ABAP Select data from SAP table IDWTS_J_1H_CERT2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IDWTS_J_1H_CERT2 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 IDWTS_J_1H_CERT2. 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 IDWTS_J_1H_CERT2 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_IDWTS_J_1H_CERT2 TYPE STANDARD TABLE OF IDWTS_J_1H_CERT2,
      WA_IDWTS_J_1H_CERT2 TYPE IDWTS_J_1H_CERT2,
      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: <IDWTS_J_1H_CERT2> TYPE IDWTS_J_1H_CERT2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IDWTS_J_1H_CERT2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IDWTS_J_1H_CERT2
  INTO TABLE IT_IDWTS_J_1H_CERT2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDWTS_J_1H_CERT2
*  INTO TABLE @DATA(IT_IDWTS_J_1H_CERT22).
*--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_IDWTS_J_1H_CERT2 INDEX 1 INTO DATA(WA_IDWTS_J_1H_CERT22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IDWTS_J_1H_CERT2 ASSIGNING <IDWTS_J_1H_CERT2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDWTS_J_1H_CERT2>-PAYER_HOUSE_NUM1 = 1.
<IDWTS_J_1H_CERT2>-PAYER_HOUSE_NUM2 = 1.
<IDWTS_J_1H_CERT2>-PAYER_STREET = 1.
<IDWTS_J_1H_CERT2>-STR_SUPPL1 = 1.
<IDWTS_J_1H_CERT2>-STR_SUPPL2 = 1.

ENDLOOP.

LOOP AT IT_IDWTS_J_1H_CERT2 INTO WA_IDWTS_J_1H_CERT2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDWTS_J_1H_CERT2-PAYER_CITY1, sy-vline,
  WA_IDWTS_J_1H_CERT2-PAYER_CITY2, sy-vline,
  WA_IDWTS_J_1H_CERT2-PAYER_COUNTRY, sy-vline,
  WA_IDWTS_J_1H_CERT2-POST_CODE1, sy-vline,
  WA_IDWTS_J_1H_CERT2-POST_CODE2, sy-vline,
  WA_IDWTS_J_1H_CERT2-STCEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDWTS_J_1H_CERT2 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_IDWTS_J_1H_CERT2 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_IDWTS_J_1H_CERT2 INTO WA_IDWTS_J_1H_CERT2.


