ABAP Select data from SAP table PRCT_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRCT_V
*  INTO TABLE @DATA(IT_PRCT_V2).
*--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_PRCT_V INDEX 1 INTO DATA(WA_PRCT_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRCT_V>-PRCTR = 1.
<PRCT_V>-DATBI = 1.
<PRCT_V>-KOKRS = 1.
<PRCT_V>-DATAB = 1.
<PRCT_V>-ERSDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRCT_V-USNAM, sy-vline,
  WA_PRCT_V-ABTEI, sy-vline,
  WA_PRCT_V-VERAK, sy-vline,
  WA_PRCT_V-VERAK_USER, sy-vline,
  WA_PRCT_V-WAERS, sy-vline,
  WA_PRCT_V-NPRCTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRCT_V 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_PRCT_V 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_PRCT_V INTO WA_PRCT_V.


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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_V-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_V-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field SPRAS2
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_V-SPRAS2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_V-SPRAS2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRCT_V-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRCT_V-SEGMENT.
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_PRCT_V_STR, 
PRCTR TYPE STRING,
DATBI TYPE STRING,
KOKRS TYPE STRING,
DATAB TYPE STRING,
ERSDA TYPE STRING,
USNAM TYPE STRING,
ABTEI TYPE STRING,
VERAK TYPE STRING,
VERAK_USER TYPE STRING,
WAERS TYPE STRING,
NPRCTR TYPE STRING,
LAND1 TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
NAME4 TYPE STRING,
ORT01 TYPE STRING,
ORT02 TYPE STRING,
STRAS TYPE STRING,
PFACH TYPE STRING,
PSTLZ TYPE STRING,
PSTL2 TYPE STRING,
SPRAS TYPE STRING,
TELBX TYPE STRING,
TELF1 TYPE STRING,
TELF2 TYPE STRING,
TELFX TYPE STRING,
TELTX TYPE STRING,
TELX1 TYPE STRING,
DATLT TYPE STRING,
DRNAM TYPE STRING,
KHINR TYPE STRING,
HITXT TYPE STRING,
TXJCD TYPE STRING,
REGIO TYPE STRING,
LOGSYSTEM TYPE STRING,
LOCK_IND TYPE STRING,
PCA_TEMPLATE TYPE STRING,
PCA_TEMPLATE_TEXT TYPE STRING,
SPRAS2 TYPE STRING,
KTEXT TYPE STRING,
LTEXT TYPE STRING,
MCTXT TYPE STRING,
DPCFLG TYPE STRING,
VAL_DATAB TYPE STRING,
VAL_DATBI TYPE STRING,
REF_PRCTR TYPE STRING,
REF_KOKRS TYPE STRING,
BUTLONGTEXT TYPE STRING,
BUTVSTOGGLE TYPE STRING,
BUTACTIVATE TYPE STRING,
BUTUNDOCHNG TYPE STRING,
TXTACTSTATE TYPE STRING,
BUKRS TYPE STRING,
SEGMENT TYPE STRING,
VERAK_USER_TEXT TYPE STRING,
SEGMENTTXT TYPE STRING,
EEW_CEPC_PS_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRCT_V_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_PRCT_V_STR-PRCTR sy-vline 
WA_PRCT_V_STR-DATBI sy-vline 
WA_PRCT_V_STR-KOKRS sy-vline 
WA_PRCT_V_STR-DATAB sy-vline 
WA_PRCT_V_STR-ERSDA sy-vline 
WA_PRCT_V_STR-USNAM sy-vline 
WA_PRCT_V_STR-ABTEI sy-vline 
WA_PRCT_V_STR-VERAK sy-vline 
WA_PRCT_V_STR-VERAK_USER sy-vline 
WA_PRCT_V_STR-WAERS sy-vline 
WA_PRCT_V_STR-NPRCTR sy-vline 
WA_PRCT_V_STR-LAND1 sy-vline 
WA_PRCT_V_STR-ANRED sy-vline 
WA_PRCT_V_STR-NAME1 sy-vline 
WA_PRCT_V_STR-NAME2 sy-vline 
WA_PRCT_V_STR-NAME3 sy-vline 
WA_PRCT_V_STR-NAME4 sy-vline 
WA_PRCT_V_STR-ORT01 sy-vline 
WA_PRCT_V_STR-ORT02 sy-vline 
WA_PRCT_V_STR-STRAS sy-vline 
WA_PRCT_V_STR-PFACH sy-vline 
WA_PRCT_V_STR-PSTLZ sy-vline 
WA_PRCT_V_STR-PSTL2 sy-vline 
WA_PRCT_V_STR-SPRAS sy-vline 
WA_PRCT_V_STR-TELBX sy-vline 
WA_PRCT_V_STR-TELF1 sy-vline 
WA_PRCT_V_STR-TELF2 sy-vline 
WA_PRCT_V_STR-TELFX sy-vline 
WA_PRCT_V_STR-TELTX sy-vline 
WA_PRCT_V_STR-TELX1 sy-vline 
WA_PRCT_V_STR-DATLT sy-vline 
WA_PRCT_V_STR-DRNAM sy-vline 
WA_PRCT_V_STR-KHINR sy-vline 
WA_PRCT_V_STR-HITXT sy-vline 
WA_PRCT_V_STR-TXJCD sy-vline 
WA_PRCT_V_STR-REGIO sy-vline 
WA_PRCT_V_STR-LOGSYSTEM sy-vline 
WA_PRCT_V_STR-LOCK_IND sy-vline 
WA_PRCT_V_STR-PCA_TEMPLATE sy-vline 
WA_PRCT_V_STR-PCA_TEMPLATE_TEXT sy-vline 
WA_PRCT_V_STR-SPRAS2 sy-vline 
WA_PRCT_V_STR-KTEXT sy-vline 
WA_PRCT_V_STR-LTEXT sy-vline 
WA_PRCT_V_STR-MCTXT sy-vline 
WA_PRCT_V_STR-DPCFLG sy-vline 
WA_PRCT_V_STR-VAL_DATAB sy-vline 
WA_PRCT_V_STR-VAL_DATBI sy-vline 
WA_PRCT_V_STR-REF_PRCTR sy-vline 
WA_PRCT_V_STR-REF_KOKRS sy-vline 
WA_PRCT_V_STR-BUTLONGTEXT sy-vline 
WA_PRCT_V_STR-BUTVSTOGGLE sy-vline 
WA_PRCT_V_STR-BUTACTIVATE sy-vline 
WA_PRCT_V_STR-BUTUNDOCHNG sy-vline 
WA_PRCT_V_STR-TXTACTSTATE sy-vline 
WA_PRCT_V_STR-BUKRS sy-vline 
WA_PRCT_V_STR-SEGMENT sy-vline 
WA_PRCT_V_STR-VERAK_USER_TEXT sy-vline 
WA_PRCT_V_STR-SEGMENTTXT sy-vline 
WA_PRCT_V_STR-EEW_CEPC_PS_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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