ABAP Select data from SAP table ROIU_DO_JV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIU_DO_JV
*  INTO TABLE @DATA(IT_ROIU_DO_JV2).
*--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_ROIU_DO_JV INDEX 1 INTO DATA(WA_ROIU_DO_JV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIU_DO_JV>-MANDT = 1.
<ROIU_DO_JV>-BUKRS = 1.
<ROIU_DO_JV>-VNAME = 1.
<ROIU_DO_JV>-VNAME_INT_CD = 1.
<ROIU_DO_JV>-VNAME_NM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIU_DO_JV-SHTXT, sy-vline,
  WA_ROIU_DO_JV-STS_CODE, sy-vline,
  WA_ROIU_DO_JV-STS_EFF_DT, sy-vline,
  WA_ROIU_DO_JV-COUNTRY, sy-vline,
  WA_ROIU_DO_JV-PRI_GEO_LOC, sy-vline,
  WA_ROIU_DO_JV-SEC_GEO_LOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIU_DO_JV 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_ROIU_DO_JV 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_ROIU_DO_JV INTO WA_ROIU_DO_JV.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field OPERATOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIU_DO_JV-OPERATOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIU_DO_JV-OPERATOR.
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_ROIU_DO_JV_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
VNAME TYPE STRING,
VNAME_INT_CD TYPE STRING,
VNAME_NM TYPE STRING,
SHTXT TYPE STRING,
STS_CODE TYPE STRING,
STS_EFF_DT TYPE STRING,
COUNTRY TYPE STRING,
PRI_GEO_LOC TYPE STRING,
SEC_GEO_LOC TYPE STRING,
ACQ_DT TYPE STRING,
TYPE_CD TYPE STRING,
OLD_VNAME_NO TYPE STRING,
UNIT_FL TYPE STRING,
DOI_BY_TR_FL TYPE STRING,
DRL_FUND_FL TYPE STRING,
ONS_OFS_CD TYPE STRING,
ACQ_FROM_KUNNR TYPE STRING,
SLD_TO_KUNNR TYPE STRING,
LEG_DE_CMT_FL TYPE STRING,
FIELD TYPE STRING,
SPACE_ORD_NO TYPE STRING,
LPN_NO TYPE STRING,
DOI_PRT_FL TYPE STRING,
OIU_CRUSER TYPE STRING,
OIU_TIMESTAMP TYPE STRING,
XXDBACTION TYPE STRING,
BUTXT TYPE STRING,
VNAME_CREATE TYPE STRING,
VNAME_NM_CREATE TYPE STRING,
REF_BUKRS TYPE STRING,
REF_BUTXT TYPE STRING,
REF_VNAME TYPE STRING,
REF_VNAME_NM TYPE STRING,
VACTIVE TYPE STRING,
VNAME_INT_CD_DE TYPE STRING,
VNAME_STATUS_DE TYPE STRING,
TYPE_CD_DE TYPE STRING,
VTYPE TYPE STRING,
OPERATOR TYPE STRING,
OPER_NAME1 TYPE STRING,
FIELD_NM TYPE STRING,
MCOD1 TYPE STRING,
UN_VOL_FL TYPE STRING,
CNTRY_DE TYPE STRING,
PRI_GEO_DE TYPE STRING,
SEC_GEO_DE TYPE STRING,
ONS_OFS_DE TYPE STRING,
AQR_FROM_NAME1 TYPE STRING,
SOLD_TO_NAME1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIU_DO_JV_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_ROIU_DO_JV_STR-MANDT sy-vline 
WA_ROIU_DO_JV_STR-BUKRS sy-vline 
WA_ROIU_DO_JV_STR-VNAME sy-vline 
WA_ROIU_DO_JV_STR-VNAME_INT_CD sy-vline 
WA_ROIU_DO_JV_STR-VNAME_NM sy-vline 
WA_ROIU_DO_JV_STR-SHTXT sy-vline 
WA_ROIU_DO_JV_STR-STS_CODE sy-vline 
WA_ROIU_DO_JV_STR-STS_EFF_DT sy-vline 
WA_ROIU_DO_JV_STR-COUNTRY sy-vline 
WA_ROIU_DO_JV_STR-PRI_GEO_LOC sy-vline 
WA_ROIU_DO_JV_STR-SEC_GEO_LOC sy-vline 
WA_ROIU_DO_JV_STR-ACQ_DT sy-vline 
WA_ROIU_DO_JV_STR-TYPE_CD sy-vline 
WA_ROIU_DO_JV_STR-OLD_VNAME_NO sy-vline 
WA_ROIU_DO_JV_STR-UNIT_FL sy-vline 
WA_ROIU_DO_JV_STR-DOI_BY_TR_FL sy-vline 
WA_ROIU_DO_JV_STR-DRL_FUND_FL sy-vline 
WA_ROIU_DO_JV_STR-ONS_OFS_CD sy-vline 
WA_ROIU_DO_JV_STR-ACQ_FROM_KUNNR sy-vline 
WA_ROIU_DO_JV_STR-SLD_TO_KUNNR sy-vline 
WA_ROIU_DO_JV_STR-LEG_DE_CMT_FL sy-vline 
WA_ROIU_DO_JV_STR-FIELD sy-vline 
WA_ROIU_DO_JV_STR-SPACE_ORD_NO sy-vline 
WA_ROIU_DO_JV_STR-LPN_NO sy-vline 
WA_ROIU_DO_JV_STR-DOI_PRT_FL sy-vline 
WA_ROIU_DO_JV_STR-OIU_CRUSER sy-vline 
WA_ROIU_DO_JV_STR-OIU_TIMESTAMP sy-vline 
WA_ROIU_DO_JV_STR-XXDBACTION sy-vline 
WA_ROIU_DO_JV_STR-BUTXT sy-vline 
WA_ROIU_DO_JV_STR-VNAME_CREATE sy-vline 
WA_ROIU_DO_JV_STR-VNAME_NM_CREATE sy-vline 
WA_ROIU_DO_JV_STR-REF_BUKRS sy-vline 
WA_ROIU_DO_JV_STR-REF_BUTXT sy-vline 
WA_ROIU_DO_JV_STR-REF_VNAME sy-vline 
WA_ROIU_DO_JV_STR-REF_VNAME_NM sy-vline 
WA_ROIU_DO_JV_STR-VACTIVE sy-vline 
WA_ROIU_DO_JV_STR-VNAME_INT_CD_DE sy-vline 
WA_ROIU_DO_JV_STR-VNAME_STATUS_DE sy-vline 
WA_ROIU_DO_JV_STR-TYPE_CD_DE sy-vline 
WA_ROIU_DO_JV_STR-VTYPE sy-vline 
WA_ROIU_DO_JV_STR-OPERATOR sy-vline 
WA_ROIU_DO_JV_STR-OPER_NAME1 sy-vline 
WA_ROIU_DO_JV_STR-FIELD_NM sy-vline 
WA_ROIU_DO_JV_STR-MCOD1 sy-vline 
WA_ROIU_DO_JV_STR-UN_VOL_FL sy-vline 
WA_ROIU_DO_JV_STR-CNTRY_DE sy-vline 
WA_ROIU_DO_JV_STR-PRI_GEO_DE sy-vline 
WA_ROIU_DO_JV_STR-SEC_GEO_DE sy-vline 
WA_ROIU_DO_JV_STR-ONS_OFS_DE sy-vline 
WA_ROIU_DO_JV_STR-AQR_FROM_NAME1 sy-vline 
WA_ROIU_DO_JV_STR-SOLD_TO_NAME1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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