ABAP Select data from SAP table CPET_PRICEQUOT_UNIT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPET_PRICEQUOT_UNIT 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_PRICEQUOT_UNIT. 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_PRICEQUOT_UNIT 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_PRICEQUOT_UNIT TYPE STANDARD TABLE OF CPET_PRICEQUOT_UNIT,
      WA_CPET_PRICEQUOT_UNIT TYPE CPET_PRICEQUOT_UNIT,
      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_PRICEQUOT_UNIT> TYPE CPET_PRICEQUOT_UNIT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPET_PRICEQUOT_UNIT
*  INTO TABLE @DATA(IT_CPET_PRICEQUOT_UNIT2).
*--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_PRICEQUOT_UNIT INDEX 1 INTO DATA(WA_CPET_PRICEQUOT_UNIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPET_PRICEQUOT_UNIT>-DCSID = 1.
<CPET_PRICEQUOT_UNIT>-MIC = 1.
<CPET_PRICEQUOT_UNIT>-TENOR = 1.
<CPET_PRICEQUOT_UNIT>-PRICETYPE = 1.
<CPET_PRICEQUOT_UNIT>-TIMING = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPET_PRICEQUOT_UNIT-KEYDATE, sy-vline,
  WA_CPET_PRICEQUOT_UNIT-PRICEDATE, sy-vline,
  WA_CPET_PRICEQUOT_UNIT-PRICETIME, sy-vline,
  WA_CPET_PRICEQUOT_UNIT-VALIDFROM, sy-vline,
  WA_CPET_PRICEQUOT_UNIT-PRICEQUOT, sy-vline,
  WA_CPET_PRICEQUOT_UNIT-QUOTCURR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPET_PRICEQUOT_UNIT 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_PRICEQUOT_UNIT 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_PRICEQUOT_UNIT INTO WA_CPET_PRICEQUOT_UNIT.


*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 CUNIT, internal->external for field QUOTUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CPET_PRICEQUOT_UNIT-QUOTUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_PRICEQUOT_UNIT-QUOTUOM.
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_PRICEQUOT_UNIT_STR, 
DCSID TYPE STRING,
MIC TYPE STRING,
TENOR TYPE STRING,
PRICETYPE TYPE STRING,
TIMING TYPE STRING,
KEYDATE TYPE STRING,
PRICEDATE TYPE STRING,
PRICETIME TYPE STRING,
VALIDFROM TYPE STRING,
PRICEQUOT TYPE STRING,
QUOTCURR TYPE STRING,
QUOTPRUN TYPE STRING,
QUOTUOM TYPE STRING,
PRICEQUOT_DF34 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPET_PRICEQUOT_UNIT_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_PRICEQUOT_UNIT_STR-DCSID sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-MIC sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-TENOR sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-PRICETYPE sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-TIMING sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-KEYDATE sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-PRICEDATE sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-PRICETIME sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-VALIDFROM sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-PRICEQUOT sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-QUOTCURR sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-QUOTPRUN sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-QUOTUOM sy-vline 
WA_CPET_PRICEQUOT_UNIT_STR-PRICEQUOT_DF34 sy-vline      INTO ld_text SEPARATED BY SPACE.

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