ABAP Select data from SAP table PPOPSCNF_CONF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPOPSCNF_CONF
*  INTO TABLE @DATA(IT_PPOPSCNF_CONF2).
*--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_PPOPSCNF_CONF INDEX 1 INTO DATA(WA_PPOPSCNF_CONF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPOPSCNF_CONF>-CONF_NO = 1.
<PPOPSCNF_CONF>-CONF_CNT = 1.
<PPOPSCNF_CONF>-POSTING_DATE = 1.
<PPOPSCNF_CONF>-CONF_TXT = 1.
<PPOPSCNF_CONF>-PERSONNEL_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPOPSCNF_CONF-YIELD_TO_CONF, sy-vline,
  WA_PPOPSCNF_CONF-SCRAP_TO_CONF, sy-vline,
  WA_PPOPSCNF_CONF-REWORK_TO_CONF, sy-vline,
  WA_PPOPSCNF_CONF-CONF_QUAN_UNIT, sy-vline,
  WA_PPOPSCNF_CONF-CONF_SCRAP_REASON, sy-vline,
  WA_PPOPSCNF_CONF-CONF_WORKCENTER_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPOPSCNF_CONF 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_PPOPSCNF_CONF 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_PPOPSCNF_CONF INTO WA_PPOPSCNF_CONF.


*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 CONF_QUAN_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_QUAN_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_QUAN_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT4
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT5
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT5
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT5.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CONF_ACTI_UNIT6
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPOPSCNF_CONF-CONF_ACTI_UNIT6
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPOPSCNF_CONF-CONF_ACTI_UNIT6.
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_PPOPSCNF_CONF_STR, 
CONF_NO TYPE STRING,
CONF_CNT TYPE STRING,
POSTING_DATE TYPE STRING,
CONF_TXT TYPE STRING,
PERSONNEL_NO TYPE STRING,
YIELD_TO_CONF TYPE STRING,
SCRAP_TO_CONF TYPE STRING,
REWORK_TO_CONF TYPE STRING,
CONF_QUAN_UNIT TYPE STRING,
CONF_SCRAP_REASON TYPE STRING,
CONF_WORKCENTER_ID TYPE STRING,
FIN_CONF TYPE STRING,
CONF_ACTI_UNIT1 TYPE STRING,
CONF_ACTIVITY1 TYPE STRING,
CONF_ACTI_UNIT2 TYPE STRING,
CONF_ACTIVITY2 TYPE STRING,
CONF_ACTI_UNIT3 TYPE STRING,
CONF_ACTIVITY3 TYPE STRING,
CONF_ACTI_UNIT4 TYPE STRING,
CONF_ACTIVITY4 TYPE STRING,
CONF_ACTI_UNIT5 TYPE STRING,
CONF_ACTIVITY5 TYPE STRING,
CONF_ACTI_UNIT6 TYPE STRING,
CONF_ACTIVITY6 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPOPSCNF_CONF_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_PPOPSCNF_CONF_STR-CONF_NO sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_CNT sy-vline 
WA_PPOPSCNF_CONF_STR-POSTING_DATE sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_TXT sy-vline 
WA_PPOPSCNF_CONF_STR-PERSONNEL_NO sy-vline 
WA_PPOPSCNF_CONF_STR-YIELD_TO_CONF sy-vline 
WA_PPOPSCNF_CONF_STR-SCRAP_TO_CONF sy-vline 
WA_PPOPSCNF_CONF_STR-REWORK_TO_CONF sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_QUAN_UNIT sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_SCRAP_REASON sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_WORKCENTER_ID sy-vline 
WA_PPOPSCNF_CONF_STR-FIN_CONF sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT1 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY1 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT2 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY2 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT3 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY3 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT4 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY4 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT5 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY5 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTI_UNIT6 sy-vline 
WA_PPOPSCNF_CONF_STR-CONF_ACTIVITY6 sy-vline      INTO ld_text SEPARATED BY SPACE.

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