ABAP Select data from SAP table PSLSVOLBYPRD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSLSVOLBYPRD
*  INTO TABLE @DATA(IT_PSLSVOLBYPRD2).
*--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_PSLSVOLBYPRD INDEX 1 INTO DATA(WA_PSLSVOLBYPRD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSLSVOLBYPRD>-MANDT = 1.
<PSLSVOLBYPRD>-BILLINGDOCUMENTDATEYEAR = 1.
<PSLSVOLBYPRD>-BILLINGDOCDATEYEARQUARTER = 1.
<PSLSVOLBYPRD>-BILLINGDOCDATEYEARMONTH = 1.
<PSLSVOLBYPRD>-BILLINGDOCUMENTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSLSVOLBYPRD-SALESORGANIZATION, sy-vline,
  WA_PSLSVOLBYPRD-DISTRIBUTIONCHANNEL, sy-vline,
  WA_PSLSVOLBYPRD-DIVISION, sy-vline,
  WA_PSLSVOLBYPRD-CUSTOMERGROUP, sy-vline,
  WA_PSLSVOLBYPRD-CUSTOMER, sy-vline,
  WA_PSLSVOLBYPRD-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSLSVOLBYPRD 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_PSLSVOLBYPRD 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_PSLSVOLBYPRD INTO WA_PSLSVOLBYPRD.


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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PSLSVOLBYPRD-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSLSVOLBYPRD-MATERIAL.
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_PSLSVOLBYPRD_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENTDATEYEAR TYPE STRING,
BILLINGDOCDATEYEARQUARTER TYPE STRING,
BILLINGDOCDATEYEARMONTH TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
CUSTOMERGROUP TYPE STRING,
CUSTOMER TYPE STRING,
MATERIALGROUP TYPE STRING,
MATERIAL TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
SLSVOLUMENETAMTINDSPCRCY TYPE STRING,
NETSLSVOLUMENETAMTINDC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSLSVOLBYPRD_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_PSLSVOLBYPRD_STR-MANDT sy-vline 
WA_PSLSVOLBYPRD_STR-BILLINGDOCUMENTDATEYEAR sy-vline 
WA_PSLSVOLBYPRD_STR-BILLINGDOCDATEYEARQUARTER sy-vline 
WA_PSLSVOLBYPRD_STR-BILLINGDOCDATEYEARMONTH sy-vline 
WA_PSLSVOLBYPRD_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_PSLSVOLBYPRD_STR-SALESORGANIZATION sy-vline 
WA_PSLSVOLBYPRD_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_PSLSVOLBYPRD_STR-DIVISION sy-vline 
WA_PSLSVOLBYPRD_STR-CUSTOMERGROUP sy-vline 
WA_PSLSVOLBYPRD_STR-CUSTOMER sy-vline 
WA_PSLSVOLBYPRD_STR-MATERIALGROUP sy-vline 
WA_PSLSVOLBYPRD_STR-MATERIAL sy-vline 
WA_PSLSVOLBYPRD_STR-DISPLAYCURRENCY sy-vline 
WA_PSLSVOLBYPRD_STR-SLSVOLUMENETAMTINDSPCRCY sy-vline 
WA_PSLSVOLBYPRD_STR-NETSLSVOLUMENETAMTINDC sy-vline      INTO ld_text SEPARATED BY SPACE.

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