ABAP Select data from SAP table RECPOIRENEWAL02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RECPOIRENEWAL02 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 RECPOIRENEWAL02. 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 RECPOIRENEWAL02 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_RECPOIRENEWAL02 TYPE STANDARD TABLE OF RECPOIRENEWAL02,
      WA_RECPOIRENEWAL02 TYPE RECPOIRENEWAL02,
      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: <RECPOIRENEWAL02> TYPE RECPOIRENEWAL02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RECPOIRENEWAL02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RECPOIRENEWAL02
  INTO TABLE IT_RECPOIRENEWAL02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECPOIRENEWAL02
*  INTO TABLE @DATA(IT_RECPOIRENEWAL022).
*--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_RECPOIRENEWAL02 INDEX 1 INTO DATA(WA_RECPOIRENEWAL022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RECPOIRENEWAL02 ASSIGNING <RECPOIRENEWAL02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECPOIRENEWAL02>-SRNWLFDNUM_02 = 1.
<RECPOIRENEWAL02>-NRNWSORTNB_02 = 1.
<RECPOIRENEWAL02>-SRNWOPTION_02 = 1.
<RECPOIRENEWAL02>-NRNWJHR_02 = 1.
<RECPOIRENEWAL02>-NRNWMON_02 = 1.

ENDLOOP.

LOOP AT IT_RECPOIRENEWAL02 INTO WA_RECPOIRENEWAL02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECPOIRENEWAL02-NRNWTAG_02, sy-vline,
  WA_RECPOIRENEWAL02-SRNWDAYRND_02, sy-vline,
  WA_RECPOIRENEWAL02-NAMTJHR_02, sy-vline,
  WA_RECPOIRENEWAL02-NAMTMON_02, sy-vline,
  WA_RECPOIRENEWAL02-NAMTTAG_02, sy-vline,
  WA_RECPOIRENEWAL02-SAMTDAYRND_02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECPOIRENEWAL02 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_RECPOIRENEWAL02 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_RECPOIRENEWAL02 INTO WA_RECPOIRENEWAL02.


*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_RECPOIRENEWAL02_STR, 
SRNWLFDNUM_02 TYPE STRING,
NRNWSORTNB_02 TYPE STRING,
SRNWOPTION_02 TYPE STRING,
NRNWJHR_02 TYPE STRING,
NRNWMON_02 TYPE STRING,
NRNWTAG_02 TYPE STRING,
SRNWDAYRND_02 TYPE STRING,
NAMTJHR_02 TYPE STRING,
NAMTMON_02 TYPE STRING,
NAMTTAG_02 TYPE STRING,
SAMTDAYRND_02 TYPE STRING,
DRNWDATE_02 TYPE STRING,
DAMTDATE_02 TYPE STRING,
DRNWACCOWN_02 TYPE STRING,
DRNWACCPAR_02 TYPE STRING,
DRNWOPTACT_02 TYPE STRING,
JRNWDCTINP_02 TYPE STRING,
XRNWINFTXT_02 TYPE STRING,
SRNWSOURCE_02 TYPE STRING,
XSRNWSOURCE_02 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECPOIRENEWAL02_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_RECPOIRENEWAL02_STR-SRNWLFDNUM_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NRNWSORTNB_02 sy-vline 
WA_RECPOIRENEWAL02_STR-SRNWOPTION_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NRNWJHR_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NRNWMON_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NRNWTAG_02 sy-vline 
WA_RECPOIRENEWAL02_STR-SRNWDAYRND_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NAMTJHR_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NAMTMON_02 sy-vline 
WA_RECPOIRENEWAL02_STR-NAMTTAG_02 sy-vline 
WA_RECPOIRENEWAL02_STR-SAMTDAYRND_02 sy-vline 
WA_RECPOIRENEWAL02_STR-DRNWDATE_02 sy-vline 
WA_RECPOIRENEWAL02_STR-DAMTDATE_02 sy-vline 
WA_RECPOIRENEWAL02_STR-DRNWACCOWN_02 sy-vline 
WA_RECPOIRENEWAL02_STR-DRNWACCPAR_02 sy-vline 
WA_RECPOIRENEWAL02_STR-DRNWOPTACT_02 sy-vline 
WA_RECPOIRENEWAL02_STR-JRNWDCTINP_02 sy-vline 
WA_RECPOIRENEWAL02_STR-XRNWINFTXT_02 sy-vline 
WA_RECPOIRENEWAL02_STR-SRNWSOURCE_02 sy-vline 
WA_RECPOIRENEWAL02_STR-XSRNWSOURCE_02 sy-vline      INTO ld_text SEPARATED BY SPACE.

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