ABAP Select data from SAP table ISU_PRICES_MAINT_UI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISU_PRICES_MAINT_UI 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_PRICES_MAINT_UI. 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_PRICES_MAINT_UI 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_PRICES_MAINT_UI TYPE STANDARD TABLE OF ISU_PRICES_MAINT_UI,
      WA_ISU_PRICES_MAINT_UI TYPE ISU_PRICES_MAINT_UI,
      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_PRICES_MAINT_UI> TYPE ISU_PRICES_MAINT_UI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_PRICES_MAINT_UI
*  INTO TABLE @DATA(IT_ISU_PRICES_MAINT_UI2).
*--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_PRICES_MAINT_UI INDEX 1 INTO DATA(WA_ISU_PRICES_MAINT_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_PRICES_MAINT_UI>-DATA_UI = 1.
<ISU_PRICES_MAINT_UI>-CLIENT = 1.
<ISU_PRICES_MAINT_UI>-PRODUCT_GUID = 1.
<ISU_PRICES_MAINT_UI>-VALID_FROM = 1.
<ISU_PRICES_MAINT_UI>-VALID_TO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_PRICES_MAINT_UI-UPNAME, sy-vline,
  WA_ISU_PRICES_MAINT_UI-HISTEX, sy-vline,
  WA_ISU_PRICES_MAINT_UI-LOGSYS, sy-vline,
  WA_ISU_PRICES_MAINT_UI-VERSION, sy-vline,
  WA_ISU_PRICES_MAINT_UI-VERSION_DESC, sy-vline,
  WA_ISU_PRICES_MAINT_UI-CONDTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_PRICES_MAINT_UI 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_PRICES_MAINT_UI 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_PRICES_MAINT_UI INTO WA_ISU_PRICES_MAINT_UI.


*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 TSTPS, internal->external for field VALID_FROM
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ISU_PRICES_MAINT_UI-VALID_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_PRICES_MAINT_UI-VALID_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field VALID_TO
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_ISU_PRICES_MAINT_UI-VALID_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_PRICES_MAINT_UI-VALID_TO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field QUAN_FROM_U
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_PRICES_MAINT_UI-QUAN_FROM_U
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_PRICES_MAINT_UI-QUAN_FROM_U.
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_PRICES_MAINT_UI_STR, 
DATA_UI TYPE STRING,
CLIENT TYPE STRING,
PRODUCT_GUID TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
UPNAME TYPE STRING,
HISTEX TYPE STRING,
LOGSYS TYPE STRING,
VERSION TYPE STRING,
VERSION_DESC TYPE STRING,
CONDTYPE TYPE STRING,
CONDTYPE_DESC TYPE STRING,
VALIDFROM TYPE STRING,
VALIDFROM_DESC TYPE STRING,
QUAN_FROM TYPE STRING,
QUAN_FROM_DESC TYPE STRING,
QUAN_FROM_U TYPE STRING,
QUAN_FROM_U_DESC TYPE STRING,
PRICE TYPE STRING,
PRICE_DESC TYPE STRING,
PRICE_C TYPE STRING,
PRICE_C_DESC TYPE STRING,
VALIDTO TYPE STRING,
VALIDTO_DESC TYPE STRING,
STATUS TYPE STRING,
STATUS_DESC TYPE STRING,
GENKEY TYPE STRING,
GENKEY_DESC TYPE STRING,
DATA_X TYPE STRING,
QUAN_FROM TYPE STRING,
QUAN_FROM_U TYPE STRING,
PRICE TYPE STRING,
PRICE_C TYPE STRING,
VALIDTO TYPE STRING,
STATUS TYPE STRING,
GENKEY TYPE STRING,
UPDATE_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_PRICES_MAINT_UI_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_PRICES_MAINT_UI_STR-DATA_UI sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-CLIENT sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRODUCT_GUID sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALID_FROM sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALID_TO sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-UPNAME sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-HISTEX sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-LOGSYS sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VERSION sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VERSION_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-CONDTYPE sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-CONDTYPE_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALIDFROM sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALIDFROM_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM_U sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM_U_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE_C sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE_C_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALIDTO sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALIDTO_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-STATUS sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-STATUS_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-GENKEY sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-GENKEY_DESC sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-DATA_X sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-QUAN_FROM_U sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-PRICE_C sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-VALIDTO sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-STATUS sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-GENKEY sy-vline 
WA_ISU_PRICES_MAINT_UI_STR-UPDATE_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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