ABAP Select data from SAP table SGLWLPFNRMKB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SGLWLPFNRMKB 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 SGLWLPFNRMKB. 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 SGLWLPFNRMKB 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_SGLWLPFNRMKB TYPE STANDARD TABLE OF SGLWLPFNRMKB,
      WA_SGLWLPFNRMKB TYPE SGLWLPFNRMKB,
      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: <SGLWLPFNRMKB> TYPE SGLWLPFNRMKB.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SGLWLPFNRMKB
*  INTO TABLE @DATA(IT_SGLWLPFNRMKB2).
*--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_SGLWLPFNRMKB INDEX 1 INTO DATA(WA_SGLWLPFNRMKB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SGLWLPFNRMKB>-RECNO = 1.
<SGLWLPFNRMKB>-DISPCNT = 1.
<SGLWLPFNRMKB>-DATE = 1.
<SGLWLPFNRMKB>-STARTDATE = 1.
<SGLWLPFNRMKB>-STARTTIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SGLWLPFNRMKB-ENDDATE, sy-vline,
  WA_SGLWLPFNRMKB-ENDTIME, sy-vline,
  WA_SGLWLPFNRMKB-RESPTI, sy-vline,
  WA_SGLWLPFNRMKB-CPUTI, sy-vline,
  WA_SGLWLPFNRMKB-QUEUETI, sy-vline,
  WA_SGLWLPFNRMKB-WPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SGLWLPFNRMKB 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_SGLWLPFNRMKB 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_SGLWLPFNRMKB INTO WA_SGLWLPFNRMKB.


*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_SGLWLPFNRMKB_STR, 
RECNO TYPE STRING,
DISPCNT TYPE STRING,
DATE TYPE STRING,
STARTDATE TYPE STRING,
STARTTIME TYPE STRING,
ENDDATE TYPE STRING,
ENDTIME TYPE STRING,
RESPTI TYPE STRING,
CPUTI TYPE STRING,
QUEUETI TYPE STRING,
WPID TYPE STRING,
TASKTYPE TYPE STRING,
TABLOAD TYPE STRING,
DYNPRONR TYPE STRING,
REPORT TYPE STRING,
ACCOUNT TYPE STRING,
MANDT TYPE STRING,
ROLLKEY TYPE STRING,
INPUTLEN TYPE STRING,
OUTPUTLEN TYPE STRING,
MAXROLL TYPE STRING,
MAXPAGE TYPE STRING,
ROLLINCNT TYPE STRING,
ROLLINTI TYPE STRING,
ROLLOUTCNT TYPE STRING,
ROLLOUTTI TYPE STRING,
LOCKCNT TYPE STRING,
LOCKTI TYPE STRING,
READDIRCNT TYPE STRING,
READDIRTI TYPE STRING,
READDIRREC TYPE STRING,
READDIRBUF TYPE STRING,
READSEQCNT TYPE STRING,
READSEQTI TYPE STRING,
READSEQREC TYPE STRING,
READSEQBUF TYPE STRING,
PHYREADCNT TYPE STRING,
INSCNT TYPE STRING,
INSTI TYPE STRING,
INSREC TYPE STRING,
PHYINSCNT TYPE STRING,
UPDCNT TYPE STRING,
UPDTI TYPE STRING,
UPDREC TYPE STRING,
PHYUPDCNT TYPE STRING,
DELCNT TYPE STRING,
DELTI TYPE STRING,
DELREC TYPE STRING,
PHYDELCNT TYPE STRING,
COMMITTI TYPE STRING,
GENERATETI TYPE STRING,
REPLOADTI TYPE STRING,
CUALOADTI TYPE STRING,
DYNPLOADTI TYPE STRING,
DSQLCNT TYPE STRING,
QUECNT TYPE STRING,
QUETI TYPE STRING,
DDICTI TYPE STRING,
RFCCNT TYPE STRING,
RFCTI TYPE STRING,
MEMSUM TYPE STRING,
PRIVSUM TYPE STRING,
USEDBYTES TYPE STRING,
MAXBYTES TYPE STRING,
MAXBYTESDI TYPE STRING,
PRIVMODE TYPE STRING,
WPRESTART TYPE STRING,
TRANSID TYPE STRING,
ROLLED_OUT TYPE STRING,
DBPROCCNT TYPE STRING,
DBPROCTI TYPE STRING,
LUW_INFO TYPE STRING,
SLI_CNT TYPE STRING,
TERMINALID TYPE STRING,
CUA_PROG TYPE STRING,
CUA_FUNC TYPE STRING,
TCODE TYPE STRING,
V1SATI TYPE STRING,
GUITIME TYPE STRING,
GUICNT TYPE STRING,
GUINETTIME TYPE STRING,
STARTTIME1 TYPE STRING,
STARTTIME2 TYPE STRING,
ENDTIME1 TYPE STRING,
ENDTIME2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SGLWLPFNRMKB_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_SGLWLPFNRMKB_STR-RECNO sy-vline 
WA_SGLWLPFNRMKB_STR-DISPCNT sy-vline 
