ABAP Select data from SAP table /ISIDEX/ESETTLPODLIST_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISIDEX/ESETTLPODLIST_ALV 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 /ISIDEX/ESETTLPODLIST_ALV. 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 /ISIDEX/ESETTLPODLIST_ALV 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_/ISIDEX/ESETTLPODLIST_ALV TYPE STANDARD TABLE OF /ISIDEX/ESETTLPODLIST_ALV,
      WA_/ISIDEX/ESETTLPODLIST_ALV TYPE /ISIDEX/ESETTLPODLIST_ALV,
      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: </ISIDEX/ESETTLPODLIST_ALV> TYPE /ISIDEX/ESETTLPODLIST_ALV.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISIDEX/ESETTLPODLIST_ALV
  INTO TABLE IT_/ISIDEX/ESETTLPODLIST_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISIDEX/ESETTLPODLIST_ALV
*  INTO TABLE @DATA(IT_/ISIDEX/ESETTLPODLIST_ALV2).
*--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_/ISIDEX/ESETTLPODLIST_ALV INDEX 1 INTO DATA(WA_/ISIDEX/ESETTLPODLIST_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISIDEX/ESETTLPODLIST_ALV ASSIGNING </ISIDEX/ESETTLPODLIST_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISIDEX/ESETTLPODLIST_ALV>-SERVICEID = 1.
</ISIDEX/ESETTLPODLIST_ALV>-SP_NAME = 1.
</ISIDEX/ESETTLPODLIST_ALV>-SETTLUNIT = 1.
</ISIDEX/ESETTLPODLIST_ALV>-SETTLUNITTXT = 1.
</ISIDEX/ESETTLPODLIST_ALV>-PROFILE = 1.

ENDLOOP.

LOOP AT IT_/ISIDEX/ESETTLPODLIST_ALV INTO WA_/ISIDEX/ESETTLPODLIST_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISIDEX/ESETTLPODLIST_ALV-PROFTEXT, sy-vline,
  WA_/ISIDEX/ESETTLPODLIST_ALV-INT_UI, sy-vline,
  WA_/ISIDEX/ESETTLPODLIST_ALV-EXT_UI, sy-vline,
  WA_/ISIDEX/ESETTLPODLIST_ALV-ANLAGE, sy-vline,
  WA_/ISIDEX/ESETTLPODLIST_ALV-SETTLUSAGE_DATE_FROM, sy-vline,
  WA_/ISIDEX/ESETTLPODLIST_ALV-SETTUSAGE_TIME_FROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISIDEX/ESETTLPODLIST_ALV 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_/ISIDEX/ESETTLPODLIST_ALV 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_/ISIDEX/ESETTLPODLIST_ALV INTO WA_/ISIDEX/ESETTLPODLIST_ALV.


*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 ANLAGE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISIDEX/ESETTLPODLIST_ALV-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISIDEX/ESETTLPODLIST_ALV-ANLAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISIDEX/ESETTLPODLIST_ALV-MASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISIDEX/ESETTLPODLIST_ALV-MASS.
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_/ISIDEX/ESETTLPODLIST_ALV_STR, 
SERVICEID TYPE STRING,
SP_NAME TYPE STRING,
SETTLUNIT TYPE STRING,
SETTLUNITTXT TYPE STRING,
PROFILE TYPE STRING,
PROFTEXT TYPE STRING,
INT_UI TYPE STRING,
EXT_UI TYPE STRING,
ANLAGE TYPE STRING,
SETTLUSAGE_DATE_FROM TYPE STRING,
SETTUSAGE_TIME_FROM TYPE STRING,
SETTLUSAGE_DATE_TO TYPE STRING,
SETTLUSAGE_TIME_TO TYPE STRING,
CURRUSAGE_DATE_FROM TYPE STRING,
CURRUSAGE_TIME_FROM TYPE STRING,
CURRUSAGE_DATE_TO TYPE STRING,
CURRUSAGE_TIME_TO TYPE STRING,
SETTLUSAGE TYPE STRING,
CURRUSAGE TYPE STRING,
OVER_UNDER_TAKE TYPE STRING,
SETTLDOC_CURR TYPE STRING,
SETTLDOC_PREV TYPE STRING,
MASS TYPE STRING,
ESETTLPODLIST TYPE STRING,
DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISIDEX/ESETTLPODLIST_ALV_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_/ISIDEX/ESETTLPODLIST_ALV_STR-SERVICEID sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SP_NAME sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUNIT sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUNITTXT sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-PROFILE sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-PROFTEXT sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-INT_UI sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-EXT_UI sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-ANLAGE sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUSAGE_DATE_FROM sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTUSAGE_TIME_FROM sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUSAGE_DATE_TO sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUSAGE_TIME_TO sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-CURRUSAGE_DATE_FROM sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-CURRUSAGE_TIME_FROM sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-CURRUSAGE_DATE_TO sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-CURRUSAGE_TIME_TO sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLUSAGE sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-CURRUSAGE sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-OVER_UNDER_TAKE sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLDOC_CURR sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-SETTLDOC_PREV sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-MASS sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-ESETTLPODLIST sy-vline 
WA_/ISIDEX/ESETTLPODLIST_ALV_STR-DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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