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111 lines
3.4 KiB
SAS
111 lines
3.4 KiB
SAS
/**
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@file
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@brief Export dataset metadata to a single output table
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@details Exports the dataset attributes and enginehost information, then
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converts the datasets into a single output table in the following format:
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|ODS_TABLE:$10.|NAME:$100.|VALUE:$1000.|
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|---|---|---|
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|`ATTRIBUTES `|`Data Set Name `|`SASHELP.CLASS `|
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|`ATTRIBUTES `|`Observations `|`19 `|
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|`ATTRIBUTES `|`Member Type `|`DATA `|
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|`ATTRIBUTES `|`Variables `|`5 `|
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|`ATTRIBUTES `|`Engine `|`V9 `|
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|`ATTRIBUTES `|`Indexes `|`0 `|
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|`ATTRIBUTES `|`Created `|`06/08/2020 00:59:14 `|
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|`ATTRIBUTES `|`Observation Length `|`40 `|
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|`ATTRIBUTES `|`Last Modified `|`06/08/2020 00:59:14 `|
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|`ATTRIBUTES `|`Deleted Observations `|`0 `|
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|`ATTRIBUTES `|`Protection `|`. `|
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|`ATTRIBUTES `|`Compressed `|`NO `|
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|`ATTRIBUTES `|`Data Set Type `|`. `|
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|`ATTRIBUTES `|`Sorted `|`NO `|
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|`ATTRIBUTES `|`Label `|`Student Data `|
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|`ATTRIBUTES `|`Data Representation `|`SOLARIS_X86_64, LINUX_X86_64, ALPHA_TRU64, LINUX_IA64 `|
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|`ATTRIBUTES `|`Encoding `|`us-ascii ASCII (ANSI) `|
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|`ENGINEHOST `|`Data Set Page Size `|`65536 `|
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|`ENGINEHOST `|`Number of Data Set Pages `|`1 `|
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|`ENGINEHOST `|`First Data Page `|`1 `|
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|`ENGINEHOST `|`Max Obs per Page `|`1632 `|
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|`ENGINEHOST `|`Obs in First Data Page `|`19 `|
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|`ENGINEHOST `|`Number of Data Set Repairs `|`0 `|
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|`ENGINEHOST `|`Filename `|`/opt/sas/sas9/SASHome/SASFoundation/9.4/sashelp/class.sas7bdat `|
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|`ENGINEHOST `|`Release Created `|`9.0401M7 `|
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|`ENGINEHOST `|`Host Created `|`Linux `|
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|`ENGINEHOST `|`Inode Number `|`28314616 `|
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|`ENGINEHOST `|`Access Permission `|`rw-r--r-- `|
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|`ENGINEHOST `|`Owner Name `|`sas `|
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|`ENGINEHOST `|`File Size `|`128KB `|
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|`ENGINEHOST `|`File Size (bytes) `|`131072 `|
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Example usage:
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%mp_dsmeta(sashelp.class,outds=work.mymeta)
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proc print data=work.mymeta;
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run;
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For more details on creating datasets from PROC CONTENTS check out this
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excellent [paper](
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https://support.sas.com/resources/papers/proceedings14/1549-2014.pdf) by
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[Louise Hadden](https://www.linkedin.com/in/louisehadden/).
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@param [in] libds The library.dataset to export the metadata for
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@param [out] outds= (work.dsmeta) The output table to contain the metadata
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<h4> Related Files </h4>
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@li mp_dsmeta.test.sas
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@li mp_getcols.sas
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@li mp_getdbml.sas
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@li mp_getddl.sas
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@li mp_getformats.sas
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@li mp_getpk.sas
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@li mp_guesspk.sas
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**/
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%macro mp_dsmeta(libds,outds=work.dsmeta);
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%local ds1 ds2;
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data;run; %let ds1=&syslast;
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data;run; %let ds2=&syslast;
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/* setup the ODS capture */
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ods output attributes=&ds1 enginehost=&ds2;
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/* export the metadata */
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proc contents data=&libds;
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run;
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/* load it into a single table */
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data &outds (keep=ods_table name value);
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length ods_table $10 name label2 label1 label $100
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value cvalue cvalue1 cvalue2 $1000
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nvalue nvalue1 nvalue2 8;
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if _n_=1 then call missing (of _all_);
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* putlog (_all_)(=);
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set &ds1 (in=atrs) &ds2 (in=eng);
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if atrs then do;
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ods_table='ATTRIBUTES';
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name=coalescec(label1,label);
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value=coalescec(cvalue1,cvalue,put(coalesce(nvalue1,nvalue),best.));
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output;
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if label2 ne '' then do;
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name=label2;
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value=coalescec(cvalue2,put(nvalue2,best.));
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output;
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end;
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end;
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else if eng then do;
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ods_table='ENGINEHOST';
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name=coalescec(label1,label);
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value=coalescec(cvalue1,cvalue,put(coalesce(nvalue1,nvalue),best.));
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output;
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end;
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run;
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proc sql;
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drop table &ds1, &ds2;
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%mend mp_dsmeta;
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