ABAP Select data from SAP table PPELUI_CMPHD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPELUI_CMPHD
*  INTO TABLE @DATA(IT_PPELUI_CMPHD2).
*--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_PPELUI_CMPHD INDEX 1 INTO DATA(WA_PPELUI_CMPHD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPELUI_CMPHD>-ICON_SELECTION = 1.
<PPELUI_CMPHD>-PN_GUID = 1.
<PPELUI_CMPHD>-PN_NAME = 1.
<PPELUI_CMPHD>-PN_CLASS = 1.
<PPELUI_CMPHD>-PN_CLASSTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPELUI_CMPHD-PN_TEXT, sy-vline,
  WA_PPELUI_CMPHD-CREADAT_PN, sy-vline,
  WA_PPELUI_CMPHD-CREABY_PN, sy-vline,
  WA_PPELUI_CMPHD-CHNGDAT_PN, sy-vline,
  WA_PPELUI_CMPHD-CHNGBY_PN, sy-vline,
  WA_PPELUI_CMPHD-LOGSYS_PN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPELUI_CMPHD 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_PPELUI_CMPHD 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_PPELUI_CMPHD INTO WA_PPELUI_CMPHD.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field DOC_NUMBER_PV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PPELUI_CMPHD-DOC_NUMBER_PV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPELUI_CMPHD-DOC_NUMBER_PV.
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_PPELUI_CMPHD_STR, 
ICON_SELECTION TYPE STRING,
PN_GUID TYPE STRING,
PN_NAME TYPE STRING,
PN_CLASS TYPE STRING,
PN_CLASSTYPE TYPE STRING,
PN_TEXT TYPE STRING,
CREADAT_PN TYPE STRING,
CREABY_PN TYPE STRING,
CHNGDAT_PN TYPE STRING,
CHNGBY_PN TYPE STRING,
LOGSYS_PN TYPE STRING,
PVCMAND_PN TYPE STRING,
PVCMULT_PN TYPE STRING,
PVCFREE_PN TYPE STRING,
PVCPRIO_PN TYPE STRING,
PN_ICON_REFERENCE TYPE STRING,
PA_GUID TYPE STRING,
PA_NAME TYPE STRING,
PA_TEXT TYPE STRING,
CREADAT_PA TYPE STRING,
CREABY_PA TYPE STRING,
CHNGDAT_PA TYPE STRING,
CHNGBY_PA TYPE STRING,
LOGSYS_PA TYPE STRING,
DOCALT_PA TYPE STRING,
OTYPE_PA TYPE STRING,
PGUID_PA TYPE STRING,
PV_GUID TYPE STRING,
PV_NAME TYPE STRING,
PV_TEXT TYPE STRING,
PV_AENNR TYPE STRING,
PV_DATE_FROM TYPE STRING,
PV_DELFLG TYPE STRING,
CREADAT_PV TYPE STRING,
CREABY_PV TYPE STRING,
CHNGDAT_PV TYPE STRING,
CHNGBY_PV TYPE STRING,
LOGSYS_PV TYPE STRING,
PVCTYPE_PV TYPE STRING,
CMPID_PV TYPE STRING,
QUANT_PV TYPE STRING,
QUNIT_PV TYPE STRING,
DOCID_PV TYPE STRING,
CMPEXT_PV TYPE STRING,
PV_CMPID_TEXT TYPE STRING,
ICON_WUL_POS TYPE STRING,
DOC_KIND_PV TYPE STRING,
DOC_NUMBER_PV TYPE STRING,
