ABAP Select data from SAP table FVD_BACP_I_LWO_CHK_CL_RS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_BACP_I_LWO_CHK_CL_RS
*  INTO TABLE @DATA(IT_FVD_BACP_I_LWO_CHK_CL_RS2).
*--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_FVD_BACP_I_LWO_CHK_CL_RS INDEX 1 INTO DATA(WA_FVD_BACP_I_LWO_CHK_CL_RS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_BACP_I_LWO_CHK_CL_RS>-MESSAGE_HEADER = 1.
<FVD_BACP_I_LWO_CHK_CL_RS>-ID = 1.
<FVD_BACP_I_LWO_CHK_CL_RS>-SCHEME_ID = 1.
<FVD_BACP_I_LWO_CHK_CL_RS>-SCHEME_AGENCY_ID = 1.
<FVD_BACP_I_LWO_CHK_CL_RS>-SCHEME_AGENCY_SCHEME_AGENCY_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_BACP_I_LWO_CHK_CL_RS-CONTENT, sy-vline,
  WA_FVD_BACP_I_LWO_CHK_CL_RS-UUID, sy-vline,
  WA_FVD_BACP_I_LWO_CHK_CL_RS-SCHEME_ID, sy-vline,
  WA_FVD_BACP_I_LWO_CHK_CL_RS-SCHEME_AGENCY_ID, sy-vline,
  WA_FVD_BACP_I_LWO_CHK_CL_RS-CONTENT, sy-vline,
  WA_FVD_BACP_I_LWO_CHK_CL_RS-REFERENCE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_BACP_I_LWO_CHK_CL_RS 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_FVD_BACP_I_LWO_CHK_CL_RS 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_FVD_BACP_I_LWO_CHK_CL_RS INTO WA_FVD_BACP_I_LWO_CHK_CL_RS.


*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 RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FVD_BACP_I_LWO_CHK_CL_RS-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FVD_BACP_I_LWO_CHK_CL_RS-RANL.
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_FVD_BACP_I_LWO_CHK_CL_RS_STR, 
MESSAGE_HEADER TYPE STRING,
ID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
UUID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_ID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
SCHEME_AGENCY_SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
REFERENCE_UUID TYPE STRING,
SCHEME_ID TYPE STRING,
SCHEME_AGENCY_ID TYPE STRING,
CONTENT TYPE STRING,
CREATION_DATE_TIME TYPE STRING,
SENDER_BUSINESS_SYSTEM_ID TYPE STRING,
RECIPIENT_BUSINESS_SYSTEM_ID TYPE STRING,
BO TYPE STRING,
VDBOHEAD TYPE STRING,
MANDT TYPE STRING,
BUKRS TYPE STRING,
SARCHIV TYPE STRING,
RANL TYPE STRING,
RBO TYPE STRING,
SBO_CAT TYPE STRING,
SBO_STATUS TYPE STRING,
SFGKZ TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
XBO_TEXT TYPE STRING,
BMIWR TYPE STRING,
SANTWHR TYPE STRING,
DFAELL TYPE STRING,
SBOTERM TYPE STRING,
SREFCONCEPT TYPE STRING,
BCWHR TYPE STRING,
SCWHR TYPE STRING,
SRELSTAT TYPE STRING,
BPCA_ID TYPE STRING,
BPCA_TYPE_CODE TYPE STRING,
VDBEPP TYPE STRING,
VDBEKI TYPE STRING,
VDBEPI TYPE STRING,
VDBEKI_REV TYPE STRING,
RVZZBEPP TYPE STRING,
LOG TYPE STRING,
MAXIMUM_LOG_ITEM_SEVERITY_CODE TYPE STRING,
BUS_DOC_PROCESSING_RESULT_CODE TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_BACP_I_LWO_CHK_CL_RS_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_FVD_BACP_I_LWO_CHK_CL_RS_STR-MESSAGE_HEADER sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-CONTENT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-UUID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-CONTENT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-REFERENCE_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-CONTENT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-REFERENCE_UUID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCHEME_AGENCY_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-CONTENT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-CREATION_DATE_TIME sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SENDER_BUSINESS_SYSTEM_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RECIPIENT_BUSINESS_SYSTEM_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BO sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-VDBOHEAD sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-MANDT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BUKRS sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SARCHIV sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RANL sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RBO sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SBO_CAT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SBO_STATUS sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SFGKZ sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RERF sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-DERF sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-TERF sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-REHER sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RBEAR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-DBEAR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-TBEAR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RBHER sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-XBO_TEXT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BMIWR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SANTWHR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-DFAELL sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SBOTERM sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SREFCONCEPT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BCWHR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SCWHR sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-SRELSTAT sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BPCA_ID sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BPCA_TYPE_CODE sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-VDBEPP sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-VDBEKI sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-VDBEPI sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-VDBEKI_REV sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-RVZZBEPP sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-LOG sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-MAXIMUM_LOG_ITEM_SEVERITY_CODE sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-BUS_DOC_PROCESSING_RESULT_CODE sy-vline 
WA_FVD_BACP_I_LWO_CHK_CL_RS_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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