ABAP Select data from SAP table AVISCS_SU_SUM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AVISCS_SU_SUM
*  INTO TABLE @DATA(IT_AVISCS_SU_SUM2).
*--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_AVISCS_SU_SUM INDEX 1 INTO DATA(WA_AVISCS_SU_SUM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AVISCS_SU_SUM>-MANDT = 1.
<AVISCS_SU_SUM>-SCS_SU_GUID = 1.
<AVISCS_SU_SUM>-SETTL_GUID = 1.
<AVISCS_SU_SUM>-OBJTYPE = 1.
<AVISCS_SU_SUM>-OBJNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AVISCS_SU_SUM-PFROM, sy-vline,
  WA_AVISCS_SU_SUM-PTO, sy-vline,
  WA_AVISCS_SU_SUM-PURPOSE, sy-vline,
  WA_AVISCS_SU_SUM-MEAS, sy-vline,
  WA_AVISCS_SU_SUM-PLENGTH, sy-vline,
  WA_AVISCS_SU_SUM-CC_OBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AVISCS_SU_SUM 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_AVISCS_SU_SUM 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_AVISCS_SU_SUM INTO WA_AVISCS_SU_SUM.


*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 REDAT, internal->external for field PTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_AVISCS_SU_SUM-PTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVISCS_SU_SUM-PTO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field SUM_EQUINUMUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AVISCS_SU_SUM-SUM_EQUINUMUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVISCS_SU_SUM-SUM_EQUINUMUNIT.
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_AVISCS_SU_SUM_STR, 
MANDT TYPE STRING,
SCS_SU_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
OBJTYPE TYPE STRING,
OBJNR TYPE STRING,
PFROM TYPE STRING,
PTO TYPE STRING,
PURPOSE TYPE STRING,
MEAS TYPE STRING,
PLENGTH TYPE STRING,
CC_OBJNR TYPE STRING,
IS_MEAS_REF TYPE STRING,
REF2EQUAL_SU TYPE STRING,
REF2SIM_SU TYPE STRING,
REF2REST_SU TYPE STRING,
REF2MSUSEGUID TYPE STRING,
REF2MSUSESUGUID TYPE STRING,
MEASUSEDALT TYPE STRING,
APPORTVALUE TYPE STRING,
APPORTVALUEOPT TYPE STRING,
SHARE_PERCENT TYPE STRING,
AFCMETHOD TYPE STRING,
LOC_KEY TYPE STRING,
VACANCY_PERCENT TYPE STRING,
SUM_EQUINUM TYPE STRING,
SUM_EQUINUMUNIT TYPE STRING,
SUM_PERCENT TYPE STRING,
HOW_DISTRIBUTE TYPE STRING,
REST_OBJECT TYPE STRING,
RESTNEGALLOWED TYPE STRING,
HAS_CHILD TYPE STRING,
HAS_PARENT TYPE STRING,
HAS_RESTOBJ TYPE STRING,
CURRENCY TYPE STRING,
NETAMOUNT TYPE STRING,
NONDEDTAXAMT TYPE STRING,
DEDTAXAMOUNT TYPE STRING,
HAS_COSTS TYPE STRING,
