ABAP Select data from SAP table FMCAILOT_DISPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCAILOT_DISPL
*  INTO TABLE @DATA(IT_FMCAILOT_DISPL2).
*--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_FMCAILOT_DISPL INDEX 1 INTO DATA(WA_FMCAILOT_DISPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCAILOT_DISPL>-MARK = 1.
<FMCAILOT_DISPL>-ICON = 1.
<FMCAILOT_DISPL>-WORKICON = 1.
<FMCAILOT_DISPL>-STATE_TXT = 1.
<FMCAILOT_DISPL>-WORKSTATE_TXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCAILOT_DISPL-ACTION_TXT, sy-vline,
  WA_FMCAILOT_DISPL-TILE_ID_TXT, sy-vline,
  WA_FMCAILOT_DISPL-GPART_TXT, sy-vline,
  WA_FMCAILOT_DISPL-USER_TXT, sy-vline,
  WA_FMCAILOT_DISPL-MANDT, sy-vline,
  WA_FMCAILOT_DISPL-RPNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCAILOT_DISPL 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_FMCAILOT_DISPL 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_FMCAILOT_DISPL INTO WA_FMCAILOT_DISPL.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CHANGENR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMCAILOT_DISPL-CHANGENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCAILOT_DISPL-CHANGENR.
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_FMCAILOT_DISPL_STR, 
MARK TYPE STRING,
ICON TYPE STRING,
WORKICON TYPE STRING,
STATE_TXT TYPE STRING,
WORKSTATE_TXT TYPE STRING,
ACTION_TXT TYPE STRING,
TILE_ID_TXT TYPE STRING,
GPART_TXT TYPE STRING,
USER_TXT TYPE STRING,
MANDT TYPE STRING,
RPNUM TYPE STRING,
RPRCI TYPE STRING,
RPRDA TYPE STRING,
RPCAT TYPE STRING,
DEADT TYPE STRING,
DEMAN TYPE STRING,
DEOFF TYPE STRING,
WAERS TYPE STRING,
DEAGD TYPE STRING,
STTDT TYPE STRING,
ENDDT TYPE STRING,
NINST TYPE STRING,
VKONT TYPE STRING,
GPART TYPE STRING,
VTREF TYPE STRING,
DRCDT TYPE STRING,
BUKRS TYPE STRING,
DZINS TYPE STRING,
GZVER TYPE STRING,
FAEIN TYPE STRING,
DPUDT TYPE STRING,
DPUTM TYPE STRING,
C4EYE TYPE STRING,
C4EYP TYPE STRING,
SUBAP TYPE STRING,
OPBEL TYPE STRING,
BETRO TYPE STRING,
ERNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
CHANGENR TYPE STRING,
USERNAME TYPE STRING,
UDATE TYPE STRING,
UTIME TYPE STRING,
STATE TYPE STRING,
LOCK_USER TYPE STRING,
LOCK_LIMIT TYPE STRING,
WORKSTATE TYPE STRING,
RESUBMIT_DATE TYPE STRING,
WF_COUNT TYPE STRING,
LINECOLOR TYPE STRING,
HL_FNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCAILOT_DISPL_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_FMCAILOT_DISPL_STR-MARK sy-vline 
WA_FMCAILOT_DISPL_STR-ICON sy-vline 
WA_FMCAILOT_DISPL_STR-WORKICON sy-vline 
WA_FMCAILOT_DISPL_STR-STATE_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-WORKSTATE_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-ACTION_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-TILE_ID_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-GPART_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-USER_TXT sy-vline 
WA_FMCAILOT_DISPL_STR-MANDT sy-vline 
WA_FMCAILOT_DISPL_STR-RPNUM sy-vline 
WA_FMCAILOT_DISPL_STR-RPRCI sy-vline 
WA_FMCAILOT_DISPL_STR-RPRDA sy-vline 
WA_FMCAILOT_DISPL_STR-RPCAT sy-vline 
WA_FMCAILOT_DISPL_STR-DEADT sy-vline 
WA_FMCAILOT_DISPL_STR-DEMAN sy-vline 
WA_FMCAILOT_DISPL_STR-DEOFF sy-vline 
WA_FMCAILOT_DISPL_STR-WAERS sy-vline 
WA_FMCAILOT_DISPL_STR-DEAGD sy-vline 
WA_FMCAILOT_DISPL_STR-STTDT sy-vline 
WA_FMCAILOT_DISPL_STR-ENDDT sy-vline 
WA_FMCAILOT_DISPL_STR-NINST sy-vline 
WA_FMCAILOT_DISPL_STR-VKONT sy-vline 
WA_FMCAILOT_DISPL_STR-GPART sy-vline 
WA_FMCAILOT_DISPL_STR-VTREF sy-vline 
WA_FMCAILOT_DISPL_STR-DRCDT sy-vline 
WA_FMCAILOT_DISPL_STR-BUKRS sy-vline 
WA_FMCAILOT_DISPL_STR-DZINS sy-vline 
WA_FMCAILOT_DISPL_STR-GZVER sy-vline 
WA_FMCAILOT_DISPL_STR-FAEIN sy-vline 
WA_FMCAILOT_DISPL_STR-DPUDT sy-vline 
WA_FMCAILOT_DISPL_STR-DPUTM sy-vline 
WA_FMCAILOT_DISPL_STR-C4EYE sy-vline 
WA_FMCAILOT_DISPL_STR-C4EYP sy-vline 
WA_FMCAILOT_DISPL_STR-SUBAP sy-vline 
WA_FMCAILOT_DISPL_STR-OPBEL sy-vline 
WA_FMCAILOT_DISPL_STR-BETRO sy-vline 
WA_FMCAILOT_DISPL_STR-ERNAM sy-vline 
WA_FMCAILOT_DISPL_STR-CPUDT sy-vline 
WA_FMCAILOT_DISPL_STR-CPUTM sy-vline 
WA_FMCAILOT_DISPL_STR-CHANGENR sy-vline 
WA_FMCAILOT_DISPL_STR-USERNAME sy-vline 
WA_FMCAILOT_DISPL_STR-UDATE sy-vline 
WA_FMCAILOT_DISPL_STR-UTIME sy-vline 
WA_FMCAILOT_DISPL_STR-STATE sy-vline 
WA_FMCAILOT_DISPL_STR-LOCK_USER sy-vline 
WA_FMCAILOT_DISPL_STR-LOCK_LIMIT sy-vline 
WA_FMCAILOT_DISPL_STR-WORKSTATE sy-vline 
WA_FMCAILOT_DISPL_STR-RESUBMIT_DATE sy-vline 
WA_FMCAILOT_DISPL_STR-WF_COUNT sy-vline 
WA_FMCAILOT_DISPL_STR-LINECOLOR sy-vline 
WA_FMCAILOT_DISPL_STR-HL_FNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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