ABAP Select data from SAP table EWASPREMISE_BO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EWASPREMISE_BO
*  INTO TABLE @DATA(IT_EWASPREMISE_BO2).
*--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_EWASPREMISE_BO INDEX 1 INTO DATA(WA_EWASPREMISE_BO2).


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

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

ENDLOOP.

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

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


*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_EWASPREMISE_BO-VSTELLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWASPREMISE_BO-VSTELLE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field OBJECTADDRESS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EWASPREMISE_BO-OBJECTADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EWASPREMISE_BO-OBJECTADDRESS.
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_EWASPREMISE_BO_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,
OBJECTADDRESS TYPE STRING,
ADDRESS_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EWASPREMISE_BO_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_EWASPREMISE_BO_STR-MANDT sy-vline 
WA_EWASPREMISE_BO_STR-VSTELLE sy-vline 
WA_EWASPREMISE_BO_STR-HAUS sy-vline 
WA_EWASPREMISE_BO_STR-STR_ERG2 sy-vline 
WA_EWASPREMISE_BO_STR-HAUS_NUM2 sy-vline 
WA_EWASPREMISE_BO_STR-TXTLANGU sy-vline 
WA_EWASPREMISE_BO_STR-LGZUSATZ sy-vline 
WA_EWASPREMISE_BO_STR-VBSART sy-vline 
WA_EWASPREMISE_BO_STR-EIGENT sy-vline 
WA_EWASPREMISE_BO_STR-OBJNR sy-vline 
WA_EWASPREMISE_BO_STR-TPLNUMMER sy-vline 
WA_EWASPREMISE_BO_STR-ERDAT sy-vline 
WA_EWASPREMISE_BO_STR-ERNAM sy-vline 
WA_EWASPREMISE_BO_STR-AEDAT sy-vline 
WA_EWASPREMISE_BO_STR-AENAM sy-vline 
WA_EWASPREMISE_BO_STR-BEGRU sy-vline 
WA_EWASPREMISE_BO_STR-LOEVM sy-vline 
WA_EWASPREMISE_BO_STR-ANZPERS sy-vline 
WA_EWASPREMISE_BO_STR-FLOOR sy-vline 
WA_EWASPREMISE_BO_STR-ROOMNUMBER sy-vline 
WA_EWASPREMISE_BO_STR-HPTWHNSITZ sy-vline 
WA_EWASPREMISE_BO_STR-STR_ERG4 sy-vline 
WA_EWASPREMISE_BO_STR-OBJECTADDRESS sy-vline 
WA_EWASPREMISE_BO_STR-ADDRESS_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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