ABAP Select data from SAP table /SAPWF/PIN_EAST_APPROVAL_CN_00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPWF/PIN_EAST_APPROVAL_CN_00 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 /SAPWF/PIN_EAST_APPROVAL_CN_00. 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 /SAPWF/PIN_EAST_APPROVAL_CN_00 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_/SAPWF/PIN_EAST_APPROVAL_CN_00 TYPE STANDARD TABLE OF /SAPWF/PIN_EAST_APPROVAL_CN_00,
      WA_/SAPWF/PIN_EAST_APPROVAL_CN_00 TYPE /SAPWF/PIN_EAST_APPROVAL_CN_00,
      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: </SAPWF/PIN_EAST_APPROVAL_CN_00> TYPE /SAPWF/PIN_EAST_APPROVAL_CN_00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPWF/PIN_EAST_APPROVAL_CN_00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPWF/PIN_EAST_APPROVAL_CN_00
  INTO TABLE IT_/SAPWF/PIN_EAST_APPROVAL_CN_00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPWF/PIN_EAST_APPROVAL_CN_00
*  INTO TABLE @DATA(IT_/SAPWF/PIN_EAST_APPROVAL_CN_002).
*--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_/SAPWF/PIN_EAST_APPROVAL_CN_00 INDEX 1 INTO DATA(WA_/SAPWF/PIN_EAST_APPROVAL_CN_002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPWF/PIN_EAST_APPROVAL_CN_00 ASSIGNING </SAPWF/PIN_EAST_APPROVAL_CN_00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPWF/PIN_EAST_APPROVAL_CN_00>-EASQN = 1.
</SAPWF/PIN_EAST_APPROVAL_CN_00>-EAIBR = 1.
</SAPWF/PIN_EAST_APPROVAL_CN_00>-EAIBU = 1.
</SAPWF/PIN_EAST_APPROVAL_CN_00>-EAIOD = 1.
</SAPWF/PIN_EAST_APPROVAL_CN_00>-EAIOT = 1.

ENDLOOP.

LOOP AT IT_/SAPWF/PIN_EAST_APPROVAL_CN_00 INTO WA_/SAPWF/PIN_EAST_APPROVAL_CN_00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EALBU, sy-vline,
  WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EALOD, sy-vline,
  WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EALOT, sy-vline,
  WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EARBA, sy-vline,
  WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EAISQ, sy-vline,
  WA_/SAPWF/PIN_EAST_APPROVAL_CN_00-EAIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPWF/PIN_EAST_APPROVAL_CN_00 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_/SAPWF/PIN_EAST_APPROVAL_CN_00 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_/SAPWF/PIN_EAST_APPROVAL_CN_00 INTO WA_/SAPWF/PIN_EAST_APPROVAL_CN_00.


*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_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR, 
EASQN TYPE STRING,
EAIBR TYPE STRING,
EAIBU TYPE STRING,
EAIOD TYPE STRING,
EAIOT TYPE STRING,
EALBU TYPE STRING,
EALOD TYPE STRING,
EALOT TYPE STRING,
EARBA TYPE STRING,
EAISQ TYPE STRING,
EAIST TYPE STRING,
EAROL TYPE STRING,
EAALV TYPE STRING,
EAPHS TYPE STRING,
EAAID TYPE STRING,
EAAGR TYPE STRING,
EAFST TYPE STRING,
EAOSQ TYPE STRING,
EAWID TYPE STRING,
EAAFN TYPE STRING,
EAFRZ TYPE STRING,
EASTP TYPE STRING,
EARQN TYPE STRING,
PERNR TYPE STRING,
PERNR_TXT TYPE STRING,
EAIBR_TXT TYPE STRING,
EAIBU_TXT TYPE STRING,
EALBU_TXT TYPE STRING,
EAROL_TXT TYPE STRING,
EAAID_TXT TYPE STRING,
EAAGR_TXT TYPE STRING,
EAIST_TXT TYPE STRING,
EAFST_TXT TYPE STRING,
EADEL_EDT TYPE STRING,
EAREM_EDT TYPE STRING,
EAAFN_EDT TYPE STRING,
EAAAS_DOM TYPE STRING,
EAAAR_DOM TYPE STRING,
ISQ_EARTA TYPE STRING,
ISQ_VISIB TYPE STRING,
OSQ_EAAID TYPE STRING,
OSQ_EAAID_TXT TYPE STRING,
OSQ_EAAGR TYPE STRING,
OSQ_EAAGR_TXT TYPE STRING,
OSQ_VISIB TYPE STRING,
FWD_EAAID TYPE STRING,
FWD_EAAID_TXT TYPE STRING,
FWD_EAAGR TYPE STRING,
FWD_EAAGR_TXT TYPE STRING,
EAAAR_DOM_ACT TYPE STRING,
EAUDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_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_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EASQN sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIBR sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIBU sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIOD sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIOT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EALBU sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EALOD sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EALOT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EARBA sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAISQ sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIST sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAROL sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAALV sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAPHS sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAID sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAGR sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAFST sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAOSQ sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAWID sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAFN sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAFRZ sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EASTP sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EARQN sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-PERNR sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-PERNR_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIBR_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIBU_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EALBU_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAROL_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAID_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAGR_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAIST_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAFST_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EADEL_EDT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAREM_EDT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAFN_EDT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAAS_DOM sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAAR_DOM sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-ISQ_EARTA sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-ISQ_VISIB sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-OSQ_EAAID sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-OSQ_EAAID_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-OSQ_EAAGR sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-OSQ_EAAGR_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-OSQ_VISIB sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-FWD_EAAID sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-FWD_EAAID_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-FWD_EAAGR sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-FWD_EAAGR_TXT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAAAR_DOM_ACT sy-vline 
WA_/SAPWF/PIN_EAST_APPROVAL_CN_00_STR-EAUDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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