ABAP Select data from SAP table RECPOIRENEWAL04 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RECPOIRENEWAL04 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 RECPOIRENEWAL04. 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 RECPOIRENEWAL04 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_RECPOIRENEWAL04 TYPE STANDARD TABLE OF RECPOIRENEWAL04,
      WA_RECPOIRENEWAL04 TYPE RECPOIRENEWAL04,
      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: <RECPOIRENEWAL04> TYPE RECPOIRENEWAL04.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RECPOIRENEWAL04.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RECPOIRENEWAL04
  INTO TABLE IT_RECPOIRENEWAL04.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECPOIRENEWAL04
*  INTO TABLE @DATA(IT_RECPOIRENEWAL042).
*--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_RECPOIRENEWAL04 INDEX 1 INTO DATA(WA_RECPOIRENEWAL042).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RECPOIRENEWAL04 ASSIGNING <RECPOIRENEWAL04>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECPOIRENEWAL04>-SRNWLFDNUM_04 = 1.
<RECPOIRENEWAL04>-NRNWSORTNB_04 = 1.
<RECPOIRENEWAL04>-SRNWOPTION_04 = 1.
<RECPOIRENEWAL04>-NRNWJHR_04 = 1.
<RECPOIRENEWAL04>-NRNWMON_04 = 1.

ENDLOOP.

LOOP AT IT_RECPOIRENEWAL04 INTO WA_RECPOIRENEWAL04.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECPOIRENEWAL04-NRNWTAG_04, sy-vline,
  WA_RECPOIRENEWAL04-SRNWDAYRND_04, sy-vline,
  WA_RECPOIRENEWAL04-NAMTJHR_04, sy-vline,
  WA_RECPOIRENEWAL04-NAMTMON_04, sy-vline,
  WA_RECPOIRENEWAL04-NAMTTAG_04, sy-vline,
  WA_RECPOIRENEWAL04-SAMTDAYRND_04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECPOIRENEWAL04 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_RECPOIRENEWAL04 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_RECPOIRENEWAL04 INTO WA_RECPOIRENEWAL04.


*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_RECPOIRENEWAL04_STR, 
SRNWLFDNUM_04 TYPE STRING,
NRNWSORTNB_04 TYPE STRING,
SRNWOPTION_04 TYPE STRING,
NRNWJHR_04 TYPE STRING,
NRNWMON_04 TYPE STRING,
NRNWTAG_04 TYPE STRING,
SRNWDAYRND_04 TYPE STRING,
NAMTJHR_04 TYPE STRING,
NAMTMON_04 TYPE STRING,
NAMTTAG_04 TYPE STRING,
SAMTDAYRND_04 TYPE STRING,
DRNWDATE_04 TYPE STRING,
DAMTDATE_04 TYPE STRING,
DRNWACCOWN_04 TYPE STRING,
DRNWACCPAR_04 TYPE STRING,
DRNWOPTACT_04 TYPE STRING,
JRNWDCTINP_04 TYPE STRING,
XRNWINFTXT_04 TYPE STRING,
SRNWSOURCE_04 TYPE STRING,
XSRNWSOURCE_04 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECPOIRENEWAL04_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_RECPOIRENEWAL04_STR-SRNWLFDNUM_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NRNWSORTNB_04 sy-vline 
WA_RECPOIRENEWAL04_STR-SRNWOPTION_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NRNWJHR_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NRNWMON_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NRNWTAG_04 sy-vline 
WA_RECPOIRENEWAL04_STR-SRNWDAYRND_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NAMTJHR_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NAMTMON_04 sy-vline 
WA_RECPOIRENEWAL04_STR-NAMTTAG_04 sy-vline 
WA_RECPOIRENEWAL04_STR-SAMTDAYRND_04 sy-vline 
WA_RECPOIRENEWAL04_STR-DRNWDATE_04 sy-vline 
WA_RECPOIRENEWAL04_STR-DAMTDATE_04 sy-vline 
WA_RECPOIRENEWAL04_STR-DRNWACCOWN_04 sy-vline 
WA_RECPOIRENEWAL04_STR-DRNWACCPAR_04 sy-vline 
WA_RECPOIRENEWAL04_STR-DRNWOPTACT_04 sy-vline 
WA_RECPOIRENEWAL04_STR-JRNWDCTINP_04 sy-vline 
WA_RECPOIRENEWAL04_STR-XRNWINFTXT_04 sy-vline 
WA_RECPOIRENEWAL04_STR-SRNWSOURCE_04 sy-vline 
WA_RECPOIRENEWAL04_STR-XSRNWSOURCE_04 sy-vline      INTO ld_text SEPARATED BY SPACE.

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