ABAP Select data from SAP table P22_FORM_KENRYOU into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P22_FORM_KENRYOU 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 P22_FORM_KENRYOU. 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 P22_FORM_KENRYOU 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_P22_FORM_KENRYOU TYPE STANDARD TABLE OF P22_FORM_KENRYOU,
      WA_P22_FORM_KENRYOU TYPE P22_FORM_KENRYOU,
      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: <P22_FORM_KENRYOU> TYPE P22_FORM_KENRYOU.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P22_FORM_KENRYOU.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P22_FORM_KENRYOU
  INTO TABLE IT_P22_FORM_KENRYOU.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P22_FORM_KENRYOU
*  INTO TABLE @DATA(IT_P22_FORM_KENRYOU2).
*--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_P22_FORM_KENRYOU INDEX 1 INTO DATA(WA_P22_FORM_KENRYOU2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P22_FORM_KENRYOU ASSIGNING <P22_FORM_KENRYOU>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P22_FORM_KENRYOU>-LI_INTAB1 = 1.
<P22_FORM_KENRYOU>-LI_INTAB2 = 1.
<P22_FORM_KENRYOU>-LI_INTAB3 = 1.
<P22_FORM_KENRYOU>-PERNR = 1.
<P22_FORM_KENRYOU>-CADDR = 1.

ENDLOOP.

LOOP AT IT_P22_FORM_KENRYOU INTO WA_P22_FORM_KENRYOU.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P22_FORM_KENRYOU-EADDR, sy-vline,
  WA_P22_FORM_KENRYOU-CNAME, sy-vline,
  WA_P22_FORM_KENRYOU-ENAME, sy-vline,
  WA_P22_FORM_KENRYOU-ENAMK, sy-vline,
  WA_P22_FORM_KENRYOU-FNAME, sy-vline,
  WA_P22_FORM_KENRYOU-FNAMK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P22_FORM_KENRYOU 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_P22_FORM_KENRYOU 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_P22_FORM_KENRYOU INTO WA_P22_FORM_KENRYOU.


*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_P22_FORM_KENRYOU_STR, 
LI_INTAB1 TYPE STRING,
LI_INTAB2 TYPE STRING,
LI_INTAB3 TYPE STRING,
PERNR TYPE STRING,
CADDR TYPE STRING,
EADDR TYPE STRING,
CNAME TYPE STRING,
ENAME TYPE STRING,
ENAMK TYPE STRING,
FNAME TYPE STRING,
FNAMK TYPE STRING,
ORGIN TYPE STRING,
O_YEAR TYPE STRING,
CLTOT TYPE STRING,
CLDED TYPE STRING,
PPTOT TYPE STRING,
PPDED TYPE STRING,
LADED TYPE STRING,
SATOT TYPE STRING,
LATOT TYPE STRING,
SADED TYPE STRING,
ACDED TYPE STRING,
SPINC TYPE STRING,
SPDED TYPE STRING,
LPDED TYPE STRING,
NLTOT TYPE STRING,
NLDED TYPE STRING,
TLDED TYPE STRING,
NOLDD TYPE STRING,
NPTOT TYPE STRING,
NPDED TYPE STRING,
TPDED TYPE STRING,
NOPDD TYPE STRING,
NSTOT TYPE STRING,
NSDED TYPE STRING,
TODED TYPE STRING,
LI_INTAB4 TYPE STRING,
S_ADDR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P22_FORM_KENRYOU_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_P22_FORM_KENRYOU_STR-LI_INTAB1 sy-vline 
WA_P22_FORM_KENRYOU_STR-LI_INTAB2 sy-vline 
WA_P22_FORM_KENRYOU_STR-LI_INTAB3 sy-vline 
WA_P22_FORM_KENRYOU_STR-PERNR sy-vline 
WA_P22_FORM_KENRYOU_STR-CADDR sy-vline 
WA_P22_FORM_KENRYOU_STR-EADDR sy-vline 
WA_P22_FORM_KENRYOU_STR-CNAME sy-vline 
WA_P22_FORM_KENRYOU_STR-ENAME sy-vline 
WA_P22_FORM_KENRYOU_STR-ENAMK sy-vline 
WA_P22_FORM_KENRYOU_STR-FNAME sy-vline 
WA_P22_FORM_KENRYOU_STR-FNAMK sy-vline 
WA_P22_FORM_KENRYOU_STR-ORGIN sy-vline 
WA_P22_FORM_KENRYOU_STR-O_YEAR sy-vline 
WA_P22_FORM_KENRYOU_STR-CLTOT sy-vline 
WA_P22_FORM_KENRYOU_STR-CLDED sy-vline 
WA_P22_FORM_KENRYOU_STR-PPTOT sy-vline 
WA_P22_FORM_KENRYOU_STR-PPDED sy-vline 
WA_P22_FORM_KENRYOU_STR-LADED sy-vline 
WA_P22_FORM_KENRYOU_STR-SATOT sy-vline 
WA_P22_FORM_KENRYOU_STR-LATOT sy-vline 
WA_P22_FORM_KENRYOU_STR-SADED sy-vline 
WA_P22_FORM_KENRYOU_STR-ACDED sy-vline 
WA_P22_FORM_KENRYOU_STR-SPINC sy-vline 
WA_P22_FORM_KENRYOU_STR-SPDED sy-vline 
WA_P22_FORM_KENRYOU_STR-LPDED sy-vline 
WA_P22_FORM_KENRYOU_STR-NLTOT sy-vline 
WA_P22_FORM_KENRYOU_STR-NLDED sy-vline 
WA_P22_FORM_KENRYOU_STR-TLDED sy-vline 
WA_P22_FORM_KENRYOU_STR-NOLDD sy-vline 
WA_P22_FORM_KENRYOU_STR-NPTOT sy-vline 
WA_P22_FORM_KENRYOU_STR-NPDED sy-vline 
WA_P22_FORM_KENRYOU_STR-TPDED sy-vline 
WA_P22_FORM_KENRYOU_STR-NOPDD sy-vline 
WA_P22_FORM_KENRYOU_STR-NSTOT sy-vline 
WA_P22_FORM_KENRYOU_STR-NSDED sy-vline 
WA_P22_FORM_KENRYOU_STR-TODED sy-vline 
WA_P22_FORM_KENRYOU_STR-LI_INTAB4 sy-vline 
WA_P22_FORM_KENRYOU_STR-S_ADDR sy-vline      INTO ld_text SEPARATED BY SPACE.

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