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version 2.1
recompiled with new framework setup
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65
packages/SQLinDS/001_macro/dssql_inner.sas
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65
packages/SQLinDS/001_macro/dssql_inner.sas
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/*** HELP START ***/
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/* >>> %dsSQL_Inner() macro: <<<
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*
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* Internal macro called by dsSQL() function.
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* The macro generates a uniqualy named sql view on the fly
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* which is stored in DSSQL library.
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*
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* Recommended for SAS 9.3 and higher.
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* Based on paper:
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* "Use the Full Power of SAS in Your Function-Style Macros"
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* by Mike Rhoads, Westat, Rockville, MD
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* https://support.sas.com/resources/papers/proceedings12/004-2012.pdf
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*
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**/
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/*** HELP END ***/
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/* inner macro */
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%MACRO dsSQL_Inner() / secure;
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%local query tempfile1 tempfile2 ps_tmp;
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%let query = %superq(query_arg);
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%let query = %sysfunc(dequote(&query));
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%let viewname = dsSQL.dsSQLtmpview&UNIQUE_INDEX_2.;
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%let tempfile1 = A%sysfunc(datetime(), hex7.);
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%let tempfile2 = B%sysfunc(datetime(), hex7.);
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filename &tempfile1. temp;
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filename &tempfile2. temp;
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%let ps_tmp = %sysfunc(getoption(ps));
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options ps = MAX;
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proc printto log = &tempfile1.;
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run;
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/* get the query shape i.e. the executed one */
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proc sql feedback noexec;
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&query
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;
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quit;
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proc printto;
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run;
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options ps = &ps_tmp.;
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%put *** executed as ***;
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data _null_;
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infile &tempfile1. FIRSTOBS = 2; /* <- 2 to ignore header */
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file &tempfile2.;
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/* create the view name */
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if _N_ = 1 then
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put " create view &viewname. as ";
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input;
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put _infile_;
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putlog ">" _infile_;
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run;
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%put *****************;
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proc sql;
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%include &tempfile2.; /* &query */
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;
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quit;
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filename &tempfile1. clear;
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filename &tempfile2. clear;
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%MEND dsSQL_Inner;
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