SAP MASSTABD ABAP Select data from SAP table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MASSTABD
*  INTO TABLE @DATA(IT_MASSTABD2).
*--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_MASSTABD INDEX 1 INTO DATA(WA_MASSTABD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MASSTABD>-MASSREAD1 = 1.
<MASSTABD>-MASSREAD2 = 1.
<MASSTABD>-MASSREAD3 = 1.
<MASSTABD>-MASSREAD4 = 1.
<MASSTABD>-MASSREAD5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MASSTABD-MASSREAD6, sy-vline,
  WA_MASSTABD-MASSREAD7, sy-vline,
  WA_MASSTABD-MASSBILL1, sy-vline,
  WA_MASSTABD-MASSBILL2, sy-vline,
  WA_MASSTABD-MASSBILL3, sy-vline,
  WA_MASSTABD-MASSBILL4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MASSTABD 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_MASSTABD 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_MASSTABD INTO WA_MASSTABD.


*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 LUNIT, internal->external for field MASSREAD1
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD2
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD3
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD4
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD5
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD6
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD6.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field MASSREAD7
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSREAD7
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSREAD7.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL4
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL5
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL6
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL6.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL7
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL7
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL7.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL8
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL8
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL8.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL9
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL9
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL9.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL10
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL10
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL10.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL11
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL12
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL12
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL12.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL13
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL13
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL13.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSBILL14
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MASSTABD-MASSBILL14
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MASSTABD-MASSBILL14.
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_MASSTABD_STR, 
MASSREAD1 TYPE STRING,
MASSREAD2 TYPE STRING,
MASSREAD3 TYPE STRING,
MASSREAD4 TYPE STRING,
MASSREAD5 TYPE STRING,
MASSREAD6 TYPE STRING,
MASSREAD7 TYPE STRING,
MASSBILL1 TYPE STRING,
MASSBILL2 TYPE STRING,
MASSBILL3 TYPE STRING,
MASSBILL4 TYPE STRING,
MASSBILL5 TYPE STRING,
MASSBILL6 TYPE STRING,
MASSBILL7 TYPE STRING,
MASSBILL8 TYPE STRING,
MASSBILL9 TYPE STRING,
MASSBILL10 TYPE STRING,
MASSBILL11 TYPE STRING,
MASSBILL12 TYPE STRING,
MASSBILL13 TYPE STRING,
MASSBILL14 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MASSTABD_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_MASSTABD_STR-MASSREAD1 sy-vline 
WA_MASSTABD_STR-MASSREAD2 sy-vline 
WA_MASSTABD_STR-MASSREAD3 sy-vline 
WA_MASSTABD_STR-MASSREAD4 sy-vline 
WA_MASSTABD_STR-MASSREAD5 sy-vline 
WA_MASSTABD_STR-MASSREAD6 sy-vline 
WA_MASSTABD_STR-MASSREAD7 sy-vline 
WA_MASSTABD_STR-MASSBILL1 sy-vline 
WA_MASSTABD_STR-MASSBILL2 sy-vline 
WA_MASSTABD_STR-MASSBILL3 sy-vline 
WA_MASSTABD_STR-MASSBILL4 sy-vline 
WA_MASSTABD_STR-MASSBILL5 sy-vline 
WA_MASSTABD_STR-MASSBILL6 sy-vline 
WA_MASSTABD_STR-MASSBILL7 sy-vline 
WA_MASSTABD_STR-MASSBILL8 sy-vline 
WA_MASSTABD_STR-MASSBILL9 sy-vline 
WA_MASSTABD_STR-MASSBILL10 sy-vline 
WA_MASSTABD_STR-MASSBILL11 sy-vline 
WA_MASSTABD_STR-MASSBILL12 sy-vline 
WA_MASSTABD_STR-MASSBILL13 sy-vline 
WA_MASSTABD_STR-MASSBILL14 sy-vline      INTO ld_text SEPARATED BY SPACE.

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

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