ABAP Select data from SAP table PIN_CHAP_VIA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIN_CHAP_VIA
*  INTO TABLE @DATA(IT_PIN_CHAP_VIA2).
*--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_PIN_CHAP_VIA INDEX 1 INTO DATA(WA_PIN_CHAP_VIA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIN_CHAP_VIA>-PERNR = 1.
<PIN_CHAP_VIA>-SBSEC = 1.
<PIN_CHAP_VIA>-SBDIV = 1.
<PIN_CHAP_VIA>-SBTDS = 1.
<PIN_CHAP_VIA>-SBDES = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIN_CHAP_VIA-COAMT, sy-vline,
  WA_PIN_CHAP_VIA-QLAMT, sy-vline,
  WA_PIN_CHAP_VIA-DEDMT, sy-vline,
  WA_PIN_CHAP_VIA-CNTRY, sy-vline,
  WA_PIN_CHAP_VIA-BETRG, sy-vline,
  WA_PIN_CHAP_VIA-AMT_CURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIN_CHAP_VIA 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_PIN_CHAP_VIA 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_PIN_CHAP_VIA INTO WA_PIN_CHAP_VIA.


*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_PIN_CHAP_VIA_STR, 
PERNR TYPE STRING,
SBSEC TYPE STRING,
SBDIV TYPE STRING,
SBTDS TYPE STRING,
SBDES TYPE STRING,
COAMT TYPE STRING,
QLAMT TYPE STRING,
DEDMT TYPE STRING,
CNTRY TYPE STRING,
BETRG TYPE STRING,
AMT_CURR TYPE STRING,
AMT_CUR2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIN_CHAP_VIA_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_PIN_CHAP_VIA_STR-PERNR sy-vline 
WA_PIN_CHAP_VIA_STR-SBSEC sy-vline 
WA_PIN_CHAP_VIA_STR-SBDIV sy-vline 
WA_PIN_CHAP_VIA_STR-SBTDS sy-vline 
WA_PIN_CHAP_VIA_STR-SBDES sy-vline 
WA_PIN_CHAP_VIA_STR-COAMT sy-vline 
WA_PIN_CHAP_VIA_STR-QLAMT sy-vline 
WA_PIN_CHAP_VIA_STR-DEDMT sy-vline 
WA_PIN_CHAP_VIA_STR-CNTRY sy-vline 
WA_PIN_CHAP_VIA_STR-BETRG sy-vline 
WA_PIN_CHAP_VIA_STR-AMT_CURR sy-vline 
WA_PIN_CHAP_VIA_STR-AMT_CUR2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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