DOC_VERSION_PV TYPE STRING,
DOC_PART_PV TYPE STRING,
XDUMMY_CMPHD_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPELUI_CMPHD_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_PPELUI_CMPHD_STR-ICON_SELECTION sy-vline 
WA_PPELUI_CMPHD_STR-PN_GUID sy-vline 
WA_PPELUI_CMPHD_STR-PN_NAME sy-vline 
WA_PPELUI_CMPHD_STR-PN_CLASS sy-vline 
WA_PPELUI_CMPHD_STR-PN_CLASSTYPE sy-vline 
WA_PPELUI_CMPHD_STR-PN_TEXT sy-vline 
WA_PPELUI_CMPHD_STR-CREADAT_PN sy-vline 
WA_PPELUI_CMPHD_STR-CREABY_PN sy-vline 
WA_PPELUI_CMPHD_STR-CHNGDAT_PN sy-vline 
WA_PPELUI_CMPHD_STR-CHNGBY_PN sy-vline 
WA_PPELUI_CMPHD_STR-LOGSYS_PN sy-vline 
WA_PPELUI_CMPHD_STR-PVCMAND_PN sy-vline 
WA_PPELUI_CMPHD_STR-PVCMULT_PN sy-vline 
WA_PPELUI_CMPHD_STR-PVCFREE_PN sy-vline 
WA_PPELUI_CMPHD_STR-PVCPRIO_PN sy-vline 
WA_PPELUI_CMPHD_STR-PN_ICON_REFERENCE sy-vline 
WA_PPELUI_CMPHD_STR-PA_GUID sy-vline 
WA_PPELUI_CMPHD_STR-PA_NAME sy-vline 
WA_PPELUI_CMPHD_STR-PA_TEXT sy-vline 
WA_PPELUI_CMPHD_STR-CREADAT_PA sy-vline 
WA_PPELUI_CMPHD_STR-CREABY_PA sy-vline 
WA_PPELUI_CMPHD_STR-CHNGDAT_PA sy-vline 
WA_PPELUI_CMPHD_STR-CHNGBY_PA sy-vline 
WA_PPELUI_CMPHD_STR-LOGSYS_PA sy-vline 
WA_PPELUI_CMPHD_STR-DOCALT_PA sy-vline 
WA_PPELUI_CMPHD_STR-OTYPE_PA sy-vline 
WA_PPELUI_CMPHD_STR-PGUID_PA sy-vline 
WA_PPELUI_CMPHD_STR-PV_GUID sy-vline 
WA_PPELUI_CMPHD_STR-PV_NAME sy-vline 
WA_PPELUI_CMPHD_STR-PV_TEXT sy-vline 
WA_PPELUI_CMPHD_STR-PV_AENNR sy-vline 
WA_PPELUI_CMPHD_STR-PV_DATE_FROM sy-vline 
WA_PPELUI_CMPHD_STR-PV_DELFLG sy-vline 
WA_PPELUI_CMPHD_STR-CREADAT_PV sy-vline 
WA_PPELUI_CMPHD_STR-CREABY_PV sy-vline 
WA_PPELUI_CMPHD_STR-CHNGDAT_PV sy-vline 
WA_PPELUI_CMPHD_STR-CHNGBY_PV sy-vline 
WA_PPELUI_CMPHD_STR-LOGSYS_PV sy-vline 
WA_PPELUI_CMPHD_STR-PVCTYPE_PV sy-vline 
WA_PPELUI_CMPHD_STR-CMPID_PV sy-vline 
WA_PPELUI_CMPHD_STR-QUANT_PV sy-vline 
WA_PPELUI_CMPHD_STR-QUNIT_PV sy-vline 
WA_PPELUI_CMPHD_STR-DOCID_PV sy-vline 
WA_PPELUI_CMPHD_STR-CMPEXT_PV sy-vline 
WA_PPELUI_CMPHD_STR-PV_CMPID_TEXT sy-vline 
WA_PPELUI_CMPHD_STR-ICON_WUL_POS sy-vline 
WA_PPELUI_CMPHD_STR-DOC_KIND_PV sy-vline 
WA_PPELUI_CMPHD_STR-DOC_NUMBER_PV sy-vline 
WA_PPELUI_CMPHD_STR-DOC_VERSION_PV sy-vline 
WA_PPELUI_CMPHD_STR-DOC_PART_PV sy-vline 
WA_PPELUI_CMPHD_STR-XDUMMY_CMPHD_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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