ABAP Select data from SAP table RJVTMCP_WEADR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJVTMCP_WEADR
*  INTO TABLE @DATA(IT_RJVTMCP_WEADR2).
*--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_RJVTMCP_WEADR INDEX 1 INTO DATA(WA_RJVTMCP_WEADR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJVTMCP_WEADR>-MANDT = 1.
<RJVTMCP_WEADR>-PUBLICATION = 1.
<RJVTMCP_WEADR>-EDITION = 1.
<RJVTMCP_WEADR>-PUBLDATE = 1.
<RJVTMCP_WEADR>-BEZIRK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJVTMCP_WEADR-GEOEIN, sy-vline,
  WA_RJVTMCP_WEADR-HH_GP, sy-vline,
  WA_RJVTMCP_WEADR-HH_ADR, sy-vline,
  WA_RJVTMCP_WEADR-WE_ADR, sy-vline,
  WA_RJVTMCP_WEADR-XFINISHED, sy-vline,
  WA_RJVTMCP_WEADR-XMANUALLY_CLOSED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJVTMCP_WEADR 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_RJVTMCP_WEADR 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_RJVTMCP_WEADR INTO WA_RJVTMCP_WEADR.


*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 PUBLICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJVTMCP_WEADR-PUBLICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJVTMCP_WEADR-PUBLICATION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field WE_ADR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJVTMCP_WEADR-WE_ADR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJVTMCP_WEADR-WE_ADR.
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_RJVTMCP_WEADR_STR, 
MANDT TYPE STRING,
PUBLICATION TYPE STRING,
EDITION TYPE STRING,
PUBLDATE TYPE STRING,
BEZIRK TYPE STRING,
GEOEIN TYPE STRING,
HH_GP TYPE STRING,
HH_ADR TYPE STRING,
WE_ADR TYPE STRING,
XFINISHED TYPE STRING,
XMANUALLY_CLOSED TYPE STRING,
EXCL_TYPE TYPE STRING,
XTMCP_DELIVERY TYPE STRING,
SEQ_NR_LAST TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJVTMCP_WEADR_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_RJVTMCP_WEADR_STR-MANDT sy-vline 
WA_RJVTMCP_WEADR_STR-PUBLICATION sy-vline 
WA_RJVTMCP_WEADR_STR-EDITION sy-vline 
WA_RJVTMCP_WEADR_STR-PUBLDATE sy-vline 
WA_RJVTMCP_WEADR_STR-BEZIRK sy-vline 
WA_RJVTMCP_WEADR_STR-GEOEIN sy-vline 
WA_RJVTMCP_WEADR_STR-HH_GP sy-vline 
WA_RJVTMCP_WEADR_STR-HH_ADR sy-vline 
WA_RJVTMCP_WEADR_STR-WE_ADR sy-vline 
WA_RJVTMCP_WEADR_STR-XFINISHED sy-vline 
WA_RJVTMCP_WEADR_STR-XMANUALLY_CLOSED sy-vline 
WA_RJVTMCP_WEADR_STR-EXCL_TYPE sy-vline 
WA_RJVTMCP_WEADR_STR-XTMCP_DELIVERY sy-vline 
WA_RJVTMCP_WEADR_STR-SEQ_NR_LAST sy-vline 
WA_RJVTMCP_WEADR_STR-ERFUSER sy-vline 
WA_RJVTMCP_WEADR_STR-ERFDATE sy-vline 
WA_RJVTMCP_WEADR_STR-ERFTIME sy-vline 
WA_RJVTMCP_WEADR_STR-AENUSER sy-vline 
WA_RJVTMCP_WEADR_STR-AENDATE sy-vline 
WA_RJVTMCP_WEADR_STR-AENTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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