ABAP Select data from SAP table V_GLT0_INT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_GLT0_INT 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 V_GLT0_INT. 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 V_GLT0_INT 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_V_GLT0_INT TYPE STANDARD TABLE OF V_GLT0_INT,
      WA_V_GLT0_INT TYPE V_GLT0_INT,
      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: <V_GLT0_INT> TYPE V_GLT0_INT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_GLT0_INT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_GLT0_INT
  INTO TABLE IT_V_GLT0_INT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_GLT0_INT
*  INTO TABLE @DATA(IT_V_GLT0_INT2).
*--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_V_GLT0_INT INDEX 1 INTO DATA(WA_V_GLT0_INT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_GLT0_INT ASSIGNING <V_GLT0_INT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_GLT0_INT>-RCLNT = 1.
<V_GLT0_INT>-RLDNR = 1.
<V_GLT0_INT>-RRCTY = 1.
<V_GLT0_INT>-RVERS = 1.
<V_GLT0_INT>-BUKRS = 1.

ENDLOOP.

LOOP AT IT_V_GLT0_INT INTO WA_V_GLT0_INT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_GLT0_INT-RYEAR, sy-vline,
  WA_V_GLT0_INT-RACCT, sy-vline,
  WA_V_GLT0_INT-RBUSA, sy-vline,
  WA_V_GLT0_INT-RTCUR, sy-vline,
  WA_V_GLT0_INT-DRCRK, sy-vline,
  WA_V_GLT0_INT-RPMAX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_GLT0_INT 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_V_GLT0_INT 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_V_GLT0_INT INTO WA_V_GLT0_INT.


