ABAP Select data from SAP table REXCSKTAXRET_H into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REXCSKTAXRET_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 REXCSKTAXRET_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 REXCSKTAXRET_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_REXCSKTAXRET_H TYPE STANDARD TABLE OF REXCSKTAXRET_H,
      WA_REXCSKTAXRET_H TYPE REXCSKTAXRET_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: <REXCSKTAXRET_H> TYPE REXCSKTAXRET_H.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCSKTAXRET_H
*  INTO TABLE @DATA(IT_REXCSKTAXRET_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_REXCSKTAXRET_H INDEX 1 INTO DATA(WA_REXCSKTAXRET_H2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCSKTAXRET_H>-X_GJAHR = 1.
<REXCSKTAXRET_H>-X_DATEFROM = 1.
<REXCSKTAXRET_H>-X_ICO = 1.
<REXCSKTAXRET_H>-X_DATETO = 1.
<REXCSKTAXRET_H>-X_DIC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCSKTAXRET_H-X_AUCTION, sy-vline,
  WA_REXCSKTAXRET_H-X_NAME, sy-vline,
  WA_REXCSKTAXRET_H-X_TRNORMAL, sy-vline,
  WA_REXCSKTAXRET_H-X_PFORMA, sy-vline,
  WA_REXCSKTAXRET_H-X_TRPART, sy-vline,
  WA_REXCSKTAXRET_H-X_ULICE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCSKTAXRET_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_REXCSKTAXRET_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_REXCSKTAXRET_H INTO WA_REXCSKTAXRET_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.

*Conversion exit GJAHR, internal->external for field X_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REXCSKTAXRET_H-X_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCSKTAXRET_H-X_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field X_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REXCSKTAXRET_H-X_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCSKTAXRET_H-X_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field X_C_EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_REXCSKTAXRET_H-X_C_EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCSKTAXRET_H-X_C_EMAIL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field OO_C_EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_REXCSKTAXRET_H-OO_C_EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCSKTAXRET_H-OO_C_EMAIL.
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_REXCSKTAXRET_H_STR, 
X_GJAHR TYPE STRING,
X_DATEFROM TYPE STRING,
X_ICO TYPE STRING,
X_DATETO TYPE STRING,
X_DIC TYPE STRING,
X_AUCTION TYPE STRING,
X_NAME TYPE STRING,
X_TRNORMAL TYPE STRING,
X_PFORMA TYPE STRING,
X_TRPART TYPE STRING,
X_ULICE TYPE STRING,
X_TRPARTEXT TYPE STRING,
X_CISLOP TYPE STRING,
X_TRCORR TYPE STRING,
X_PSC TYPE STRING,
X_TRADD TYPE STRING,
X_OBEC TYPE STRING,
X_GJAHR TYPE STRING,
X_ICO TYPE STRING,
X_STAT TYPE STRING,
X_DIC TYPE STRING,
X_C_TELEF TYPE STRING,
X_NAME TYPE STRING,
X_C_FAXU TYPE STRING,
X_PFORMA TYPE STRING,
OO_FIRSTNAME TYPE STRING,
X_ULICE TYPE STRING,
OO_LASTNAME TYPE STRING,
OO_TITLE TYPE STRING,
X_CISLOP TYPE STRING,
X_PSC TYPE STRING,
OO_VZTAHPO TYPE STRING,
X_OBEC TYPE STRING,
OO_OBEC TYPE STRING,
X_STAT TYPE STRING,
OO_ULICE TYPE STRING,
OO_CISLOP TYPE STRING,
X_C_TELEF TYPE STRING,
OO_PSC TYPE STRING,
X_C_FAXU TYPE STRING,
