ABAP Select data from SAP table /VSO/M_ALV_SHIP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /VSO/M_ALV_SHIP 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 /VSO/M_ALV_SHIP. 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 /VSO/M_ALV_SHIP 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_/VSO/M_ALV_SHIP TYPE STANDARD TABLE OF /VSO/M_ALV_SHIP,
      WA_/VSO/M_ALV_SHIP TYPE /VSO/M_ALV_SHIP,
      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: </VSO/M_ALV_SHIP> TYPE /VSO/M_ALV_SHIP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /VSO/M_ALV_SHIP
  INTO TABLE IT_/VSO/M_ALV_SHIP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /VSO/M_ALV_SHIP
*  INTO TABLE @DATA(IT_/VSO/M_ALV_SHIP2).
*--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_/VSO/M_ALV_SHIP INDEX 1 INTO DATA(WA_/VSO/M_ALV_SHIP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/VSO/M_ALV_SHIP ASSIGNING </VSO/M_ALV_SHIP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</VSO/M_ALV_SHIP>-TKNUM = 1.
</VSO/M_ALV_SHIP>-CHANGE = 1.
</VSO/M_ALV_SHIP>-LANGUAGE = 1.
</VSO/M_ALV_SHIP>-OPT_MOD = 1.
</VSO/M_ALV_SHIP>-REST_SEP = 1.

ENDLOOP.

LOOP AT IT_/VSO/M_ALV_SHIP INTO WA_/VSO/M_ALV_SHIP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/VSO/M_ALV_SHIP-WEIGHT_CHK, sy-vline,
  WA_/VSO/M_ALV_SHIP-CONTACT_COEF_CHK, sy-vline,
  WA_/VSO/M_ALV_SHIP-CONTACT_COEF, sy-vline,
  WA_/VSO/M_ALV_SHIP-UNLOAD_SEQ_CHK, sy-vline,
  WA_/VSO/M_ALV_SHIP-CALC_LAYER_CHK, sy-vline,
  WA_/VSO/M_ALV_SHIP-MAX_ITER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/VSO/M_ALV_SHIP 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_/VSO/M_ALV_SHIP 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_/VSO/M_ALV_SHIP INTO WA_/VSO/M_ALV_SHIP.


