ABAP Select data from SAP table REMIC_MIG_MEAS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REMIC_MIG_MEAS
*  INTO TABLE @DATA(IT_REMIC_MIG_MEAS2).
*--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_REMIC_MIG_MEAS INDEX 1 INTO DATA(WA_REMIC_MIG_MEAS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REMIC_MIG_MEAS>-MANDT = 1.
<REMIC_MIG_MEAS>-SABRG = 1.
<REMIC_MIG_MEAS>-SFLART = 1.
<REMIC_MIG_MEAS>-MEAS = 1.
<REMIC_MIG_MEAS>-SABRG_SUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REMIC_MIG_MEAS-SFLART_SUM, sy-vline,
  WA_REMIC_MIG_MEAS-AREA_SABRG_SUM, sy-vline,
  WA_REMIC_MIG_MEAS-AREA_SFLART_SUM, sy-vline,
  WA_REMIC_MIG_MEAS-BASERATE, sy-vline,
  WA_REMIC_MIG_MEAS-SETZEROIFVACANT, sy-vline,
  WA_REMIC_MIG_MEAS-ISPERCENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REMIC_MIG_MEAS 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_REMIC_MIG_MEAS 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_REMIC_MIG_MEAS INTO WA_REMIC_MIG_MEAS.


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

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

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

*Conversion exit ALPHA, internal->external for field SNKSL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REMIC_MIG_MEAS-SNKSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REMIC_MIG_MEAS-SNKSL.
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_REMIC_MIG_MEAS_STR, 
MANDT TYPE STRING,
SABRG TYPE STRING,
SFLART TYPE STRING,
MEAS TYPE STRING,
SABRG_SUM TYPE STRING,
SFLART_SUM TYPE STRING,
AREA_SABRG_SUM TYPE STRING,
AREA_SFLART_SUM TYPE STRING,
BASERATE TYPE STRING,
SETZEROIFVACANT TYPE STRING,
ISPERCENT TYPE STRING,
ISPROPAPPORT TYPE STRING,
GETBYCONDTYPE TYPE STRING,
ISCONSUMPTION TYPE STRING,
ISRESETABLE TYPE STRING,
MEASUNITDEF TYPE STRING,
USAGEFORRO TYPE STRING,
USAGEFORPR TYPE STRING,
USAGEFORBU TYPE STRING,
USAGEFORCN TYPE STRING,
ISSPCFACTOR TYPE STRING,
USEDFORAPPORT TYPE STRING,
ATINN TYPE STRING,
MPTYP TYPE STRING,
ISSUMMEAS TYPE STRING,
ISDIRECTASSIGN TYPE STRING,
SNKSL TYPE STRING,
OPTRATEIND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REMIC_MIG_MEAS_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_REMIC_MIG_MEAS_STR-MANDT sy-vline 
WA_REMIC_MIG_MEAS_STR-SABRG sy-vline 
WA_REMIC_MIG_MEAS_STR-SFLART sy-vline 
WA_REMIC_MIG_MEAS_STR-MEAS sy-vline 
WA_REMIC_MIG_MEAS_STR-SABRG_SUM sy-vline 
WA_REMIC_MIG_MEAS_STR-SFLART_SUM sy-vline 
WA_REMIC_MIG_MEAS_STR-AREA_SABRG_SUM sy-vline 
WA_REMIC_MIG_MEAS_STR-AREA_SFLART_SUM sy-vline 
WA_REMIC_MIG_MEAS_STR-BASERATE sy-vline 
WA_REMIC_MIG_MEAS_STR-SETZEROIFVACANT sy-vline 
WA_REMIC_MIG_MEAS_STR-ISPERCENT sy-vline 
WA_REMIC_MIG_MEAS_STR-ISPROPAPPORT sy-vline 
WA_REMIC_MIG_MEAS_STR-GETBYCONDTYPE sy-vline 
WA_REMIC_MIG_MEAS_STR-ISCONSUMPTION sy-vline 
WA_REMIC_MIG_MEAS_STR-ISRESETABLE sy-vline 
WA_REMIC_MIG_MEAS_STR-MEASUNITDEF sy-vline 
WA_REMIC_MIG_MEAS_STR-USAGEFORRO sy-vline 
WA_REMIC_MIG_MEAS_STR-USAGEFORPR sy-vline 
WA_REMIC_MIG_MEAS_STR-USAGEFORBU sy-vline 
WA_REMIC_MIG_MEAS_STR-USAGEFORCN sy-vline 
WA_REMIC_MIG_MEAS_STR-ISSPCFACTOR sy-vline 
WA_REMIC_MIG_MEAS_STR-USEDFORAPPORT sy-vline 
WA_REMIC_MIG_MEAS_STR-ATINN sy-vline 
WA_REMIC_MIG_MEAS_STR-MPTYP sy-vline 
WA_REMIC_MIG_MEAS_STR-ISSUMMEAS sy-vline 
WA_REMIC_MIG_MEAS_STR-ISDIRECTASSIGN sy-vline 
WA_REMIC_MIG_MEAS_STR-SNKSL sy-vline 
WA_REMIC_MIG_MEAS_STR-OPTRATEIND sy-vline      INTO ld_text SEPARATED BY SPACE.

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