ABAP Select data from SAP table P9997 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P9997 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 P9997. 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 P9997 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_P9997 TYPE STANDARD TABLE OF P9997,
      WA_P9997 TYPE P9997,
      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: <P9997> TYPE P9997.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P9997.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P9997
  INTO TABLE IT_P9997.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P9997
*  INTO TABLE @DATA(IT_P99972).
*--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_P9997 INDEX 1 INTO DATA(WA_P99972).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P9997 ASSIGNING <P9997>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P9997>-PERNR = 1.
<P9997>-INFTY = 1.
<P9997>-SUBTY = 1.
<P9997>-OBJPS = 1.
<P9997>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_P9997 INTO WA_P9997.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P9997-ENDDA, sy-vline,
  WA_P9997-BEGDA, sy-vline,
  WA_P9997-SEQNR, sy-vline,
  WA_P9997-AEDTM, sy-vline,
  WA_P9997-UNAME, sy-vline,
  WA_P9997-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P9997 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_P9997 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_P9997 INTO WA_P9997.


*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_P9997_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
PY_SEQNR TYPE STRING,
MOLGA TYPE STRING,
ABKRS TYPE STRING,
WAERS TYPE STRING,
FPPER TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
PAY_DATE TYPE STRING,
ZZTEL0164B TYPE STRING,
ZZTEL0168B TYPE STRING,
ZZTEL0172B TYPE STRING,
ZZTEL0176B TYPE STRING,
ZZTEL0180B TYPE STRING,
ZZTEL0184B TYPE STRING,
ZZTEL0188B TYPE STRING,
ZZTEL0192B TYPE STRING,
ZZTEL0196B TYPE STRING,
ZZTEL0200B TYPE STRING,
ZZTEL0208B TYPE STRING,
ZZTEL0212B TYPE STRING,
ZZTEL0216B TYPE STRING,
ZZTEL0224B TYPE STRING,
ZZTEL0228B TYPE STRING,
ZZTEL0232B TYPE STRING,
ZZTEL0236B TYPE STRING,
ZZTEL0240B TYPE STRING,
ZZTEL0244B TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P9997_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_P9997_STR-PERNR sy-vline 
WA_P9997_STR-INFTY sy-vline 
WA_P9997_STR-SUBTY sy-vline 
WA_P9997_STR-OBJPS sy-vline 
WA_P9997_STR-SPRPS sy-vline 
WA_P9997_STR-ENDDA sy-vline 
WA_P9997_STR-BEGDA sy-vline 
WA_P9997_STR-SEQNR sy-vline 
WA_P9997_STR-AEDTM sy-vline 
WA_P9997_STR-UNAME sy-vline 
WA_P9997_STR-HISTO sy-vline 
WA_P9997_STR-ITXEX sy-vline 
WA_P9997_STR-REFEX sy-vline 
WA_P9997_STR-ORDEX sy-vline 
WA_P9997_STR-ITBLD sy-vline 
WA_P9997_STR-PREAS sy-vline 
WA_P9997_STR-FLAG1 sy-vline 
WA_P9997_STR-FLAG2 sy-vline 
WA_P9997_STR-FLAG3 sy-vline 
WA_P9997_STR-FLAG4 sy-vline 
WA_P9997_STR-RESE1 sy-vline 
WA_P9997_STR-RESE2 sy-vline 
WA_P9997_STR-GRPVL sy-vline 
WA_P9997_STR-PY_SEQNR sy-vline 
WA_P9997_STR-MOLGA sy-vline 
WA_P9997_STR-ABKRS sy-vline 
WA_P9997_STR-WAERS sy-vline 
WA_P9997_STR-FPPER sy-vline 
WA_P9997_STR-PAYTY sy-vline 
WA_P9997_STR-PAYID sy-vline 
WA_P9997_STR-PAY_DATE sy-vline 
WA_P9997_STR-ZZTEL0164B sy-vline 
WA_P9997_STR-ZZTEL0168B sy-vline 
WA_P9997_STR-ZZTEL0172B sy-vline 
WA_P9997_STR-ZZTEL0176B sy-vline 
WA_P9997_STR-ZZTEL0180B sy-vline 
WA_P9997_STR-ZZTEL0184B sy-vline 
WA_P9997_STR-ZZTEL0188B sy-vline 
WA_P9997_STR-ZZTEL0192B sy-vline 
WA_P9997_STR-ZZTEL0196B sy-vline 
WA_P9997_STR-ZZTEL0200B sy-vline 
WA_P9997_STR-ZZTEL0208B sy-vline 
WA_P9997_STR-ZZTEL0212B sy-vline 
WA_P9997_STR-ZZTEL0216B sy-vline 
WA_P9997_STR-ZZTEL0224B sy-vline 
WA_P9997_STR-ZZTEL0228B sy-vline 
WA_P9997_STR-ZZTEL0232B sy-vline 
WA_P9997_STR-ZZTEL0236B sy-vline 
WA_P9997_STR-ZZTEL0240B sy-vline 
WA_P9997_STR-ZZTEL0244B sy-vline      INTO ld_text SEPARATED BY SPACE.

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