ABAP Select data from SAP table /SYCLOU/MD_EVBS_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SYCLOU/MD_EVBS_STR 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 /SYCLOU/MD_EVBS_STR. 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 /SYCLOU/MD_EVBS_STR 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_/SYCLOU/MD_EVBS_STR TYPE STANDARD TABLE OF /SYCLOU/MD_EVBS_STR,
      WA_/SYCLOU/MD_EVBS_STR TYPE /SYCLOU/MD_EVBS_STR,
      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: </SYCLOU/MD_EVBS_STR> TYPE /SYCLOU/MD_EVBS_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SYCLOU/MD_EVBS_STR
  INTO TABLE IT_/SYCLOU/MD_EVBS_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SYCLOU/MD_EVBS_STR
*  INTO TABLE @DATA(IT_/SYCLOU/MD_EVBS_STR2).
*--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_/SYCLOU/MD_EVBS_STR INDEX 1 INTO DATA(WA_/SYCLOU/MD_EVBS_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SYCLOU/MD_EVBS_STR ASSIGNING </SYCLOU/MD_EVBS_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SYCLOU/MD_EVBS_STR>-MANDT = 1.
</SYCLOU/MD_EVBS_STR>-VSTELLE = 1.
</SYCLOU/MD_EVBS_STR>-HAUS = 1.
</SYCLOU/MD_EVBS_STR>-STR_ERG2 = 1.
</SYCLOU/MD_EVBS_STR>-HAUS_NUM2 = 1.

ENDLOOP.

LOOP AT IT_/SYCLOU/MD_EVBS_STR INTO WA_/SYCLOU/MD_EVBS_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SYCLOU/MD_EVBS_STR-TXTLANGU, sy-vline,
  WA_/SYCLOU/MD_EVBS_STR-LGZUSATZ, sy-vline,
  WA_/SYCLOU/MD_EVBS_STR-VBSART, sy-vline,
  WA_/SYCLOU/MD_EVBS_STR-EIGENT, sy-vline,
  WA_/SYCLOU/MD_EVBS_STR-OBJNR, sy-vline,
  WA_/SYCLOU/MD_EVBS_STR-TPLNUMMER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SYCLOU/MD_EVBS_STR 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_/SYCLOU/MD_EVBS_STR 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_/SYCLOU/MD_EVBS_STR INTO WA_/SYCLOU/MD_EVBS_STR.


*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 VSTELLE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EVBS_STR-VSTELLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EVBS_STR-VSTELLE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field HAUS
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EVBS_STR-HAUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EVBS_STR-HAUS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field TXTLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EVBS_STR-TXTLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EVBS_STR-TXTLANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TPLNR, internal->external for field TPLNUMMER
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLOU/MD_EVBS_STR-TPLNUMMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLOU/MD_EVBS_STR-TPLNUMMER.
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_/SYCLOU/MD_EVBS_STR_STR, 
MANDT TYPE STRING,
VSTELLE TYPE STRING,
HAUS TYPE STRING,
STR_ERG2 TYPE STRING,
HAUS_NUM2 TYPE STRING,
TXTLANGU TYPE STRING,
LGZUSATZ TYPE STRING,
VBSART TYPE STRING,
EIGENT TYPE STRING,
OBJNR TYPE STRING,
TPLNUMMER TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
ANZPERS TYPE STRING,
FLOOR TYPE STRING,
ROOMNUMBER TYPE STRING,
HPTWHNSITZ TYPE STRING,
STR_ERG4 TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
TITLE_MEDI TYPE STRING,
TEL_NUMBER TYPE STRING,
TEL_EXTENS TYPE STRING,
FAX_NUMBER TYPE STRING,
FAX_EXTENS TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SYCLOU/MD_EVBS_STR_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_/SYCLOU/MD_EVBS_STR_STR-MANDT sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-VSTELLE sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-HAUS sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-STR_ERG2 sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-HAUS_NUM2 sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-TXTLANGU sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-LGZUSATZ sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-VBSART sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-EIGENT sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-OBJNR sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-TPLNUMMER sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-ERDAT sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-ERNAM sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-AEDAT sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-AENAM sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-BEGRU sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-LOEVM sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-ANZPERS sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-FLOOR sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-ROOMNUMBER sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-HPTWHNSITZ sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-STR_ERG4 sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-NAME_LAST sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-NAME_FIRST sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-TITLE_MEDI sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-TEL_NUMBER sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-TEL_EXTENS sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-FAX_NUMBER sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-FAX_EXTENS sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-BU_SORT1 sy-vline 
WA_/SYCLOU/MD_EVBS_STR_STR-BU_SORT2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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