ABAP Select data from SAP table PTRA_A_SADD_APPEND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTRA_A_SADD_APPEND
*  INTO TABLE @DATA(IT_PTRA_A_SADD_APPEND2).
*--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_PTRA_A_SADD_APPEND INDEX 1 INTO DATA(WA_PTRA_A_SADD_APPEND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTRA_A_SADD_APPEND>-N_STF = 1.
<PTRA_A_SADD_APPEND>-N_PTN = 1.
<PTRA_A_SADD_APPEND>-N_GST = 1.
<PTRA_A_SADD_APPEND>-ANZLU_DEC = 1.
<PTRA_A_SADD_APPEND>-ANZDI_DEC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTRA_A_SADD_APPEND-BOOKED_PRICE, sy-vline,
  WA_PTRA_A_SADD_APPEND-DIFF_AMOUNT, sy-vline,
  WA_PTRA_A_SADD_APPEND-DIFF_CURR, sy-vline,
  WA_PTRA_A_SADD_APPEND-REASON, sy-vline,
  WA_PTRA_A_SADD_APPEND-AIR_DEPARTURE, sy-vline,
  WA_PTRA_A_SADD_APPEND-AIR_ARRIVAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTRA_A_SADD_APPEND 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_PTRA_A_SADD_APPEND 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_PTRA_A_SADD_APPEND INTO WA_PTRA_A_SADD_APPEND.


*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_PTRA_A_SADD_APPEND_STR, 
N_STF TYPE STRING,
N_PTN TYPE STRING,
N_GST TYPE STRING,
ANZLU_DEC TYPE STRING,
ANZDI_DEC TYPE STRING,
BOOKED_PRICE TYPE STRING,
DIFF_AMOUNT TYPE STRING,
DIFF_CURR TYPE STRING,
REASON TYPE STRING,
AIR_DEPARTURE TYPE STRING,
AIR_ARRIVAL TYPE STRING,
AIRLINE TYPE STRING,
AIR_CABIN_CLASS TYPE STRING,
AIR_TIC_NUM TYPE STRING,
CAR_ODO_READ TYPE STRING,
SE_NAME TYPE STRING,
SE_STREET TYPE STRING,
SE_CITY TYPE STRING,
SE_STA_PROV TYPE STRING,
SE_COUNTRY TYPE STRING,
SE_POSTAL_CODE TYPE STRING,
SE_CUST_SER_PH TYPE STRING,
NUMBER_OF_IMAGES TYPE STRING,
IMAGE_LINK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTRA_A_SADD_APPEND_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_PTRA_A_SADD_APPEND_STR-N_STF sy-vline 
WA_PTRA_A_SADD_APPEND_STR-N_PTN sy-vline 
WA_PTRA_A_SADD_APPEND_STR-N_GST sy-vline 
WA_PTRA_A_SADD_APPEND_STR-ANZLU_DEC sy-vline 
WA_PTRA_A_SADD_APPEND_STR-ANZDI_DEC sy-vline 
WA_PTRA_A_SADD_APPEND_STR-BOOKED_PRICE sy-vline 
WA_PTRA_A_SADD_APPEND_STR-DIFF_AMOUNT sy-vline 
WA_PTRA_A_SADD_APPEND_STR-DIFF_CURR sy-vline 
WA_PTRA_A_SADD_APPEND_STR-REASON sy-vline 
WA_PTRA_A_SADD_APPEND_STR-AIR_DEPARTURE sy-vline 
WA_PTRA_A_SADD_APPEND_STR-AIR_ARRIVAL sy-vline 
WA_PTRA_A_SADD_APPEND_STR-AIRLINE sy-vline 
WA_PTRA_A_SADD_APPEND_STR-AIR_CABIN_CLASS sy-vline 
WA_PTRA_A_SADD_APPEND_STR-AIR_TIC_NUM sy-vline 
WA_PTRA_A_SADD_APPEND_STR-CAR_ODO_READ sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_NAME sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_STREET sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_CITY sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_STA_PROV sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_COUNTRY sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_POSTAL_CODE sy-vline 
WA_PTRA_A_SADD_APPEND_STR-SE_CUST_SER_PH sy-vline 
WA_PTRA_A_SADD_APPEND_STR-NUMBER_OF_IMAGES sy-vline 
WA_PTRA_A_SADD_APPEND_STR-IMAGE_LINK sy-vline      INTO ld_text SEPARATED BY SPACE.

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