ABAP Select data from SAP table PME97 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PME97 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 PME97. 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 PME97 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_PME97 TYPE STANDARD TABLE OF PME97,
      WA_PME97 TYPE PME97,
      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: <PME97> TYPE PME97.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PME97.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PME97
  INTO TABLE IT_PME97.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PME97
*  INTO TABLE @DATA(IT_PME972).
*--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_PME97 INDEX 1 INTO DATA(WA_PME972).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PME97 ASSIGNING <PME97>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PME97>-MOLGA = 1.
<PME97>-BUKRS = 1.
<PME97>-WERKS = 1.
<PME97>-BTRTL = 1.
<PME97>-PERSG = 1.

ENDLOOP.

LOOP AT IT_PME97 INTO WA_PME97.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PME97-PERSK, sy-vline,
  WA_PME97-ORGEH, sy-vline,
  WA_PME97-ANSVH, sy-vline,
  WA_PME97-STELL, sy-vline,
  WA_PME97-GENDR, sy-vline,
  WA_PME97-WOSTD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PME97 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_PME97 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_PME97 INTO WA_PME97.


*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_PME97_STR, 
MOLGA TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ORGEH TYPE STRING,
ANSVH TYPE STRING,
STELL TYPE STRING,
GENDR TYPE STRING,
WOSTD TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
FAMST TYPE STRING,
TITEL TYPE STRING,
BAREA TYPE STRING,
BENGR TYPE STRING,
BSTAT TYPE STRING,
DEPNO TYPE STRING,
ANZKD TYPE STRING,
RQTYP TYPE STRING,
FAMSA TYPE STRING,
DEAGE TYPE STRING,
TEST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PME97_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_PME97_STR-MOLGA sy-vline 
WA_PME97_STR-BUKRS sy-vline 
WA_PME97_STR-WERKS sy-vline 
WA_PME97_STR-BTRTL sy-vline 
WA_PME97_STR-PERSG sy-vline 
WA_PME97_STR-PERSK sy-vline 
WA_PME97_STR-ORGEH sy-vline 
WA_PME97_STR-ANSVH sy-vline 
WA_PME97_STR-STELL sy-vline 
WA_PME97_STR-GENDR sy-vline 
WA_PME97_STR-WOSTD sy-vline 
WA_PME97_STR-TRFAR sy-vline 
WA_PME97_STR-TRFGB sy-vline 
WA_PME97_STR-TRFGR sy-vline 
WA_PME97_STR-TRFST sy-vline 
WA_PME97_STR-FAMST sy-vline 
WA_PME97_STR-TITEL sy-vline 
WA_PME97_STR-BAREA sy-vline 
WA_PME97_STR-BENGR sy-vline 
WA_PME97_STR-BSTAT sy-vline 
WA_PME97_STR-DEPNO sy-vline 
WA_PME97_STR-ANZKD sy-vline 
WA_PME97_STR-RQTYP sy-vline 
WA_PME97_STR-FAMSA sy-vline 
WA_PME97_STR-DEAGE sy-vline 
WA_PME97_STR-TEST sy-vline      INTO ld_text SEPARATED BY SPACE.

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