*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 AC152, internal->external for field PARTA_SUM_QBSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTA_SUM_QBSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTA_SUM_QBSHH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PARTA_SUM_QSSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTA_SUM_QSSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTA_SUM_QSSHH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PARTA_TOT_QBSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTA_TOT_QBSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTA_TOT_QBSHH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PARTB_SUM_QBSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTB_SUM_QBSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTB_SUM_QBSHH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PARTB_SUM_QSSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTB_SUM_QSSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTB_SUM_QSSHH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PARTB_TOT_QBSHH
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTS_J_1H_CERT2-PARTB_TOT_QBSHH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTS_J_1H_CERT2-PARTB_TOT_QBSHH.
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_IDWTS_J_1H_CERT2_STR, 
PAYER_HOUSE_NUM1 TYPE STRING,
PAYER_HOUSE_NUM2 TYPE STRING,
PAYER_STREET TYPE STRING,
STR_SUPPL1 TYPE STRING,
STR_SUPPL2 TYPE STRING,
PAYER_CITY1 TYPE STRING,
PAYER_CITY2 TYPE STRING,
PAYER_COUNTRY TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
STCEG TYPE STRING,
PAYER_NAME1 TYPE STRING,
PAYER_NAME2 TYPE STRING,
PAYER_NAME3 TYPE STRING,
PAYER_NAME4 TYPE STRING,
PARTA_TITLE TYPE STRING,
PARTA_PATNR_NAME1 TYPE STRING,
PARTA_PATNR_NAME2 TYPE STRING,
PARTA_PATNR_NAME3 TYPE STRING,
PARTA_PATNR_NAME4 TYPE STRING,
PARTA_PATNR_HOUSE_NUM1 TYPE STRING,
PARTA_PATNR_HOUSE_NUM2 TYPE STRING,
PARTA_PATNR_STREET TYPE STRING,
PARTA_PATNR_CITY1 TYPE STRING,
PARTA_PATNR_COUNTRY TYPE STRING,
PARTB_TITLE TYPE STRING,
PARTB_PATNR_NAME1 TYPE STRING,
PARTB_PATNR_NAME2 TYPE STRING,
PARTB_PATNR_NAME3 TYPE STRING,
PARTB_PATNR_NAME4 TYPE STRING,
PARTB_PATNR_HOUSE_NUM1 TYPE STRING,
PARTB_PATNR_HOUSE_NUM2 TYPE STRING,
PARTB_PATNR_STREET TYPE STRING,
PARTB_PATNR_CITY1 TYPE STRING,
PARTB_PATNR_COUNTRY TYPE STRING,
WT_ISSDT_DAY TYPE STRING,
WT_ISSDT_YEAR TYPE STRING,
PARTA_BUDAT_YEAR TYPE STRING,
PARTA_BUDAT_MONTH TYPE STRING,
PARTA_BUDAT_DAY TYPE STRING,
PARTB_BUDAT_YEAR TYPE STRING,
PARTB_BUDAT_MONTH TYPE STRING,
PARTB_BUDAT_DAY TYPE STRING,
PARTA_WORD TYPE STRING,
PARTA_DECWORD TYPE STRING,
PARTB_WORD TYPE STRING,
PARTB_DECWORD TYPE STRING,
X0 TYPE STRING,
X1 TYPE STRING,
X11 TYPE STRING,
X12 TYPE STRING,
X13 TYPE STRING,
X14 TYPE STRING,
X16 TYPE STRING,
X17 TYPE STRING,
X18 TYPE STRING,
X19 TYPE STRING,
X110 TYPE STRING,
X111 TYPE STRING,
X15 TYPE STRING,
Y0 TYPE STRING,
Y1 TYPE STRING,
PARTA_SUM_QBSHH TYPE STRING,
PARTA_SUM_QSSHH TYPE STRING,
PARTA_TOT_QBSHH TYPE STRING,
PARTB_SUM_QBSHH TYPE STRING,
PARTB_SUM_QSSHH TYPE STRING,
PARTB_TOT_QBSHH TYPE STRING,
TEST_WAERS TYPE STRING,
LTX TYPE STRING,
QEKAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDWTS_J_1H_CERT2_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_IDWTS_J_1H_CERT2_STR-PAYER_HOUSE_NUM1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_HOUSE_NUM2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_STREET sy-vline 
WA_IDWTS_J_1H_CERT2_STR-STR_SUPPL1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-STR_SUPPL2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_CITY1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_CITY2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_COUNTRY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-POST_CODE1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-POST_CODE2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-STCEG sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_NAME1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_NAME2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_NAME3 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PAYER_NAME4 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_TITLE sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_NAME1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_NAME2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_NAME3 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_NAME4 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_HOUSE_NUM1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_HOUSE_NUM2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_STREET sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_CITY1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_PATNR_COUNTRY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_TITLE sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_NAME1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_NAME2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_NAME3 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_NAME4 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_HOUSE_NUM1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_HOUSE_NUM2 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_STREET sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_CITY1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_PATNR_COUNTRY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-WT_ISSDT_DAY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-WT_ISSDT_YEAR sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_BUDAT_YEAR sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_BUDAT_MONTH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_BUDAT_DAY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_BUDAT_YEAR sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_BUDAT_MONTH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_BUDAT_DAY sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_WORD sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_DECWORD sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_WORD sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_DECWORD sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X0 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X11 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X12 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X13 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X14 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X16 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X17 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X18 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X19 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X110 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X111 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-X15 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-Y0 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-Y1 sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_SUM_QBSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_SUM_QSSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTA_TOT_QBSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_SUM_QBSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_SUM_QSSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-PARTB_TOT_QBSHH sy-vline 
WA_IDWTS_J_1H_CERT2_STR-TEST_WAERS sy-vline 
WA_IDWTS_J_1H_CERT2_STR-LTX sy-vline 
WA_IDWTS_J_1H_CERT2_STR-QEKAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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