ABAP Select data from SAP table CLOIMETLOG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CLOIMETLOG
*  INTO TABLE @DATA(IT_CLOIMETLOG2).
*--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_CLOIMETLOG INDEX 1 INTO DATA(WA_CLOIMETLOG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CLOIMETLOG>-INDX = 1.
<CLOIMETLOG>-LOGLEVEL = 1.
<CLOIMETLOG>-METHOD = 1.
<CLOIMETLOG>-OBJTYP = 1.
<CLOIMETLOG>-PLNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CLOIMETLOG-EXTPLNUM, sy-vline,
  WA_CLOIMETLOG-PLNFL, sy-vline,
  WA_CLOIMETLOG-AUFNR, sy-vline,
  WA_CLOIMETLOG-EXTAUFNR, sy-vline,
  WA_CLOIMETLOG-APLFL, sy-vline,
  WA_CLOIMETLOG-VORNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CLOIMETLOG 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_CLOIMETLOG 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_CLOIMETLOG INTO WA_CLOIMETLOG.


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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CLOIMETLOG-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CLOIMETLOG-VORNR.
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_CLOIMETLOG_STR, 
INDX TYPE STRING,
LOGLEVEL TYPE STRING,
METHOD TYPE STRING,
OBJTYP TYPE STRING,
PLNUM TYPE STRING,
EXTPLNUM TYPE STRING,
PLNFL TYPE STRING,
AUFNR TYPE STRING,
EXTAUFNR TYPE STRING,
APLFL TYPE STRING,
VORNR TYPE STRING,
OBJIDEXT TYPE STRING,
SUCC_CODE TYPE STRING,
WORST_S_C TYPE STRING,
FIRST_MSGL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CLOIMETLOG_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_CLOIMETLOG_STR-INDX sy-vline 
WA_CLOIMETLOG_STR-LOGLEVEL sy-vline 
WA_CLOIMETLOG_STR-METHOD sy-vline 
WA_CLOIMETLOG_STR-OBJTYP sy-vline 
WA_CLOIMETLOG_STR-PLNUM sy-vline 
WA_CLOIMETLOG_STR-EXTPLNUM sy-vline 
WA_CLOIMETLOG_STR-PLNFL sy-vline 
WA_CLOIMETLOG_STR-AUFNR sy-vline 
WA_CLOIMETLOG_STR-EXTAUFNR sy-vline 
WA_CLOIMETLOG_STR-APLFL sy-vline 
WA_CLOIMETLOG_STR-VORNR sy-vline 
WA_CLOIMETLOG_STR-OBJIDEXT sy-vline 
WA_CLOIMETLOG_STR-SUCC_CODE sy-vline 
WA_CLOIMETLOG_STR-WORST_S_C sy-vline 
WA_CLOIMETLOG_STR-FIRST_MSGL sy-vline      INTO ld_text SEPARATED BY SPACE.

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