ABAP Select data from SAP table LSO_RHCPRI00 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LSO_RHCPRI00 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 LSO_RHCPRI00. 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 LSO_RHCPRI00 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_LSO_RHCPRI00 TYPE STANDARD TABLE OF LSO_RHCPRI00,
      WA_LSO_RHCPRI00 TYPE LSO_RHCPRI00,
      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: <LSO_RHCPRI00> TYPE LSO_RHCPRI00.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_LSO_RHCPRI00.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM LSO_RHCPRI00
  INTO TABLE IT_LSO_RHCPRI00.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LSO_RHCPRI00
*  INTO TABLE @DATA(IT_LSO_RHCPRI002).
*--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_LSO_RHCPRI00 INDEX 1 INTO DATA(WA_LSO_RHCPRI002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_LSO_RHCPRI00 ASSIGNING <LSO_RHCPRI00>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LSO_RHCPRI00>-IKOST = 1.
<LSO_RHCPRI00>-CURC1 = 1.
<LSO_RHCPRI00>-CAPACITY = 1.
<LSO_RHCPRI00>-EVETX = 1.
<LSO_RHCPRI00>-EVESH = 1.

ENDLOOP.

LOOP AT IT_LSO_RHCPRI00 INTO WA_LSO_RHCPRI00.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LSO_RHCPRI00-EOTYP, sy-vline,
  WA_LSO_RHCPRI00-EVEID, sy-vline,
  WA_LSO_RHCPRI00-BEGDA, sy-vline,
  WA_LSO_RHCPRI00-ENDDA, sy-vline,
  WA_LSO_RHCPRI00-STRAI, sy-vline,
  WA_LSO_RHCPRI00-EXTRN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LSO_RHCPRI00 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_LSO_RHCPRI00 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_LSO_RHCPRI00 INTO WA_LSO_RHCPRI00.


*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 SCOST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LSO_RHCPRI00-SCOST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LSO_RHCPRI00-SCOST.
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_LSO_RHCPRI00_STR, 
IKOST TYPE STRING,
CURC1 TYPE STRING,
CAPACITY TYPE STRING,
EVETX TYPE STRING,
EVESH TYPE STRING,
EOTYP TYPE STRING,
EVEID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
STRAI TYPE STRING,
EXTRN TYPE STRING,
CBOX2 TYPE STRING,
CELEM TYPE STRING,
RESTX TYPE STRING,
RESSH TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
ICON TYPE STRING,
STATU TYPE STRING,
DISPO TYPE STRING,
ICONSUM TYPE STRING,
PRICE TYPE STRING,
CURCY TYPE STRING,
SCOST TYPE STRING,
RUNIT TYPE STRING,
KOKRS TYPE STRING,
ROTYP TYPE STRING,
RTYID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LSO_RHCPRI00_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_LSO_RHCPRI00_STR-IKOST sy-vline 
WA_LSO_RHCPRI00_STR-CURC1 sy-vline 
WA_LSO_RHCPRI00_STR-CAPACITY sy-vline 
WA_LSO_RHCPRI00_STR-EVETX sy-vline 
WA_LSO_RHCPRI00_STR-EVESH sy-vline 
WA_LSO_RHCPRI00_STR-EOTYP sy-vline 
WA_LSO_RHCPRI00_STR-EVEID sy-vline 
WA_LSO_RHCPRI00_STR-BEGDA sy-vline 
WA_LSO_RHCPRI00_STR-ENDDA sy-vline 
WA_LSO_RHCPRI00_STR-STRAI sy-vline 
WA_LSO_RHCPRI00_STR-EXTRN sy-vline 
WA_LSO_RHCPRI00_STR-CBOX2 sy-vline 
WA_LSO_RHCPRI00_STR-CELEM sy-vline 
WA_LSO_RHCPRI00_STR-RESTX sy-vline 
WA_LSO_RHCPRI00_STR-RESSH sy-vline 
WA_LSO_RHCPRI00_STR-OTYPE sy-vline 
WA_LSO_RHCPRI00_STR-OBJID sy-vline 
WA_LSO_RHCPRI00_STR-ICON sy-vline 
WA_LSO_RHCPRI00_STR-STATU sy-vline 
WA_LSO_RHCPRI00_STR-DISPO sy-vline 
WA_LSO_RHCPRI00_STR-ICONSUM sy-vline 
WA_LSO_RHCPRI00_STR-PRICE sy-vline 
WA_LSO_RHCPRI00_STR-CURCY sy-vline 
WA_LSO_RHCPRI00_STR-SCOST sy-vline 
WA_LSO_RHCPRI00_STR-RUNIT sy-vline 
WA_LSO_RHCPRI00_STR-KOKRS sy-vline 
WA_LSO_RHCPRI00_STR-ROTYP sy-vline 
WA_LSO_RHCPRI00_STR-RTYID sy-vline      INTO ld_text SEPARATED BY SPACE.

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