ABAP Select data from SAP table /SAPAPO/IPRWA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/IPRWA 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 /SAPAPO/IPRWA. 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 /SAPAPO/IPRWA 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_/SAPAPO/IPRWA TYPE STANDARD TABLE OF /SAPAPO/IPRWA,
      WA_/SAPAPO/IPRWA TYPE /SAPAPO/IPRWA,
      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: </SAPAPO/IPRWA> TYPE /SAPAPO/IPRWA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/IPRWA
  INTO TABLE IT_/SAPAPO/IPRWA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/IPRWA
*  INTO TABLE @DATA(IT_/SAPAPO/IPRWA2).
*--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_/SAPAPO/IPRWA INDEX 1 INTO DATA(WA_/SAPAPO/IPRWA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/IPRWA ASSIGNING </SAPAPO/IPRWA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/IPRWA>-PRPFL = 1.
</SAPAPO/IPRWA>-PERKZ = 1.
</SAPAPO/IPRWA>-PERIV = 1.
</SAPAPO/IPRWA>-FABKL = 1.
</SAPAPO/IPRWA>-ANZNK = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/IPRWA INTO WA_/SAPAPO/IPRWA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/IPRWA-VOPER, sy-vline,
  WA_/SAPAPO/IPRWA-BIPER, sy-vline,
  WA_/SAPAPO/IPRWA-VGVON, sy-vline,
  WA_/SAPAPO/IPRWA-VGBIS, sy-vline,
  WA_/SAPAPO/IPRWA-MEINS, sy-vline,
  WA_/SAPAPO/IPRWA-FNULL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/IPRWA 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_/SAPAPO/IPRWA 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_/SAPAPO/IPRWA INTO WA_/SAPAPO/IPRWA.


*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.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/IPRWA-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/IPRWA-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field SH_VRSIOIDS
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/IPRWA-SH_VRSIOIDS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/IPRWA-SH_VRSIOIDS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit VRSIO, internal->external for field POS_VRSIOIDS
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/IPRWA-POS_VRSIOIDS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/IPRWA-POS_VRSIOIDS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

