ABAP Select data from SAP table EHCSMS_SPC_VAL_TXT_TYPE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHCSMS_SPC_VAL_TXT_TYPE
*  INTO TABLE @DATA(IT_EHCSMS_SPC_VAL_TXT_TYPE2).
*--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_EHCSMS_SPC_VAL_TXT_TYPE INDEX 1 INTO DATA(WA_EHCSMS_SPC_VAL_TXT_TYPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHCSMS_SPC_VAL_TXT_TYPE>-MANDT = 1.
<EHCSMS_SPC_VAL_TXT_TYPE>-TEXTCAT = 1.
<EHCSMS_SPC_VAL_TXT_TYPE>-TEXTCNT = 1.
<EHCSMS_SPC_VAL_TXT_TYPE>-CHDPFLG = 1.
<EHCSMS_SPC_VAL_TXT_TYPE>-FDOCFLG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHCSMS_SPC_VAL_TXT_TYPE-DTTRG, sy-vline,
  WA_EHCSMS_SPC_VAL_TXT_TYPE-DMSDOKAR, sy-vline,
  WA_EHCSMS_SPC_VAL_TXT_TYPE-LANGU, sy-vline,
  WA_EHCSMS_SPC_VAL_TXT_TYPE-TEXTNAM, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_EHCSMS_SPC_VAL_TXT_TYPE 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_EHCSMS_SPC_VAL_TXT_TYPE 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_EHCSMS_SPC_VAL_TXT_TYPE INTO WA_EHCSMS_SPC_VAL_TXT_TYPE.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_EHCSMS_SPC_VAL_TXT_TYPE-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHCSMS_SPC_VAL_TXT_TYPE-LANGU.
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_EHCSMS_SPC_VAL_TXT_TYPE_STR, 
MANDT TYPE STRING,
TEXTCAT TYPE STRING,
TEXTCNT TYPE STRING,
CHDPFLG TYPE STRING,
FDOCFLG TYPE STRING,
DTTRG TYPE STRING,
DMSDOKAR TYPE STRING,
LANGU TYPE STRING,
TEXTNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHCSMS_SPC_VAL_TXT_TYPE_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_EHCSMS_SPC_VAL_TXT_TYPE_STR-MANDT sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-TEXTCAT sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-TEXTCNT sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-CHDPFLG sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-FDOCFLG sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-DTTRG sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-DMSDOKAR sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-LANGU sy-vline 
WA_EHCSMS_SPC_VAL_TXT_TYPE_STR-TEXTNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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