ABAP Select data from SAP table /MVA/AMARS_CHARGES_SEARCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MVA/AMARS_CHARGES_SEARCH
*  INTO TABLE @DATA(IT_/MVA/AMARS_CHARGES_SEARCH2).
*--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_/MVA/AMARS_CHARGES_SEARCH INDEX 1 INTO DATA(WA_/MVA/AMARS_CHARGES_SEARCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MVA/AMARS_CHARGES_SEARCH>-CLIENT = 1.
</MVA/AMARS_CHARGES_SEARCH>-/MVA/MSG_ID = 1.
</MVA/AMARS_CHARGES_SEARCH>-/MVA/MOVE_ID = 1.
</MVA/AMARS_CHARGES_SEARCH>-/MVA/ICOMPANY_CD = 1.
</MVA/AMARS_CHARGES_SEARCH>-/MVA/RESP_RA7_CD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/SETTL_DT, sy-vline,
  WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/LIABICOM_CD, sy-vline,
  WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/NAMLICOW_TT, sy-vline,
  WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/TRANSTYP_CD, sy-vline,
  WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/LIC_DEP_CD, sy-vline,
  WA_/MVA/AMARS_CHARGES_SEARCH-/MVA/LIC_MARK_TT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MVA/AMARS_CHARGES_SEARCH 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_/MVA/AMARS_CHARGES_SEARCH 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_/MVA/AMARS_CHARGES_SEARCH INTO WA_/MVA/AMARS_CHARGES_SEARCH.


*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_/MVA/AMARS_CHARGES_SEARCH_STR, 
CLIENT TYPE STRING,
/MVA/MSG_ID TYPE STRING,
/MVA/MOVE_ID TYPE STRING,
/MVA/ICOMPANY_CD TYPE STRING,
/MVA/RESP_RA7_CD TYPE STRING,
/MVA/SETTL_DT TYPE STRING,
/MVA/LIABICOM_CD TYPE STRING,
/MVA/NAMLICOW_TT TYPE STRING,
/MVA/TRANSTYP_CD TYPE STRING,
/MVA/LIC_DEP_CD TYPE STRING,
/MVA/LIC_MARK_TT TYPE STRING,
/MVA/LICRANGE_CD TYPE STRING,
/MVA/METHOPAY_CD TYPE STRING,
/MVA/CURRENCY_CD TYPE STRING,
/MVA/ADMISFEE_CD TYPE STRING,
/MVA/SEC_FEE_CD TYPE STRING,
/MVA/EXPLOAD_CD TYPE STRING,
/MVA/VAT_EXPL_CD TYPE STRING,
/MVA/CHRGNPL_CD TYPE STRING,
/MVA/VATNPL_CD TYPE STRING,
/MVA/CHRGVIT_CD TYPE STRING,
/MVA/CHRGCRNR_CD TYPE STRING,
/MVA/CHRGZMRE_CD TYPE STRING,
/MVA/REG_DT TYPE STRING,
/MVA/VEHICLE_ID TYPE STRING,
/MVA/FUNCTION_CD TYPE STRING,
/MVA/COST_REPORT_ID TYPE STRING,
/MVA/REF_COST_REPORT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MVA/AMARS_CHARGES_SEARCH_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_/MVA/AMARS_CHARGES_SEARCH_STR-CLIENT sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/MSG_ID sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/MOVE_ID sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/ICOMPANY_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/RESP_RA7_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/SETTL_DT sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/LIABICOM_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/NAMLICOW_TT sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/TRANSTYP_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/LIC_DEP_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/LIC_MARK_TT sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/LICRANGE_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/METHOPAY_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/CURRENCY_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/ADMISFEE_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/SEC_FEE_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/EXPLOAD_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/VAT_EXPL_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/CHRGNPL_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/VATNPL_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/CHRGVIT_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/CHRGCRNR_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/CHRGZMRE_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/REG_DT sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/VEHICLE_ID sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/FUNCTION_CD sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/COST_REPORT_ID sy-vline 
WA_/MVA/AMARS_CHARGES_SEARCH_STR-/MVA/REF_COST_REPORT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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