ABAP Select data from SAP table AVISRREPORT into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP AVISRREPORT 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 AVISRREPORT. 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 AVISRREPORT 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_AVISRREPORT TYPE STANDARD TABLE OF AVISRREPORT,
      WA_AVISRREPORT TYPE AVISRREPORT,
      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: <AVISRREPORT> TYPE AVISRREPORT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AVISRREPORT
*  INTO TABLE @DATA(IT_AVISRREPORT2).
*--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_AVISRREPORT INDEX 1 INTO DATA(WA_AVISRREPORT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AVISRREPORT>-MANDT = 1.
<AVISRREPORT>-INTRENO = 1.
<AVISRREPORT>-TERMNO = 1.
<AVISRREPORT>-RHYTHMTYPE = 1.
<AVISRREPORT>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AVISRREPORT-VERSION, sy-vline,
  WA_AVISRREPORT-VALIDTO, sy-vline,
  WA_AVISRREPORT-SALESTYPE, sy-vline,
  WA_AVISRREPORT-SALESUNIT, sy-vline,
  WA_AVISRREPORT-SALESCURR, sy-vline,
  WA_AVISRREPORT-RPTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AVISRREPORT 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_AVISRREPORT 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_AVISRREPORT INTO WA_AVISRREPORT.


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

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

*Conversion exit CUNIT, internal->external for field SALESUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AVISRREPORT-SALESUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVISRREPORT-SALESUNIT.
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_AVISRREPORT_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
TERMNO TYPE STRING,
RHYTHMTYPE TYPE STRING,
VALIDFROM TYPE STRING,
VERSION TYPE STRING,
VALIDTO TYPE STRING,
SALESTYPE TYPE STRING,
SALESUNIT TYPE STRING,
SALESCURR TYPE STRING,
RPTYPE TYPE STRING,
NO_SALES TYPE STRING,
NET_SALES TYPE STRING,
GROSS_SALES TYPE STRING,
QUANTITY TYPE STRING,
STAT_NETSALES TYPE STRING,
STAT_GROSSSALES TYPE STRING,
STAT_QUANTITY TYPE STRING,
RPDATE TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AVISRREPORT_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_AVISRREPORT_STR-MANDT sy-vline 
WA_AVISRREPORT_STR-INTRENO sy-vline 
WA_AVISRREPORT_STR-TERMNO sy-vline 
WA_AVISRREPORT_STR-RHYTHMTYPE sy-vline 
WA_AVISRREPORT_STR-VALIDFROM sy-vline 
WA_AVISRREPORT_STR-VERSION sy-vline 
WA_AVISRREPORT_STR-VALIDTO sy-vline 
WA_AVISRREPORT_STR-SALESTYPE sy-vline 
WA_AVISRREPORT_STR-SALESUNIT sy-vline 
WA_AVISRREPORT_STR-SALESCURR sy-vline 
WA_AVISRREPORT_STR-RPTYPE sy-vline 
WA_AVISRREPORT_STR-NO_SALES sy-vline 
WA_AVISRREPORT_STR-NET_SALES sy-vline 
WA_AVISRREPORT_STR-GROSS_SALES sy-vline 
WA_AVISRREPORT_STR-QUANTITY sy-vline 
WA_AVISRREPORT_STR-STAT_NETSALES sy-vline 
WA_AVISRREPORT_STR-STAT_GROSSSALES sy-vline 
WA_AVISRREPORT_STR-STAT_QUANTITY sy-vline 
WA_AVISRREPORT_STR-RPDATE sy-vline 
WA_AVISRREPORT_STR-RERF sy-vline 
WA_AVISRREPORT_STR-DERF sy-vline 
WA_AVISRREPORT_STR-TERF sy-vline 
WA_AVISRREPORT_STR-REHER sy-vline 
WA_AVISRREPORT_STR-RBEAR sy-vline 
WA_AVISRREPORT_STR-DBEAR sy-vline 
WA_AVISRREPORT_STR-TBEAR sy-vline 
WA_AVISRREPORT_STR-RBHER sy-vline 
WA_AVISRREPORT_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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