as 
+      &query
+    ;
+  quit;
+%MEND dsSQL_Inner;