ABAP Select data from SAP table PTDBAB_SKBASIS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTDBAB_SKBASIS
*  INTO TABLE @DATA(IT_PTDBAB_SKBASIS2).
*--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_PTDBAB_SKBASIS INDEX 1 INTO DATA(WA_PTDBAB_SKBASIS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTDBAB_SKBASIS>-SKENN = 1.
<PTDBAB_SKBASIS>-RZNR = 1.
<PTDBAB_SKBASIS>-RZSOKA = 1.
<PTDBAB_SKBASIS>-BTRNR = 1.
<PTDBAB_SKBASIS>-ABZEIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTDBAB_SKBASIS-NN1, sy-vline,
  WA_PTDBAB_SKBASIS-ERZEIT, sy-vline,
  WA_PTDBAB_SKBASIS-VERSION, sy-vline,
  WA_PTDBAB_SKBASIS-NN2, sy-vline,
  WA_PTDBAB_SKBASIS-ZVKAN, sy-vline,
  WA_PTDBAB_SKBASIS-SKPERNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTDBAB_SKBASIS 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_PTDBAB_SKBASIS 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_PTDBAB_SKBASIS INTO WA_PTDBAB_SKBASIS.


*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.

*Conversion exit PDATE, internal->external for field GEBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PTDBAB_SKBASIS-GEBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTDBAB_SKBASIS-GEBDAT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PTDBAB_SKBASIS_STR, 
SKENN TYPE STRING,
RZNR TYPE STRING,
RZSOKA TYPE STRING,
BTRNR TYPE STRING,
ABZEIT TYPE STRING,
NN1 TYPE STRING,
ERZEIT TYPE STRING,
VERSION TYPE STRING,
NN2 TYPE STRING,
ZVKAN TYPE STRING,
SKPERNR TYPE STRING,
NAME TYPE STRING,
VORNAME TYPE STRING,
SCHWB TYPE STRING,
GEBDAT TYPE STRING,
MZEITBEG TYPE STRING,
MZEITEND TYPE STRING,
WAEHRS TYPE STRING,
BTAGE TYPE STRING,
AUSSTD TYPE STRING,
AUSBTRG TYPE STRING,
BRUTTO TYPE STRING,
JUGEND TYPE STRING,
AUSLERNJAHR TYPE STRING,
U_REST TYPE STRING,
U_REST_BTRG TYPE STRING,
U_REST_GE TYPE STRING,
U_REST_GE_BTRG TYPE STRING,
U_REST_S TYPE STRING,
U_REST_S_BTRG TYPE STRING,
U_LFD TYPE STRING,
U_LFD_BTRG TYPE STRING,
U_LFD_GE TYPE STRING,
U_LFD_GE_BTRG TYPE STRING,
U_GES_S TYPE STRING,
U_GES_S_BTRG TYPE STRING,
M_JAN TYPE STRING,
M_FEB TYPE STRING,
M_MAR TYPE STRING,
M_APR TYPE STRING,
M_MAI TYPE STRING,
M_JUN TYPE STRING,
M_JUL TYPE STRING,
M_AUG TYPE STRING,
M_SEP TYPE STRING,
M_OKT TYPE STRING,
M_NOV TYPE STRING,
M_DEZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTDBAB_SKBASIS_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_PTDBAB_SKBASIS_STR-SKENN sy-vline 
WA_PTDBAB_SKBASIS_STR-RZNR sy-vline 
WA_PTDBAB_SKBASIS_STR-RZSOKA sy-vline 
WA_PTDBAB_SKBASIS_STR-BTRNR sy-vline 
WA_PTDBAB_SKBASIS_STR-ABZEIT sy-vline 
WA_PTDBAB_SKBASIS_STR-NN1 sy-vline 
WA_PTDBAB_SKBASIS_STR-ERZEIT sy-vline 
WA_PTDBAB_SKBASIS_STR-VERSION sy-vline 
WA_PTDBAB_SKBASIS_STR-NN2 sy-vline 
WA_PTDBAB_SKBASIS_STR-ZVKAN sy-vline 
WA_PTDBAB_SKBASIS_STR-SKPERNR sy-vline 
WA_PTDBAB_SKBASIS_STR-NAME sy-vline 
WA_PTDBAB_SKBASIS_STR-VORNAME sy-vline 
WA_PTDBAB_SKBASIS_STR-SCHWB sy-vline 
WA_PTDBAB_SKBASIS_STR-GEBDAT sy-vline 
WA_PTDBAB_SKBASIS_STR-MZEITBEG sy-vline 
WA_PTDBAB_SKBASIS_STR-MZEITEND sy-vline 
WA_PTDBAB_SKBASIS_STR-WAEHRS sy-vline 
WA_PTDBAB_SKBASIS_STR-BTAGE sy-vline 
WA_PTDBAB_SKBASIS_STR-AUSSTD sy-vline 
WA_PTDBAB_SKBASIS_STR-AUSBTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-BRUTTO sy-vline 
WA_PTDBAB_SKBASIS_STR-JUGEND sy-vline 
WA_PTDBAB_SKBASIS_STR-AUSLERNJAHR sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST_GE sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST_GE_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST_S sy-vline 
WA_PTDBAB_SKBASIS_STR-U_REST_S_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-U_LFD sy-vline 
WA_PTDBAB_SKBASIS_STR-U_LFD_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-U_LFD_GE sy-vline 
WA_PTDBAB_SKBASIS_STR-U_LFD_GE_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-U_GES_S sy-vline 
WA_PTDBAB_SKBASIS_STR-U_GES_S_BTRG sy-vline 
WA_PTDBAB_SKBASIS_STR-M_JAN sy-vline 
WA_PTDBAB_SKBASIS_STR-M_FEB sy-vline 
WA_PTDBAB_SKBASIS_STR-M_MAR sy-vline 
WA_PTDBAB_SKBASIS_STR-M_APR sy-vline 
WA_PTDBAB_SKBASIS_STR-M_MAI sy-vline 
WA_PTDBAB_SKBASIS_STR-M_JUN sy-vline 
WA_PTDBAB_SKBASIS_STR-M_JUL sy-vline 
WA_PTDBAB_SKBASIS_STR-M_AUG sy-vline 
WA_PTDBAB_SKBASIS_STR-M_SEP sy-vline 
WA_PTDBAB_SKBASIS_STR-M_OKT sy-vline 
WA_PTDBAB_SKBASIS_STR-M_NOV sy-vline 
WA_PTDBAB_SKBASIS_STR-M_DEZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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