ABAP Select data from SAP table ROIKOIGS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIKOIGS
*  INTO TABLE @DATA(IT_ROIKOIGS2).
*--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_ROIKOIGS INDEX 1 INTO DATA(WA_ROIKOIGS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIKOIGS>-CLIENT = 1.
<ROIKOIGS>-SHNUMBER = 1.
<ROIKOIGS>-SHTYPE = 1.
<ROIKOIGS>-XBLNR = 1.
<ROIKOIGS>-VEH_MODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIKOIGS-VMRQT, sy-vline,
  WA_ROIKOIGS-CPLID, sy-vline,
  WA_ROIKOIGS-CHKCMP_P_C, sy-vline,
  WA_ROIKOIGS-CHKCMP_V_C, sy-vline,
  WA_ROIKOIGS-PART_DC, sy-vline,
  WA_ROIKOIGS-UOMID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIKOIGS 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_ROIKOIGS 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_ROIKOIGS INTO WA_ROIKOIGS.


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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CURR_VEH_SCREL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIKOIGS-CURR_VEH_SCREL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIKOIGS-CURR_VEH_SCREL.
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_ROIKOIGS_STR, 
CLIENT TYPE STRING,
SHNUMBER TYPE STRING,
SHTYPE TYPE STRING,
XBLNR TYPE STRING,
VEH_MODE TYPE STRING,
VMRQT TYPE STRING,
CPLID TYPE STRING,
CHKCMP_P_C TYPE STRING,
CHKCMP_V_C TYPE STRING,
PART_DC TYPE STRING,
UOMID TYPE STRING,
CFBLL TYPE STRING,
INPGP TYPE STRING,
WGT_UOM TYPE STRING,
VOL_UOM TYPE STRING,
NR_DECV TYPE STRING,
NR_DECW TYPE STRING,
VOLA_UOM TYPE STRING,
VOLC_UOM TYPE STRING,
OVLD_WRNG TYPE STRING,
OIG_DLNMCK TYPE STRING,
SCHUND TYPE STRING,
SCHOVR TYPE STRING,
LOAUND TYPE STRING,
LOAOVR TYPE STRING,
DELUND TYPE STRING,
DELOVR TYPE STRING,
EV_SEQ_UNI TYPE STRING,
EV_GROUP TYPE STRING,
SHFT_MNT TYPE STRING,
CHK_OVL TYPE STRING,
VCLOSE TYPE STRING,
VBALNC TYPE STRING,
GLPST TYPE STRING,
EXCH_SCH TYPE STRING,
FFTYP TYPE STRING,
EXGASS TYPE STRING,
BWART TYPE STRING,
VSART TYPE STRING,
EXCH_LOAD TYPE STRING,
EXCH_CHECK TYPE STRING,
AUSTGASGN TYPE STRING,
FKART TYPE STRING,
FRKRL TYPE STRING,
FRKRL_STR TYPE STRING,
FRKRL_UMP TYPE STRING,
FRKRL_GRP TYPE STRING,
FRKRL_VEH TYPE STRING,
SCLDTYPE TYPE STRING,
CPL_CUSFNT TYPE STRING,
NEW_COMP TYPE STRING,
CHGDOCS TYPE STRING,
PROLI TYPE STRING,
DGTLOCK TYPE STRING,
DGMDDAT TYPE STRING,
CONT_DG TYPE STRING,
C_SHTYP TYPE STRING,
TPLST TYPE STRING,
ROUTE TYPE STRING,
CARRIER TYPE STRING,
CRE_NAME TYPE STRING,
CRE_DATE TYPE STRING,
CRE_TIME TYPE STRING,
CHA_NAME TYPE STRING,
CHA_DATE TYPE STRING,
CHA_TIME TYPE STRING,
OIG_SSTSF TYPE STRING,
SCHED_STDT TYPE STRING,
SCHED_STTM TYPE STRING,
LOAD_STDT TYPE STRING,
LOAD_STTM TYPE STRING,
LOAD_EDDT TYPE STRING,
LOAD_EDTM TYPE STRING,