*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 CUNIT, internal->external for field ABM_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/VSO/M_ALV_SHIP-ABM_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/VSO/M_ALV_SHIP-ABM_UNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATNR_PAL_VEND
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/VSO/M_ALV_SHIP-MATNR_PAL_VEND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/VSO/M_ALV_SHIP-MATNR_PAL_VEND.
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_/VSO/M_ALV_SHIP_STR, 
TKNUM TYPE STRING,
CHANGE TYPE STRING,
LANGUAGE TYPE STRING,
OPT_MOD TYPE STRING,
REST_SEP TYPE STRING,
WEIGHT_CHK TYPE STRING,
CONTACT_COEF_CHK TYPE STRING,
CONTACT_COEF TYPE STRING,
UNLOAD_SEQ_CHK TYPE STRING,
CALC_LAYER_CHK TYPE STRING,
MAX_ITER TYPE STRING,
MAX_ITER_WO_IMPR TYPE STRING,
MAX_SECONDS TYPE STRING,
NO_GRAPHIC_CHK TYPE STRING,
LMH_CHK TYPE STRING,
DW_FORK TYPE STRING,
ABM_UNIT TYPE STRING,
ABM_CONV_Z TYPE STRING,
ABM_CONV_N TYPE STRING,
GEW_UNIT TYPE STRING,
GEW_CONV_Z TYPE STRING,
GEW_CONV_N TYPE STRING,
MEASURE_UNIT TYPE STRING,
VBELN TYPE STRING,
PAL_BIN_HGT TYPE STRING,
ONE_MAT TYPE STRING,
PACK_BY_MAT TYPE STRING,
ONE_SORT TYPE STRING,
INT_CUST_NO TYPE STRING,
AD_NAME1 TYPE STRING,
UNLOAD_SIDE_PREF TYPE STRING,
LD_PREF TYPE STRING,
CASGN TYPE STRING,
SHIP_TO TYPE STRING,
COMBINE TYPE STRING,
CUST_PAL TYPE STRING,
POSNR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
PKTYP TYPE STRING,
SRTMNT TYPE STRING,
LAENG TYPE STRING,
BREIT TYPE STRING,
HOEHE TYPE STRING,
LGMNG TYPE STRING,
BRGEW TYPE STRING,
LYR_PER_PAL_TRK TYPE STRING,
NO_PER_LYR_TRK TYPE STRING,
LYR_PER_PAL_TRL TYPE STRING,
NO_PER_LYR_TRL TYPE STRING,
LYR_PER_PAL_CUST TYPE STRING,
NO_PER_LYR_CUST TYPE STRING,
LYR_PER_PAL_VEND TYPE STRING,
NO_PER_LYR_VEND TYPE STRING,
TILT_IND TYPE STRING,
STACK_IND TYPE STRING,
BOTTOM_IND TYPE STRING,
TOP_IND TYPE STRING,
STACK_NO TYPE STRING,
PALLET_IND TYPE STRING,
MATNR_PAL_VEND TYPE STRING,
LOAD_SIDE_PREF TYPE STRING,
MAT_BAY_PREF TYPE STRING,
LANE_NUM TYPE STRING,
DLVR_ITEM_UOM TYPE STRING,
KZGVH_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/VSO/M_ALV_SHIP_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_/VSO/M_ALV_SHIP_STR-TKNUM sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CHANGE sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LANGUAGE sy-vline 
WA_/VSO/M_ALV_SHIP_STR-OPT_MOD sy-vline 
WA_/VSO/M_ALV_SHIP_STR-REST_SEP sy-vline 
WA_/VSO/M_ALV_SHIP_STR-WEIGHT_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CONTACT_COEF_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CONTACT_COEF sy-vline 
WA_/VSO/M_ALV_SHIP_STR-UNLOAD_SEQ_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CALC_LAYER_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MAX_ITER sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MAX_ITER_WO_IMPR sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MAX_SECONDS sy-vline 
WA_/VSO/M_ALV_SHIP_STR-NO_GRAPHIC_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LMH_CHK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-DW_FORK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-ABM_UNIT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-ABM_CONV_Z sy-vline 
WA_/VSO/M_ALV_SHIP_STR-ABM_CONV_N sy-vline 
WA_/VSO/M_ALV_SHIP_STR-GEW_UNIT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-GEW_CONV_Z sy-vline 
WA_/VSO/M_ALV_SHIP_STR-GEW_CONV_N sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MEASURE_UNIT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-VBELN sy-vline 
WA_/VSO/M_ALV_SHIP_STR-PAL_BIN_HGT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-ONE_MAT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-PACK_BY_MAT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-ONE_SORT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-INT_CUST_NO sy-vline 
WA_/VSO/M_ALV_SHIP_STR-AD_NAME1 sy-vline 
WA_/VSO/M_ALV_SHIP_STR-UNLOAD_SIDE_PREF sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LD_PREF sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CASGN sy-vline 
WA_/VSO/M_ALV_SHIP_STR-SHIP_TO sy-vline 
WA_/VSO/M_ALV_SHIP_STR-COMBINE sy-vline 
WA_/VSO/M_ALV_SHIP_STR-CUST_PAL sy-vline 
WA_/VSO/M_ALV_SHIP_STR-POSNR sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MATNR sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MAKTX sy-vline 
WA_/VSO/M_ALV_SHIP_STR-PKTYP sy-vline 
WA_/VSO/M_ALV_SHIP_STR-SRTMNT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LAENG sy-vline 
WA_/VSO/M_ALV_SHIP_STR-BREIT sy-vline 
WA_/VSO/M_ALV_SHIP_STR-HOEHE sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LGMNG sy-vline 
WA_/VSO/M_ALV_SHIP_STR-BRGEW sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LYR_PER_PAL_TRK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-NO_PER_LYR_TRK sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LYR_PER_PAL_TRL sy-vline 
WA_/VSO/M_ALV_SHIP_STR-NO_PER_LYR_TRL sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LYR_PER_PAL_CUST sy-vline 
WA_/VSO/M_ALV_SHIP_STR-NO_PER_LYR_CUST sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LYR_PER_PAL_VEND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-NO_PER_LYR_VEND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-TILT_IND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-STACK_IND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-BOTTOM_IND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-TOP_IND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-STACK_NO sy-vline 
WA_/VSO/M_ALV_SHIP_STR-PALLET_IND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MATNR_PAL_VEND sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LOAD_SIDE_PREF sy-vline 
WA_/VSO/M_ALV_SHIP_STR-MAT_BAY_PREF sy-vline 
WA_/VSO/M_ALV_SHIP_STR-LANE_NUM sy-vline 
WA_/VSO/M_ALV_SHIP_STR-DLVR_ITEM_UOM sy-vline 
WA_/VSO/M_ALV_SHIP_STR-KZGVH_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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