ABAP Select data from SAP table PCO_SSA_PER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_SSA_PER
*  INTO TABLE @DATA(IT_PCO_SSA_PER2).
*--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_PCO_SSA_PER INDEX 1 INTO DATA(WA_PCO_SSA_PER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCO_SSA_PER>-APZNR = 1.
<PCO_SSA_PER>-BUKRS = 1.
<PCO_SSA_PER>-ENTIT = 1.
<PCO_SSA_PER>-ENTXT = 1.
<PCO_SSA_PER>-BRANC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_SSA_PER-IDAPO, sy-vline,
  WA_PCO_SSA_PER-TYPEN, sy-vline,
  WA_PCO_SSA_PER-RERSN, sy-vline,
  WA_PCO_SSA_PER-SRTZA, sy-vline,
  WA_PCO_SSA_PER-INMNS, sy-vline,
  WA_PCO_SSA_PER-INPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_SSA_PER 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_PCO_SSA_PER 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_PCO_SSA_PER INTO WA_PCO_SSA_PER.


*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 ALPHA, internal->external for field ENTIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCO_SSA_PER-ENTIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCO_SSA_PER-ENTIT.
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_PCO_SSA_PER_STR, 
APZNR TYPE STRING,
BUKRS TYPE STRING,
ENTIT TYPE STRING,
ENTXT TYPE STRING,
BRANC TYPE STRING,
IDAPO TYPE STRING,
TYPEN TYPE STRING,
RERSN TYPE STRING,
SRTZA TYPE STRING,
INMNS TYPE STRING,
INPER TYPE STRING,
FPMNS TYPE STRING,
FPPER TYPE STRING,
CENTR TYPE STRING,
ICTYP TYPE STRING,
ICNUM TYPE STRING,
ICNDV TYPE STRING,
NACHN TYPE STRING,
NACH2 TYPE STRING,
VORNA TYPE STRING,
NAME2 TYPE STRING,
NVING TYPE STRING,
NVRET TYPE STRING,
NVTDA TYPE STRING,
NVTAA TYPE STRING,
NVVSP TYPE STRING,
NVVTE TYPE STRING,
NVVST TYPE STRING,
NVSLN TYPE STRING,
NVIGE TYPE STRING,
NVLMA TYPE STRING,
NVVAC TYPE STRING,
NVAVP TYPE STRING,
NVVCT TYPE STRING,
NVIRP TYPE STRING,
NVAFP TYPE STRING,
NVEPS TYPE STRING,
NVARP TYPE STRING,
ENTIN TYPE STRING,
PERCB TYPE STRING,
PERCP TYPE STRING,
PERTO TYPE STRING,
PERPE TYPE STRING,
PERHE TYPE STRING,
PERRI TYPE STRING,
DYSAN TYPE STRING,
DYSNV TYPE STRING,
DYSWO TYPE STRING,
DYSPE TYPE STRING,
DYSRI TYPE STRING,
DYSHE TYPE STRING,
BTSUE TYPE STRING,
BTVNN TYPE STRING,
BTIBC TYPE STRING,
BTIBP TYPE STRING,
BTIBS TYPE STRING,
BTIBR TYPE STRING,
BTBUK TYPE STRING,
BTPER TYPE STRING,
BTVAP TYPE STRING,
BTTOT TYPE STRING,
BTVAF TYPE STRING,
BTAVB TYPE STRING,
BTAVP TYPE STRING,
BTAVT TYPE STRING,
BTFSB TYPE STRING,
BTFSP TYPE STRING,
BTVNR TYPE STRING,
BTUPC TYPE STRING,
BTEPS TYPE STRING,
BTAFP TYPE STRING,
BTARP TYPE STRING,
NAIGE TYPE STRING,
BTIGE TYPE STRING,
NALMA TYPE STRING,
BTLMA TYPE STRING,
NAIRP TYPE STRING,
BTIRP TYPE STRING,
WAERS TYPE STRING,
ENAME TYPE STRING,
NUEPS TYPE STRING,
NUAFP TYPE STRING,
NUARP TYPE STRING,
PERNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_SSA_PER_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_PCO_SSA_PER_STR-APZNR sy-vline 
WA_PCO_SSA_PER_STR-BUKRS sy-vline 
