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feat: updating mp_ds2inserts to support postgres database

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This commit is contained in:
Allan Bowe
2021-07-27 11:07:12 +03:00
parent a5baf46233
commit 00fa464a7c
2 changed files with 106 additions and 22 deletions
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64
all.sas
View File

@@ -3444,6 +3444,10 @@ run;
located. If not provided, is ignored. located. If not provided, is ignored.
@param [out] outds= (0) The output table to load. If not provided, will @param [out] outds= (0) The output table to load. If not provided, will
default to the table in the &ds parameter. default to the table in the &ds parameter.
@param [in] flavour= (BASE) The SQL flavour to be applied to the output. Valid
options:
@li BASE (default) - suitable for regular proc sql
@li PGSQL - Used for Postgres databases
<h4> SAS Macros </h4> <h4> SAS Macros </h4>
@li mf_existfileref.sas @li mf_existfileref.sas
@@ -3455,18 +3459,29 @@ run;
@author Allan Bowe (credit mjsq) @author Allan Bowe (credit mjsq)
**/ **/
%macro mp_ds2inserts(ds, outref=0,outlib=0,outds=0 %macro mp_ds2inserts(ds, outref=0,outlib=0,outds=0,flavour=BASE
)/*/STORE SOURCE*/; )/*/STORE SOURCE*/;
%if not %sysfunc(exist(&ds)) %then %do; %if not %sysfunc(exist(&ds)) %then %do;
%put %str(WARN)ING: &ds does not exist; %put %str(WAR)NING: &ds does not exist;
%return;
%end;
%if not %sysfunc(exist(&ds)) %then %do;
%put %str(WAR)NING: &ds does not exist;
%return; %return;
%end; %end;
%if %index(&ds,.)=0 %then %let ds=WORK.&ds; %if %index(&ds,.)=0 %then %let ds=WORK.&ds;
%let flavour=%upcase(&flavour);
%if &flavour ne BASE and &flavour ne PGSQL %then %do;
%put %str(WAR)NING: &flavour is not supported;
%return;
%end;
%if &outref=0 %then %do; %if &outref=0 %then %do;
%put %str(WARN)ING: Please provide a fileref; %put %str(WAR)NING: Please provide a fileref;
%return; %return;
%end; %end;
%if %mf_existfileref(&outref)=0 %then %do; %if %mf_existfileref(&outref)=0 %then %do;
@@ -3497,8 +3512,9 @@ select count(*) into: nobs TRIMMED from &ds;
run; run;
%end; %end;
%local varlist; %local varlist varlistcomma;
%let varlist=%mf_getvarlist(&ds); %let varlist=%mf_getvarlist(&ds);
%let varlistcomma=%mf_getvarlist(&ds,dlm=%str(,),quote=double);
/* next, export data */ /* next, export data */
data _null_; data _null_;
@@ -3513,23 +3529,49 @@ data _null_;
%let var=%scan(&varlist,&i); %let var=%scan(&varlist,&i);
%let vtype=%mf_getvartype(&ds,&var); %let vtype=%mf_getvartype(&ds,&var);
%if &i=1 %then %do; %if &i=1 %then %do;
put "insert into &outlib.&outds set "; %if &flavour=BASE %then %do;
put " &var="@; put "insert into &outlib.&outds set ";
put " &var="@;
%end;
%else %if &flavour=PGSQL %then %do;
_____str=cats(
"INSERT INTO &outlib.&outds ("
,symget('varlistcomma')
,") VALUES ("
);
put _____str;
put " "@;
%end;
%end; %end;
%else %do; %else %do;
put " ,&var="@; %if &flavour=BASE %then %do;
put " ,&var="@;
%end;
%else %if &flavour=PGSQL %then %do;
put " ,"@;
%end;
%end; %end;
%if &vtype=N %then %do; %if &vtype=N %then %do;
/* @todo - deal with nulls in other db flavours */ %if &flavour=BASE %then %do;
/* from ._ to .z */ put &var;
put &var; %end;
%else %if &flavour=PGSQL %then %do;
if missing(&var) then put 'NULL';
else put &var;
%end;
%end; %end;
%else %do; %else %do;
_____str="'"!!trim(tranwrd(&var,"'","''"))!!"'"; _____str="'"!!trim(tranwrd(&var,"'","''"))!!"'";
put _____str; put _____str;
%end; %end;
%end; %end;
put ';'; %if &flavour=BASE %then %do;
put ';';
%end;
%else %if &flavour=PGSQL %then %do;
put ');';
%end;
if _n_=&nobs then put /; if _n_=&nobs then put /;
run; run;

