ABAP Select data from SAP table SAPWLSUMRY into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SAPWLSUMRY table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to SAPWLSUMRY. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the SAPWLSUMRY table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_SAPWLSUMRY TYPE STANDARD TABLE OF SAPWLSUMRY,
      WA_SAPWLSUMRY TYPE SAPWLSUMRY,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <SAPWLSUMRY> TYPE SAPWLSUMRY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SAPWLSUMRY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SAPWLSUMRY
  INTO TABLE IT_SAPWLSUMRY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SAPWLSUMRY
*  INTO TABLE @DATA(IT_SAPWLSUMRY2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_SAPWLSUMRY INDEX 1 INTO DATA(WA_SAPWLSUMRY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SAPWLSUMRY ASSIGNING <SAPWLSUMRY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SAPWLSUMRY>-TASKTYPE = 1.
<SAPWLSUMRY>-FIRSTRECTI = 1.
<SAPWLSUMRY>-FIRSTRECDY = 1.
<SAPWLSUMRY>-LASTRECTI = 1.
<SAPWLSUMRY>-LASTRECDY = 1.

ENDLOOP.

LOOP AT IT_SAPWLSUMRY INTO WA_SAPWLSUMRY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SAPWLSUMRY-COUNT, sy-vline,
  WA_SAPWLSUMRY-DBACTIVCNT, sy-vline,
  WA_SAPWLSUMRY-QUEUELIMIT, sy-vline,
  WA_SAPWLSUMRY-ELAPSEDTI, sy-vline,
  WA_SAPWLSUMRY-RESPTI, sy-vline,
  WA_SAPWLSUMRY-CPUTI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SAPWLSUMRY you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_SAPWLSUMRY TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_SAPWLSUMRY INTO WA_SAPWLSUMRY.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_SAPWLSUMRY_STR, 
TASKTYPE TYPE STRING,
FIRSTRECTI TYPE STRING,
FIRSTRECDY TYPE STRING,
LASTRECTI TYPE STRING,
LASTRECDY TYPE STRING,
COUNT TYPE STRING,
DBACTIVCNT TYPE STRING,
QUEUELIMIT TYPE STRING,
ELAPSEDTI TYPE STRING,
RESPTI TYPE STRING,
CPUTI TYPE STRING,
QUEUETI TYPE STRING,
LOADGENTI TYPE STRING,
COMMITTI TYPE STRING,
DDICTI TYPE STRING,
QUETI TYPE STRING,
CPICTI TYPE STRING,
MCODETI TYPE STRING,
ROLLINCNT TYPE STRING,
ROLLINSTEP TYPE STRING,
ROLLINTI TYPE STRING,
ROLLOUTCNT TYPE STRING,
ROLLOUTSTP TYPE STRING,
ROLLOUTTI TYPE STRING,
ROLLSTEP TYPE STRING,
ROLLWAITTI TYPE STRING,
ROLLTI TYPE STRING,
READDIRCNT TYPE STRING,
READDIRTI TYPE STRING,
READDIRBUF TYPE STRING,
READDIRREC TYPE STRING,
READSEQCNT TYPE STRING,
READSEQTI TYPE STRING,
READSEQBUF TYPE STRING,
READSEQREC TYPE STRING,
CHNGCNT TYPE STRING,
CHNGTI TYPE STRING,
CHNGREC TYPE STRING,
PHYREADCNT TYPE STRING,
PHYCHNGREC TYPE STRING,
MCREADCNT TYPE STRING,
MCCHNGCNT TYPE STRING,
PHYCALLS TYPE STRING,
