ABAP Select data from SAP table ISU_C4C_S_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 ISU_C4C_S_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 ISU_C4C_S_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 ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS TYPE STANDARD TABLE OF ISU_C4C_S_INSTALLATION_FACTS,
      WA_ISU_C4C_S_INSTALLATION_FACTS TYPE ISU_C4C_S_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: <ISU_C4C_S_INSTALLATION_FACTS> TYPE ISU_C4C_S_INSTALLATION_FACTS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISU_C4C_S_INSTALLATION_FACTS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISU_C4C_S_INSTALLATION_FACTS
  INTO TABLE IT_ISU_C4C_S_INSTALLATION_FACTS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_C4C_S_INSTALLATION_FACTS
*  INTO TABLE @DATA(IT_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS INDEX 1 INTO DATA(WA_ISU_C4C_S_INSTALLATION_FACTS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISU_C4C_S_INSTALLATION_FACTS ASSIGNING <ISU_C4C_S_INSTALLATION_FACTS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_C4C_S_INSTALLATION_FACTS>-OPERAND = 1.
<ISU_C4C_S_INSTALLATION_FACTS>-OPERAND_CATEGORY = 1.
<ISU_C4C_S_INSTALLATION_FACTS>-EDIT_FLAG = 1.
<ISU_C4C_S_INSTALLATION_FACTS>-OP_CATEG_FACTOR = 1.
<ISU_C4C_S_INSTALLATION_FACTS>-OP_CATEG_FLAG = 1.

ENDLOOP.

LOOP AT IT_ISU_C4C_S_INSTALLATION_FACTS INTO WA_ISU_C4C_S_INSTALLATION_FACTS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_INTEGER, sy-vline,
  WA_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_PDISCNT, sy-vline,
  WA_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_AMOUNT, sy-vline,
  WA_ISU_C4C_S_INSTALLATION_FACTS-AMOUNT, sy-vline,
  WA_ISU_C4C_S_INSTALLATION_FACTS-CURRENCY, sy-vline,
  WA_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_ADISCABS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_C4C_S_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_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS INTO WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_PDISCNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_ADISCABS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_ADISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_DDISCNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_QDISCNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_LPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_QPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_TPRICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_INSTALLATION_FACTS-OP_CATEG_TPRICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MM_TT, internal->external for field START_SEASON
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_C4C_S_INSTALLATION_FACTS-START_SEASON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_INSTALLATION_FACTS-START_SEASON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MM_TT, internal->external for field END_SEASON
CALL FUNCTION 'CONVERSION_EXIT_MM_TT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_C4C_S_INSTALLATION_FACTS-END_SEASON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_INSTALLATION_FACTS-END_SEASON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit LUNIT, internal->external for field QUANTITY_UOM
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_C4C_S_INSTALLATION_FACTS-QUANTITY_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_C4C_S_INSTALLATION_FACTS-QUANTITY_UOM.
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_ISU_C4C_S_INSTALLATION_FACTS_STR, 
OPERAND TYPE STRING,
OPERAND_CATEGORY TYPE STRING,
EDIT_FLAG 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,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
OPERAND_DESCRIPTION TYPE STRING,
OP_CATEG_RATETYPE TYPE STRING,
SEASON_DESCRIPTION TYPE STRING,
RATE_FACT_GROUP TYPE STRING,
OP_CATEG_TQUANT TYPE STRING,
QUANTITY TYPE STRING,
TIMBASIS TYPE STRING,
TIMTYPE TYPE STRING,
OP_CATEG_SEASON TYPE STRING,
START_SEASON TYPE STRING,
END_SEASON TYPE STRING,
OPERAND_CATEGORY_DESCRIPTION TYPE STRING,
QUANTITY_UOM TYPE STRING,
QUANTITY_UOM_DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_C4C_S_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_ISU_C4C_S_INSTALLATION_FACTS_STR-OPERAND sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OPERAND_CATEGORY sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-EDIT_FLAG sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_FACTOR sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_FLAG sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_INTEGER sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_PDISCNT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_AMOUNT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-AMOUNT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-CURRENCY sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_ADISCABS sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_ADISCPER sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_DDISCNT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_DEMAND sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_QDISCNT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_LPRICE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_QPRICE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_QUANT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_SPRICE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_TPRICE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_USERDEF sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-SEASON sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-VALID_FROM sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-VALID_TO sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OPERAND_DESCRIPTION sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_RATETYPE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-SEASON_DESCRIPTION sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-RATE_FACT_GROUP sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_TQUANT sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-QUANTITY sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-TIMBASIS sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-TIMTYPE sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OP_CATEG_SEASON sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-START_SEASON sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-END_SEASON sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-OPERAND_CATEGORY_DESCRIPTION sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-QUANTITY_UOM sy-vline 
WA_ISU_C4C_S_INSTALLATION_FACTS_STR-QUANTITY_UOM_DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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