ABAP Select data from SAP table PJP_RTI_DAT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PJP_RTI_DAT 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_RTI_DAT. 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_RTI_DAT 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_RTI_DAT TYPE STANDARD TABLE OF PJP_RTI_DAT,
      WA_PJP_RTI_DAT TYPE PJP_RTI_DAT,
      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_RTI_DAT> TYPE PJP_RTI_DAT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJP_RTI_DAT
*  INTO TABLE @DATA(IT_PJP_RTI_DAT2).
*--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_RTI_DAT INDEX 1 INTO DATA(WA_PJP_RTI_DAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PJP_RTI_DAT>-CLCNR = 1.
<PJP_RTI_DAT>-TASNO = 1.
<PJP_RTI_DAT>-SUBVC = 1.
<PJP_RTI_DAT>-PASNO = 1.
<PJP_RTI_DAT>-ADDR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJP_RTI_DAT-NAME, sy-vline,
  WA_PJP_RTI_DAT-KANA, sy-vline,
  WA_PJP_RTI_DAT-INDNR, sy-vline,
  WA_PJP_RTI_DAT-ANTAX, sy-vline,
  WA_PJP_RTI_DAT-MOT06, sy-vline,
  WA_PJP_RTI_DAT-MOT07, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PJP_RTI_DAT 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_RTI_DAT 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_RTI_DAT INTO WA_PJP_RTI_DAT.


*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_RTI_DAT_STR, 
CLCNR TYPE STRING,
TASNO TYPE STRING,
SUBVC TYPE STRING,
PASNO TYPE STRING,
ADDR TYPE STRING,
NAME TYPE STRING,
KANA TYPE STRING,
INDNR TYPE STRING,
ANTAX TYPE STRING,
MOT06 TYPE STRING,
MOT07 TYPE STRING,
MOT08 TYPE STRING,
MOT09 TYPE STRING,
MOT10 TYPE STRING,
MOT11 TYPE STRING,
MOT12 TYPE STRING,
MOT01 TYPE STRING,
MOT02 TYPE STRING,
MOT03 TYPE STRING,
MOT04 TYPE STRING,
MOT05 TYPE STRING,
CHMON TYPE STRING,
REMRK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJP_RTI_DAT_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_RTI_DAT_STR-CLCNR sy-vline 
WA_PJP_RTI_DAT_STR-TASNO sy-vline 
WA_PJP_RTI_DAT_STR-SUBVC sy-vline 
WA_PJP_RTI_DAT_STR-PASNO sy-vline 
WA_PJP_RTI_DAT_STR-ADDR sy-vline 
WA_PJP_RTI_DAT_STR-NAME sy-vline 
WA_PJP_RTI_DAT_STR-KANA sy-vline 
WA_PJP_RTI_DAT_STR-INDNR sy-vline 
WA_PJP_RTI_DAT_STR-ANTAX sy-vline 
WA_PJP_RTI_DAT_STR-MOT06 sy-vline 
WA_PJP_RTI_DAT_STR-MOT07 sy-vline 
WA_PJP_RTI_DAT_STR-MOT08 sy-vline 
WA_PJP_RTI_DAT_STR-MOT09 sy-vline 
WA_PJP_RTI_DAT_STR-MOT10 sy-vline 
WA_PJP_RTI_DAT_STR-MOT11 sy-vline 
WA_PJP_RTI_DAT_STR-MOT12 sy-vline 
WA_PJP_RTI_DAT_STR-MOT01 sy-vline 
WA_PJP_RTI_DAT_STR-MOT02 sy-vline 
WA_PJP_RTI_DAT_STR-MOT03 sy-vline 
WA_PJP_RTI_DAT_STR-MOT04 sy-vline 
WA_PJP_RTI_DAT_STR-MOT05 sy-vline 
WA_PJP_RTI_DAT_STR-CHMON sy-vline 
WA_PJP_RTI_DAT_STR-REMRK sy-vline      INTO ld_text SEPARATED BY SPACE.

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