ABAP Select data from SAP table /IAM/S_BAPICHARG1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /IAM/S_BAPICHARG1 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 /IAM/S_BAPICHARG1. 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 /IAM/S_BAPICHARG1 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_/IAM/S_BAPICHARG1 TYPE STANDARD TABLE OF /IAM/S_BAPICHARG1,
      WA_/IAM/S_BAPICHARG1 TYPE /IAM/S_BAPICHARG1,
      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: </IAM/S_BAPICHARG1> TYPE /IAM/S_BAPICHARG1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/IAM/S_BAPICHARG1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /IAM/S_BAPICHARG1
  INTO TABLE IT_/IAM/S_BAPICHARG1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /IAM/S_BAPICHARG1
*  INTO TABLE @DATA(IT_/IAM/S_BAPICHARG12).
*--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_/IAM/S_BAPICHARG1 INDEX 1 INTO DATA(WA_/IAM/S_BAPICHARG12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/IAM/S_BAPICHARG1 ASSIGNING </IAM/S_BAPICHARG1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</IAM/S_BAPICHARG1>-MATERIAL = 1.
</IAM/S_BAPICHARG1>-PLANT = 1.
</IAM/S_BAPICHARG1>-BATCH = 1.
</IAM/S_BAPICHARG1>-VAL_TYPE = 1.
</IAM/S_BAPICHARG1>-RESTRICTED = 1.

ENDLOOP.

LOOP AT IT_/IAM/S_BAPICHARG1 INTO WA_/IAM/S_BAPICHARG1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/IAM/S_BAPICHARG1-STATUSKEY, sy-vline,
  WA_/IAM/S_BAPICHARG1-AVAILABLE, sy-vline,
  WA_/IAM/S_BAPICHARG1-EXPIRYDATE, sy-vline,
  WA_/IAM/S_BAPICHARG1-DELETEFLAG, sy-vline,
  WA_/IAM/S_BAPICHARG1-REGIONORIG, sy-vline,
  WA_/IAM/S_BAPICHARG1-COUNTRYORI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/IAM/S_BAPICHARG1 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_/IAM/S_BAPICHARG1 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_/IAM/S_BAPICHARG1 INTO WA_/IAM/S_BAPICHARG1.


*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 MATN1, internal->external for field MATERIAL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/IAM/S_BAPICHARG1-MATERIAL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/IAM/S_BAPICHARG1-MATERIAL_LONG.
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_/IAM/S_BAPICHARG1_STR, 
MATERIAL TYPE STRING,
PLANT TYPE STRING,
BATCH TYPE STRING,
VAL_TYPE TYPE STRING,
RESTRICTED TYPE STRING,
STATUSKEY TYPE STRING,
AVAILABLE TYPE STRING,
EXPIRYDATE TYPE STRING,
DELETEFLAG TYPE STRING,
REGIONORIG TYPE STRING,
COUNTRYORI TYPE STRING,
EXPIMPGRP TYPE STRING,
VENDOR TYPE STRING,
VENDRBATCH TYPE STRING,
NEXTINSPEC TYPE STRING,
MATERIAL_EXTERNAL TYPE STRING,
MATERIAL_GUID TYPE STRING,
MATERIAL_VERSION TYPE STRING,
MATERIAL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/IAM/S_BAPICHARG1_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_/IAM/S_BAPICHARG1_STR-MATERIAL sy-vline 
WA_/IAM/S_BAPICHARG1_STR-PLANT sy-vline 
WA_/IAM/S_BAPICHARG1_STR-BATCH sy-vline 
WA_/IAM/S_BAPICHARG1_STR-VAL_TYPE sy-vline 
WA_/IAM/S_BAPICHARG1_STR-RESTRICTED sy-vline 
WA_/IAM/S_BAPICHARG1_STR-STATUSKEY sy-vline 
WA_/IAM/S_BAPICHARG1_STR-AVAILABLE sy-vline 
WA_/IAM/S_BAPICHARG1_STR-EXPIRYDATE sy-vline 
WA_/IAM/S_BAPICHARG1_STR-DELETEFLAG sy-vline 
WA_/IAM/S_BAPICHARG1_STR-REGIONORIG sy-vline 
WA_/IAM/S_BAPICHARG1_STR-COUNTRYORI sy-vline 
WA_/IAM/S_BAPICHARG1_STR-EXPIMPGRP sy-vline 
WA_/IAM/S_BAPICHARG1_STR-VENDOR sy-vline 
WA_/IAM/S_BAPICHARG1_STR-VENDRBATCH sy-vline 
WA_/IAM/S_BAPICHARG1_STR-NEXTINSPEC sy-vline 
WA_/IAM/S_BAPICHARG1_STR-MATERIAL_EXTERNAL sy-vline 
WA_/IAM/S_BAPICHARG1_STR-MATERIAL_GUID sy-vline 
WA_/IAM/S_BAPICHARG1_STR-MATERIAL_VERSION sy-vline 
WA_/IAM/S_BAPICHARG1_STR-MATERIAL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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