ABAP Select data from SAP table UAIMPORT_SELECTIONS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UAIMPORT_SELECTIONS
*  INTO TABLE @DATA(IT_UAIMPORT_SELECTIONS2).
*--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_UAIMPORT_SELECTIONS INDEX 1 INTO DATA(WA_UAIMPORT_SELECTIONS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UAIMPORT_SELECTIONS>-WERKS = 1.
<UAIMPORT_SELECTIONS>-MATNR_FROM = 1.
<UAIMPORT_SELECTIONS>-MATNR_TO = 1.
<UAIMPORT_SELECTIONS>-BWKEY = 1.
<UAIMPORT_SELECTIONS>-BWTAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UAIMPORT_SELECTIONS-KOKRS, sy-vline,
  WA_UAIMPORT_SELECTIONS-KOSTL_FROM, sy-vline,
  WA_UAIMPORT_SELECTIONS-KOSTL_TO, sy-vline,
  WA_UAIMPORT_SELECTIONS-DATE_FROM, sy-vline,
  WA_UAIMPORT_SELECTIONS-DATE_TO, sy-vline,
  WA_UAIMPORT_SELECTIONS-LSTAR_FROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UAIMPORT_SELECTIONS 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_UAIMPORT_SELECTIONS 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_UAIMPORT_SELECTIONS INTO WA_UAIMPORT_SELECTIONS.


*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 MATN1, internal->external for field MATNR_FROM
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-MATNR_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-MATNR_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_TO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-MATNR_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-MATNR_TO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR_IR_FROM
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-MATNR_IR_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-MATNR_IR_FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_IR_TO
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-MATNR_IR_TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-MATNR_IR_TO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field UNIT_CO
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-UNIT_CO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-UNIT_CO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VENDOR_PIR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UAIMPORT_SELECTIONS-VENDOR_PIR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UAIMPORT_SELECTIONS-VENDOR_PIR.
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_UAIMPORT_SELECTIONS_STR, 
WERKS TYPE STRING,
MATNR_FROM TYPE STRING,
MATNR_TO TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,
KOKRS TYPE STRING,
KOSTL_FROM TYPE STRING,
KOSTL_TO TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
LSTAR_FROM TYPE STRING,
LSTAR_TO TYPE STRING,
GJAHR TYPE STRING,
PERIO_FROM TYPE STRING,
PERIO_TO TYPE STRING,
VERSN TYPE STRING,
KOKRS_BP TYPE STRING,
PRZNR_FROM TYPE STRING,
PRZNR_TO TYPE STRING,
DATE_FROM_BP TYPE STRING,
DATE_TO_BP TYPE STRING,
GJAHR_BP TYPE STRING,
PERIO_FROM_BP TYPE STRING,
PERIO_TO_BP TYPE STRING,
VERSN_BP TYPE STRING,
LIFNR_FROM TYPE STRING,
LIFNR_TO TYPE STRING,
EKORG_FROM TYPE STRING,
EKORG_TO TYPE STRING,
MATNR_IR_FROM TYPE STRING,
MATNR_IR_TO TYPE STRING,
PLANT_IR_FROM TYPE STRING,
PLANT_IR_TO TYPE STRING,
IR_TYPE_0 TYPE STRING,
IR_TYPE_1 TYPE STRING,
IR_TYPE_2 TYPE STRING,
IR_TYPE_3 TYPE STRING,
IR_TYPE_P TYPE STRING,
ASNUM_FROM TYPE STRING,
ASNUM_TO TYPE STRING,
KOKRS_S TYPE STRING,
DATE_FROM_S TYPE STRING,
DATE_TO_S TYPE STRING,
GJAHR_S TYPE STRING,
PERIO_FROM_S TYPE STRING,
PERIO_TO_S TYPE STRING,
IMPORT_MM TYPE STRING,
IMPORT_PO TYPE STRING,
VENDOR_PO TYPE STRING,
PURCH_ORG_PO TYPE STRING,
IMPORT_CO TYPE STRING,
DATE_FROM_CO TYPE STRING,
DATE_TO_CO TYPE STRING,
CURRENCY_CO TYPE STRING,
UNIT_CO TYPE STRING,
IMPORT_PIR TYPE STRING,
VENDOR_PIR TYPE STRING,
PURCH_ORG_PIR TYPE STRING,
INFO_TYPE_PIR TYPE STRING,
IMPORT_RFQ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UAIMPORT_SELECTIONS_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_UAIMPORT_SELECTIONS_STR-WERKS sy-vline 
WA_UAIMPORT_SELECTIONS_STR-MATNR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-MATNR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-BWKEY sy-vline 
WA_UAIMPORT_SELECTIONS_STR-BWTAR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-KOKRS sy-vline 
WA_UAIMPORT_SELECTIONS_STR-KOSTL_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-KOSTL_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-LSTAR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-LSTAR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-GJAHR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-VERSN sy-vline 
WA_UAIMPORT_SELECTIONS_STR-KOKRS_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PRZNR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PRZNR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_FROM_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_TO_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-GJAHR_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_FROM_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_TO_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-VERSN_BP sy-vline 
WA_UAIMPORT_SELECTIONS_STR-LIFNR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-LIFNR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-EKORG_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-EKORG_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-MATNR_IR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-MATNR_IR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PLANT_IR_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PLANT_IR_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IR_TYPE_0 sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IR_TYPE_1 sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IR_TYPE_2 sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IR_TYPE_3 sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IR_TYPE_P sy-vline 
WA_UAIMPORT_SELECTIONS_STR-ASNUM_FROM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-ASNUM_TO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-KOKRS_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_FROM_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_TO_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-GJAHR_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_FROM_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PERIO_TO_S sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IMPORT_MM sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IMPORT_PO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-VENDOR_PO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PURCH_ORG_PO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IMPORT_CO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_FROM_CO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-DATE_TO_CO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-CURRENCY_CO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-UNIT_CO sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IMPORT_PIR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-VENDOR_PIR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-PURCH_ORG_PIR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-INFO_TYPE_PIR sy-vline 
WA_UAIMPORT_SELECTIONS_STR-IMPORT_RFQ sy-vline      INTO ld_text SEPARATED BY SPACE.

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