ABAP Select data from SAP table FUDCNS_FIDOCSEARCH_CRITERIA into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FUDCNS_FIDOCSEARCH_CRITERIA 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 FUDCNS_FIDOCSEARCH_CRITERIA. 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 FUDCNS_FIDOCSEARCH_CRITERIA 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_FUDCNS_FIDOCSEARCH_CRITERIA TYPE STANDARD TABLE OF FUDCNS_FIDOCSEARCH_CRITERIA,
      WA_FUDCNS_FIDOCSEARCH_CRITERIA TYPE FUDCNS_FIDOCSEARCH_CRITERIA,
      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: <FUDCNS_FIDOCSEARCH_CRITERIA> TYPE FUDCNS_FIDOCSEARCH_CRITERIA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FUDCNS_FIDOCSEARCH_CRITERIA
*  INTO TABLE @DATA(IT_FUDCNS_FIDOCSEARCH_CRITERIA2).
*--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_FUDCNS_FIDOCSEARCH_CRITERIA INDEX 1 INTO DATA(WA_FUDCNS_FIDOCSEARCH_CRITERIA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FUDCNS_FIDOCSEARCH_CRITERIA>-BUKRS = 1.
<FUDCNS_FIDOCSEARCH_CRITERIA>-BELNR = 1.
<FUDCNS_FIDOCSEARCH_CRITERIA>-GJAHR = 1.
<FUDCNS_FIDOCSEARCH_CRITERIA>-BLART = 1.
<FUDCNS_FIDOCSEARCH_CRITERIA>-BLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FUDCNS_FIDOCSEARCH_CRITERIA-BUDAT, sy-vline,
  WA_FUDCNS_FIDOCSEARCH_CRITERIA-MONAT, sy-vline,
  WA_FUDCNS_FIDOCSEARCH_CRITERIA-CPUDT, sy-vline,
  WA_FUDCNS_FIDOCSEARCH_CRITERIA-AEDAT, sy-vline,
  WA_FUDCNS_FIDOCSEARCH_CRITERIA-UPDDT, sy-vline,
  WA_FUDCNS_FIDOCSEARCH_CRITERIA-WWERT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FUDCNS_FIDOCSEARCH_CRITERIA 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_FUDCNS_FIDOCSEARCH_CRITERIA 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_FUDCNS_FIDOCSEARCH_CRITERIA INTO WA_FUDCNS_FIDOCSEARCH_CRITERIA.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FUDCNS_FIDOCSEARCH_CRITERIA-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDCNS_FIDOCSEARCH_CRITERIA-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field STJAH
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FUDCNS_FIDOCSEARCH_CRITERIA-STJAH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDCNS_FIDOCSEARCH_CRITERIA-STJAH.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_FUDCNS_FIDOCSEARCH_CRITERIA-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDCNS_FIDOCSEARCH_CRITERIA-WRBTR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ODNIT, internal->external for field XBLNR_ALT
CALL FUNCTION 'CONVERSION_EXIT_ODNIT_OUTPUT'
  EXPORTING
    input =                      WA_FUDCNS_FIDOCSEARCH_CRITERIA-XBLNR_ALT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FUDCNS_FIDOCSEARCH_CRITERIA-XBLNR_ALT.
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_FUDCNS_FIDOCSEARCH_CRITERIA_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BLART TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
MONAT TYPE STRING,
CPUDT TYPE STRING,
AEDAT TYPE STRING,
UPDDT TYPE STRING,
WWERT TYPE STRING,
USNAM TYPE STRING,
XBLNR TYPE STRING,
DBBLG TYPE STRING,
STBLG TYPE STRING,
STJAH TYPE STRING,
BKTXT TYPE STRING,
AWSYS TYPE STRING,
XREF1_HD TYPE STRING,
XREF2_HD TYPE STRING,
RLDNR TYPE STRING,
SAKNR TYPE STRING,
HKONT TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
VERIDOC_NO TYPE STRING,
STATUS TYPE STRING,
APPROVER TYPE STRING,
WRBTR TYPE STRING,
SGTXT TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PRCTR TYPE STRING,
XBLNR_ALT TYPE STRING,
ACCGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FUDCNS_FIDOCSEARCH_CRITERIA_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_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BUKRS sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BELNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-GJAHR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BLART sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BLDAT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BUDAT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-MONAT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-CPUDT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-AEDAT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-UPDDT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-WWERT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-USNAM sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-XBLNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-DBBLG sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-STBLG sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-STJAH sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-BKTXT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-AWSYS sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-XREF1_HD sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-XREF2_HD sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-RLDNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-SAKNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-HKONT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-KUNNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-LIFNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-VERIDOC_NO sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-STATUS sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-APPROVER sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-WRBTR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-SGTXT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-KOSTL sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-AUFNR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-PRCTR sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-XBLNR_ALT sy-vline 
WA_FUDCNS_FIDOCSEARCH_CRITERIA_STR-ACCGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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