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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PPO_CTRL
*  INTO TABLE @DATA(IT_/SAPAPO/PPO_CTRL2).
*--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/PPO_CTRL INDEX 1 INTO DATA(WA_/SAPAPO/PPO_CTRL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PPO_CTRL>-VERSION = 1.
</SAPAPO/PPO_CTRL>-MODELID = 1.
</SAPAPO/PPO_CTRL>-NOLAGRZ = 1.
</SAPAPO/PPO_CTRL>-SNPDATE = 1.
</SAPAPO/PPO_CTRL>-ENDDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PPO_CTRL-HORIZON, sy-vline,
  WA_/SAPAPO/PPO_CTRL-COVER, sy-vline,
  WA_/SAPAPO/PPO_CTRL-VALID, sy-vline,
  WA_/SAPAPO/PPO_CTRL-GLBLSNP, sy-vline,
  WA_/SAPAPO/PPO_CTRL-ABLOCID, sy-vline,
  WA_/SAPAPO/PPO_CTRL-PROTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PPO_CTRL 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/PPO_CTRL 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/PPO_CTRL INTO WA_/SAPAPO/PPO_CTRL.


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

*Conversion exit PARE2, internal->external for field PAREAID
CALL FUNCTION 'CONVERSION_EXIT_PARE2_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PPO_CTRL-PAREAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PPO_CTRL-PAREAID.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit PLOBC, internal->external for field PLOBID_CAPA
CALL FUNCTION 'CONVERSION_EXIT_PLOBC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PPO_CTRL-PLOBID_CAPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PPO_CTRL-PLOBID_CAPA.
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/PPO_CTRL_STR, 
VERSION TYPE STRING,
MODELID TYPE STRING,
NOLAGRZ TYPE STRING,
SNPDATE TYPE STRING,
ENDDATE TYPE STRING,
HORIZON TYPE STRING,
COVER TYPE STRING,
VALID TYPE STRING,
GLBLSNP TYPE STRING,
ABLOCID TYPE STRING,
PROTO TYPE STRING,
LOC TYPE STRING,
MULTI TYPE STRING,
INC_COMP TYPE STRING,
RELID TYPE STRING,
LPLEV TYPE STRING,
SOP TYPE STRING,
SA TYPE STRING,
SIMSESSION TYPE STRING,
PAREANAME TYPE STRING,
PAREAID TYPE STRING,
MVIEW TYPE STRING,
DVIEW TYPE STRING,
LOCID_DEP TYPE STRING,
NETCH TYPE STRING,
DUMMY TYPE STRING,
BATCH TYPE STRING,
MVIEW_CAPA TYPE STRING,
DVIEW_CAPA TYPE STRING,
VERSION_CAPA TYPE STRING,
PLOBID_CAPA TYPE STRING,
KEYF_CAPA_MAX TYPE STRING,
KEYF_CAPA_MIN TYPE STRING,
KEYF_CAPA_LOAD TYPE STRING,
METHOD TYPE STRING,
INC_INCLUDE_ALL TYPE STRING,
SNPPROF TYPE STRING,
SNPGRTHEU TYPE STRING,
SNPSCRHEU TYPE STRING,
SNPSHDHEU TYPE STRING,
SNPDLTHEU TYPE STRING,
SNPNORHEU TYPE STRING,
SNPLEVHEU TYPE STRING,
SNPTRIHEU TYPE STRING,
SNPPACHEU TYPE STRING,
SNPPRDHEU TYPE STRING,
SNPINCOFF TYPE STRING,
PARPROF TYPE STRING,
RIP TYPE STRING,
SNPHEURCAL TYPE STRING,
SNPHEUDS TYPE STRING,
SNPSTEPDS TYPE STRING,
USEAGGRSOS TYPE STRING,
PLANMODE TYPE STRING,
LLC_USED TYPE STRING,
ENDDATE_CHK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PPO_CTRL_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/PPO_CTRL_STR-VERSION sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-MODELID sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-NOLAGRZ sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPDATE sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-ENDDATE sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-HORIZON sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-COVER sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-VALID sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-GLBLSNP sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-ABLOCID sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PROTO sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-LOC sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-MULTI sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-INC_COMP sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-RELID sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-LPLEV sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SOP sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SA sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SIMSESSION sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PAREANAME sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PAREAID sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-MVIEW sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-DVIEW sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-LOCID_DEP sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-NETCH sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-DUMMY sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-BATCH sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-MVIEW_CAPA sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-DVIEW_CAPA sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-VERSION_CAPA sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PLOBID_CAPA sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-KEYF_CAPA_MAX sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-KEYF_CAPA_MIN sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-KEYF_CAPA_LOAD sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-METHOD sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-INC_INCLUDE_ALL sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPPROF sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPGRTHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPSCRHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPSHDHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPDLTHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPNORHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPLEVHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPTRIHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPPACHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPPRDHEU sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPINCOFF sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PARPROF sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-RIP sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPHEURCAL sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPHEUDS sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-SNPSTEPDS sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-USEAGGRSOS sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-PLANMODE sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-LLC_USED sy-vline 
WA_/SAPAPO/PPO_CTRL_STR-ENDDATE_CHK sy-vline      INTO ld_text SEPARATED BY SPACE.

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