ABAP Select data from SAP table CCIHS_RASSEXPORT_TXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHS_RASSEXPORT_TXT
*  INTO TABLE @DATA(IT_CCIHS_RASSEXPORT_TXT2).
*--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_CCIHS_RASSEXPORT_TXT INDEX 1 INTO DATA(WA_CCIHS_RASSEXPORT_TXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHS_RASSEXPORT_TXT>-WAID = 1.
<CCIHS_RASSEXPORT_TXT>-WANAM = 1.
<CCIHS_RASSEXPORT_TXT>-WATYPENAM = 1.
<CCIHS_RASSEXPORT_TXT>-WASTATNAM = 1.
<CCIHS_RASSEXPORT_TXT>-AUTHNAM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHS_RASSEXPORT_TXT-RVLID, sy-vline,
  WA_CCIHS_RASSEXPORT_TXT-WAPLANTNAM, sy-vline,
  WA_CCIHS_RASSEXPORT_TXT-WACOORD, sy-vline,
  WA_CCIHS_RASSEXPORT_TXT-WACOSTAC1, sy-vline,
  WA_CCIHS_RASSEXPORT_TXT-COSTCNAM, sy-vline,
  WA_CCIHS_RASSEXPORT_TXT-WASPID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHS_RASSEXPORT_TXT 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_CCIHS_RASSEXPORT_TXT 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_CCIHS_RASSEXPORT_TXT INTO WA_CCIHS_RASSEXPORT_TXT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CCIHS_RASSEXPORT_TXT_STR, 
WAID TYPE STRING,
WANAM TYPE STRING,
WATYPENAM TYPE STRING,
WASTATNAM TYPE STRING,
AUTHNAM TYPE STRING,
RVLID TYPE STRING,
WAPLANTNAM TYPE STRING,
WACOORD TYPE STRING,
WACOSTAC1 TYPE STRING,
COSTCNAM TYPE STRING,
WASPID TYPE STRING,
WASPNAM TYPE STRING,
RISKASSETNUM TYPE STRING,
EPTYPENAM TYPE STRING,
EPID TYPE STRING,
EPNAM TYPE STRING,
ERSTATNAM TYPE STRING,
REM TYPE STRING,
OPCONDTXT TYPE STRING,
MAINRATTXT TYPE STRING,
ASSCONTRVAL TYPE STRING,
ASSCONTRDAT TYPE STRING,
ACID TYPE STRING,
ACCAT TYPE STRING,
ACTYPENAM TYPE STRING,
ACPRIO TYPE STRING,
ACPRIOTXT TYPE STRING,
ACSTATNAM TYPE STRING,
PROTECTGOALTXT TYPE STRING,
ACEFFTXT TYPE STRING,
PSTDAT TYPE STRING,
PENDDAT TYPE STRING,
DATPROC TYPE STRING,
DATCONTR TYPE STRING,
NOTINUM TYPE STRING,
ACTIONNUM TYPE STRING,
RESPFULLNAME TYPE STRING,
PROCFULLNAME TYPE STRING,
CONTRFULLNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCIHS_RASSEXPORT_TXT_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_CCIHS_RASSEXPORT_TXT_STR-WAID sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WANAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WATYPENAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WASTATNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-AUTHNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-RVLID sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WAPLANTNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WACOORD sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WACOSTAC1 sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-COSTCNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WASPID sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-WASPNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-RISKASSETNUM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-EPTYPENAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-EPID sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-EPNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ERSTATNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-REM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-OPCONDTXT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-MAINRATTXT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ASSCONTRVAL sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ASSCONTRDAT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACID sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACCAT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACTYPENAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACPRIO sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACPRIOTXT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACSTATNAM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-PROTECTGOALTXT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACEFFTXT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-PSTDAT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-PENDDAT sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-DATPROC sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-DATCONTR sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-NOTINUM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-ACTIONNUM sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-RESPFULLNAME sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-PROCFULLNAME sy-vline 
WA_CCIHS_RASSEXPORT_TXT_STR-CONTRFULLNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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