ABAP Select data from SAP table ARUN_ITA_ERULS_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_ITA_ERULS_V
*  INTO TABLE @DATA(IT_ARUN_ITA_ERULS_V2).
*--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_ARUN_ITA_ERULS_V INDEX 1 INTO DATA(WA_ARUN_ITA_ERULS_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_ITA_ERULS_V>-MANDT = 1.
<ARUN_ITA_ERULS_V>-ERULE = 1.
<ARUN_ITA_ERULS_V>-EXOP1 = 1.
<ARUN_ITA_ERULS_V>-EXOP2 = 1.
<ARUN_ITA_ERULS_V>-EXOP3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_ITA_ERULS_V-EXOP4, sy-vline,
  WA_ARUN_ITA_ERULS_V-EXOP5, sy-vline,
  WA_ARUN_ITA_ERULS_V-EXOP6, sy-vline,
  WA_ARUN_ITA_ERULS_V-EXOP7, sy-vline,
  WA_ARUN_ITA_ERULS_V-EXOP8, sy-vline,
  WA_ARUN_ITA_ERULS_V-EXOP9, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_ITA_ERULS_V 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_ARUN_ITA_ERULS_V 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_ARUN_ITA_ERULS_V INTO WA_ARUN_ITA_ERULS_V.


*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_ARUN_ITA_ERULS_V_STR, 
MANDT TYPE STRING,
ERULE TYPE STRING,
EXOP1 TYPE STRING,
EXOP2 TYPE STRING,
EXOP3 TYPE STRING,
EXOP4 TYPE STRING,
EXOP5 TYPE STRING,
EXOP6 TYPE STRING,
EXOP7 TYPE STRING,
EXOP8 TYPE STRING,
EXOP9 TYPE STRING,
EXOP10 TYPE STRING,
EXOP11 TYPE STRING,
EXOP12 TYPE STRING,
EXOP13 TYPE STRING,
EXOP14 TYPE STRING,
EXOP15 TYPE STRING,
EXOP16 TYPE STRING,
CEXOP1 TYPE STRING,
CEXOP2 TYPE STRING,
CEXOP1F TYPE STRING,
CEXOP2F TYPE STRING,
EXOP1D TYPE STRING,
EXOP2D TYPE STRING,
EXOP3D TYPE STRING,
EXOP4D TYPE STRING,
EXOP5D TYPE STRING,
EXOP6D TYPE STRING,
EXOP7D TYPE STRING,
EXOP8D TYPE STRING,
EXOP9D TYPE STRING,
EXOP10D TYPE STRING,
EXOP11D TYPE STRING,
EXOP12D TYPE STRING,
EXOP13D TYPE STRING,
EXOP14D TYPE STRING,
EXOP15D TYPE STRING,
EXOP16D TYPE STRING,
EXOP1_EID TYPE STRING,
EXOP2_EID TYPE STRING,
EXOP3_EID TYPE STRING,
EXOP4_EID TYPE STRING,
EXOP5_EID TYPE STRING,
EXOP6_EID TYPE STRING,
EXOP7_EID TYPE STRING,
EXOP8_EID TYPE STRING,
EXOP9_EID TYPE STRING,
EXOP10_EID TYPE STRING,
EXOP11_EID TYPE STRING,
EXOP12_EID TYPE STRING,
EXOP13_EID TYPE STRING,
EXOP14_EID TYPE STRING,
EXOP15_EID TYPE STRING,
EXOP16_EID TYPE STRING,
CEXOP1_EID TYPE STRING,
CEXOP2_EID TYPE STRING,
BEZEI TYPE STRING,
DAYS1 TYPE STRING,
DAYS2 TYPE STRING,
DAYS3 TYPE STRING,
DAYS4 TYPE STRING,
EXOP17 TYPE STRING,
EXOP17D TYPE STRING,
EXOP17_EID TYPE STRING,
DAYS5 TYPE STRING,
DAYS6 TYPE STRING,
DAYS7 TYPE STRING,
DAYS8 TYPE STRING,
DAYS9 TYPE STRING,
DAYS10 TYPE STRING,
DAYS11 TYPE STRING,
DAYS12 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_ITA_ERULS_V_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_ARUN_ITA_ERULS_V_STR-MANDT sy-vline 
WA_ARUN_ITA_ERULS_V_STR-ERULE sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP1 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP2 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP3 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP4 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP5 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP6 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP7 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP8 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP9 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP10 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP11 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP12 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP13 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP14 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP15 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP16 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP1 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP2 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP1F sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP2F sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP1D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP2D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP3D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP4D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP5D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP6D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP7D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP8D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP9D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP10D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP11D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP12D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP13D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP14D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP15D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP16D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP1_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP2_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP3_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP4_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP5_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP6_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP7_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP8_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP9_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP10_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP11_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP12_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP13_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP14_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP15_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP16_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP1_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-CEXOP2_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-BEZEI sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS1 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS2 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS3 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS4 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP17 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP17D sy-vline 
WA_ARUN_ITA_ERULS_V_STR-EXOP17_EID sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS5 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS6 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS7 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS8 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS9 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS10 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS11 sy-vline 
WA_ARUN_ITA_ERULS_V_STR-DAYS12 sy-vline      INTO ld_text SEPARATED BY SPACE.

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