ABAP Select data from SAP table T5TREG2005 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5TREG2005 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 T5TREG2005. 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 T5TREG2005 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_T5TREG2005 TYPE STANDARD TABLE OF T5TREG2005,
      WA_T5TREG2005 TYPE T5TREG2005,
      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: <T5TREG2005> TYPE T5TREG2005.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5TREG2005.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5TREG2005
  INTO TABLE IT_T5TREG2005.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5TREG2005
*  INTO TABLE @DATA(IT_T5TREG20052).
*--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_T5TREG2005 INDEX 1 INTO DATA(WA_T5TREG20052).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5TREG2005 ASSIGNING <T5TREG2005>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5TREG2005>-PREGI = 1.
<T5TREG2005>-PERNR = 1.
<T5TREG2005>-HPERNR = 1.
<T5TREG2005>-REGION = 1.
<T5TREG2005>-ACTION = 1.

ENDLOOP.

LOOP AT IT_T5TREG2005 INTO WA_T5TREG2005.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5TREG2005-DATRE, sy-vline,
  WA_T5TREG2005-DAOPR, sy-vline,
  WA_T5TREG2005-PERID, sy-vline,
  WA_T5TREG2005-NACHN, sy-vline,
  WA_T5TREG2005-NACHN_ALL, sy-vline,
  WA_T5TREG2005-VORNA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5TREG2005 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_T5TREG2005 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_T5TREG2005 INTO WA_T5TREG2005.