*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 RLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_GLT0_INT-RLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_GLT0_INT-RLDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RVERS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_GLT0_INT-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_GLT0_INT-RVERS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_V_GLT0_INT-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_GLT0_INT-RYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_GLT0_INT-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_GLT0_INT-RACCT.
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_V_GLT0_INT_STR, 
RCLNT TYPE STRING,
RLDNR TYPE STRING,
RRCTY TYPE STRING,
RVERS TYPE STRING,
BUKRS TYPE STRING,
RYEAR TYPE STRING,
RACCT TYPE STRING,
RBUSA TYPE STRING,
RTCUR TYPE STRING,
DRCRK TYPE STRING,
RPMAX TYPE STRING,
TSLVT TYPE STRING,
TSL01 TYPE STRING,
TSL02 TYPE STRING,
TSL03 TYPE STRING,
TSL04 TYPE STRING,
TSL05 TYPE STRING,
TSL06 TYPE STRING,
TSL07 TYPE STRING,
TSL08 TYPE STRING,
TSL09 TYPE STRING,
TSL10 TYPE STRING,
TSL11 TYPE STRING,
TSL12 TYPE STRING,
TSL13 TYPE STRING,
TSL14 TYPE STRING,
TSL15 TYPE STRING,
TSL16 TYPE STRING,
HSLVT TYPE STRING,
HSL01 TYPE STRING,
HSL02 TYPE STRING,
HSL03 TYPE STRING,
HSL04 TYPE STRING,
HSL05 TYPE STRING,
HSL06 TYPE STRING,
HSL07 TYPE STRING,
HSL08 TYPE STRING,
HSL09 TYPE STRING,
HSL10 TYPE STRING,
HSL11 TYPE STRING,
HSL12 TYPE STRING,
HSL13 TYPE STRING,
HSL14 TYPE STRING,
HSL15 TYPE STRING,
HSL16 TYPE STRING,
CSPRED TYPE STRING,
KSLVT TYPE STRING,
KSL01 TYPE STRING,
KSL02 TYPE STRING,
KSL03 TYPE STRING,
KSL04 TYPE STRING,
KSL05 TYPE STRING,
KSL06 TYPE STRING,
KSL07 TYPE STRING,
KSL08 TYPE STRING,
KSL09 TYPE STRING,
KSL10 TYPE STRING,
KSL11 TYPE STRING,
KSL12 TYPE STRING,
KSL13 TYPE STRING,
KSL14 TYPE STRING,
KSL15 TYPE STRING,
KSL16 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_GLT0_INT_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_V_GLT0_INT_STR-RCLNT sy-vline 
WA_V_GLT0_INT_STR-RLDNR sy-vline 
WA_V_GLT0_INT_STR-RRCTY sy-vline 
WA_V_GLT0_INT_STR-RVERS sy-vline 
WA_V_GLT0_INT_STR-BUKRS sy-vline 
WA_V_GLT0_INT_STR-RYEAR sy-vline 
WA_V_GLT0_INT_STR-RACCT sy-vline 
WA_V_GLT0_INT_STR-RBUSA sy-vline 
WA_V_GLT0_INT_STR-RTCUR sy-vline 
WA_V_GLT0_INT_STR-DRCRK sy-vline 
WA_V_GLT0_INT_STR-RPMAX sy-vline 
WA_V_GLT0_INT_STR-TSLVT sy-vline 
WA_V_GLT0_INT_STR-TSL01 sy-vline 
WA_V_GLT0_INT_STR-TSL02 sy-vline 
WA_V_GLT0_INT_STR-TSL03 sy-vline 
WA_V_GLT0_INT_STR-TSL04 sy-vline 
WA_V_GLT0_INT_STR-TSL05 sy-vline 
WA_V_GLT0_INT_STR-TSL06 sy-vline 
WA_V_GLT0_INT_STR-TSL07 sy-vline 
WA_V_GLT0_INT_STR-TSL08 sy-vline 
WA_V_GLT0_INT_STR-TSL09 sy-vline 
WA_V_GLT0_INT_STR-TSL10 sy-vline 
WA_V_GLT0_INT_STR-TSL11 sy-vline 
WA_V_GLT0_INT_STR-TSL12 sy-vline 
WA_V_GLT0_INT_STR-TSL13 sy-vline 
WA_V_GLT0_INT_STR-TSL14 sy-vline 
WA_V_GLT0_INT_STR-TSL15 sy-vline 
WA_V_GLT0_INT_STR-TSL16 sy-vline 
WA_V_GLT0_INT_STR-HSLVT sy-vline 
WA_V_GLT0_INT_STR-HSL01 sy-vline 
WA_V_GLT0_INT_STR-HSL02 sy-vline 
WA_V_GLT0_INT_STR-HSL03 sy-vline 
WA_V_GLT0_INT_STR-HSL04 sy-vline 
WA_V_GLT0_INT_STR-HSL05 sy-vline 
WA_V_GLT0_INT_STR-HSL06 sy-vline 
WA_V_GLT0_INT_STR-HSL07 sy-vline 
WA_V_GLT0_INT_STR-HSL08 sy-vline 
WA_V_GLT0_INT_STR-HSL09 sy-vline 
WA_V_GLT0_INT_STR-HSL10 sy-vline 
WA_V_GLT0_INT_STR-HSL11 sy-vline 
WA_V_GLT0_INT_STR-HSL12 sy-vline 
WA_V_GLT0_INT_STR-HSL13 sy-vline 
WA_V_GLT0_INT_STR-HSL14 sy-vline 
WA_V_GLT0_INT_STR-HSL15 sy-vline 
WA_V_GLT0_INT_STR-HSL16 sy-vline 
WA_V_GLT0_INT_STR-CSPRED sy-vline 
WA_V_GLT0_INT_STR-KSLVT sy-vline 
WA_V_GLT0_INT_STR-KSL01 sy-vline 
WA_V_GLT0_INT_STR-KSL02 sy-vline 
WA_V_GLT0_INT_STR-KSL03 sy-vline 
WA_V_GLT0_INT_STR-KSL04 sy-vline 
WA_V_GLT0_INT_STR-KSL05 sy-vline 
WA_V_GLT0_INT_STR-KSL06 sy-vline 
WA_V_GLT0_INT_STR-KSL07 sy-vline 
WA_V_GLT0_INT_STR-KSL08 sy-vline 
WA_V_GLT0_INT_STR-KSL09 sy-vline 
WA_V_GLT0_INT_STR-KSL10 sy-vline 
WA_V_GLT0_INT_STR-KSL11 sy-vline 
WA_V_GLT0_INT_STR-KSL12 sy-vline 
WA_V_GLT0_INT_STR-KSL13 sy-vline 
WA_V_GLT0_INT_STR-KSL14 sy-vline 
WA_V_GLT0_INT_STR-KSL15 sy-vline 
WA_V_GLT0_INT_STR-KSL16 sy-vline      INTO ld_text SEPARATED BY SPACE.

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