ABAP Select data from SAP table MARA_AUSP_DQ_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MARA_AUSP_DQ_STR
*  INTO TABLE @DATA(IT_MARA_AUSP_DQ_STR2).
*--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_MARA_AUSP_DQ_STR INDEX 1 INTO DATA(WA_MARA_AUSP_DQ_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MARA_AUSP_DQ_STR>-SOURCE_SYSTEM = 1.
<MARA_AUSP_DQ_STR>-SOURCE_ID = 1.
<MARA_AUSP_DQ_STR>-ATZHL = 1.
<MARA_AUSP_DQ_STR>-MAFID = 1.
<MARA_AUSP_DQ_STR>-KLART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MARA_AUSP_DQ_STR-ADZHL, sy-vline,
  WA_MARA_AUSP_DQ_STR-SOURCE_ATINN, sy-vline,
  WA_MARA_AUSP_DQ_STR-ATWRT, sy-vline,
  WA_MARA_AUSP_DQ_STR-ATFLV, sy-vline,
  WA_MARA_AUSP_DQ_STR-ATAWE, sy-vline,
  WA_MARA_AUSP_DQ_STR-ATFLB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MARA_AUSP_DQ_STR 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_MARA_AUSP_DQ_STR 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_MARA_AUSP_DQ_STR INTO WA_MARA_AUSP_DQ_STR.


*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 ATINN, internal->external for field SOURCE_ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-SOURCE_ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-SOURCE_ATINN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ATAWE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-ATAWE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-ATAWE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ATAW1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-ATAW1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-ATAW1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATIMB
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-ATIMB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-ATIMB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ATINN, internal->external for field ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_MARA_AUSP_DQ_STR-ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MARA_AUSP_DQ_STR-ATINN.
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_MARA_AUSP_DQ_STR_STR, 
SOURCE_SYSTEM TYPE STRING,
SOURCE_ID TYPE STRING,
ATZHL TYPE STRING,
MAFID TYPE STRING,
KLART TYPE STRING,
ADZHL TYPE STRING,
SOURCE_ATINN TYPE STRING,
ATWRT TYPE STRING,
ATFLV TYPE STRING,
ATAWE TYPE STRING,
ATFLB TYPE STRING,
ATAW1 TYPE STRING,
ATCOD TYPE STRING,
ATTLV TYPE STRING,
ATTLB TYPE STRING,
ATPRZ TYPE STRING,
ATINC TYPE STRING,
ATAUT TYPE STRING,
AENNR TYPE STRING,
DATUV TYPE STRING,
LKENZ TYPE STRING,
ATIMB TYPE STRING,
ATZIS TYPE STRING,
ATSRT TYPE STRING,
ATVGLART TYPE STRING,
DATUB TYPE STRING,
ATNAM TYPE STRING,
ATINN TYPE STRING,
DEC_VALUE_FROM TYPE STRING,
DEC_VALUE_TO TYPE STRING,
CURR_VALUE_FROM TYPE STRING,
CURR_VALUE_TO TYPE STRING,
CURRENCY TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
TIME_FROM TYPE STRING,
TIME_TO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MARA_AUSP_DQ_STR_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_MARA_AUSP_DQ_STR_STR-SOURCE_SYSTEM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-SOURCE_ID sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATZHL sy-vline 
WA_MARA_AUSP_DQ_STR_STR-MAFID sy-vline 
WA_MARA_AUSP_DQ_STR_STR-KLART sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ADZHL sy-vline 
WA_MARA_AUSP_DQ_STR_STR-SOURCE_ATINN sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATWRT sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATFLV sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATAWE sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATFLB sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATAW1 sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATCOD sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATTLV sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATTLB sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATPRZ sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATINC sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATAUT sy-vline 
WA_MARA_AUSP_DQ_STR_STR-AENNR sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DATUV sy-vline 
WA_MARA_AUSP_DQ_STR_STR-LKENZ sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATIMB sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATZIS sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATSRT sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATVGLART sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DATUB sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATNAM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-ATINN sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DEC_VALUE_FROM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DEC_VALUE_TO sy-vline 
WA_MARA_AUSP_DQ_STR_STR-CURR_VALUE_FROM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-CURR_VALUE_TO sy-vline 
WA_MARA_AUSP_DQ_STR_STR-CURRENCY sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DATE_FROM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-DATE_TO sy-vline 
WA_MARA_AUSP_DQ_STR_STR-TIME_FROM sy-vline 
WA_MARA_AUSP_DQ_STR_STR-TIME_TO sy-vline      INTO ld_text SEPARATED BY SPACE.

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