ABAP Select data from SAP table CHSSFSITXTBLCK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CHSSFSITXTBLCK
*  INTO TABLE @DATA(IT_CHSSFSITXTBLCK2).
*--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_CHSSFSITXTBLCK INDEX 1 INTO DATA(WA_CHSSFSITXTBLCK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CHSSFSITXTBLCK>-MANDT = 1.
<CHSSFSITXTBLCK>-SAFETYINSTRUCTIONTEMPLATEUUID = 1.
<CHSSFSITXTBLCK>-SAFETYINSTRUCTIONCHAPTERTYPE = 1.
<CHSSFSITXTBLCK>-SAFETYINSTRUCTIONTEMPLATETEXT = 1.
<CHSSFSITXTBLCK>-LANGUAGE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CHSSFSITXTBLCK-LANGUAGENAME, sy-vline,
  WA_CHSSFSITXTBLCK-FACTORYEHSLOCATIONUUID, sy-vline,
  WA_CHSSFSITXTBLCK-EHSLOCATIONNAME, sy-vline,
  WA_CHSSFSITXTBLCK-SAFETYINSTRUCTIONTEMPLATETYPE, sy-vline,
  WA_CHSSFSITXTBLCK-CREATEDBYUSER, sy-vline,
  WA_CHSSFSITXTBLCK-CREATEDBYUSERDESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CHSSFSITXTBLCK 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_CHSSFSITXTBLCK 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_CHSSFSITXTBLCK INTO WA_CHSSFSITXTBLCK.


*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 LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_CHSSFSITXTBLCK-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CHSSFSITXTBLCK-LANGUAGE.
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_CHSSFSITXTBLCK_STR, 
MANDT TYPE STRING,
SAFETYINSTRUCTIONTEMPLATEUUID TYPE STRING,
SAFETYINSTRUCTIONCHAPTERTYPE TYPE STRING,
SAFETYINSTRUCTIONTEMPLATETEXT TYPE STRING,
LANGUAGE TYPE STRING,
LANGUAGENAME TYPE STRING,
FACTORYEHSLOCATIONUUID TYPE STRING,
EHSLOCATIONNAME TYPE STRING,
SAFETYINSTRUCTIONTEMPLATETYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATEDBYUSERDESCRIPTION TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
SAFETYINSTRUCTIONTYPE TYPE STRING,
SAFETYINSTRUCTIONSUBTYPE TYPE STRING,
LASTCHANGEDBYUSERDESCRIPTION TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CHSSFSITXTBLCK_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_CHSSFSITXTBLCK_STR-MANDT sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONTEMPLATEUUID sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONCHAPTERTYPE sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONTEMPLATETEXT sy-vline 
WA_CHSSFSITXTBLCK_STR-LANGUAGE sy-vline 
WA_CHSSFSITXTBLCK_STR-LANGUAGENAME sy-vline 
WA_CHSSFSITXTBLCK_STR-FACTORYEHSLOCATIONUUID sy-vline 
WA_CHSSFSITXTBLCK_STR-EHSLOCATIONNAME sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONTEMPLATETYPE sy-vline 
WA_CHSSFSITXTBLCK_STR-CREATEDBYUSER sy-vline 
WA_CHSSFSITXTBLCK_STR-CREATEDBYUSERDESCRIPTION sy-vline 
WA_CHSSFSITXTBLCK_STR-CREATIONUTCDATETIME sy-vline 
WA_CHSSFSITXTBLCK_STR-LASTCHANGEDBYUSER sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONTYPE sy-vline 
WA_CHSSFSITXTBLCK_STR-SAFETYINSTRUCTIONSUBTYPE sy-vline 
WA_CHSSFSITXTBLCK_STR-LASTCHANGEDBYUSERDESCRIPTION sy-vline 
WA_CHSSFSITXTBLCK_STR-LASTCHANGEUTCDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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