ABAP Select data from SAP table PJP_FORM_SANTEI_WRITE_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PJP_FORM_SANTEI_WRITE_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 PJP_FORM_SANTEI_WRITE_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 PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_H TYPE STANDARD TABLE OF PJP_FORM_SANTEI_WRITE_H,
      WA_PJP_FORM_SANTEI_WRITE_H TYPE PJP_FORM_SANTEI_WRITE_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: <PJP_FORM_SANTEI_WRITE_H> TYPE PJP_FORM_SANTEI_WRITE_H.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJP_FORM_SANTEI_WRITE_H
*  INTO TABLE @DATA(IT_PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_H INDEX 1 INTO DATA(WA_PJP_FORM_SANTEI_WRITE_H2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PJP_FORM_SANTEI_WRITE_H>-ADDRESS1 = 1.
<PJP_FORM_SANTEI_WRITE_H>-ADDRESS2 = 1.
<PJP_FORM_SANTEI_WRITE_H>-ADDRESS3 = 1.
<PJP_FORM_SANTEI_WRITE_H>-ADDRESS4 = 1.
<PJP_FORM_SANTEI_WRITE_H>-JGNPR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJP_FORM_SANTEI_WRITE_H-JGSNM, sy-vline,
  WA_PJP_FORM_SANTEI_WRITE_H-PSTLZ, sy-vline,
  WA_PJP_FORM_SANTEI_WRITE_H-SCICA, sy-vline,
  WA_PJP_FORM_SANTEI_WRITE_H-SCICC1, sy-vline,
  WA_PJP_FORM_SANTEI_WRITE_H-SCICC2, sy-vline,
  WA_PJP_FORM_SANTEI_WRITE_H-SCICC3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_H INTO WA_PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_H_STR, 
ADDRESS1 TYPE STRING,
ADDRESS2 TYPE STRING,
ADDRESS3 TYPE STRING,
ADDRESS4 TYPE STRING,
JGNPR TYPE STRING,
JGSNM TYPE STRING,
PSTLZ TYPE STRING,
SCICA TYPE STRING,
SCICC1 TYPE STRING,
SCICC2 TYPE STRING,
SCICC3 TYPE STRING,
SCICC4 TYPE STRING,
SCIHI1 TYPE STRING,
SCIHI2 TYPE STRING,
SCIHI3 TYPE STRING,
SCIHI4 TYPE STRING,
TELNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJP_FORM_SANTEI_WRITE_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_PJP_FORM_SANTEI_WRITE_H_STR-ADDRESS1 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-ADDRESS2 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-ADDRESS3 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-ADDRESS4 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-JGNPR sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-JGSNM sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-PSTLZ sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCICA sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCICC1 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCICC2 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCICC3 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCICC4 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCIHI1 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCIHI2 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCIHI3 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-SCIHI4 sy-vline 
WA_PJP_FORM_SANTEI_WRITE_H_STR-TELNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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