ABAP Select data from SAP table ROIUREP_OK_CLO108_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ROIUREP_OK_CLO108_H 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 ROIUREP_OK_CLO108_H. 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 ROIUREP_OK_CLO108_H 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_ROIUREP_OK_CLO108_H TYPE STANDARD TABLE OF ROIUREP_OK_CLO108_H,
      WA_ROIUREP_OK_CLO108_H TYPE ROIUREP_OK_CLO108_H,
      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: <ROIUREP_OK_CLO108_H> TYPE ROIUREP_OK_CLO108_H.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ROIUREP_OK_CLO108_H.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ROIUREP_OK_CLO108_H
  INTO TABLE IT_ROIUREP_OK_CLO108_H.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUREP_OK_CLO108_H
*  INTO TABLE @DATA(IT_ROIUREP_OK_CLO108_H2).
*--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_ROIUREP_OK_CLO108_H INDEX 1 INTO DATA(WA_ROIUREP_OK_CLO108_H2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ROIUREP_OK_CLO108_H ASSIGNING <ROIUREP_OK_CLO108_H>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUREP_OK_CLO108_H>-YEAR_W = 1.
<ROIUREP_OK_CLO108_H>-YEAR_S = 1.
<ROIUREP_OK_CLO108_H>-MONTH_W = 1.
<ROIUREP_OK_CLO108_H>-MONTH_S = 1.
<ROIUREP_OK_CLO108_H>-LESSEE = 1.

ENDLOOP.

LOOP AT IT_ROIUREP_OK_CLO108_H INTO WA_ROIUREP_OK_CLO108_H.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUREP_OK_CLO108_H-DESPN, sy-vline,
  WA_ROIUREP_OK_CLO108_H-SEC, sy-vline,
  WA_ROIUREP_OK_CLO108_H-TWP, sy-vline,
  WA_ROIUREP_OK_CLO108_H-RGE, sy-vline,
  WA_ROIUREP_OK_CLO108_H-SEC_GEO_LOC, sy-vline,
  WA_ROIUREP_OK_CLO108_H-AGENCY_LEASE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUREP_OK_CLO108_H 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_ROIUREP_OK_CLO108_H 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_ROIUREP_OK_CLO108_H INTO WA_ROIUREP_OK_CLO108_H.


*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_ROIUREP_OK_CLO108_H_STR, 
YEAR_W TYPE STRING,
YEAR_S TYPE STRING,
MONTH_W TYPE STRING,
MONTH_S TYPE STRING,
LESSEE TYPE STRING,
DESPN TYPE STRING,
SEC TYPE STRING,
TWP TYPE STRING,
RGE TYPE STRING,
SEC_GEO_LOC TYPE STRING,
AGENCY_LEASE TYPE STRING,
BA_NM_1 TYPE STRING,
OPR_WELL TYPE STRING,
REP_IND TYPE STRING,
ROYINT_PAID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUREP_OK_CLO108_H_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_ROIUREP_OK_CLO108_H_STR-YEAR_W sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-YEAR_S sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-MONTH_W sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-MONTH_S sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-LESSEE sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-DESPN sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-SEC sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-TWP sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-RGE sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-SEC_GEO_LOC sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-AGENCY_LEASE sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-BA_NM_1 sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-OPR_WELL sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-REP_IND sy-vline 
WA_ROIUREP_OK_CLO108_H_STR-ROYINT_PAID sy-vline      INTO ld_text SEPARATED BY SPACE.

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