ABAP Select data from SAP table ILTSTGIRLTDDOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ILTSTGIRLTDDOC
*  INTO TABLE @DATA(IT_ILTSTGIRLTDDOC2).
*--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_ILTSTGIRLTDDOC INDEX 1 INTO DATA(WA_ILTSTGIRLTDDOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ILTSTGIRLTDDOC>-MANDT = 1.
<ILTSTGIRLTDDOC>-PRECEDINGDOCUMENT = 1.
<ILTSTGIRLTDDOC>-PRECEDINGDOCUMENTCATEGORY = 1.
<ILTSTGIRLTDDOC>-SUBSEQUENTDOCUMENT = 1.
<ILTSTGIRLTDDOC>-SUBSEQUENTDOCUMENTCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ILTSTGIRLTDDOC-SUBSEQUENTDOCUMENTITEM, sy-vline,
  WA_ILTSTGIRLTDDOC-CREATIONDATE, sy-vline,
  WA_ILTSTGIRLTDDOC-CREATIONTIME, sy-vline,
  WA_ILTSTGIRLTDDOC-MATERIALDOCUMENT, sy-vline,
  WA_ILTSTGIRLTDDOC-MATERIALDOCUMENTYEAR, sy-vline,
  WA_ILTSTGIRLTDDOC-RECEIVINGPLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ILTSTGIRLTDDOC 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_ILTSTGIRLTDDOC 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_ILTSTGIRLTDDOC INTO WA_ILTSTGIRLTDDOC.


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

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

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

*Conversion exit GJAHR, internal->external for field MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_ILTSTGIRLTDDOC-MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ILTSTGIRLTDDOC-MATERIALDOCUMENTYEAR.
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_ILTSTGIRLTDDOC_STR, 
MANDT TYPE STRING,
PRECEDINGDOCUMENT TYPE STRING,
PRECEDINGDOCUMENTCATEGORY TYPE STRING,
SUBSEQUENTDOCUMENT TYPE STRING,
SUBSEQUENTDOCUMENTCATEGORY TYPE STRING,
SUBSEQUENTDOCUMENTITEM TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
MATERIALDOCUMENT TYPE STRING,
MATERIALDOCUMENTYEAR TYPE STRING,
RECEIVINGPLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ILTSTGIRLTDDOC_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_ILTSTGIRLTDDOC_STR-MANDT sy-vline 
WA_ILTSTGIRLTDDOC_STR-PRECEDINGDOCUMENT sy-vline 
WA_ILTSTGIRLTDDOC_STR-PRECEDINGDOCUMENTCATEGORY sy-vline 
WA_ILTSTGIRLTDDOC_STR-SUBSEQUENTDOCUMENT sy-vline 
WA_ILTSTGIRLTDDOC_STR-SUBSEQUENTDOCUMENTCATEGORY sy-vline 
WA_ILTSTGIRLTDDOC_STR-SUBSEQUENTDOCUMENTITEM sy-vline 
WA_ILTSTGIRLTDDOC_STR-CREATIONDATE sy-vline 
WA_ILTSTGIRLTDDOC_STR-CREATIONTIME sy-vline 
WA_ILTSTGIRLTDDOC_STR-MATERIALDOCUMENT sy-vline 
WA_ILTSTGIRLTDDOC_STR-MATERIALDOCUMENTYEAR sy-vline 
WA_ILTSTGIRLTDDOC_STR-RECEIVINGPLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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