OO_STAT TYPE STRING,
X_C_EMAIL TYPE STRING,
OO_C_TELEF TYPE STRING,
OO_FIRSTNAME TYPE STRING,
OO_C_FAXU TYPE STRING,
OO_LASTNAME TYPE STRING,
X_BANKA TYPE STRING,
OO_TITLE TYPE STRING,
X_BANKL TYPE STRING,
OO_VZTAHPO TYPE STRING,
OO_OBEC TYPE STRING,
X_BANKN TYPE STRING,
OO_ULICE TYPE STRING,
P_DANUHR TYPE STRING,
P_COUNT TYPE STRING,
OO_CISLOP TYPE STRING,
OO_PSC TYPE STRING,
B_DANUHR TYPE STRING,
B_COUNT TYPE STRING,
OO_STAT TYPE STRING,
F_DANUHR TYPE STRING,
OO_C_TELEF TYPE STRING,
F_COUNT TYPE STRING,
OO_C_FAXU TYPE STRING,
DANSUM TYPE STRING,
OO_C_EMAIL TYPE STRING,
X_BANKA TYPE STRING,
DANSUM_Z TYPE STRING,
DANROZ TYPE STRING,
X_BANKL TYPE STRING,
X_BANKN TYPE STRING,
TAXTOTAL TYPE STRING,
WAERS TYPE STRING,
P_DANUHR TYPE STRING,
PPRILOH TYPE STRING,
P_COUNT TYPE STRING,
B_DANUHR TYPE STRING,
DATVYPOCTU TYPE STRING,
B_COUNT TYPE STRING,
CASVYPOCTU TYPE STRING,
F_DANUHR TYPE STRING,
STAVYPOCTU TYPE STRING,
F_COUNT TYPE STRING,
USERVYPOCTU TYPE STRING,
DANSUM TYPE STRING,
LOG_HNDL TYPE STRING,
DANSUM_Z TYPE STRING,
DANROZ TYPE STRING,
TAXTOTAL TYPE STRING,
WAERS TYPE STRING,
P_PPRILOH TYPE STRING,
B_PPRILOH TYPE STRING,
F_PPRILOH TYPE STRING,
PPRILOH TYPE STRING,
CREASTAT TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
DATVYPOCTU TYPE STRING,
CASVYPOCTU TYPE STRING,
STAVYPOCTU TYPE STRING,
USERVYPOCTU TYPE STRING,
LOG_HNDL TYPE STRING,
LOCK_TR TYPE STRING,
DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCSKTAXRET_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_REXCSKTAXRET_H_STR-X_GJAHR sy-vline 
WA_REXCSKTAXRET_H_STR-X_DATEFROM sy-vline 
WA_REXCSKTAXRET_H_STR-X_ICO sy-vline 
WA_REXCSKTAXRET_H_STR-X_DATETO sy-vline 
WA_REXCSKTAXRET_H_STR-X_DIC sy-vline 
WA_REXCSKTAXRET_H_STR-X_AUCTION sy-vline 
WA_REXCSKTAXRET_H_STR-X_NAME sy-vline 
WA_REXCSKTAXRET_H_STR-X_TRNORMAL sy-vline 
WA_REXCSKTAXRET_H_STR-X_PFORMA sy-vline 
WA_REXCSKTAXRET_H_STR-X_TRPART sy-vline 
WA_REXCSKTAXRET_H_STR-X_ULICE sy-vline 
WA_REXCSKTAXRET_H_STR-X_TRPARTEXT sy-vline 
WA_REXCSKTAXRET_H_STR-X_CISLOP sy-vline 
WA_REXCSKTAXRET_H_STR-X_TRCORR sy-vline 
WA_REXCSKTAXRET_H_STR-X_PSC sy-vline 
WA_REXCSKTAXRET_H_STR-X_TRADD sy-vline 
WA_REXCSKTAXRET_H_STR-X_OBEC sy-vline 
WA_REXCSKTAXRET_H_STR-X_GJAHR sy-vline 
WA_REXCSKTAXRET_H_STR-X_ICO sy-vline 
WA_REXCSKTAXRET_H_STR-X_STAT sy-vline 
WA_REXCSKTAXRET_H_STR-X_DIC sy-vline 
WA_REXCSKTAXRET_H_STR-X_C_TELEF sy-vline 
WA_REXCSKTAXRET_H_STR-X_NAME sy-vline 
WA_REXCSKTAXRET_H_STR-X_C_FAXU sy-vline 
WA_REXCSKTAXRET_H_STR-X_PFORMA sy-vline 
WA_REXCSKTAXRET_H_STR-OO_FIRSTNAME sy-vline 
WA_REXCSKTAXRET_H_STR-X_ULICE sy-vline 
WA_REXCSKTAXRET_H_STR-OO_LASTNAME sy-vline 
WA_REXCSKTAXRET_H_STR-OO_TITLE sy-vline 
WA_REXCSKTAXRET_H_STR-X_CISLOP sy-vline 
WA_REXCSKTAXRET_H_STR-X_PSC sy-vline 
WA_REXCSKTAXRET_H_STR-OO_VZTAHPO sy-vline 
WA_REXCSKTAXRET_H_STR-X_OBEC sy-vline 
WA_REXCSKTAXRET_H_STR-OO_OBEC sy-vline 
WA_REXCSKTAXRET_H_STR-X_STAT sy-vline 
WA_REXCSKTAXRET_H_STR-OO_ULICE sy-vline 
WA_REXCSKTAXRET_H_STR-OO_CISLOP sy-vline 
WA_REXCSKTAXRET_H_STR-X_C_TELEF sy-vline 
WA_REXCSKTAXRET_H_STR-OO_PSC sy-vline 
WA_REXCSKTAXRET_H_STR-X_C_FAXU sy-vline 
WA_REXCSKTAXRET_H_STR-OO_STAT sy-vline 
WA_REXCSKTAXRET_H_STR-X_C_EMAIL sy-vline 
