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fix: switching to data step for JSON generation in mp_jsonout and the sasjs/adapter for improved reliability when data contains special characters. Closes #12

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Allan Bowe
2021-04-07 22:28:42 +00:00
parent a7fdb52231
commit 456d10a90e
2 changed files with 17 additions and 12 deletions
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23
base/mp_jsonout.sas
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@@ -4,8 +4,11 @@
@details PROC JSON is faster but will produce errs like the ones below if
special chars are encountered.
>An object or array close is not valid at this point in the JSON text.
>Date value out of range
> ERROR: Some code points did not transcode.
> An object or array close is not valid at this point in the JSON text.
> Date value out of range
If this happens, try running with ENGINE=DATASTEP.
@@ -14,7 +17,9 @@
filename tmp temp;
data class; set sashelp.class;run;
%mp_jsonout(OPEN,jref=tmp)
%mp_jsonout(OBJ,class,jref=tmp)
%mp_jsonout(CLOSE,jref=tmp)
data _null_;
infile tmp;
@@ -27,18 +32,18 @@
For more information see https://sasjs.io
@param action Valid values:
* OPEN - opens the JSON
* OBJ - sends a table with each row as an object
* ARR - sends a table with each row in an array
* CLOSE - closes the JSON
@li OPEN - opens the JSON
@li OBJ - sends a table with each row as an object
@li ARR - sends a table with each row in an array
@li CLOSE - closes the JSON
@param ds the dataset to send. Must be a work table.
@param jref= the fileref to which to send the JSON
@param dslabel= the name to give the table in the exported JSON
@param fmt= Whether to keep or strip formats from the table
@param engine= Which engine to use to send the JSON, options are:
* PROCJSON (default)
* DATASTEP
@param engine= Which engine to use to send the JSON, valid options are:
@li PROCJSON (default)
@li DATASTEP (more reliable when data has non standard characters)
@param dbg= DEPRECATED - was used to conditionally add PRETTY to
proc json but this can cause line truncation in large files.

6
viya/mv_webout.sas
View File

@@ -1,5 +1,5 @@
/**
@file mv_webout.sas
@file
@brief Send data to/from the SAS Viya Job Execution Service
@details This macro should be added to the start of each Job Execution
Service, **immediately** followed by a call to:
@@ -11,7 +11,7 @@
following syntax:
data some datasets; * make some data ;
retain some columns;
retain some columns;
run;
%mv_webout(OPEN)
@@ -162,7 +162,7 @@
%end;
%else %if &action=ARR or &action=OBJ %then %do;
%mp_jsonout(&action,&ds,dslabel=&dslabel,fmt=&fmt
,jref=&fref,engine=PROCJSON,dbg=%str(&_debug)
,jref=&fref,engine=DATASTEP,dbg=%str(&_debug)
)
%end;
%else %if &action=CLOSE %then %do;