ABAP Select data from SAP table ISU_PRICE_HEAD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISU_PRICE_HEAD 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_PRICE_HEAD. 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_PRICE_HEAD 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_PRICE_HEAD TYPE STANDARD TABLE OF ISU_PRICE_HEAD,
      WA_ISU_PRICE_HEAD TYPE ISU_PRICE_HEAD,
      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_PRICE_HEAD> TYPE ISU_PRICE_HEAD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISU_PRICE_HEAD
*  INTO TABLE @DATA(IT_ISU_PRICE_HEAD2).
*--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_PRICE_HEAD INDEX 1 INTO DATA(WA_ISU_PRICE_HEAD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISU_PRICE_HEAD>-MANDT = 1.
<ISU_PRICE_HEAD>-PREIS = 1.
<ISU_PRICE_HEAD>-PREISTYP = 1.
<ISU_PRICE_HEAD>-PREISTUF = 1.
<ISU_PRICE_HEAD>-SPARTE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISU_PRICE_HEAD-MASS, sy-vline,
  WA_ISU_PRICE_HEAD-AKLASSE, sy-vline,
  WA_ISU_PRICE_HEAD-TIMBASIS, sy-vline,
  WA_ISU_PRICE_HEAD-TIMTYP, sy-vline,
  WA_ISU_PRICE_HEAD-PREIGKL, sy-vline,
  WA_ISU_PRICE_HEAD-MITTELPR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISU_PRICE_HEAD 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_PRICE_HEAD 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_PRICE_HEAD INTO WA_ISU_PRICE_HEAD.


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

*Conversion exit CUNIT, internal->external for field MASS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ISU_PRICE_HEAD-MASS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_PRICE_HEAD-MASS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISU_PRICE_HEAD-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISU_PRICE_HEAD-SPRAS.
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_PRICE_HEAD_STR, 
MANDT TYPE STRING,
PREIS TYPE STRING,
PREISTYP TYPE STRING,
PREISTUF TYPE STRING,
SPARTE TYPE STRING,
MASS TYPE STRING,
AKLASSE TYPE STRING,
TIMBASIS TYPE STRING,
TIMTYP TYPE STRING,
PREIGKL TYPE STRING,
MITTELPR TYPE STRING,
DPREIKZ TYPE STRING,
RUNDART TYPE STRING,
RUNDUNG TYPE STRING,
PREISART TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
BEGRU TYPE STRING,
LOEVM TYPE STRING,
INDEXP TYPE STRING,
NEXTINT TYPE STRING,
FRAN_TYPE TYPE STRING,
EXTPRICE TYPE STRING,
PRCZONAJ TYPE STRING,
PRCZOMIN TYPE STRING,
PRCZOMAX TYPE STRING,
KA_GRENZPREIS TYPE STRING,
GROSSPRICE TYPE STRING,
PRICEORIGIN TYPE STRING,
ANLAGE TYPE STRING,
RABART TYPE STRING,
RABTYP TYPE STRING,
SPRAS TYPE STRING,
TEXT30 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISU_PRICE_HEAD_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_PRICE_HEAD_STR-MANDT sy-vline 
WA_ISU_PRICE_HEAD_STR-PREIS sy-vline 
WA_ISU_PRICE_HEAD_STR-PREISTYP sy-vline 
WA_ISU_PRICE_HEAD_STR-PREISTUF sy-vline 
WA_ISU_PRICE_HEAD_STR-SPARTE sy-vline 
WA_ISU_PRICE_HEAD_STR-MASS sy-vline 
WA_ISU_PRICE_HEAD_STR-AKLASSE sy-vline 
WA_ISU_PRICE_HEAD_STR-TIMBASIS sy-vline 
WA_ISU_PRICE_HEAD_STR-TIMTYP sy-vline 
WA_ISU_PRICE_HEAD_STR-PREIGKL sy-vline 
WA_ISU_PRICE_HEAD_STR-MITTELPR sy-vline 
WA_ISU_PRICE_HEAD_STR-DPREIKZ sy-vline 
WA_ISU_PRICE_HEAD_STR-RUNDART sy-vline 
WA_ISU_PRICE_HEAD_STR-RUNDUNG sy-vline 
WA_ISU_PRICE_HEAD_STR-PREISART sy-vline 
WA_ISU_PRICE_HEAD_STR-ERDAT sy-vline 
WA_ISU_PRICE_HEAD_STR-ERNAM sy-vline 
WA_ISU_PRICE_HEAD_STR-AEDAT sy-vline 
WA_ISU_PRICE_HEAD_STR-AENAM sy-vline 
WA_ISU_PRICE_HEAD_STR-BEGRU sy-vline 
WA_ISU_PRICE_HEAD_STR-LOEVM sy-vline 
WA_ISU_PRICE_HEAD_STR-INDEXP sy-vline 
WA_ISU_PRICE_HEAD_STR-NEXTINT sy-vline 
WA_ISU_PRICE_HEAD_STR-FRAN_TYPE sy-vline 
WA_ISU_PRICE_HEAD_STR-EXTPRICE sy-vline 
WA_ISU_PRICE_HEAD_STR-PRCZONAJ sy-vline 
WA_ISU_PRICE_HEAD_STR-PRCZOMIN sy-vline 
WA_ISU_PRICE_HEAD_STR-PRCZOMAX sy-vline 
WA_ISU_PRICE_HEAD_STR-KA_GRENZPREIS sy-vline 
WA_ISU_PRICE_HEAD_STR-GROSSPRICE sy-vline 
WA_ISU_PRICE_HEAD_STR-PRICEORIGIN sy-vline 
WA_ISU_PRICE_HEAD_STR-ANLAGE sy-vline 
WA_ISU_PRICE_HEAD_STR-RABART sy-vline 
WA_ISU_PRICE_HEAD_STR-RABTYP sy-vline 
WA_ISU_PRICE_HEAD_STR-SPRAS sy-vline 
WA_ISU_PRICE_HEAD_STR-TEXT30 sy-vline      INTO ld_text SEPARATED BY SPACE.

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