WA_REXCSKTAXRET_H_STR-OO_C_TELEF sy-vline 
WA_REXCSKTAXRET_H_STR-OO_FIRSTNAME sy-vline 
WA_REXCSKTAXRET_H_STR-OO_C_FAXU sy-vline 
WA_REXCSKTAXRET_H_STR-OO_LASTNAME sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKA sy-vline 
WA_REXCSKTAXRET_H_STR-OO_TITLE sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKL sy-vline 
WA_REXCSKTAXRET_H_STR-OO_VZTAHPO sy-vline 
WA_REXCSKTAXRET_H_STR-OO_OBEC sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKN sy-vline 
WA_REXCSKTAXRET_H_STR-OO_ULICE sy-vline 
WA_REXCSKTAXRET_H_STR-P_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-P_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-OO_CISLOP sy-vline 
WA_REXCSKTAXRET_H_STR-OO_PSC sy-vline 
WA_REXCSKTAXRET_H_STR-B_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-B_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-OO_STAT sy-vline 
WA_REXCSKTAXRET_H_STR-F_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-OO_C_TELEF sy-vline 
WA_REXCSKTAXRET_H_STR-F_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-OO_C_FAXU sy-vline 
WA_REXCSKTAXRET_H_STR-DANSUM sy-vline 
WA_REXCSKTAXRET_H_STR-OO_C_EMAIL sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKA sy-vline 
WA_REXCSKTAXRET_H_STR-DANSUM_Z sy-vline 
WA_REXCSKTAXRET_H_STR-DANROZ sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKL sy-vline 
WA_REXCSKTAXRET_H_STR-X_BANKN sy-vline 
WA_REXCSKTAXRET_H_STR-TAXTOTAL sy-vline 
WA_REXCSKTAXRET_H_STR-WAERS sy-vline 
WA_REXCSKTAXRET_H_STR-P_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-PPRILOH sy-vline 
WA_REXCSKTAXRET_H_STR-P_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-B_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-DATVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-B_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-CASVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-F_DANUHR sy-vline 
WA_REXCSKTAXRET_H_STR-STAVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-F_COUNT sy-vline 
WA_REXCSKTAXRET_H_STR-USERVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-DANSUM sy-vline 
WA_REXCSKTAXRET_H_STR-LOG_HNDL sy-vline 
WA_REXCSKTAXRET_H_STR-DANSUM_Z sy-vline 
WA_REXCSKTAXRET_H_STR-DANROZ sy-vline 
WA_REXCSKTAXRET_H_STR-TAXTOTAL sy-vline 
WA_REXCSKTAXRET_H_STR-WAERS sy-vline 
WA_REXCSKTAXRET_H_STR-P_PPRILOH sy-vline 
WA_REXCSKTAXRET_H_STR-B_PPRILOH sy-vline 
WA_REXCSKTAXRET_H_STR-F_PPRILOH sy-vline 
WA_REXCSKTAXRET_H_STR-PPRILOH sy-vline 
WA_REXCSKTAXRET_H_STR-CREASTAT sy-vline 
WA_REXCSKTAXRET_H_STR-RERF sy-vline 
WA_REXCSKTAXRET_H_STR-DERF sy-vline 
WA_REXCSKTAXRET_H_STR-TERF sy-vline 
WA_REXCSKTAXRET_H_STR-REHER sy-vline 
WA_REXCSKTAXRET_H_STR-RBEAR sy-vline 
WA_REXCSKTAXRET_H_STR-DBEAR sy-vline 
WA_REXCSKTAXRET_H_STR-TBEAR sy-vline 
WA_REXCSKTAXRET_H_STR-RBHER sy-vline 
WA_REXCSKTAXRET_H_STR-DATVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-CASVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-STAVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-USERVYPOCTU sy-vline 
WA_REXCSKTAXRET_H_STR-LOG_HNDL sy-vline 
WA_REXCSKTAXRET_H_STR-LOCK_TR sy-vline 
WA_REXCSKTAXRET_H_STR-DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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