ABAP Select data from SAP table EISU_IL_BI_RATE_TYPE_PER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EISU_IL_BI_RATE_TYPE_PER
*  INTO TABLE @DATA(IT_EISU_IL_BI_RATE_TYPE_PER2).
*--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_EISU_IL_BI_RATE_TYPE_PER INDEX 1 INTO DATA(WA_EISU_IL_BI_RATE_TYPE_PER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EISU_IL_BI_RATE_TYPE_PER>-ANLAGE = 1.
<EISU_IL_BI_RATE_TYPE_PER>-ICON_GRAFICS = 1.
<EISU_IL_BI_RATE_TYPE_PER>-LOGIKZW = 1.
<EISU_IL_BI_RATE_TYPE_PER>-LOGIKNR = 1.
<EISU_IL_BI_RATE_TYPE_PER>-ANL_OPERAND = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EISU_IL_BI_RATE_TYPE_PER-TTYP_OPERAND, sy-vline,
  WA_EISU_IL_BI_RATE_TYPE_PER-FL_PEBRATE, sy-vline,
  WA_EISU_IL_BI_RATE_TYPE_PER-AB, sy-vline,
  WA_EISU_IL_BI_RATE_TYPE_PER-BIS, sy-vline,
  WA_EISU_IL_BI_RATE_TYPE_PER-TARIFART, sy-vline,
  WA_EISU_IL_BI_RATE_TYPE_PER-TARIFTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EISU_IL_BI_RATE_TYPE_PER 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_EISU_IL_BI_RATE_TYPE_PER 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_EISU_IL_BI_RATE_TYPE_PER INTO WA_EISU_IL_BI_RATE_TYPE_PER.


*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_EISU_IL_BI_RATE_TYPE_PER-ANLAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EISU_IL_BI_RATE_TYPE_PER-ANLAGE.
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_EISU_IL_BI_RATE_TYPE_PER_STR, 
ANLAGE TYPE STRING,
ICON_GRAFICS TYPE STRING,
LOGIKZW TYPE STRING,
LOGIKNR TYPE STRING,
ANL_OPERAND TYPE STRING,
TTYP_OPERAND TYPE STRING,
FL_PEBRATE TYPE STRING,
AB TYPE STRING,
BIS TYPE STRING,
TARIFART TYPE STRING,
TARIFTYP TYPE STRING,
SCHEMANR TYPE STRING,
TARIFNR TYPE STRING,
KONDIGR TYPE STRING,
TOUINTERFACE TYPE STRING,
RTPINTERFACE TYPE STRING,
TARIFBEZ TYPE STRING,
RATERELGROUP TYPE STRING,
BASIC_RATE TYPE STRING,
RATERELCAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EISU_IL_BI_RATE_TYPE_PER_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_EISU_IL_BI_RATE_TYPE_PER_STR-ANLAGE sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-ICON_GRAFICS sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-LOGIKZW sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-LOGIKNR sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-ANL_OPERAND sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TTYP_OPERAND sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-FL_PEBRATE sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-AB sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-BIS sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TARIFART sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TARIFTYP sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-SCHEMANR sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TARIFNR sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-KONDIGR sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TOUINTERFACE sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-RTPINTERFACE sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-TARIFBEZ sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-RATERELGROUP sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-BASIC_RATE sy-vline 
WA_EISU_IL_BI_RATE_TYPE_PER_STR-RATERELCAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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