BYTES TYPE STRING,
LOCKTI TYPE STRING,
CNT001 TYPE STRING,
CNT002 TYPE STRING,
CNT003 TYPE STRING,
CNT004 TYPE STRING,
CNT005 TYPE STRING,
CNT006 TYPE STRING,
CNT007 TYPE STRING,
CNT008 TYPE STRING,
CNT009 TYPE STRING,
GUITIME TYPE STRING,
GUICNT TYPE STRING,
GUINETTIME TYPE STRING,
DBP_COUNT TYPE STRING,
DBP_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SAPWLSUMRY_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_SAPWLSUMRY_STR-TASKTYPE sy-vline 
WA_SAPWLSUMRY_STR-FIRSTRECTI sy-vline 
WA_SAPWLSUMRY_STR-FIRSTRECDY sy-vline 
WA_SAPWLSUMRY_STR-LASTRECTI sy-vline 
WA_SAPWLSUMRY_STR-LASTRECDY sy-vline 
WA_SAPWLSUMRY_STR-COUNT sy-vline 
WA_SAPWLSUMRY_STR-DBACTIVCNT sy-vline 
WA_SAPWLSUMRY_STR-QUEUELIMIT sy-vline 
WA_SAPWLSUMRY_STR-ELAPSEDTI sy-vline 
WA_SAPWLSUMRY_STR-RESPTI sy-vline 
WA_SAPWLSUMRY_STR-CPUTI sy-vline 
WA_SAPWLSUMRY_STR-QUEUETI sy-vline 
WA_SAPWLSUMRY_STR-LOADGENTI sy-vline 
WA_SAPWLSUMRY_STR-COMMITTI sy-vline 
WA_SAPWLSUMRY_STR-DDICTI sy-vline 
WA_SAPWLSUMRY_STR-QUETI sy-vline 
WA_SAPWLSUMRY_STR-CPICTI sy-vline 
WA_SAPWLSUMRY_STR-MCODETI sy-vline 
WA_SAPWLSUMRY_STR-ROLLINCNT sy-vline 
WA_SAPWLSUMRY_STR-ROLLINSTEP sy-vline 
WA_SAPWLSUMRY_STR-ROLLINTI sy-vline 
WA_SAPWLSUMRY_STR-ROLLOUTCNT sy-vline 
WA_SAPWLSUMRY_STR-ROLLOUTSTP sy-vline 
WA_SAPWLSUMRY_STR-ROLLOUTTI sy-vline 
WA_SAPWLSUMRY_STR-ROLLSTEP sy-vline 
WA_SAPWLSUMRY_STR-ROLLWAITTI sy-vline 
WA_SAPWLSUMRY_STR-ROLLTI sy-vline 
WA_SAPWLSUMRY_STR-READDIRCNT sy-vline 
WA_SAPWLSUMRY_STR-READDIRTI sy-vline 
WA_SAPWLSUMRY_STR-READDIRBUF sy-vline 
WA_SAPWLSUMRY_STR-READDIRREC sy-vline 
WA_SAPWLSUMRY_STR-READSEQCNT sy-vline 
WA_SAPWLSUMRY_STR-READSEQTI sy-vline 
WA_SAPWLSUMRY_STR-READSEQBUF sy-vline 
WA_SAPWLSUMRY_STR-READSEQREC sy-vline 
WA_SAPWLSUMRY_STR-CHNGCNT sy-vline 
WA_SAPWLSUMRY_STR-CHNGTI sy-vline 
WA_SAPWLSUMRY_STR-CHNGREC sy-vline 
WA_SAPWLSUMRY_STR-PHYREADCNT sy-vline 
WA_SAPWLSUMRY_STR-PHYCHNGREC sy-vline 
WA_SAPWLSUMRY_STR-MCREADCNT sy-vline 
WA_SAPWLSUMRY_STR-MCCHNGCNT sy-vline 
WA_SAPWLSUMRY_STR-PHYCALLS sy-vline 
WA_SAPWLSUMRY_STR-BYTES sy-vline 
WA_SAPWLSUMRY_STR-LOCKTI sy-vline 
WA_SAPWLSUMRY_STR-CNT001 sy-vline 
WA_SAPWLSUMRY_STR-CNT002 sy-vline 
WA_SAPWLSUMRY_STR-CNT003 sy-vline 
WA_SAPWLSUMRY_STR-CNT004 sy-vline 
WA_SAPWLSUMRY_STR-CNT005 sy-vline 
WA_SAPWLSUMRY_STR-CNT006 sy-vline 
WA_SAPWLSUMRY_STR-CNT007 sy-vline 
WA_SAPWLSUMRY_STR-CNT008 sy-vline 
WA_SAPWLSUMRY_STR-CNT009 sy-vline 
WA_SAPWLSUMRY_STR-GUITIME sy-vline 
WA_SAPWLSUMRY_STR-GUICNT sy-vline 
WA_SAPWLSUMRY_STR-GUINETTIME sy-vline 
WA_SAPWLSUMRY_STR-DBP_COUNT sy-vline 
WA_SAPWLSUMRY_STR-DBP_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.