ABAP Select data from SAP table UMB_YS_MEAS_PRINT_CAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UMB_YS_MEAS_PRINT_CAT
*  INTO TABLE @DATA(IT_UMB_YS_MEAS_PRINT_CAT2).
*--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_UMB_YS_MEAS_PRINT_CAT INDEX 1 INTO DATA(WA_UMB_YS_MEAS_PRINT_CAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UMB_YS_MEAS_PRINT_CAT>-SCARD_STXT = 1.
<UMB_YS_MEAS_PRINT_CAT>-STRAT_LTXT = 1.
<UMB_YS_MEAS_PRINT_CAT>-PERS_LTXT = 1.
<UMB_YS_MEAS_PRINT_CAT>-OBJ_LTXT = 1.
<UMB_YS_MEAS_PRINT_CAT>-MEAS_LTXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UMB_YS_MEAS_PRINT_CAT-OWNER, sy-vline,
  WA_UMB_YS_MEAS_PRINT_CAT-STATUS, sy-vline,
  WA_UMB_YS_MEAS_PRINT_CAT-COL01, sy-vline,
  WA_UMB_YS_MEAS_PRINT_CAT-COL02, sy-vline,
  WA_UMB_YS_MEAS_PRINT_CAT-COL03, sy-vline,
  WA_UMB_YS_MEAS_PRINT_CAT-COL04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UMB_YS_MEAS_PRINT_CAT 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_UMB_YS_MEAS_PRINT_CAT 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_UMB_YS_MEAS_PRINT_CAT INTO WA_UMB_YS_MEAS_PRINT_CAT.


*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_UMB_YS_MEAS_PRINT_CAT_STR, 
SCARD_STXT TYPE STRING,
STRAT_LTXT TYPE STRING,
PERS_LTXT TYPE STRING,
OBJ_LTXT TYPE STRING,
MEAS_LTXT TYPE STRING,
OWNER TYPE STRING,
STATUS TYPE STRING,
COL01 TYPE STRING,
COL02 TYPE STRING,
COL03 TYPE STRING,
COL04 TYPE STRING,
COL05 TYPE STRING,
COL06 TYPE STRING,
COL07 TYPE STRING,
COL08 TYPE STRING,
COL09 TYPE STRING,
COL10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UMB_YS_MEAS_PRINT_CAT_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_UMB_YS_MEAS_PRINT_CAT_STR-SCARD_STXT sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-STRAT_LTXT sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-PERS_LTXT sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-OBJ_LTXT sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-MEAS_LTXT sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-OWNER sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-STATUS sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL01 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL02 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL03 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL04 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL05 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL06 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL07 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL08 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL09 sy-vline 
WA_UMB_YS_MEAS_PRINT_CAT_STR-COL10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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