*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 GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_T5TREG2005-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T5TREG2005-GBDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PCZFY, internal->external for field YEARE
CALL FUNCTION 'CONVERSION_EXIT_PCZFY_OUTPUT'
  EXPORTING
    input =                      WA_T5TREG2005-YEARE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T5TREG2005-YEARE.
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_T5TREG2005_STR, 
PREGI TYPE STRING,
PERNR TYPE STRING,
HPERNR TYPE STRING,
REGION TYPE STRING,
ACTION TYPE STRING,
DATRE TYPE STRING,
DAOPR TYPE STRING,
PERID TYPE STRING,
NACHN TYPE STRING,
NACHN_ALL TYPE STRING,
VORNA TYPE STRING,
TITEL TYPE STRING,
GBDAT TYPE STRING,
BORNA TYPE STRING,
GBORT TYPE STRING,
GENDER TYPE STRING,
CNDTN TYPE STRING,
NATIO TYPE STRING,
ANZKD TYPE STRING,
STRAS TYPE STRING,
HSNMR TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
LAND1 TYPE STRING,
STRAS_CZ TYPE STRING,
HSNMR_CZ TYPE STRING,
PSTLZ_CZ TYPE STRING,
ORT01_CZ TYPE STRING,
VS TYPE STRING,
ADR_ALL TYPE STRING,
ADR_B TYPE STRING,
ADR_C TYPE STRING,
ADR_D TYPE STRING,
ADR_E TYPE STRING,
ADR_I TYPE STRING,
ADR_H TYPE STRING,
ADR_Q TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
DRVCI TYPE STRING,
LAND1_WRK TYPE STRING,
WOSTD TYPE STRING,
WKWDY TYPE STRING,
BETRG TYPE STRING,
TXT02 TYPE STRING,
STRAS_CZP TYPE STRING,
HSNMR_CZP TYPE STRING,
PSTLZ_CZP TYPE STRING,
ORT01_CZP TYPE STRING,
LAND1_CZP TYPE STRING,
MITNF TYPE STRING,
DRUHD TYPE STRING,
DATVY TYPE STRING,
POSTA TYPE STRING,
POSTA_CZ TYPE STRING,
STRAS_KA TYPE STRING,
HSNMR_KA TYPE STRING,
PSTLZ_KA TYPE STRING,
ORT01_KA TYPE STRING,
POSTA_KA TYPE STRING,
LAND1_KA TYPE STRING,
NVS TYPE STRING,
KVSPE TYPE STRING,
KVSFR TYPE STRING,
KVPHI TYPE STRING,
KVAHI TYPE STRING,
SVA09 TYPE STRING,
E101 TYPE STRING,
OKRES TYPE STRING,
YEARE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5TREG2005_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_T5TREG2005_STR-PREGI sy-vline 
WA_T5TREG2005_STR-PERNR sy-vline 
WA_T5TREG2005_STR-HPERNR sy-vline 
WA_T5TREG2005_STR-REGION sy-vline 
WA_T5TREG2005_STR-ACTION sy-vline 
WA_T5TREG2005_STR-DATRE sy-vline 
WA_T5TREG2005_STR-DAOPR sy-vline 
WA_T5TREG2005_STR-PERID sy-vline 
WA_T5TREG2005_STR-NACHN sy-vline 
WA_T5TREG2005_STR-NACHN_ALL sy-vline 
WA_T5TREG2005_STR-VORNA sy-vline 
WA_T5TREG2005_STR-TITEL sy-vline 
WA_T5TREG2005_STR-GBDAT sy-vline 
WA_T5TREG2005_STR-BORNA sy-vline 
WA_T5TREG2005_STR-GBORT sy-vline 
WA_T5TREG2005_STR-GENDER sy-vline 
WA_T5TREG2005_STR-CNDTN sy-vline 
WA_T5TREG2005_STR-NATIO sy-vline 
WA_T5TREG2005_STR-ANZKD sy-vline 
WA_T5TREG2005_STR-STRAS sy-vline 
WA_T5TREG2005_STR-HSNMR sy-vline 
WA_T5TREG2005_STR-PSTLZ sy-vline 
WA_T5TREG2005_STR-ORT01 sy-vline 
WA_T5TREG2005_STR-LAND1 sy-vline 
WA_T5TREG2005_STR-STRAS_CZ sy-vline 
WA_T5TREG2005_STR-HSNMR_CZ sy-vline 
WA_T5TREG2005_STR-PSTLZ_CZ sy-vline 
WA_T5TREG2005_STR-ORT01_CZ sy-vline 
WA_T5TREG2005_STR-VS sy-vline 
WA_T5TREG2005_STR-ADR_ALL sy-vline 
WA_T5TREG2005_STR-ADR_B sy-vline 
WA_T5TREG2005_STR-ADR_C sy-vline 
WA_T5TREG2005_STR-ADR_D sy-vline 
WA_T5TREG2005_STR-ADR_E sy-vline 
WA_T5TREG2005_STR-ADR_I sy-vline 
WA_T5TREG2005_STR-ADR_H sy-vline 
WA_T5TREG2005_STR-ADR_Q sy-vline 
WA_T5TREG2005_STR-BEGDA sy-vline 
WA_T5TREG2005_STR-ENDDA sy-vline 
WA_T5TREG2005_STR-DRVCI sy-vline 
WA_T5TREG2005_STR-LAND1_WRK sy-vline 
WA_T5TREG2005_STR-WOSTD sy-vline 
WA_T5TREG2005_STR-WKWDY sy-vline 
WA_T5TREG2005_STR-BETRG sy-vline 
WA_T5TREG2005_STR-TXT02 sy-vline 
WA_T5TREG2005_STR-STRAS_CZP sy-vline 
WA_T5TREG2005_STR-HSNMR_CZP sy-vline 
WA_T5TREG2005_STR-PSTLZ_CZP sy-vline 
WA_T5TREG2005_STR-ORT01_CZP sy-vline 
WA_T5TREG2005_STR-LAND1_CZP sy-vline 
WA_T5TREG2005_STR-MITNF sy-vline 
WA_T5TREG2005_STR-DRUHD sy-vline 
WA_T5TREG2005_STR-DATVY sy-vline 
WA_T5TREG2005_STR-POSTA sy-vline 
WA_T5TREG2005_STR-POSTA_CZ sy-vline 
WA_T5TREG2005_STR-STRAS_KA sy-vline 
WA_T5TREG2005_STR-HSNMR_KA sy-vline 
WA_T5TREG2005_STR-PSTLZ_KA sy-vline 
WA_T5TREG2005_STR-ORT01_KA sy-vline 
WA_T5TREG2005_STR-POSTA_KA sy-vline 
WA_T5TREG2005_STR-LAND1_KA sy-vline 
WA_T5TREG2005_STR-NVS sy-vline 
WA_T5TREG2005_STR-KVSPE sy-vline 
WA_T5TREG2005_STR-KVSFR sy-vline 
WA_T5TREG2005_STR-KVPHI sy-vline 
WA_T5TREG2005_STR-KVAHI sy-vline 
WA_T5TREG2005_STR-SVA09 sy-vline 
WA_T5TREG2005_STR-E101 sy-vline 
WA_T5TREG2005_STR-OKRES sy-vline 
WA_T5TREG2005_STR-YEARE sy-vline      INTO ld_text SEPARATED BY SPACE.

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