ABAP Select data from SAP table ICL_ITEMEQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICL_ITEMEQ
*  INTO TABLE @DATA(IT_ICL_ITEMEQ2).
*--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_ICL_ITEMEQ INDEX 1 INTO DATA(WA_ICL_ITEMEQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICL_ITEMEQ>-CLIENT = 1.
<ICL_ITEMEQ>-ACTIVE = 1.
<ICL_ITEMEQ>-CLAIM = 1.
<ICL_ITEMEQ>-DAMAGEDOBJ = 1.
<ICL_ITEMEQ>-CHANGETIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICL_ITEMEQ-CHANGEDBY, sy-vline,
  WA_ICL_ITEMEQ-DELETED, sy-vline,
  WA_ICL_ITEMEQ-MAKE, sy-vline,
  WA_ICL_ITEMEQ-MODEL, sy-vline,
  WA_ICL_ITEMEQ-CONSTYEAR, sy-vline,
  WA_ICL_ITEMEQ-SERIALNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICL_ITEMEQ 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_ICL_ITEMEQ 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_ICL_ITEMEQ INTO WA_ICL_ITEMEQ.


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

*Conversion exit TSTAM, internal->external for field CHANGETIME
CALL FUNCTION 'CONVERSION_EXIT_TSTAM_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEQ-CHANGETIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEQ-CHANGETIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOCATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICL_ITEMEQ-LOCATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICL_ITEMEQ-LOCATION.
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_ICL_ITEMEQ_STR, 
CLIENT TYPE STRING,
ACTIVE TYPE STRING,
CLAIM TYPE STRING,
DAMAGEDOBJ TYPE STRING,
CHANGETIME TYPE STRING,
CHANGEDBY TYPE STRING,
DELETED TYPE STRING,
MAKE TYPE STRING,
MODEL TYPE STRING,
CONSTYEAR TYPE STRING,
SERIALNO TYPE STRING,
LOCATION TYPE STRING,
LOSSTYPE TYPE STRING,
PROPUSE TYPE STRING,
XDAMAGED TYPE STRING,
XRECOVERED TYPE STRING,
XPVENDOR TYPE STRING,
XSTOLEN TYPE STRING,
XRENTAL TYPE STRING,
OPERABLE TYPE STRING,
ESTREPAIRDATE TYPE STRING,
ACTREPAIRDATE TYPE STRING,
WHENSEEN TYPE STRING,
XTOTDAMAGE TYPE STRING,
XOWNERRET TYPE STRING,
EVALDATE TYPE STRING,
DETERMDATE TYPE STRING,
ESTACV TYPE STRING,
SALVVALUE TYPE STRING,
CURR TYPE STRING,
HISTRATE TYPE STRING,
ASSIGNDATE TYPE STRING,
RETRVDATE TYPE STRING,
SETTLEDATE TYPE STRING,
SOLDDATE TYPE STRING,
TITLERECV TYPE STRING,
NOTE TYPE STRING,
SEL_LOCATION TYPE STRING,
MAKENAME TYPE STRING,
MODELNAME TYPE STRING,
XSETINGM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICL_ITEMEQ_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_ICL_ITEMEQ_STR-CLIENT sy-vline 
WA_ICL_ITEMEQ_STR-ACTIVE sy-vline 
WA_ICL_ITEMEQ_STR-CLAIM sy-vline 
WA_ICL_ITEMEQ_STR-DAMAGEDOBJ sy-vline 
WA_ICL_ITEMEQ_STR-CHANGETIME sy-vline 
WA_ICL_ITEMEQ_STR-CHANGEDBY sy-vline 
WA_ICL_ITEMEQ_STR-DELETED sy-vline 
WA_ICL_ITEMEQ_STR-MAKE sy-vline 
WA_ICL_ITEMEQ_STR-MODEL sy-vline 
WA_ICL_ITEMEQ_STR-CONSTYEAR sy-vline 
WA_ICL_ITEMEQ_STR-SERIALNO sy-vline 
WA_ICL_ITEMEQ_STR-LOCATION sy-vline 
WA_ICL_ITEMEQ_STR-LOSSTYPE sy-vline 
WA_ICL_ITEMEQ_STR-PROPUSE sy-vline 
WA_ICL_ITEMEQ_STR-XDAMAGED sy-vline 
WA_ICL_ITEMEQ_STR-XRECOVERED sy-vline 
WA_ICL_ITEMEQ_STR-XPVENDOR sy-vline 
WA_ICL_ITEMEQ_STR-XSTOLEN sy-vline 
WA_ICL_ITEMEQ_STR-XRENTAL sy-vline 
WA_ICL_ITEMEQ_STR-OPERABLE sy-vline 
WA_ICL_ITEMEQ_STR-ESTREPAIRDATE sy-vline 
WA_ICL_ITEMEQ_STR-ACTREPAIRDATE sy-vline 
WA_ICL_ITEMEQ_STR-WHENSEEN sy-vline 
WA_ICL_ITEMEQ_STR-XTOTDAMAGE sy-vline 
WA_ICL_ITEMEQ_STR-XOWNERRET sy-vline 
WA_ICL_ITEMEQ_STR-EVALDATE sy-vline 
WA_ICL_ITEMEQ_STR-DETERMDATE sy-vline 
WA_ICL_ITEMEQ_STR-ESTACV sy-vline 
WA_ICL_ITEMEQ_STR-SALVVALUE sy-vline 
WA_ICL_ITEMEQ_STR-CURR sy-vline 
WA_ICL_ITEMEQ_STR-HISTRATE sy-vline 
WA_ICL_ITEMEQ_STR-ASSIGNDATE sy-vline 
WA_ICL_ITEMEQ_STR-RETRVDATE sy-vline 
WA_ICL_ITEMEQ_STR-SETTLEDATE sy-vline 
WA_ICL_ITEMEQ_STR-SOLDDATE sy-vline 
WA_ICL_ITEMEQ_STR-TITLERECV sy-vline 
WA_ICL_ITEMEQ_STR-NOTE sy-vline 
WA_ICL_ITEMEQ_STR-SEL_LOCATION sy-vline 
WA_ICL_ITEMEQ_STR-MAKENAME sy-vline 
WA_ICL_ITEMEQ_STR-MODELNAME sy-vline 
WA_ICL_ITEMEQ_STR-XSETINGM sy-vline      INTO ld_text SEPARATED BY SPACE.

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