ABAP Select data from SAP table ESALES_APPLICATION_SCREEN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESALES_APPLICATION_SCREEN
*  INTO TABLE @DATA(IT_ESALES_APPLICATION_SCREEN2).
*--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_ESALES_APPLICATION_SCREEN INDEX 1 INTO DATA(WA_ESALES_APPLICATION_SCREEN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESALES_APPLICATION_SCREEN>-TS1 = 1.
<ESALES_APPLICATION_SCREEN>-TS2 = 1.
<ESALES_APPLICATION_SCREEN>-TS3 = 1.
<ESALES_APPLICATION_SCREEN>-TS4 = 1.
<ESALES_APPLICATION_SCREEN>-TS5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESALES_APPLICATION_SCREEN-TS6, sy-vline,
  WA_ESALES_APPLICATION_SCREEN-TS7, sy-vline,
  WA_ESALES_APPLICATION_SCREEN-TS8, sy-vline,
  WA_ESALES_APPLICATION_SCREEN-TS9, sy-vline,
  WA_ESALES_APPLICATION_SCREEN-TS10, sy-vline,
  WA_ESALES_APPLICATION_SCREEN-TS11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESALES_APPLICATION_SCREEN 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_ESALES_APPLICATION_SCREEN 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_ESALES_APPLICATION_SCREEN INTO WA_ESALES_APPLICATION_SCREEN.


*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_ESALES_APPLICATION_SCREEN_STR, 
TS1 TYPE STRING,
TS2 TYPE STRING,
TS3 TYPE STRING,
TS4 TYPE STRING,
TS5 TYPE STRING,
TS6 TYPE STRING,
TS7 TYPE STRING,
TS8 TYPE STRING,
TS9 TYPE STRING,
TS10 TYPE STRING,
TS11 TYPE STRING,
TS12 TYPE STRING,
TS13 TYPE STRING,
TS14 TYPE STRING,
TS15 TYPE STRING,
TS16 TYPE STRING,
TS17 TYPE STRING,
TS18 TYPE STRING,
TS19 TYPE STRING,
TS20 TYPE STRING,
ACTIVE_CONFIG TYPE STRING,
SIM_TEXT TYPE STRING,
SETGROUP_ACTIVE TYPE STRING,
SETGROUP_DISP TYPE STRING,
PRODUCT_TEXTEDIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESALES_APPLICATION_SCREEN_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_ESALES_APPLICATION_SCREEN_STR-TS1 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS2 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS3 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS4 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS5 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS6 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS7 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS8 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS9 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS10 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS11 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS12 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS13 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS14 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS15 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS16 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS17 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS18 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS19 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-TS20 sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-ACTIVE_CONFIG sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-SIM_TEXT sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-SETGROUP_ACTIVE sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-SETGROUP_DISP sy-vline 
WA_ESALES_APPLICATION_SCREEN_STR-PRODUCT_TEXTEDIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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