DEL_STDT TYPE STRING,
DEL_STTM TYPE STRING,
DEL_EDDT TYPE STRING,
DEL_EDTM TYPE STRING,
LOAD_STDTA TYPE STRING,
LOAD_STTMA TYPE STRING,
LOAD_EDDTA TYPE STRING,
LOAD_EDTMA TYPE STRING,
DEL_STDTA TYPE STRING,
DEL_STTMA TYPE STRING,
DEL_EDDTA TYPE STRING,
DEL_EDTMA TYPE STRING,
FBSTA TYPE STRING,
FBGST TYPE STRING,
ARSTA TYPE STRING,
ARGST TYPE STRING,
FRKRL_SHP TYPE STRING,
SKALSM TYPE STRING,
TSWUSEIND TYPE STRING,
CHG_REASON TYPE STRING,
SHSTA_SCD TYPE STRING,
SHSELECT TYPE STRING,
TRIP TYPE STRING,
VEHICLE TYPE STRING,
SHIFT TYPE STRING,
VEH_SCREL TYPE STRING,
CURR_TRIP TYPE STRING,
CURR_VEHICLE TYPE STRING,
OLD_VEHICLE TYPE STRING,
CURR_DRIVER TYPE STRING,
CURR_SHIFT TYPE STRING,
VOLUME TYPE STRING,
CURR_CHG_REASON TYPE STRING,
CURR_VEH_SCREL TYPE STRING,
CURR_LOADDATE TYPE STRING,
LOADDATE TYPE STRING,
UPD_TRIP TYPE STRING,
UPD_SHIFT TYPE STRING,
UPD_CHG_REASON TYPE STRING,
UPD_VEH_SCREL TYPE STRING,
UPD_CUST_CHG TYPE STRING,
UPD_LOADDATE TYPE STRING,
UPD_DRIVER TYPE STRING,
UPD_VEHICLE TYPE STRING,
UPD_HEADER TYPE STRING,
UPD_FLAG TYPE STRING,
EXT_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIKOIGS_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_ROIKOIGS_STR-CLIENT sy-vline 
WA_ROIKOIGS_STR-SHNUMBER sy-vline 
WA_ROIKOIGS_STR-SHTYPE sy-vline 
WA_ROIKOIGS_STR-XBLNR sy-vline 
WA_ROIKOIGS_STR-VEH_MODE sy-vline 
WA_ROIKOIGS_STR-VMRQT sy-vline 
WA_ROIKOIGS_STR-CPLID sy-vline 
WA_ROIKOIGS_STR-CHKCMP_P_C sy-vline 
WA_ROIKOIGS_STR-CHKCMP_V_C sy-vline 
WA_ROIKOIGS_STR-PART_DC sy-vline 
WA_ROIKOIGS_STR-UOMID sy-vline 
WA_ROIKOIGS_STR-CFBLL sy-vline 
WA_ROIKOIGS_STR-INPGP sy-vline 
WA_ROIKOIGS_STR-WGT_UOM sy-vline 
WA_ROIKOIGS_STR-VOL_UOM sy-vline 
WA_ROIKOIGS_STR-NR_DECV sy-vline 
WA_ROIKOIGS_STR-NR_DECW sy-vline 
WA_ROIKOIGS_STR-VOLA_UOM sy-vline 
WA_ROIKOIGS_STR-VOLC_UOM sy-vline 
WA_ROIKOIGS_STR-OVLD_WRNG sy-vline 
WA_ROIKOIGS_STR-OIG_DLNMCK sy-vline 
WA_ROIKOIGS_STR-SCHUND sy-vline 
WA_ROIKOIGS_STR-SCHOVR sy-vline 
WA_ROIKOIGS_STR-LOAUND sy-vline 
WA_ROIKOIGS_STR-LOAOVR sy-vline 
WA_ROIKOIGS_STR-DELUND sy-vline 
WA_ROIKOIGS_STR-DELOVR sy-vline 
WA_ROIKOIGS_STR-EV_SEQ_UNI sy-vline 
WA_ROIKOIGS_STR-EV_GROUP sy-vline 
WA_ROIKOIGS_STR-SHFT_MNT sy-vline 
WA_ROIKOIGS_STR-CHK_OVL sy-vline 
WA_ROIKOIGS_STR-VCLOSE sy-vline 
WA_ROIKOIGS_STR-VBALNC sy-vline 
WA_ROIKOIGS_STR-GLPST sy-vline 
WA_ROIKOIGS_STR-EXCH_SCH sy-vline 
WA_ROIKOIGS_STR-FFTYP sy-vline 
WA_ROIKOIGS_STR-EXGASS sy-vline 
WA_ROIKOIGS_STR-BWART sy-vline 
WA_ROIKOIGS_STR-VSART sy-vline 
WA_ROIKOIGS_STR-EXCH_LOAD sy-vline 
WA_ROIKOIGS_STR-EXCH_CHECK sy-vline 
WA_ROIKOIGS_STR-AUSTGASGN sy-vline 
WA_ROIKOIGS_STR-FKART sy-vline 
WA_ROIKOIGS_STR-FRKRL sy-vline 
WA_ROIKOIGS_STR-FRKRL_STR sy-vline 
WA_ROIKOIGS_STR-FRKRL_UMP sy-vline 
