ABAP Select data from SAP table ESH_L_ASSET_ANLZ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ESH_L_ASSET_ANLZ
*  INTO TABLE @DATA(IT_ESH_L_ASSET_ANLZ2).
*--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_ESH_L_ASSET_ANLZ INDEX 1 INTO DATA(WA_ESH_L_ASSET_ANLZ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ESH_L_ASSET_ANLZ>-MANDT = 1.
<ESH_L_ASSET_ANLZ>-BUKRS = 1.
<ESH_L_ASSET_ANLZ>-ANLN1 = 1.
<ESH_L_ASSET_ANLZ>-ANLN2 = 1.
<ESH_L_ASSET_ANLZ>-BDATU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ESH_L_ASSET_ANLZ-ADATU, sy-vline,
  WA_ESH_L_ASSET_ANLZ-KOSTL, sy-vline,
  WA_ESH_L_ASSET_ANLZ-WERKS, sy-vline,
  WA_ESH_L_ASSET_ANLZ-GSBER, sy-vline,
  WA_ESH_L_ASSET_ANLZ-STORT, sy-vline,
  WA_ESH_L_ASSET_ANLZ-CAUFN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ESH_L_ASSET_ANLZ 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_ESH_L_ASSET_ANLZ 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_ESH_L_ASSET_ANLZ INTO WA_ESH_L_ASSET_ANLZ.


*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 ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_ASSET_ANLZ-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_ASSET_ANLZ-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_ASSET_ANLZ-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_ASSET_ANLZ-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ESH_L_ASSET_ANLZ-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ESH_L_ASSET_ANLZ-PRCTR.
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_ESH_L_ASSET_ANLZ_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
BDATU TYPE STRING,
ADATU TYPE STRING,
KOSTL TYPE STRING,
WERKS TYPE STRING,
GSBER TYPE STRING,
STORT TYPE STRING,
CAUFN TYPE STRING,
KFZKZ TYPE STRING,
PERNR TYPE STRING,
KOSTLV TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
BUDGET_PD TYPE STRING,
PRCTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ESH_L_ASSET_ANLZ_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_ESH_L_ASSET_ANLZ_STR-MANDT sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-BUKRS sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-ANLN1 sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-ANLN2 sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-BDATU sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-ADATU sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-KOSTL sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-WERKS sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-GSBER sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-STORT sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-CAUFN sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-KFZKZ sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-PERNR sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-KOSTLV sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-GEBER sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-FKBER sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-GRANT_NBR sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-BUDGET_PD sy-vline 
WA_ESH_L_ASSET_ANLZ_STR-PRCTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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