ABAP Select data from SAP table ISUS_UIL_INSTALLATION_FACTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISUS_UIL_INSTALLATION_FACTS
*  INTO TABLE @DATA(IT_ISUS_UIL_INSTALLATION_FACTS2).
*--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_ISUS_UIL_INSTALLATION_FACTS INDEX 1 INTO DATA(WA_ISUS_UIL_INSTALLATION_FACTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISUS_UIL_INSTALLATION_FACTS>-OPERAND = 1.
<ISUS_UIL_INSTALLATION_FACTS>-OPERAND_CATEGORY = 1.
<ISUS_UIL_INSTALLATION_FACTS>-OP_CATEG_FACTOR = 1.
<ISUS_UIL_INSTALLATION_FACTS>-OP_CATEG_FLAG = 1.
<ISUS_UIL_INSTALLATION_FACTS>-OP_CATEG_INTEGER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_PDISCNT, sy-vline,
  WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_AMOUNT, sy-vline,
  WA_ISUS_UIL_INSTALLATION_FACTS-AMOUNT, sy-vline,
  WA_ISUS_UIL_INSTALLATION_FACTS-CURRENCY, sy-vline,
  WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_ADISCABS, sy-vline,
  WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_ADISCPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISUS_UIL_INSTALLATION_FACTS 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_ISUS_UIL_INSTALLATION_FACTS 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_ISUS_UIL_INSTALLATION_FACTS INTO WA_ISUS_UIL_INSTALLATION_FACTS.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field OP_CATEG_TPRICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_TPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISUS_UIL_INSTALLATION_FACTS-OP_CATEG_TPRICE.
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_ISUS_UIL_INSTALLATION_FACTS_STR, 
OPERAND TYPE STRING,
OPERAND_CATEGORY TYPE STRING,
OP_CATEG_FACTOR TYPE STRING,
OP_CATEG_FLAG TYPE STRING,
OP_CATEG_INTEGER TYPE STRING,
OP_CATEG_PDISCNT TYPE STRING,
OP_CATEG_AMOUNT TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
OP_CATEG_ADISCABS TYPE STRING,
OP_CATEG_ADISCPER TYPE STRING,
OP_CATEG_DDISCNT TYPE STRING,
OP_CATEG_DEMAND TYPE STRING,
OP_CATEG_QDISCNT TYPE STRING,
OP_CATEG_LPRICE TYPE STRING,
OP_CATEG_QPRICE TYPE STRING,
OP_CATEG_QUANT TYPE STRING,
OP_CATEG_SPRICE TYPE STRING,
OP_CATEG_TPRICE TYPE STRING,
OP_CATEG_USERDEF TYPE STRING,
SEASON TYPE STRING,
TARIFART TYPE STRING,
KONDIGR TYPE STRING,
VALIDITYENDDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
WERT1 TYPE STRING,
WERT2 TYPE STRING,
STRING1 TYPE STRING,
STRING2 TYPE STRING,
STRING3 TYPE STRING,
STRING4 TYPE STRING,
ERSATZWERT TYPE STRING,
BETRAG TYPE STRING,
WAERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISUS_UIL_INSTALLATION_FACTS_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_ISUS_UIL_INSTALLATION_FACTS_STR-OPERAND sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OPERAND_CATEGORY sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_FACTOR sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_FLAG sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_INTEGER sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_PDISCNT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_AMOUNT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-AMOUNT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-CURRENCY sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_ADISCABS sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_ADISCPER sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_DDISCNT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_DEMAND sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_QDISCNT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_LPRICE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_QPRICE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_QUANT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_SPRICE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_TPRICE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-OP_CATEG_USERDEF sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-SEASON sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-TARIFART sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-KONDIGR sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-VALIDITYENDDATE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-VALIDITYSTARTDATE sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-WERT1 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-WERT2 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-STRING1 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-STRING2 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-STRING3 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-STRING4 sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-ERSATZWERT sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-BETRAG sy-vline 
WA_ISUS_UIL_INSTALLATION_FACTS_STR-WAERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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