ABAP Select data from SAP table PRX_TADIR_CHECK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRX_TADIR_CHECK
*  INTO TABLE @DATA(IT_PRX_TADIR_CHECK2).
*--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_PRX_TADIR_CHECK INDEX 1 INTO DATA(WA_PRX_TADIR_CHECK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRX_TADIR_CHECK>-ICON = 1.
<PRX_TADIR_CHECK>-OBJECT = 1.
<PRX_TADIR_CHECK>-OBJ_NAME = 1.
<PRX_TADIR_CHECK>-TYPE = 1.
<PRX_TADIR_CHECK>-NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRX_TADIR_CHECK-NAMESPACE, sy-vline,
  WA_PRX_TADIR_CHECK-DEVCLASS, sy-vline,
  WA_PRX_TADIR_CHECK-AUTHOR, sy-vline,
  WA_PRX_TADIR_CHECK-LOGS, sy-vline,
  WA_PRX_TADIR_CHECK-MSGTY, sy-vline,
  WA_PRX_TADIR_CHECK-MSGID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRX_TADIR_CHECK 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_PRX_TADIR_CHECK 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_PRX_TADIR_CHECK INTO WA_PRX_TADIR_CHECK.


*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_PRX_TADIR_CHECK_STR, 
ICON TYPE STRING,
OBJECT TYPE STRING,
OBJ_NAME TYPE STRING,
TYPE TYPE STRING,
NAME TYPE STRING,
NAMESPACE TYPE STRING,
DEVCLASS TYPE STRING,
AUTHOR TYPE STRING,
LOGS TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRX_TADIR_CHECK_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_PRX_TADIR_CHECK_STR-ICON sy-vline 
WA_PRX_TADIR_CHECK_STR-OBJECT sy-vline 
WA_PRX_TADIR_CHECK_STR-OBJ_NAME sy-vline 
WA_PRX_TADIR_CHECK_STR-TYPE sy-vline 
WA_PRX_TADIR_CHECK_STR-NAME sy-vline 
WA_PRX_TADIR_CHECK_STR-NAMESPACE sy-vline 
WA_PRX_TADIR_CHECK_STR-DEVCLASS sy-vline 
WA_PRX_TADIR_CHECK_STR-AUTHOR sy-vline 
WA_PRX_TADIR_CHECK_STR-LOGS sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGTY sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGID sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGNO sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGV1 sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGV2 sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGV3 sy-vline 
WA_PRX_TADIR_CHECK_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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