ABAP Select data from SAP table PWLFSMTADDINF1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PWLFSMTADDINF1 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 PWLFSMTADDINF1. 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 PWLFSMTADDINF1 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_PWLFSMTADDINF1 TYPE STANDARD TABLE OF PWLFSMTADDINF1,
      WA_PWLFSMTADDINF1 TYPE PWLFSMTADDINF1,
      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: <PWLFSMTADDINF1> TYPE PWLFSMTADDINF1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PWLFSMTADDINF1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PWLFSMTADDINF1
  INTO TABLE IT_PWLFSMTADDINF1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PWLFSMTADDINF1
*  INTO TABLE @DATA(IT_PWLFSMTADDINF12).
*--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_PWLFSMTADDINF1 INDEX 1 INTO DATA(WA_PWLFSMTADDINF12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PWLFSMTADDINF1 ASSIGNING <PWLFSMTADDINF1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PWLFSMTADDINF1>-MANDT = 1.
<PWLFSMTADDINF1>-WBELN = 1.
<PWLFSMTADDINF1>-WDTYP = 1.
<PWLFSMTADDINF1>-BUKRS = 1.
<PWLFSMTADDINF1>-BUKRS_DEB = 1.

ENDLOOP.

LOOP AT IT_PWLFSMTADDINF1 INTO WA_PWLFSMTADDINF1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PWLFSMTADDINF1-KALSM_DEB, sy-vline,
  WA_PWLFSMTADDINF1-KALSM, sy-vline,
  WA_PWLFSMTADDINF1-RELATED_COCO_NUM, sy-vline,
  WA_PWLFSMTADDINF1-RELATED_TKONN, sy-vline,
  WA_PWLFSMTADDINF1-RELATED_EBELN, sy-vline,
  WA_PWLFSMTADDINF1-RELATED_VBELN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PWLFSMTADDINF1 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_PWLFSMTADDINF1 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_PWLFSMTADDINF1 INTO WA_PWLFSMTADDINF1.


*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 ALPHA, internal->external for field WBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-WBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-WBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RELATED_COCO_NUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-RELATED_COCO_NUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-RELATED_COCO_NUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RELATED_TKONN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-RELATED_TKONN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-RELATED_TKONN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RELATED_EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-RELATED_EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-RELATED_EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RELATED_VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-RELATED_VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-RELATED_VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRDG_EXPN_SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-TRDG_EXPN_SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-TRDG_EXPN_SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRDG_EXPN_CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PWLFSMTADDINF1-TRDG_EXPN_CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PWLFSMTADDINF1-TRDG_EXPN_CUSTOMER.
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_PWLFSMTADDINF1_STR, 
MANDT TYPE STRING,
WBELN TYPE STRING,
WDTYP TYPE STRING,
BUKRS TYPE STRING,
BUKRS_DEB TYPE STRING,
KALSM_DEB TYPE STRING,
KALSM TYPE STRING,
RELATED_COCO_NUM TYPE STRING,
RELATED_TKONN TYPE STRING,
RELATED_EBELN TYPE STRING,
RELATED_VBELN TYPE STRING,
TRDG_EXPN_SUPPLIER TYPE STRING,
TRDG_EXPN_CUSTOMER TYPE STRING,
LANDTX_BUKRS_DEB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PWLFSMTADDINF1_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_PWLFSMTADDINF1_STR-MANDT sy-vline 
WA_PWLFSMTADDINF1_STR-WBELN sy-vline 
WA_PWLFSMTADDINF1_STR-WDTYP sy-vline 
WA_PWLFSMTADDINF1_STR-BUKRS sy-vline 
WA_PWLFSMTADDINF1_STR-BUKRS_DEB sy-vline 
WA_PWLFSMTADDINF1_STR-KALSM_DEB sy-vline 
WA_PWLFSMTADDINF1_STR-KALSM sy-vline 
WA_PWLFSMTADDINF1_STR-RELATED_COCO_NUM sy-vline 
WA_PWLFSMTADDINF1_STR-RELATED_TKONN sy-vline 
WA_PWLFSMTADDINF1_STR-RELATED_EBELN sy-vline 
WA_PWLFSMTADDINF1_STR-RELATED_VBELN sy-vline 
WA_PWLFSMTADDINF1_STR-TRDG_EXPN_SUPPLIER sy-vline 
WA_PWLFSMTADDINF1_STR-TRDG_EXPN_CUSTOMER sy-vline 
WA_PWLFSMTADDINF1_STR-LANDTX_BUKRS_DEB sy-vline      INTO ld_text SEPARATED BY SPACE.

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