HEATING_SYS TYPE STRING,
ACCFIRM TYPE STRING,
IS_CREDITSSU TYPE STRING,
IS_ONLY4MEAS TYPE STRING,
IS_ONLY4OPTRATE TYPE STRING,
IS_ROOT_SU TYPE STRING,
IS_RESTOBJ TYPE STRING,
REASONFORENTRY TYPE STRING,
PROCESSGUID TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AVISCS_SU_SUM_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_AVISCS_SU_SUM_STR-MANDT sy-vline 
WA_AVISCS_SU_SUM_STR-SCS_SU_GUID sy-vline 
WA_AVISCS_SU_SUM_STR-SETTL_GUID sy-vline 
WA_AVISCS_SU_SUM_STR-OBJTYPE sy-vline 
WA_AVISCS_SU_SUM_STR-OBJNR sy-vline 
WA_AVISCS_SU_SUM_STR-PFROM sy-vline 
WA_AVISCS_SU_SUM_STR-PTO sy-vline 
WA_AVISCS_SU_SUM_STR-PURPOSE sy-vline 
WA_AVISCS_SU_SUM_STR-MEAS sy-vline 
WA_AVISCS_SU_SUM_STR-PLENGTH sy-vline 
WA_AVISCS_SU_SUM_STR-CC_OBJNR sy-vline 
WA_AVISCS_SU_SUM_STR-IS_MEAS_REF sy-vline 
WA_AVISCS_SU_SUM_STR-REF2EQUAL_SU sy-vline 
WA_AVISCS_SU_SUM_STR-REF2SIM_SU sy-vline 
WA_AVISCS_SU_SUM_STR-REF2REST_SU sy-vline 
WA_AVISCS_SU_SUM_STR-REF2MSUSEGUID sy-vline 
WA_AVISCS_SU_SUM_STR-REF2MSUSESUGUID sy-vline 
WA_AVISCS_SU_SUM_STR-MEASUSEDALT sy-vline 
WA_AVISCS_SU_SUM_STR-APPORTVALUE sy-vline 
WA_AVISCS_SU_SUM_STR-APPORTVALUEOPT sy-vline 
WA_AVISCS_SU_SUM_STR-SHARE_PERCENT sy-vline 
WA_AVISCS_SU_SUM_STR-AFCMETHOD sy-vline 
WA_AVISCS_SU_SUM_STR-LOC_KEY sy-vline 
WA_AVISCS_SU_SUM_STR-VACANCY_PERCENT sy-vline 
WA_AVISCS_SU_SUM_STR-SUM_EQUINUM sy-vline 
WA_AVISCS_SU_SUM_STR-SUM_EQUINUMUNIT sy-vline 
WA_AVISCS_SU_SUM_STR-SUM_PERCENT sy-vline 
WA_AVISCS_SU_SUM_STR-HOW_DISTRIBUTE sy-vline 
WA_AVISCS_SU_SUM_STR-REST_OBJECT sy-vline 
WA_AVISCS_SU_SUM_STR-RESTNEGALLOWED sy-vline 
WA_AVISCS_SU_SUM_STR-HAS_CHILD sy-vline 
WA_AVISCS_SU_SUM_STR-HAS_PARENT sy-vline 
WA_AVISCS_SU_SUM_STR-HAS_RESTOBJ sy-vline 
WA_AVISCS_SU_SUM_STR-CURRENCY sy-vline 
WA_AVISCS_SU_SUM_STR-NETAMOUNT sy-vline 
WA_AVISCS_SU_SUM_STR-NONDEDTAXAMT sy-vline 
WA_AVISCS_SU_SUM_STR-DEDTAXAMOUNT sy-vline 
WA_AVISCS_SU_SUM_STR-HAS_COSTS sy-vline 
WA_AVISCS_SU_SUM_STR-HEATING_SYS sy-vline 
WA_AVISCS_SU_SUM_STR-ACCFIRM sy-vline 
WA_AVISCS_SU_SUM_STR-IS_CREDITSSU sy-vline 
WA_AVISCS_SU_SUM_STR-IS_ONLY4MEAS sy-vline 
WA_AVISCS_SU_SUM_STR-IS_ONLY4OPTRATE sy-vline 
WA_AVISCS_SU_SUM_STR-IS_ROOT_SU sy-vline 
WA_AVISCS_SU_SUM_STR-IS_RESTOBJ sy-vline 
WA_AVISCS_SU_SUM_STR-REASONFORENTRY sy-vline 
WA_AVISCS_SU_SUM_STR-PROCESSGUID sy-vline 
WA_AVISCS_SU_SUM_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.