WA_ROIKOIGS_STR-FRKRL_GRP sy-vline 
WA_ROIKOIGS_STR-FRKRL_VEH sy-vline 
WA_ROIKOIGS_STR-SCLDTYPE sy-vline 
WA_ROIKOIGS_STR-CPL_CUSFNT sy-vline 
WA_ROIKOIGS_STR-NEW_COMP sy-vline 
WA_ROIKOIGS_STR-CHGDOCS sy-vline 
WA_ROIKOIGS_STR-PROLI sy-vline 
WA_ROIKOIGS_STR-DGTLOCK sy-vline 
WA_ROIKOIGS_STR-DGMDDAT sy-vline 
WA_ROIKOIGS_STR-CONT_DG sy-vline 
WA_ROIKOIGS_STR-C_SHTYP sy-vline 
WA_ROIKOIGS_STR-TPLST sy-vline 
WA_ROIKOIGS_STR-ROUTE sy-vline 
WA_ROIKOIGS_STR-CARRIER sy-vline 
WA_ROIKOIGS_STR-CRE_NAME sy-vline 
WA_ROIKOIGS_STR-CRE_DATE sy-vline 
WA_ROIKOIGS_STR-CRE_TIME sy-vline 
WA_ROIKOIGS_STR-CHA_NAME sy-vline 
WA_ROIKOIGS_STR-CHA_DATE sy-vline 
WA_ROIKOIGS_STR-CHA_TIME sy-vline 
WA_ROIKOIGS_STR-OIG_SSTSF sy-vline 
WA_ROIKOIGS_STR-SCHED_STDT sy-vline 
WA_ROIKOIGS_STR-SCHED_STTM sy-vline 
WA_ROIKOIGS_STR-LOAD_STDT sy-vline 
WA_ROIKOIGS_STR-LOAD_STTM sy-vline 
WA_ROIKOIGS_STR-LOAD_EDDT sy-vline 
WA_ROIKOIGS_STR-LOAD_EDTM sy-vline 
WA_ROIKOIGS_STR-DEL_STDT sy-vline 
WA_ROIKOIGS_STR-DEL_STTM sy-vline 
WA_ROIKOIGS_STR-DEL_EDDT sy-vline 
WA_ROIKOIGS_STR-DEL_EDTM sy-vline 
WA_ROIKOIGS_STR-LOAD_STDTA sy-vline 
WA_ROIKOIGS_STR-LOAD_STTMA sy-vline 
WA_ROIKOIGS_STR-LOAD_EDDTA sy-vline 
WA_ROIKOIGS_STR-LOAD_EDTMA sy-vline 
WA_ROIKOIGS_STR-DEL_STDTA sy-vline 
WA_ROIKOIGS_STR-DEL_STTMA sy-vline 
WA_ROIKOIGS_STR-DEL_EDDTA sy-vline 
WA_ROIKOIGS_STR-DEL_EDTMA sy-vline 
WA_ROIKOIGS_STR-FBSTA sy-vline 
WA_ROIKOIGS_STR-FBGST sy-vline 
WA_ROIKOIGS_STR-ARSTA sy-vline 
WA_ROIKOIGS_STR-ARGST sy-vline 
WA_ROIKOIGS_STR-FRKRL_SHP sy-vline 
WA_ROIKOIGS_STR-SKALSM sy-vline 
WA_ROIKOIGS_STR-TSWUSEIND sy-vline 
WA_ROIKOIGS_STR-CHG_REASON sy-vline 
WA_ROIKOIGS_STR-SHSTA_SCD sy-vline 
WA_ROIKOIGS_STR-SHSELECT sy-vline 
WA_ROIKOIGS_STR-TRIP sy-vline 
WA_ROIKOIGS_STR-VEHICLE sy-vline 
WA_ROIKOIGS_STR-SHIFT sy-vline 
WA_ROIKOIGS_STR-VEH_SCREL sy-vline 
WA_ROIKOIGS_STR-CURR_TRIP sy-vline 
WA_ROIKOIGS_STR-CURR_VEHICLE sy-vline 
WA_ROIKOIGS_STR-OLD_VEHICLE sy-vline 
WA_ROIKOIGS_STR-CURR_DRIVER sy-vline 
WA_ROIKOIGS_STR-CURR_SHIFT sy-vline 
WA_ROIKOIGS_STR-VOLUME sy-vline 
WA_ROIKOIGS_STR-CURR_CHG_REASON sy-vline 
WA_ROIKOIGS_STR-CURR_VEH_SCREL sy-vline 
WA_ROIKOIGS_STR-CURR_LOADDATE sy-vline 
WA_ROIKOIGS_STR-LOADDATE sy-vline 
WA_ROIKOIGS_STR-UPD_TRIP sy-vline 
WA_ROIKOIGS_STR-UPD_SHIFT sy-vline 
WA_ROIKOIGS_STR-UPD_CHG_REASON sy-vline 
WA_ROIKOIGS_STR-UPD_VEH_SCREL sy-vline 
WA_ROIKOIGS_STR-UPD_CUST_CHG sy-vline 
WA_ROIKOIGS_STR-UPD_LOADDATE sy-vline 
WA_ROIKOIGS_STR-UPD_DRIVER sy-vline 
WA_ROIKOIGS_STR-UPD_VEHICLE sy-vline 
WA_ROIKOIGS_STR-UPD_HEADER sy-vline 
WA_ROIKOIGS_STR-UPD_FLAG sy-vline 
WA_ROIKOIGS_STR-EXT_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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