ABAP Select data from SAP table CPET_ERP_RES_PARTN_FORMULA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CPET_ERP_RES_PARTN_FORMULA 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_ERP_RES_PARTN_FORMULA. 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_ERP_RES_PARTN_FORMULA 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_ERP_RES_PARTN_FORMULA TYPE STANDARD TABLE OF CPET_ERP_RES_PARTN_FORMULA,
      WA_CPET_ERP_RES_PARTN_FORMULA TYPE CPET_ERP_RES_PARTN_FORMULA,
      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_ERP_RES_PARTN_FORMULA> TYPE CPET_ERP_RES_PARTN_FORMULA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPET_ERP_RES_PARTN_FORMULA
*  INTO TABLE @DATA(IT_CPET_ERP_RES_PARTN_FORMULA2).
*--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_ERP_RES_PARTN_FORMULA INDEX 1 INTO DATA(WA_CPET_ERP_RES_PARTN_FORMULA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPET_ERP_RES_PARTN_FORMULA>-KSCHL = 1.
<CPET_ERP_RES_PARTN_FORMULA>-FORMSTATUS = 1.
<CPET_ERP_RES_PARTN_FORMULA>-EVAL_TIMESTAMP = 1.
<CPET_ERP_RES_PARTN_FORMULA>-BILLING_BLOCK = 1.
<CPET_ERP_RES_PARTN_FORMULA>-FORMRATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPET_ERP_RES_PARTN_FORMULA-FORMCURR, sy-vline,
  WA_CPET_ERP_RES_PARTN_FORMULA-FORMPRUN, sy-vline,
  WA_CPET_ERP_RES_PARTN_FORMULA-FORMUOM, sy-vline,
  WA_CPET_ERP_RES_PARTN_FORMULA-DOC_CURR, sy-vline,
  WA_CPET_ERP_RES_PARTN_FORMULA-FX_DOC_CURR, sy-vline,
  WA_CPET_ERP_RES_PARTN_FORMULA-ERR_LOG_MSG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPET_ERP_RES_PARTN_FORMULA 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_ERP_RES_PARTN_FORMULA 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_ERP_RES_PARTN_FORMULA INTO WA_CPET_ERP_RES_PARTN_FORMULA.


*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 TSTPS, internal->external for field EVAL_TIMESTAMP
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_ERP_RES_PARTN_FORMULA-EVAL_TIMESTAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_ERP_RES_PARTN_FORMULA-EVAL_TIMESTAMP.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTPS, internal->external for field QUOTPERIOD_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_ERP_RES_PARTN_FORMULA-QUOTPERIOD_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_ERP_RES_PARTN_FORMULA-QUOTPERIOD_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field QUOTPERIOD_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_ERP_RES_PARTN_FORMULA-QUOTPERIOD_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_ERP_RES_PARTN_FORMULA-QUOTPERIOD_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CURRPERIOD_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_ERP_RES_PARTN_FORMULA-CURRPERIOD_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_ERP_RES_PARTN_FORMULA-CURRPERIOD_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CURRPERIOD_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CPET_ERP_RES_PARTN_FORMULA-CURRPERIOD_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPET_ERP_RES_PARTN_FORMULA-CURRPERIOD_END.
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_ERP_RES_PARTN_FORMULA_STR, 
KSCHL TYPE STRING,
FORMSTATUS TYPE STRING,
EVAL_TIMESTAMP TYPE STRING,
BILLING_BLOCK TYPE STRING,
FORMRATE TYPE STRING,
FORMCURR TYPE STRING,
FORMPRUN TYPE STRING,
FORMUOM TYPE STRING,
DOC_CURR TYPE STRING,
FX_DOC_CURR TYPE STRING,
ERR_LOG_MSG TYPE STRING,
TERMSTATUS TYPE STRING,
PROVIS TYPE STRING,
QUOTPERIODSTATUS TYPE STRING,
QUOTPERIOD_BEGIN TYPE STRING,
QUOTPERIOD_END TYPE STRING,
CURRPERIODSTATUS TYPE STRING,
CURRPERIOD_BEGIN TYPE STRING,
CURRPERIOD_END TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPET_ERP_RES_PARTN_FORMULA_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_ERP_RES_PARTN_FORMULA_STR-KSCHL sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FORMSTATUS sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-EVAL_TIMESTAMP sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-BILLING_BLOCK sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FORMRATE sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FORMCURR sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FORMPRUN sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FORMUOM sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-DOC_CURR sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-FX_DOC_CURR sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-ERR_LOG_MSG sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-TERMSTATUS sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-PROVIS sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-QUOTPERIODSTATUS sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-QUOTPERIOD_BEGIN sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-QUOTPERIOD_END sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-CURRPERIODSTATUS sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-CURRPERIOD_BEGIN sy-vline 
WA_CPET_ERP_RES_PARTN_FORMULA_STR-CURRPERIOD_END sy-vline      INTO ld_text SEPARATED BY SPACE.

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