ABAP Select data from SAP table CPET_TERM_IN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPET_TERM_IN
*  INTO TABLE @DATA(IT_CPET_TERM_IN2).
*--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_CPET_TERM_IN INDEX 1 INTO DATA(WA_CPET_TERM_IN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPET_TERM_IN>-TERMTYPE = 1.
<CPET_TERM_IN>-TERMRULE = 1.
<CPET_TERM_IN>-REFDOCCAT = 1.
<CPET_TERM_IN>-REFDOC = 1.
<CPET_TERM_IN>-REFITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPET_TERM_IN-REFGUID, sy-vline,
  WA_CPET_TERM_IN-REFCOND, sy-vline,
  WA_CPET_TERM_IN-FIXTERMRATE, sy-vline,
  WA_CPET_TERM_IN-FIXTERMCURR, sy-vline,
  WA_CPET_TERM_IN-FIXTERMPRUN, sy-vline,
  WA_CPET_TERM_IN-FIXTERMUOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPET_TERM_IN 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_CPET_TERM_IN 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_CPET_TERM_IN INTO WA_CPET_TERM_IN.


*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 TERMRULE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPET_TERM_IN-TERMRULE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_TERM_IN-TERMRULE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field USERUOM1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPET_TERM_IN-USERUOM1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_TERM_IN-USERUOM1.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field QUOTATIONRULE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPET_TERM_IN-QUOTATIONRULE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_TERM_IN-QUOTATIONRULE.
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_CPET_TERM_IN_STR, 
TERMTYPE TYPE STRING,
TERMRULE TYPE STRING,
REFDOCCAT TYPE STRING,
REFDOC TYPE STRING,
REFITEM TYPE STRING,
REFGUID TYPE STRING,
REFCOND TYPE STRING,
FIXTERMRATE TYPE STRING,
FIXTERMCURR TYPE STRING,
FIXTERMPRUN TYPE STRING,
FIXTERMUOM TYPE STRING,
USERVAL1 TYPE STRING,
USERUOM1 TYPE STRING,
QUOTKEY TYPE STRING,
DCSID TYPE STRING,
MIC TYPE STRING,
TENOR TYPE STRING,
PRICETYPE TYPE STRING,
FORECAST_ROUTINE TYPE STRING,
CURVE_TYPE TYPE STRING,
CURVE_DCSID TYPE STRING,
CURVE_MIC TYPE STRING,
DCS_SELECTION_TYPE TYPE STRING,
TIMING TYPE STRING,
KEYDATE_REFDATE_ROUT TYPE STRING,
KEYDATE_SELECTION_ROUT TYPE STRING,
KEYDATE_OFFSET_ROUT TYPE STRING,
KEYDATE_OFFSET_UNITS TYPE STRING,
DCS_PERIOD_TYPE TYPE STRING,
BASIS_TYPE TYPE STRING,
QUOTGROUP TYPE STRING,
QUOTATIONRULE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPET_TERM_IN_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_CPET_TERM_IN_STR-TERMTYPE sy-vline 
WA_CPET_TERM_IN_STR-TERMRULE sy-vline 
WA_CPET_TERM_IN_STR-REFDOCCAT sy-vline 
WA_CPET_TERM_IN_STR-REFDOC sy-vline 
WA_CPET_TERM_IN_STR-REFITEM sy-vline 
WA_CPET_TERM_IN_STR-REFGUID sy-vline 
WA_CPET_TERM_IN_STR-REFCOND sy-vline 
WA_CPET_TERM_IN_STR-FIXTERMRATE sy-vline 
WA_CPET_TERM_IN_STR-FIXTERMCURR sy-vline 
WA_CPET_TERM_IN_STR-FIXTERMPRUN sy-vline 
WA_CPET_TERM_IN_STR-FIXTERMUOM sy-vline 
WA_CPET_TERM_IN_STR-USERVAL1 sy-vline 
WA_CPET_TERM_IN_STR-USERUOM1 sy-vline 
WA_CPET_TERM_IN_STR-QUOTKEY sy-vline 
WA_CPET_TERM_IN_STR-DCSID sy-vline 
WA_CPET_TERM_IN_STR-MIC sy-vline 
WA_CPET_TERM_IN_STR-TENOR sy-vline 
WA_CPET_TERM_IN_STR-PRICETYPE sy-vline 
WA_CPET_TERM_IN_STR-FORECAST_ROUTINE sy-vline 
WA_CPET_TERM_IN_STR-CURVE_TYPE sy-vline 
WA_CPET_TERM_IN_STR-CURVE_DCSID sy-vline 
WA_CPET_TERM_IN_STR-CURVE_MIC sy-vline 
WA_CPET_TERM_IN_STR-DCS_SELECTION_TYPE sy-vline 
WA_CPET_TERM_IN_STR-TIMING sy-vline 
WA_CPET_TERM_IN_STR-KEYDATE_REFDATE_ROUT sy-vline 
WA_CPET_TERM_IN_STR-KEYDATE_SELECTION_ROUT sy-vline 
WA_CPET_TERM_IN_STR-KEYDATE_OFFSET_ROUT sy-vline 
WA_CPET_TERM_IN_STR-KEYDATE_OFFSET_UNITS sy-vline 
WA_CPET_TERM_IN_STR-DCS_PERIOD_TYPE sy-vline 
WA_CPET_TERM_IN_STR-BASIS_TYPE sy-vline 
WA_CPET_TERM_IN_STR-QUOTGROUP sy-vline 
WA_CPET_TERM_IN_STR-QUOTATIONRULE sy-vline      INTO ld_text SEPARATED BY SPACE.

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