ABAP Select data from SAP table PCLO_REPAY_PV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCLO_REPAY_PV
*  INTO TABLE @DATA(IT_PCLO_REPAY_PV2).
*--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_PCLO_REPAY_PV INDEX 1 INTO DATA(WA_PCLO_REPAY_PV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCLO_REPAY_PV>-LOID = 1.
<PCLO_REPAY_PV>-PERNR = 1.
<PCLO_REPAY_PV>-DLART = 1.
<PCLO_REPAY_PV>-OBJPS = 1.
<PCLO_REPAY_PV>-PERMO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCLO_REPAY_PV-REPAY, sy-vline,
  WA_PCLO_REPAY_PV-PABRJ, sy-vline,
  WA_PCLO_REPAY_PV-PABRP, sy-vline,
  WA_PCLO_REPAY_PV-BEGDA, sy-vline,
  WA_PCLO_REPAY_PV-ENDDA, sy-vline,
  WA_PCLO_REPAY_PV-LLB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCLO_REPAY_PV 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_PCLO_REPAY_PV 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_PCLO_REPAY_PV INTO WA_PCLO_REPAY_PV.


*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 GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PCLO_REPAY_PV-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCLO_REPAY_PV-PABRJ.
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_PCLO_REPAY_PV_STR, 
LOID TYPE STRING,
PERNR TYPE STRING,
DLART TYPE STRING,
OBJPS TYPE STRING,
PERMO TYPE STRING,
REPAY TYPE STRING,
PABRJ TYPE STRING,
PABRP TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
LLB TYPE STRING,
LOUT TYPE STRING,
LREP TYPE STRING,
LRP TYPE STRING,
LEEP TYPE STRING,
LCI TYPE STRING,
LIM TYPE STRING,
LIC TYPE STRING,
LID TYPE STRING,
LBUR TYPE STRING,
LBM TYPE STRING,
LBC TYPE STRING,
LBD TYPE STRING,
CURR TYPE STRING,
LPR TYPE STRING,
LSA TYPE STRING,
LPF TYPE STRING,
DISCOUNT TYPE STRING,
PV_LRP TYPE STRING,
PV_OUTP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCLO_REPAY_PV_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_PCLO_REPAY_PV_STR-LOID sy-vline 
WA_PCLO_REPAY_PV_STR-PERNR sy-vline 
WA_PCLO_REPAY_PV_STR-DLART sy-vline 
WA_PCLO_REPAY_PV_STR-OBJPS sy-vline 
WA_PCLO_REPAY_PV_STR-PERMO sy-vline 
WA_PCLO_REPAY_PV_STR-REPAY sy-vline 
WA_PCLO_REPAY_PV_STR-PABRJ sy-vline 
WA_PCLO_REPAY_PV_STR-PABRP sy-vline 
WA_PCLO_REPAY_PV_STR-BEGDA sy-vline 
WA_PCLO_REPAY_PV_STR-ENDDA sy-vline 
WA_PCLO_REPAY_PV_STR-LLB sy-vline 
WA_PCLO_REPAY_PV_STR-LOUT sy-vline 
WA_PCLO_REPAY_PV_STR-LREP sy-vline 
WA_PCLO_REPAY_PV_STR-LRP sy-vline 
WA_PCLO_REPAY_PV_STR-LEEP sy-vline 
WA_PCLO_REPAY_PV_STR-LCI sy-vline 
WA_PCLO_REPAY_PV_STR-LIM sy-vline 
WA_PCLO_REPAY_PV_STR-LIC sy-vline 
WA_PCLO_REPAY_PV_STR-LID sy-vline 
WA_PCLO_REPAY_PV_STR-LBUR sy-vline 
WA_PCLO_REPAY_PV_STR-LBM sy-vline 
WA_PCLO_REPAY_PV_STR-LBC sy-vline 
WA_PCLO_REPAY_PV_STR-LBD sy-vline 
WA_PCLO_REPAY_PV_STR-CURR sy-vline 
WA_PCLO_REPAY_PV_STR-LPR sy-vline 
WA_PCLO_REPAY_PV_STR-LSA sy-vline 
WA_PCLO_REPAY_PV_STR-LPF sy-vline 
WA_PCLO_REPAY_PV_STR-DISCOUNT sy-vline 
WA_PCLO_REPAY_PV_STR-PV_LRP sy-vline 
WA_PCLO_REPAY_PV_STR-PV_OUTP sy-vline      INTO ld_text SEPARATED BY SPACE.

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