64
base/mp_ds2inserts.sas
View File

@@ -20,6 +20,10 @@
located. If not provided, is ignored. located. If not provided, is ignored.
@param [out] outds= (0) The output table to load. If not provided, will @param [out] outds= (0) The output table to load. If not provided, will
default to the table in the &ds parameter. default to the table in the &ds parameter.
@param [in] flavour= (BASE) The SQL flavour to be applied to the output. Valid
options:
@li BASE (default) - suitable for regular proc sql
@li PGSQL - Used for Postgres databases
<h4> SAS Macros </h4> <h4> SAS Macros </h4>
@li mf_existfileref.sas @li mf_existfileref.sas
@@ -31,18 +35,29 @@
@author Allan Bowe (credit mjsq) @author Allan Bowe (credit mjsq)
**/ **/
%macro mp_ds2inserts(ds, outref=0,outlib=0,outds=0 %macro mp_ds2inserts(ds, outref=0,outlib=0,outds=0,flavour=BASE
)/*/STORE SOURCE*/; )/*/STORE SOURCE*/;
%if not %sysfunc(exist(&ds)) %then %do; %if not %sysfunc(exist(&ds)) %then %do;
%put %str(WARN)ING: &ds does not exist; %put %str(WAR)NING: &ds does not exist;
%return;
%end;
%if not %sysfunc(exist(&ds)) %then %do;
%put %str(WAR)NING: &ds does not exist;
%return; %return;
%end; %end;
%if %index(&ds,.)=0 %then %let ds=WORK.&ds; %if %index(&ds,.)=0 %then %let ds=WORK.&ds;
%let flavour=%upcase(&flavour);
%if &flavour ne BASE and &flavour ne PGSQL %then %do;
%put %str(WAR)NING: &flavour is not supported;
%return;
%end;
%if &outref=0 %then %do; %if &outref=0 %then %do;
%put %str(WARN)ING: Please provide a fileref; %put %str(WAR)NING: Please provide a fileref;
%return; %return;
%end; %end;
%if %mf_existfileref(&outref)=0 %then %do; %if %mf_existfileref(&outref)=0 %then %do;
@@ -73,8 +88,9 @@ select count(*) into: nobs TRIMMED from &ds;
run; run;
%end; %end;
%local varlist; %local varlist varlistcomma;
%let varlist=%mf_getvarlist(&ds); %let varlist=%mf_getvarlist(&ds);
%let varlistcomma=%mf_getvarlist(&ds,dlm=%str(,),quote=double);
/* next, export data */ /* next, export data */
data _null_; data _null_;
@@ -89,23 +105,49 @@ data _null_;
%let var=%scan(&varlist,&i); %let var=%scan(&varlist,&i);
%let vtype=%mf_getvartype(&ds,&var); %let vtype=%mf_getvartype(&ds,&var);
%if &i=1 %then %do; %if &i=1 %then %do;
put "insert into &outlib.&outds set "; %if &flavour=BASE %then %do;
put " &var="@; put "insert into &outlib.&outds set ";
put " &var="@;
%end;
%else %if &flavour=PGSQL %then %do;
_____str=cats(
"INSERT INTO &outlib.&outds ("
,symget('varlistcomma')
,") VALUES ("
);
put _____str;
put " "@;
%end;
%end; %end;
%else %do; %else %do;
put " ,&var="@; %if &flavour=BASE %then %do;
put " ,&var="@;
%end;
%else %if &flavour=PGSQL %then %do;
put " ,"@;
%end;
%end; %end;
%if &vtype=N %then %do; %if &vtype=N %then %do;
/* @todo - deal with nulls in other db flavours */ %if &flavour=BASE %then %do;
/* from ._ to .z */ put &var;
put &var; %end;
%else %if &flavour=PGSQL %then %do;
if missing(&var) then put 'NULL';
else put &var;
%end;
%end; %end;
%else %do; %else %do;
_____str="'"!!trim(tranwrd(&var,"'","''"))!!"'"; _____str="'"!!trim(tranwrd(&var,"'","''"))!!"'";
put _____str; put _____str;
%end; %end;
%end; %end;
put ';'; %if &flavour=BASE %then %do;
put ';';
%end;
%else %if &flavour=PGSQL %then %do;
put ');';
%end;
if _n_=&nobs then put /; if _n_=&nobs then put /;
run; run;