ABAP Select data from SAP table /PICM/S_EXT_APPRVL_PDF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PICM/S_EXT_APPRVL_PDF
*  INTO TABLE @DATA(IT_/PICM/S_EXT_APPRVL_PDF2).
*--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_/PICM/S_EXT_APPRVL_PDF INDEX 1 INTO DATA(WA_/PICM/S_EXT_APPRVL_PDF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PICM/S_EXT_APPRVL_PDF>-MASTER_PROJ = 1.
</PICM/S_EXT_APPRVL_PDF>-ISSUE_ID = 1.
</PICM/S_EXT_APPRVL_PDF>-MASTER_PROJ_DESCR = 1.
</PICM/S_EXT_APPRVL_PDF>-RESPONSE_PARTNER = 1.
</PICM/S_EXT_APPRVL_PDF>-APPROVER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PICM/S_EXT_APPRVL_PDF-CREA_ON_DATE_LOCAL, sy-vline,
  WA_/PICM/S_EXT_APPRVL_PDF-PRIORITY_DESCR, sy-vline,
  WA_/PICM/S_EXT_APPRVL_PDF-CRITICALITY, sy-vline,
  WA_/PICM/S_EXT_APPRVL_PDF-CRITICALITY_TXT, sy-vline,
  WA_/PICM/S_EXT_APPRVL_PDF-ISSUE_TITLE, sy-vline,
  WA_/PICM/S_EXT_APPRVL_PDF-ISSUE_TYPE_DESCR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PICM/S_EXT_APPRVL_PDF 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_/PICM/S_EXT_APPRVL_PDF 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_/PICM/S_EXT_APPRVL_PDF INTO WA_/PICM/S_EXT_APPRVL_PDF.


*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 ISSUE_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PICM/S_EXT_APPRVL_PDF-ISSUE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PICM/S_EXT_APPRVL_PDF-ISSUE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CRITICALITY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PICM/S_EXT_APPRVL_PDF-CRITICALITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PICM/S_EXT_APPRVL_PDF-CRITICALITY.
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_/PICM/S_EXT_APPRVL_PDF_STR, 
MASTER_PROJ TYPE STRING,
ISSUE_ID TYPE STRING,
MASTER_PROJ_DESCR TYPE STRING,
RESPONSE_PARTNER TYPE STRING,
APPROVER TYPE STRING,
CREA_ON_DATE_LOCAL TYPE STRING,
PRIORITY_DESCR TYPE STRING,
CRITICALITY TYPE STRING,
CRITICALITY_TXT TYPE STRING,
ISSUE_TITLE TYPE STRING,
ISSUE_TYPE_DESCR TYPE STRING,
ISSUE_BO_DESCR TYPE STRING,
ISSUE_BO_IMPACT_DESCR TYPE STRING,
ISSUE_BO_RECOMND_DESCR TYPE STRING,
CR_DECISION TYPE STRING,
CH_ON_DATE_LOCAL TYPE STRING,
DECISION_MADE_BY TYPE STRING,
REASON_DECISION TYPE STRING,
APPVR_SIGN TYPE STRING,
ESTIMATED_COST TYPE STRING,
ESTIMATED_COST_CURR TYPE STRING,
ESTIMATED_REVENUE TYPE STRING,
ESTIMATED_REVENUE_CURR TYPE STRING,
ESTIMATED_MARGIN TYPE STRING,
ESTIMATED_MARGIN_CURR TYPE STRING,
ESTIMATED_IMPACT TYPE STRING,
ESTIMATED_QUANTITY TYPE STRING,
ESTIMATED_CHNG_COST TYPE STRING,
ESTIMATED_CHNG_COST_CURR TYPE STRING,
ESTIMATED_NEW_COST TYPE STRING,
ESTIMATED_NEW_COST_CURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PICM/S_EXT_APPRVL_PDF_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_/PICM/S_EXT_APPRVL_PDF_STR-MASTER_PROJ sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_ID sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-MASTER_PROJ_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-RESPONSE_PARTNER sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-APPROVER sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-CREA_ON_DATE_LOCAL sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-PRIORITY_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-CRITICALITY sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-CRITICALITY_TXT sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_TITLE sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_TYPE_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_BO_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_BO_IMPACT_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ISSUE_BO_RECOMND_DESCR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-CR_DECISION sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-CH_ON_DATE_LOCAL sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-DECISION_MADE_BY sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-REASON_DECISION sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-APPVR_SIGN sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_COST sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_COST_CURR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_REVENUE sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_REVENUE_CURR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_MARGIN sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_MARGIN_CURR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_IMPACT sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_QUANTITY sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_CHNG_COST sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_CHNG_COST_CURR sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_NEW_COST sy-vline 
WA_/PICM/S_EXT_APPRVL_PDF_STR-ESTIMATED_NEW_COST_CURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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