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Merge pull request #248 from sasjs/mm_createdataset_update

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fix: cater for case of zero cols in mm_createdataset.sas
This commit is contained in:
Allan Bowe
2022-05-31 14:02:13 +03:00
committed by GitHub
parent 73e3d9d419 6fa0fc5dc6
commit de2f32da36
2 changed files with 48 additions and 32 deletions
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40
all.sas
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@@ -13801,24 +13801,23 @@ run;
%mend mm_createapplication;/** %mend mm_createapplication;/**
@file mm_createdataset.sas @file
@brief Create a dataset from a metadata definition @brief Create an empty dataset from a metadata definition
@details This macro was built to support viewing empty tables in @details This macro was built to support viewing empty tables in
https://datacontroller.io - a free evaluation copy is available by https://datacontroller.io
contacting the author (Allan Bowe).
The table can be retrieved using LIBRARY.DATASET reference, or directly The table can be retrieved using LIBRARY.DATASET reference, or directly
using the metadata URI. using the metadata URI.
The dataset is written to the WORK library. The dataset is written to the WORK library.
usage: Usage:
%mm_createdataset(libds=metlib.some_dataset) %mm_createdataset(libds=metlib.some_dataset)
or or
%mm_createdataset(tableuri=G5X8AFW1.BE00015Y) %mm_createdataset(tableuri=G5X8AFW1.BE00015Y)
<h4> SAS Macros </h4> <h4> SAS Macros </h4>
@li mm_getlibs.sas @li mm_getlibs.sas
@@ -13828,9 +13827,9 @@ run;
@param libds= library.dataset metadata source. Note - table names in metadata @param libds= library.dataset metadata source. Note - table names in metadata
can be longer than 32 chars (just fyi, not an issue here) can be longer than 32 chars (just fyi, not an issue here)
@param tableuri= Metadata URI of the table to be created @param tableuri= Metadata URI of the table to be created
@param outds= The dataset to create, default is `work.mm_createdataset`. @param outds= (work.mm_createdataset) The dataset to create. The table name
The table name needs to be 32 chars or less as per SAS naming rules. needs to be 32 chars or less as per SAS naming rules.
@param mdebug= set DBG to 1 to disable DEBUG messages @param mdebug= (0) Set to 1 to enable DEBUG messages
@version 9.4 @version 9.4
@author Allan Bowe @author Allan Bowe
@@ -13856,14 +13855,23 @@ run;
%mm_gettables(uri=&liburi,outds=&tempds2) %mm_gettables(uri=&liburi,outds=&tempds2)
data _null_; data _null_;
set &tempds2; set &tempds2;
if upcase(tablename)="%upcase(%scan(&libds,2,.))"; where upcase(tablename)="%upcase(%scan(&libds,2,.))";
&dbg putlog tableuri=;
call symputx('tableuri',tableuri); call symputx('tableuri',tableuri);
run; run;
%end; %end;
data;run;%let tempds3=&syslast; data;run;
%let tempds3=&syslast;
%mm_getcols(tableuri=&tableuri,outds=&tempds3) %mm_getcols(tableuri=&tableuri,outds=&tempds3)
%if %mf_nobs(&tempds3)=0 %then %do;
%put &libds (&tableuri) has no columns defined!!;
data &outds;
run;
%return;
%end;
data _null_; data _null_;
set &tempds3 end=last; set &tempds3 end=last;
if _n_=1 then call execute('data &outds;'); if _n_=1 then call execute('data &outds;');

40
meta/mm_createdataset.sas
View File

@@ -1,22 +1,21 @@
/** /**
@file mm_createdataset.sas @file
@brief Create a dataset from a metadata definition @brief Create an empty dataset from a metadata definition
@details This macro was built to support viewing empty tables in @details This macro was built to support viewing empty tables in
https://datacontroller.io - a free evaluation copy is available by https://datacontroller.io
contacting the author (Allan Bowe).
The table can be retrieved using LIBRARY.DATASET reference, or directly The table can be retrieved using LIBRARY.DATASET reference, or directly
using the metadata URI. using the metadata URI.
The dataset is written to the WORK library. The dataset is written to the WORK library.
usage: Usage:
%mm_createdataset(libds=metlib.some_dataset) %mm_createdataset(libds=metlib.some_dataset)
or or
%mm_createdataset(tableuri=G5X8AFW1.BE00015Y) %mm_createdataset(tableuri=G5X8AFW1.BE00015Y)
<h4> SAS Macros </h4> <h4> SAS Macros </h4>
@li mm_getlibs.sas @li mm_getlibs.sas
@@ -26,9 +25,9 @@
@param libds= library.dataset metadata source. Note - table names in metadata @param libds= library.dataset metadata source. Note - table names in metadata
can be longer than 32 chars (just fyi, not an issue here) can be longer than 32 chars (just fyi, not an issue here)
@param tableuri= Metadata URI of the table to be created @param tableuri= Metadata URI of the table to be created
@param outds= The dataset to create, default is `work.mm_createdataset`. @param outds= (work.mm_createdataset) The dataset to create. The table name
The table name needs to be 32 chars or less as per SAS naming rules. needs to be 32 chars or less as per SAS naming rules.
@param mdebug= set DBG to 1 to disable DEBUG messages @param mdebug= (0) Set to 1 to enable DEBUG messages
@version 9.4 @version 9.4
@author Allan Bowe @author Allan Bowe
@@ -54,14 +53,23 @@
%mm_gettables(uri=&liburi,outds=&tempds2) %mm_gettables(uri=&liburi,outds=&tempds2)
data _null_; data _null_;
set &tempds2; set &tempds2;
if upcase(tablename)="%upcase(%scan(&libds,2,.))"; where upcase(tablename)="%upcase(%scan(&libds,2,.))";
&dbg putlog tableuri=;
call symputx('tableuri',tableuri); call symputx('tableuri',tableuri);
run; run;
%end; %end;
data;run;%let tempds3=&syslast; data;run;
%let tempds3=&syslast;
%mm_getcols(tableuri=&tableuri,outds=&tempds3) %mm_getcols(tableuri=&tableuri,outds=&tempds3)
%if %mf_nobs(&tempds3)=0 %then %do;
%put &libds (&tableuri) has no columns defined!!;
data &outds;
run;
%return;
%end;
data _null_; data _null_;
set &tempds3 end=last; set &tempds3 end=last;
if _n_=1 then call execute('data &outds;'); if _n_=1 then call execute('data &outds;');