WA_PCO_SSA_PER_STR-ENTIT sy-vline 
WA_PCO_SSA_PER_STR-ENTXT sy-vline 
WA_PCO_SSA_PER_STR-BRANC sy-vline 
WA_PCO_SSA_PER_STR-IDAPO sy-vline 
WA_PCO_SSA_PER_STR-TYPEN sy-vline 
WA_PCO_SSA_PER_STR-RERSN sy-vline 
WA_PCO_SSA_PER_STR-SRTZA sy-vline 
WA_PCO_SSA_PER_STR-INMNS sy-vline 
WA_PCO_SSA_PER_STR-INPER sy-vline 
WA_PCO_SSA_PER_STR-FPMNS sy-vline 
WA_PCO_SSA_PER_STR-FPPER sy-vline 
WA_PCO_SSA_PER_STR-CENTR sy-vline 
WA_PCO_SSA_PER_STR-ICTYP sy-vline 
WA_PCO_SSA_PER_STR-ICNUM sy-vline 
WA_PCO_SSA_PER_STR-ICNDV sy-vline 
WA_PCO_SSA_PER_STR-NACHN sy-vline 
WA_PCO_SSA_PER_STR-NACH2 sy-vline 
WA_PCO_SSA_PER_STR-VORNA sy-vline 
WA_PCO_SSA_PER_STR-NAME2 sy-vline 
WA_PCO_SSA_PER_STR-NVING sy-vline 
WA_PCO_SSA_PER_STR-NVRET sy-vline 
WA_PCO_SSA_PER_STR-NVTDA sy-vline 
WA_PCO_SSA_PER_STR-NVTAA sy-vline 
WA_PCO_SSA_PER_STR-NVVSP sy-vline 
WA_PCO_SSA_PER_STR-NVVTE sy-vline 
WA_PCO_SSA_PER_STR-NVVST sy-vline 
WA_PCO_SSA_PER_STR-NVSLN sy-vline 
WA_PCO_SSA_PER_STR-NVIGE sy-vline 
WA_PCO_SSA_PER_STR-NVLMA sy-vline 
WA_PCO_SSA_PER_STR-NVVAC sy-vline 
WA_PCO_SSA_PER_STR-NVAVP sy-vline 
WA_PCO_SSA_PER_STR-NVVCT sy-vline 
WA_PCO_SSA_PER_STR-NVIRP sy-vline 
WA_PCO_SSA_PER_STR-NVAFP sy-vline 
WA_PCO_SSA_PER_STR-NVEPS sy-vline 
WA_PCO_SSA_PER_STR-NVARP sy-vline 
WA_PCO_SSA_PER_STR-ENTIN sy-vline 
WA_PCO_SSA_PER_STR-PERCB sy-vline 
WA_PCO_SSA_PER_STR-PERCP sy-vline 
WA_PCO_SSA_PER_STR-PERTO sy-vline 
WA_PCO_SSA_PER_STR-PERPE sy-vline 
WA_PCO_SSA_PER_STR-PERHE sy-vline 
WA_PCO_SSA_PER_STR-PERRI sy-vline 
WA_PCO_SSA_PER_STR-DYSAN sy-vline 
WA_PCO_SSA_PER_STR-DYSNV sy-vline 
WA_PCO_SSA_PER_STR-DYSWO sy-vline 
WA_PCO_SSA_PER_STR-DYSPE sy-vline 
WA_PCO_SSA_PER_STR-DYSRI sy-vline 
WA_PCO_SSA_PER_STR-DYSHE sy-vline 
WA_PCO_SSA_PER_STR-BTSUE sy-vline 
WA_PCO_SSA_PER_STR-BTVNN sy-vline 
WA_PCO_SSA_PER_STR-BTIBC sy-vline 
WA_PCO_SSA_PER_STR-BTIBP sy-vline 
WA_PCO_SSA_PER_STR-BTIBS sy-vline 
WA_PCO_SSA_PER_STR-BTIBR sy-vline 
WA_PCO_SSA_PER_STR-BTBUK sy-vline 
WA_PCO_SSA_PER_STR-BTPER sy-vline 
WA_PCO_SSA_PER_STR-BTVAP sy-vline 
WA_PCO_SSA_PER_STR-BTTOT sy-vline 
WA_PCO_SSA_PER_STR-BTVAF sy-vline 
WA_PCO_SSA_PER_STR-BTAVB sy-vline 
WA_PCO_SSA_PER_STR-BTAVP sy-vline 
WA_PCO_SSA_PER_STR-BTAVT sy-vline 
WA_PCO_SSA_PER_STR-BTFSB sy-vline 
WA_PCO_SSA_PER_STR-BTFSP sy-vline 
WA_PCO_SSA_PER_STR-BTVNR sy-vline 
WA_PCO_SSA_PER_STR-BTUPC sy-vline 
WA_PCO_SSA_PER_STR-BTEPS sy-vline 
WA_PCO_SSA_PER_STR-BTAFP sy-vline 
WA_PCO_SSA_PER_STR-BTARP sy-vline 
WA_PCO_SSA_PER_STR-NAIGE sy-vline 
WA_PCO_SSA_PER_STR-BTIGE sy-vline 
WA_PCO_SSA_PER_STR-NALMA sy-vline 
WA_PCO_SSA_PER_STR-BTLMA sy-vline 
WA_PCO_SSA_PER_STR-NAIRP sy-vline 
WA_PCO_SSA_PER_STR-BTIRP sy-vline 
WA_PCO_SSA_PER_STR-WAERS sy-vline 
WA_PCO_SSA_PER_STR-ENAME sy-vline 
WA_PCO_SSA_PER_STR-NUEPS sy-vline 
WA_PCO_SSA_PER_STR-NUAFP sy-vline 
WA_PCO_SSA_PER_STR-NUARP sy-vline 
WA_PCO_SSA_PER_STR-PERNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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