ABAP Select data from SAP table UMB_YS_INIT_SER_LINE 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_INIT_SER_LINE 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_INIT_SER_LINE. 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_INIT_SER_LINE 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_INIT_SER_LINE TYPE STANDARD TABLE OF UMB_YS_INIT_SER_LINE,
      WA_UMB_YS_INIT_SER_LINE TYPE UMB_YS_INIT_SER_LINE,
      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_INIT_SER_LINE> TYPE UMB_YS_INIT_SER_LINE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UMB_YS_INIT_SER_LINE
*  INTO TABLE @DATA(IT_UMB_YS_INIT_SER_LINE2).
*--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_INIT_SER_LINE INDEX 1 INTO DATA(WA_UMB_YS_INIT_SER_LINE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UMB_YS_INIT_SER_LINE>-FISCPER = 1.
<UMB_YS_INIT_SER_LINE>-COL01 = 1.
<UMB_YS_INIT_SER_LINE>-COL02 = 1.
<UMB_YS_INIT_SER_LINE>-COL03 = 1.
<UMB_YS_INIT_SER_LINE>-COL04 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UMB_YS_INIT_SER_LINE-COL05, sy-vline,
  WA_UMB_YS_INIT_SER_LINE-COL06, sy-vline,
  WA_UMB_YS_INIT_SER_LINE-COL07, sy-vline,
  WA_UMB_YS_INIT_SER_LINE-COL08, sy-vline,
  WA_UMB_YS_INIT_SER_LINE-COL09, sy-vline,
  WA_UMB_YS_INIT_SER_LINE-COL10, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UMB_YS_INIT_SER_LINE 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_INIT_SER_LINE 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_INIT_SER_LINE INTO WA_UMB_YS_INIT_SER_LINE.


*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 PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_UMB_YS_INIT_SER_LINE-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UMB_YS_INIT_SER_LINE-FISCPER.
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_UMB_YS_INIT_SER_LINE_STR, 
FISCPER 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,
COL11 TYPE STRING,
COL12 TYPE STRING,
COL13 TYPE STRING,
COL14 TYPE STRING,
COL15 TYPE STRING,
COL16 TYPE STRING,
COL17 TYPE STRING,
COL18 TYPE STRING,
COL19 TYPE STRING,
COL20 TYPE STRING,
CLR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UMB_YS_INIT_SER_LINE_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_INIT_SER_LINE_STR-FISCPER sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL01 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL02 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL03 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL04 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL05 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL06 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL07 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL08 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL09 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL10 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL11 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL12 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL13 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL14 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL15 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL16 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL17 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL18 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL19 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-COL20 sy-vline 
WA_UMB_YS_INIT_SER_LINE_STR-CLR sy-vline      INTO ld_text SEPARATED BY SPACE.

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