ABAP Select data from SAP table ROIUCI_VL_REC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ROIUCI_VL_REC
*  INTO TABLE @DATA(IT_ROIUCI_VL_REC2).
*--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_ROIUCI_VL_REC INDEX 1 INTO DATA(WA_ROIUCI_VL_REC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ROIUCI_VL_REC>-DOC_NO = 1.
<ROIUCI_VL_REC>-DOC_YEAR = 1.
<ROIUCI_VL_REC>-PU_VNAME = 1.
<ROIUCI_VL_REC>-CALC_TAXES_FL = 1.
<ROIUCI_VL_REC>-PU_MATNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ROIUCI_VL_REC-PU_NO, sy-vline,
  WA_ROIUCI_VL_REC-SYSTEM_SRCE_CD, sy-vline,
  WA_ROIUCI_VL_REC-SALE_DT, sy-vline,
  WA_ROIUCI_VL_REC-ACTL_GR_VL, sy-vline,
  WA_ROIUCI_VL_REC-ACTL_GR_VAL, sy-vline,
  WA_ROIUCI_VL_REC-TOT_GR_VL_U, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ROIUCI_VL_REC 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_ROIUCI_VL_REC 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_ROIUCI_VL_REC INTO WA_ROIUCI_VL_REC.


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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field COST_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ROIUCI_VL_REC-COST_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ROIUCI_VL_REC-COST_CENTER.
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_ROIUCI_VL_REC_STR, 
DOC_NO TYPE STRING,
DOC_YEAR TYPE STRING,
PU_VNAME TYPE STRING,
CALC_TAXES_FL TYPE STRING,
PU_MATNR TYPE STRING,
PU_NO TYPE STRING,
SYSTEM_SRCE_CD TYPE STRING,
SALE_DT TYPE STRING,
ACTL_GR_VL TYPE STRING,
ACTL_GR_VAL TYPE STRING,
TOT_GR_VL_U TYPE STRING,
ACTL_ENERGY TYPE STRING,
ENERGY_U TYPE STRING,
ACT_HEAT_VAL_FCT TYPE STRING,
HEAT_VAL_FCT_U TYPE STRING,
BUKRS TYPE STRING,
VNAME TYPE STRING,
DOI_NM TYPE STRING,
DOI_NO TYPE STRING,
MAJPD_CD TYPE STRING,
MATNR TYPE STRING,
MKCT_1 TYPE STRING,
MKCT_2 TYPE STRING,
MKCT_3 TYPE STRING,
MKCT_4 TYPE STRING,
MKCT_5 TYPE STRING,
MKCT_6 TYPE STRING,
MKCT_7 TYPE STRING,
MKCT_8 TYPE STRING,
MKCT_9 TYPE STRING,
MKCT_10 TYPE STRING,
MK_RMB_1 TYPE STRING,
MK_RMB_2 TYPE STRING,
MK_RMB_3 TYPE STRING,
MK_RMB_4 TYPE STRING,
MK_RMB_5 TYPE STRING,
MK_RMB_6 TYPE STRING,
MK_RMB_7 TYPE STRING,
MK_RMB_8 TYPE STRING,
MK_RMB_9 TYPE STRING,
MK_RMB_10 TYPE STRING,
CURR TYPE STRING,
TAX_AMT TYPE STRING,
REJ_RSN_CD TYPE STRING,
LAND1 TYPE STRING,
PRI_GEO_LOC TYPE STRING,
SEC_GEO_LOC TYPE STRING,
VL_TIMESTAMP TYPE STRING,
COST_CENTER TYPE STRING,
THEO_CND_TAX_FL TYPE STRING,
VNAME_TYPE_CD TYPE STRING,
ONS_OFFS_CD TYPE STRING,
ACCT_PERD_DT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ROIUCI_VL_REC_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_ROIUCI_VL_REC_STR-DOC_NO sy-vline 
WA_ROIUCI_VL_REC_STR-DOC_YEAR sy-vline 
WA_ROIUCI_VL_REC_STR-PU_VNAME sy-vline 
WA_ROIUCI_VL_REC_STR-CALC_TAXES_FL sy-vline 
WA_ROIUCI_VL_REC_STR-PU_MATNR sy-vline 
WA_ROIUCI_VL_REC_STR-PU_NO sy-vline 
WA_ROIUCI_VL_REC_STR-SYSTEM_SRCE_CD sy-vline 
WA_ROIUCI_VL_REC_STR-SALE_DT sy-vline 
WA_ROIUCI_VL_REC_STR-ACTL_GR_VL sy-vline 
WA_ROIUCI_VL_REC_STR-ACTL_GR_VAL sy-vline 
WA_ROIUCI_VL_REC_STR-TOT_GR_VL_U sy-vline 
WA_ROIUCI_VL_REC_STR-ACTL_ENERGY sy-vline 
WA_ROIUCI_VL_REC_STR-ENERGY_U sy-vline 
WA_ROIUCI_VL_REC_STR-ACT_HEAT_VAL_FCT sy-vline 
WA_ROIUCI_VL_REC_STR-HEAT_VAL_FCT_U sy-vline 
WA_ROIUCI_VL_REC_STR-BUKRS sy-vline 
WA_ROIUCI_VL_REC_STR-VNAME sy-vline 
WA_ROIUCI_VL_REC_STR-DOI_NM sy-vline 
WA_ROIUCI_VL_REC_STR-DOI_NO sy-vline 
WA_ROIUCI_VL_REC_STR-MAJPD_CD sy-vline 
WA_ROIUCI_VL_REC_STR-MATNR sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_1 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_2 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_3 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_4 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_5 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_6 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_7 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_8 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_9 sy-vline 
WA_ROIUCI_VL_REC_STR-MKCT_10 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_1 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_2 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_3 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_4 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_5 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_6 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_7 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_8 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_9 sy-vline 
WA_ROIUCI_VL_REC_STR-MK_RMB_10 sy-vline 
WA_ROIUCI_VL_REC_STR-CURR sy-vline 
WA_ROIUCI_VL_REC_STR-TAX_AMT sy-vline 
WA_ROIUCI_VL_REC_STR-REJ_RSN_CD sy-vline 
WA_ROIUCI_VL_REC_STR-LAND1 sy-vline 
WA_ROIUCI_VL_REC_STR-PRI_GEO_LOC sy-vline 
WA_ROIUCI_VL_REC_STR-SEC_GEO_LOC sy-vline 
WA_ROIUCI_VL_REC_STR-VL_TIMESTAMP sy-vline 
WA_ROIUCI_VL_REC_STR-COST_CENTER sy-vline 
WA_ROIUCI_VL_REC_STR-THEO_CND_TAX_FL sy-vline 
WA_ROIUCI_VL_REC_STR-VNAME_TYPE_CD sy-vline 
WA_ROIUCI_VL_REC_STR-ONS_OFFS_CD sy-vline 
WA_ROIUCI_VL_REC_STR-ACCT_PERD_DT sy-vline      INTO ld_text SEPARATED BY SPACE.

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