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

TYPES: BEGIN OF T_/SAPAPO/IPRWA_STR, 
PRPFL TYPE STRING,
PERKZ TYPE STRING,
PERIV TYPE STRING,
FABKL TYPE STRING,
ANZNK TYPE STRING,
VOPER TYPE STRING,
BIPER TYPE STRING,
VGVON TYPE STRING,
VGBIS TYPE STRING,
MEINS TYPE STRING,
FNULL TYPE STRING,
PRSTR TYPE STRING,
ALPHX TYPE STRING,
BETAX TYPE STRING,
GAMMX TYPE STRING,
PERAN TYPE STRING,
PERIO TYPE STRING,
FLEST TYPE STRING,
AKTPE TYPE STRING,
ANZPR TYPE STRING,
AVGPER TYPE STRING,
FLGEXC TYPE STRING,
FLGCOR TYPE STRING,
SIGMA TYPE STRING,
FCSTLINE TYPE STRING,
FCSTLINE_HIST TYPE STRING,
YLINE TYPE STRING,
NUMVAR TYPE STRING,
VLINE TYPE STRING,
FLG_FCST_READ TYPE STRING,
FLG_NK TYPE STRING,
FLG_SPORADIC TYPE STRING,
FLG_56 TYPE STRING,
PERIO_START TYPE STRING,
PERIO_END TYPE STRING,
PERIO_WEITE TYPE STRING,
ALPHA_START TYPE STRING,
ALPHA_ENDE TYPE STRING,
ALPHA_WEITE TYPE STRING,
BETA_START TYPE STRING,
BETA_ENDE TYPE STRING,
BETA_WEITE TYPE STRING,
GAMMA_START TYPE STRING,
GAMMA_ENDE TYPE STRING,
GAMMA_WEITE TYPE STRING,
FLG_ZERO TYPE STRING,
TS TYPE STRING,
NE TYPE STRING,
NE_LIMIT TYPE STRING,
FLG_REINIT TYPE STRING,
REINIT_NE_HIST TYPE STRING,
REINIT_STABLE TYPE STRING,
FLG_TREND_DAMP TYPE STRING,
TD_TSID TYPE STRING,
PHI TYPE STRING,
FLG_PHI_AUTO TYPE STRING,
PHI_START TYPE STRING,
PHI_END TYPE STRING,
PHI_STEP TYPE STRING,
MAX_TREND TYPE STRING,
MAX_FORECAST TYPE STRING,
SH_KFS TYPE STRING,
SH_VRSIOS TYPE STRING,
SH_VRSIOIDS TYPE STRING,
POS_KFS TYPE STRING,
POS_VRSIOS TYPE STRING,
POS_VRSIOIDS TYPE STRING,
PRSTRS TYPE STRING,
ALPHAS TYPE STRING,
BETA1S TYPE STRING,
GAMMAS TYPE STRING,
PERIOS TYPE STRING,
FLUX_KFS TYPE STRING,
DEL_LEAD_ZEROSS TYPE STRING,
SH_BOUNDPFS TYPE STRING,
MLR_METHOD TYPE STRING,
POSLINE TYPE STRING,
FLAG_SEAGRP TYPE STRING,
MLRPF_FOR_UNIV TYPE STRING,
PRICE_CHG_THR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/IPRWA_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_/SAPAPO/IPRWA_STR-PRPFL sy-vline 
WA_/SAPAPO/IPRWA_STR-PERKZ sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIV sy-vline 
WA_/SAPAPO/IPRWA_STR-FABKL sy-vline 
WA_/SAPAPO/IPRWA_STR-ANZNK sy-vline 
WA_/SAPAPO/IPRWA_STR-VOPER sy-vline 
WA_/SAPAPO/IPRWA_STR-BIPER sy-vline 
WA_/SAPAPO/IPRWA_STR-VGVON sy-vline 
WA_/SAPAPO/IPRWA_STR-VGBIS sy-vline 
WA_/SAPAPO/IPRWA_STR-MEINS sy-vline 
WA_/SAPAPO/IPRWA_STR-FNULL sy-vline 
WA_/SAPAPO/IPRWA_STR-PRSTR sy-vline 
WA_/SAPAPO/IPRWA_STR-ALPHX sy-vline 
WA_/SAPAPO/IPRWA_STR-BETAX sy-vline 
WA_/SAPAPO/IPRWA_STR-GAMMX sy-vline 
WA_/SAPAPO/IPRWA_STR-PERAN sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIO sy-vline 
WA_/SAPAPO/IPRWA_STR-FLEST sy-vline 
WA_/SAPAPO/IPRWA_STR-AKTPE sy-vline 
WA_/SAPAPO/IPRWA_STR-ANZPR sy-vline 
WA_/SAPAPO/IPRWA_STR-AVGPER sy-vline 
WA_/SAPAPO/IPRWA_STR-FLGEXC sy-vline 
WA_/SAPAPO/IPRWA_STR-FLGCOR sy-vline 
WA_/SAPAPO/IPRWA_STR-SIGMA sy-vline 
WA_/SAPAPO/IPRWA_STR-FCSTLINE sy-vline 
WA_/SAPAPO/IPRWA_STR-FCSTLINE_HIST sy-vline 
WA_/SAPAPO/IPRWA_STR-YLINE sy-vline 
WA_/SAPAPO/IPRWA_STR-NUMVAR sy-vline 
WA_/SAPAPO/IPRWA_STR-VLINE sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_FCST_READ sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_NK sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_SPORADIC sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_56 sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIO_START sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIO_END sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIO_WEITE sy-vline 
WA_/SAPAPO/IPRWA_STR-ALPHA_START sy-vline 
WA_/SAPAPO/IPRWA_STR-ALPHA_ENDE sy-vline 
WA_/SAPAPO/IPRWA_STR-ALPHA_WEITE sy-vline 
WA_/SAPAPO/IPRWA_STR-BETA_START sy-vline 
WA_/SAPAPO/IPRWA_STR-BETA_ENDE sy-vline 
WA_/SAPAPO/IPRWA_STR-BETA_WEITE sy-vline 
WA_/SAPAPO/IPRWA_STR-GAMMA_START sy-vline 
WA_/SAPAPO/IPRWA_STR-GAMMA_ENDE sy-vline 
WA_/SAPAPO/IPRWA_STR-GAMMA_WEITE sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_ZERO sy-vline 
WA_/SAPAPO/IPRWA_STR-TS sy-vline 
WA_/SAPAPO/IPRWA_STR-NE sy-vline 
WA_/SAPAPO/IPRWA_STR-NE_LIMIT sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_REINIT sy-vline 
WA_/SAPAPO/IPRWA_STR-REINIT_NE_HIST sy-vline 
WA_/SAPAPO/IPRWA_STR-REINIT_STABLE sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_TREND_DAMP sy-vline 
WA_/SAPAPO/IPRWA_STR-TD_TSID sy-vline 
WA_/SAPAPO/IPRWA_STR-PHI sy-vline 
WA_/SAPAPO/IPRWA_STR-FLG_PHI_AUTO sy-vline 
WA_/SAPAPO/IPRWA_STR-PHI_START sy-vline 
WA_/SAPAPO/IPRWA_STR-PHI_END sy-vline 
WA_/SAPAPO/IPRWA_STR-PHI_STEP sy-vline 
WA_/SAPAPO/IPRWA_STR-MAX_TREND sy-vline 
WA_/SAPAPO/IPRWA_STR-MAX_FORECAST sy-vline 
WA_/SAPAPO/IPRWA_STR-SH_KFS sy-vline 
WA_/SAPAPO/IPRWA_STR-SH_VRSIOS sy-vline 
WA_/SAPAPO/IPRWA_STR-SH_VRSIOIDS sy-vline 
WA_/SAPAPO/IPRWA_STR-POS_KFS sy-vline 
WA_/SAPAPO/IPRWA_STR-POS_VRSIOS sy-vline 
WA_/SAPAPO/IPRWA_STR-POS_VRSIOIDS sy-vline 
WA_/SAPAPO/IPRWA_STR-PRSTRS sy-vline 
WA_/SAPAPO/IPRWA_STR-ALPHAS sy-vline 
WA_/SAPAPO/IPRWA_STR-BETA1S sy-vline 
WA_/SAPAPO/IPRWA_STR-GAMMAS sy-vline 
WA_/SAPAPO/IPRWA_STR-PERIOS sy-vline 
WA_/SAPAPO/IPRWA_STR-FLUX_KFS sy-vline 
WA_/SAPAPO/IPRWA_STR-DEL_LEAD_ZEROSS sy-vline 
WA_/SAPAPO/IPRWA_STR-SH_BOUNDPFS sy-vline 
WA_/SAPAPO/IPRWA_STR-MLR_METHOD sy-vline 
WA_/SAPAPO/IPRWA_STR-POSLINE sy-vline 
WA_/SAPAPO/IPRWA_STR-FLAG_SEAGRP sy-vline 
WA_/SAPAPO/IPRWA_STR-MLRPF_FOR_UNIV sy-vline 
WA_/SAPAPO/IPRWA_STR-PRICE_CHG_THR sy-vline      INTO ld_text SEPARATED BY SPACE.

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