ABAP Select data from SAP table PMCOEA_OP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMCOEA_OP
*  INTO TABLE @DATA(IT_PMCOEA_OP2).
*--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_PMCOEA_OP INDEX 1 INTO DATA(WA_PMCOEA_OP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMCOEA_OP>-VORNR = 1.
<PMCOEA_OP>-OBJWAER = 1.
<PMCOEA_OP>-KRKWAER = 1.
<PMCOEA_OP>-ANLWAER = 1.
<PMCOEA_OP>-OWAERD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMCOEA_OP-KWAERD, sy-vline,
  WA_PMCOEA_OP-AWAERD, sy-vline,
  WA_PMCOEA_OP-ORDERCOSTS, sy-vline,
  WA_PMCOEA_OP-ORDERWAERS, sy-vline,
  WA_PMCOEA_OP-IGESAMT, sy-vline,
  WA_PMCOEA_OP-PGESAMT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMCOEA_OP 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_PMCOEA_OP 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_PMCOEA_OP INTO WA_PMCOEA_OP.


*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 NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PMCOEA_OP-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMCOEA_OP-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMCOEA_OP-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMCOEA_OP-MEINH.
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_PMCOEA_OP_STR, 
VORNR TYPE STRING,
OBJWAER TYPE STRING,
KRKWAER TYPE STRING,
ANLWAER TYPE STRING,
OWAERD TYPE STRING,
KWAERD TYPE STRING,
AWAERD TYPE STRING,
ORDERCOSTS TYPE STRING,
ORDERWAERS TYPE STRING,
IGESAMT TYPE STRING,
PGESAMT TYPE STRING,
SGESAMT TYPE STRING,
IKOSTEN TYPE STRING,
PKOSTEN TYPE STRING,
SKOSTEN TYPE STRING,
IERTRAG TYPE STRING,
PERTRAG TYPE STRING,
SERTRAG TYPE STRING,
SELKNZ TYPE STRING,
ACPOS TYPE STRING,
KAGTX TYPE STRING,
IKOSTENKGR TYPE STRING,
PKOSTENKGR TYPE STRING,
SKOSTENKGR TYPE STRING,
IERTRAGKGR TYPE STRING,
PERTRAGKGR TYPE STRING,
SERTRAGKGR TYPE STRING,
PRFKNZ TYPE STRING,
LISKNZ TYPE STRING,
KENNZ TYPE STRING,
KNZTX TYPE STRING,
KENWRTGES TYPE STRING,
KENWRTKGR TYPE STRING,
DISP_WAERS TYPE STRING,
BEMOT TYPE STRING,
BMTTX TYPE STRING,
IMENGEN TYPE STRING,
PMENGEN TYPE STRING,
SMENGEN TYPE STRING,
MEINH TYPE STRING,
IMENGEKGR TYPE STRING,
PMENGEKGR TYPE STRING,
SMENGEKGR TYPE STRING,
IBETRAGKGR TYPE STRING,
PBETRAGKGR TYPE STRING,
SBETRAGKGR TYPE STRING,
IKOSTEN_OP TYPE STRING,
PKOSTEN_OP TYPE STRING,
SKOSTEN_OP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMCOEA_OP_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_PMCOEA_OP_STR-VORNR sy-vline 
WA_PMCOEA_OP_STR-OBJWAER sy-vline 
WA_PMCOEA_OP_STR-KRKWAER sy-vline 
WA_PMCOEA_OP_STR-ANLWAER sy-vline 
WA_PMCOEA_OP_STR-OWAERD sy-vline 
WA_PMCOEA_OP_STR-KWAERD sy-vline 
WA_PMCOEA_OP_STR-AWAERD sy-vline 
WA_PMCOEA_OP_STR-ORDERCOSTS sy-vline 
WA_PMCOEA_OP_STR-ORDERWAERS sy-vline 
WA_PMCOEA_OP_STR-IGESAMT sy-vline 
WA_PMCOEA_OP_STR-PGESAMT sy-vline 
WA_PMCOEA_OP_STR-SGESAMT sy-vline 
WA_PMCOEA_OP_STR-IKOSTEN sy-vline 
WA_PMCOEA_OP_STR-PKOSTEN sy-vline 
WA_PMCOEA_OP_STR-SKOSTEN sy-vline 
WA_PMCOEA_OP_STR-IERTRAG sy-vline 
WA_PMCOEA_OP_STR-PERTRAG sy-vline 
WA_PMCOEA_OP_STR-SERTRAG sy-vline 
WA_PMCOEA_OP_STR-SELKNZ sy-vline 
WA_PMCOEA_OP_STR-ACPOS sy-vline 
WA_PMCOEA_OP_STR-KAGTX sy-vline 
WA_PMCOEA_OP_STR-IKOSTENKGR sy-vline 
WA_PMCOEA_OP_STR-PKOSTENKGR sy-vline 
WA_PMCOEA_OP_STR-SKOSTENKGR sy-vline 
WA_PMCOEA_OP_STR-IERTRAGKGR sy-vline 
WA_PMCOEA_OP_STR-PERTRAGKGR sy-vline 
WA_PMCOEA_OP_STR-SERTRAGKGR sy-vline 
WA_PMCOEA_OP_STR-PRFKNZ sy-vline 
WA_PMCOEA_OP_STR-LISKNZ sy-vline 
WA_PMCOEA_OP_STR-KENNZ sy-vline 
WA_PMCOEA_OP_STR-KNZTX sy-vline 
WA_PMCOEA_OP_STR-KENWRTGES sy-vline 
WA_PMCOEA_OP_STR-KENWRTKGR sy-vline 
WA_PMCOEA_OP_STR-DISP_WAERS sy-vline 
WA_PMCOEA_OP_STR-BEMOT sy-vline 
WA_PMCOEA_OP_STR-BMTTX sy-vline 
WA_PMCOEA_OP_STR-IMENGEN sy-vline 
WA_PMCOEA_OP_STR-PMENGEN sy-vline 
WA_PMCOEA_OP_STR-SMENGEN sy-vline 
WA_PMCOEA_OP_STR-MEINH sy-vline 
WA_PMCOEA_OP_STR-IMENGEKGR sy-vline 
WA_PMCOEA_OP_STR-PMENGEKGR sy-vline 
WA_PMCOEA_OP_STR-SMENGEKGR sy-vline 
WA_PMCOEA_OP_STR-IBETRAGKGR sy-vline 
WA_PMCOEA_OP_STR-PBETRAGKGR sy-vline 
WA_PMCOEA_OP_STR-SBETRAGKGR sy-vline 
WA_PMCOEA_OP_STR-IKOSTEN_OP sy-vline 
WA_PMCOEA_OP_STR-PKOSTEN_OP sy-vline 
WA_PMCOEA_OP_STR-SKOSTEN_OP sy-vline      INTO ld_text SEPARATED BY SPACE.

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