ABAP Select data from SAP table ECRM_COND_DATA_CALC2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ECRM_COND_DATA_CALC2 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 ECRM_COND_DATA_CALC2. 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 ECRM_COND_DATA_CALC2 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_ECRM_COND_DATA_CALC2 TYPE STANDARD TABLE OF ECRM_COND_DATA_CALC2,
      WA_ECRM_COND_DATA_CALC2 TYPE ECRM_COND_DATA_CALC2,
      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: <ECRM_COND_DATA_CALC2> TYPE ECRM_COND_DATA_CALC2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ECRM_COND_DATA_CALC2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ECRM_COND_DATA_CALC2
  INTO TABLE IT_ECRM_COND_DATA_CALC2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ECRM_COND_DATA_CALC2
*  INTO TABLE @DATA(IT_ECRM_COND_DATA_CALC22).
*--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_ECRM_COND_DATA_CALC2 INDEX 1 INTO DATA(WA_ECRM_COND_DATA_CALC22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ECRM_COND_DATA_CALC2 ASSIGNING <ECRM_COND_DATA_CALC2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ECRM_COND_DATA_CALC2>-KSCHL = 1.
<ECRM_COND_DATA_CALC2>-ISU_MDG_PARAM = 1.
<ECRM_COND_DATA_CALC2>-PRCT_COND = 1.
<ECRM_COND_DATA_CALC2>-CLIENT = 1.
<ECRM_COND_DATA_CALC2>-KNUMV = 1.

ENDLOOP.

LOOP AT IT_ECRM_COND_DATA_CALC2 INTO WA_ECRM_COND_DATA_CALC2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ECRM_COND_DATA_CALC2-KPOSN, sy-vline,
  WA_ECRM_COND_DATA_CALC2-STUNR, sy-vline,
  WA_ECRM_COND_DATA_CALC2-ZAEHK, sy-vline,
  WA_ECRM_COND_DATA_CALC2-KSCHL, sy-vline,
  WA_ECRM_COND_DATA_CALC2-KSTAT, sy-vline,
  WA_ECRM_COND_DATA_CALC2-KVSL1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ECRM_COND_DATA_CALC2 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_ECRM_COND_DATA_CALC2 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_ECRM_COND_DATA_CALC2 INTO WA_ECRM_COND_DATA_CALC2.


*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 EXCRT, internal->external for field KKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_ECRM_COND_DATA_CALC2-KKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRM_COND_DATA_CALC2-KKURS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ECRM_COND_DATA_CALC2-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRM_COND_DATA_CALC2-KMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ECRM_COND_DATA_CALC2-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ECRM_COND_DATA_CALC2-KONMS.
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_ECRM_COND_DATA_CALC2_STR, 
KSCHL TYPE STRING,
ISU_MDG_PARAM TYPE STRING,
PRCT_COND TYPE STRING,
CLIENT TYPE STRING,
KNUMV TYPE STRING,
KPOSN TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
KSCHL TYPE STRING,
KSTAT TYPE STRING,
KVSL1 TYPE STRING,
KVSL2 TYPE STRING,
KVEWE TYPE STRING,
KRECH TYPE STRING,
KZBZG TYPE STRING,
STFKZ TYPE STRING,
KNTYP TYPE STRING,
KGRPE TYPE STRING,
KDUPL TYPE STRING,
KRUEK TYPE STRING,
KOAID TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
KTREL TYPE STRING,
KBFLAG TYPE STRING,
DTASRC TYPE STRING,
KRELI TYPE STRING,
KOUPD TYPE STRING,
KAPPL TYPE STRING,
KAWRT TYPE STRING,
KHERK TYPE STRING,
KDIFF TYPE STRING,
KWERT TYPE STRING,
KSTEU TYPE STRING,
KINAK TYPE STRING,
ZAEKO TYPE STRING,
KFAKTOR1 TYPE STRING,
KMPRS TYPE STRING,
KWAEH TYPE STRING,
KWERT_K TYPE STRING,
KAWRT_K TYPE STRING,
KSTBS TYPE STRING,
KDATU TYPE STRING,
WAERS TYPE STRING,
KKURS TYPE STRING,
KFAKTOR TYPE STRING,
PRSQU TYPE STRING,
VARCOND TYPE STRING,
TXJLV TYPE STRING,
DTASRC2 TYPE STRING,
KNUMH TYPE STRING,
KBETR TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
EXPNT TYPE STRING,
MWSK1 TYPE STRING,
MWSK2 TYPE STRING,
KONMS TYPE STRING,
KONWS TYPE STRING,
DUMMY TYPE STRING,
KOTABNR TYPE STRING,
T_COND_RECORD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ECRM_COND_DATA_CALC2_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_ECRM_COND_DATA_CALC2_STR-KSCHL sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-ISU_MDG_PARAM sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-PRCT_COND sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-CLIENT sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KNUMV sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KPOSN sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-STUNR sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-ZAEHK sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KSCHL sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KSTAT sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KVSL1 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KVSL2 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KVEWE sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KRECH sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KZBZG sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-STFKZ sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KNTYP sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KGRPE sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KDUPL sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KRUEK sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KOAID sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KFKIV sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KVARC sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KTREL sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KBFLAG sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-DTASRC sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KRELI sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KOUPD sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KAPPL sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KAWRT sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KHERK sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KDIFF sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KWERT sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KSTEU sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KINAK sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-ZAEKO sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KFAKTOR1 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KMPRS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KWAEH sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KWERT_K sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KAWRT_K sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KSTBS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KDATU sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-WAERS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KKURS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KFAKTOR sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-PRSQU sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-VARCOND sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-TXJLV sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-DTASRC2 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KNUMH sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KBETR sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KPEIN sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KMEIN sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KUMZA sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KUMNE sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-EXPNT sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-MWSK1 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-MWSK2 sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KONMS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KONWS sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-DUMMY sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-KOTABNR sy-vline 
WA_ECRM_COND_DATA_CALC2_STR-T_COND_RECORD sy-vline      INTO ld_text SEPARATED BY SPACE.

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