WA_SGLWLPFNRMKB_STR-DATE sy-vline 
WA_SGLWLPFNRMKB_STR-STARTDATE sy-vline 
WA_SGLWLPFNRMKB_STR-STARTTIME sy-vline 
WA_SGLWLPFNRMKB_STR-ENDDATE sy-vline 
WA_SGLWLPFNRMKB_STR-ENDTIME sy-vline 
WA_SGLWLPFNRMKB_STR-RESPTI sy-vline 
WA_SGLWLPFNRMKB_STR-CPUTI sy-vline 
WA_SGLWLPFNRMKB_STR-QUEUETI sy-vline 
WA_SGLWLPFNRMKB_STR-WPID sy-vline 
WA_SGLWLPFNRMKB_STR-TASKTYPE sy-vline 
WA_SGLWLPFNRMKB_STR-TABLOAD sy-vline 
WA_SGLWLPFNRMKB_STR-DYNPRONR sy-vline 
WA_SGLWLPFNRMKB_STR-REPORT sy-vline 
WA_SGLWLPFNRMKB_STR-ACCOUNT sy-vline 
WA_SGLWLPFNRMKB_STR-MANDT sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLKEY sy-vline 
WA_SGLWLPFNRMKB_STR-INPUTLEN sy-vline 
WA_SGLWLPFNRMKB_STR-OUTPUTLEN sy-vline 
WA_SGLWLPFNRMKB_STR-MAXROLL sy-vline 
WA_SGLWLPFNRMKB_STR-MAXPAGE sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLINCNT sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLINTI sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLOUTCNT sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLOUTTI sy-vline 
WA_SGLWLPFNRMKB_STR-LOCKCNT sy-vline 
WA_SGLWLPFNRMKB_STR-LOCKTI sy-vline 
WA_SGLWLPFNRMKB_STR-READDIRCNT sy-vline 
WA_SGLWLPFNRMKB_STR-READDIRTI sy-vline 
WA_SGLWLPFNRMKB_STR-READDIRREC sy-vline 
WA_SGLWLPFNRMKB_STR-READDIRBUF sy-vline 
WA_SGLWLPFNRMKB_STR-READSEQCNT sy-vline 
WA_SGLWLPFNRMKB_STR-READSEQTI sy-vline 
WA_SGLWLPFNRMKB_STR-READSEQREC sy-vline 
WA_SGLWLPFNRMKB_STR-READSEQBUF sy-vline 
WA_SGLWLPFNRMKB_STR-PHYREADCNT sy-vline 
WA_SGLWLPFNRMKB_STR-INSCNT sy-vline 
WA_SGLWLPFNRMKB_STR-INSTI sy-vline 
WA_SGLWLPFNRMKB_STR-INSREC sy-vline 
WA_SGLWLPFNRMKB_STR-PHYINSCNT sy-vline 
WA_SGLWLPFNRMKB_STR-UPDCNT sy-vline 
WA_SGLWLPFNRMKB_STR-UPDTI sy-vline 
WA_SGLWLPFNRMKB_STR-UPDREC sy-vline 
WA_SGLWLPFNRMKB_STR-PHYUPDCNT sy-vline 
WA_SGLWLPFNRMKB_STR-DELCNT sy-vline 
WA_SGLWLPFNRMKB_STR-DELTI sy-vline 
WA_SGLWLPFNRMKB_STR-DELREC sy-vline 
WA_SGLWLPFNRMKB_STR-PHYDELCNT sy-vline 
WA_SGLWLPFNRMKB_STR-COMMITTI sy-vline 
WA_SGLWLPFNRMKB_STR-GENERATETI sy-vline 
WA_SGLWLPFNRMKB_STR-REPLOADTI sy-vline 
WA_SGLWLPFNRMKB_STR-CUALOADTI sy-vline 
WA_SGLWLPFNRMKB_STR-DYNPLOADTI sy-vline 
WA_SGLWLPFNRMKB_STR-DSQLCNT sy-vline 
WA_SGLWLPFNRMKB_STR-QUECNT sy-vline 
WA_SGLWLPFNRMKB_STR-QUETI sy-vline 
WA_SGLWLPFNRMKB_STR-DDICTI sy-vline 
WA_SGLWLPFNRMKB_STR-RFCCNT sy-vline 
WA_SGLWLPFNRMKB_STR-RFCTI sy-vline 
WA_SGLWLPFNRMKB_STR-MEMSUM sy-vline 
WA_SGLWLPFNRMKB_STR-PRIVSUM sy-vline 
WA_SGLWLPFNRMKB_STR-USEDBYTES sy-vline 
WA_SGLWLPFNRMKB_STR-MAXBYTES sy-vline 
WA_SGLWLPFNRMKB_STR-MAXBYTESDI sy-vline 
WA_SGLWLPFNRMKB_STR-PRIVMODE sy-vline 
WA_SGLWLPFNRMKB_STR-WPRESTART sy-vline 
WA_SGLWLPFNRMKB_STR-TRANSID sy-vline 
WA_SGLWLPFNRMKB_STR-ROLLED_OUT sy-vline 
WA_SGLWLPFNRMKB_STR-DBPROCCNT sy-vline 
WA_SGLWLPFNRMKB_STR-DBPROCTI sy-vline 
WA_SGLWLPFNRMKB_STR-LUW_INFO sy-vline 
WA_SGLWLPFNRMKB_STR-SLI_CNT sy-vline 
WA_SGLWLPFNRMKB_STR-TERMINALID sy-vline 
WA_SGLWLPFNRMKB_STR-CUA_PROG sy-vline 
WA_SGLWLPFNRMKB_STR-CUA_FUNC sy-vline 
WA_SGLWLPFNRMKB_STR-TCODE sy-vline 
WA_SGLWLPFNRMKB_STR-V1SATI sy-vline 
WA_SGLWLPFNRMKB_STR-GUITIME sy-vline 
WA_SGLWLPFNRMKB_STR-GUICNT sy-vline 
WA_SGLWLPFNRMKB_STR-GUINETTIME sy-vline 
WA_SGLWLPFNRMKB_STR-STARTTIME1 sy-vline 
WA_SGLWLPFNRMKB_STR-STARTTIME2 sy-vline 
WA_SGLWLPFNRMKB_STR-ENDTIME1 sy-vline 
WA_SGLWLPFNRMKB_STR-ENDTIME2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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