ABAP Select data from SAP table /BEV3/CHVBW_CTR1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV3/CHVBW_CTR1 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 /BEV3/CHVBW_CTR1. 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 /BEV3/CHVBW_CTR1 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_/BEV3/CHVBW_CTR1 TYPE STANDARD TABLE OF /BEV3/CHVBW_CTR1,
      WA_/BEV3/CHVBW_CTR1 TYPE /BEV3/CHVBW_CTR1,
      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: </BEV3/CHVBW_CTR1> TYPE /BEV3/CHVBW_CTR1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV3/CHVBW_CTR1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV3/CHVBW_CTR1
  INTO TABLE IT_/BEV3/CHVBW_CTR1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV3/CHVBW_CTR1
*  INTO TABLE @DATA(IT_/BEV3/CHVBW_CTR12).
*--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_/BEV3/CHVBW_CTR1 INDEX 1 INTO DATA(WA_/BEV3/CHVBW_CTR12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV3/CHVBW_CTR1 ASSIGNING </BEV3/CHVBW_CTR1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV3/CHVBW_CTR1>-MANDT = 1.
</BEV3/CHVBW_CTR1>-YVWDNR = 1.
</BEV3/CHVBW_CTR1>-DATETO = 1.
</BEV3/CHVBW_CTR1>-DATEFROM = 1.
</BEV3/CHVBW_CTR1>-CHORG = 1.

ENDLOOP.

LOOP AT IT_/BEV3/CHVBW_CTR1 INTO WA_/BEV3/CHVBW_CTR1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV3/CHVBW_CTR1-VWDART, sy-vline,
  WA_/BEV3/CHVBW_CTR1-MUSTER, sy-vline,
  WA_/BEV3/CHVBW_CTR1-CTR_BUKRS, sy-vline,
  WA_/BEV3/CHVBW_CTR1-CTR_VIEW, sy-vline,
  WA_/BEV3/CHVBW_CTR1-CLASS1, sy-vline,
  WA_/BEV3/CHVBW_CTR1-CLASS2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV3/CHVBW_CTR1 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_/BEV3/CHVBW_CTR1 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_/BEV3/CHVBW_CTR1 INTO WA_/BEV3/CHVBW_CTR1.


*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 ISOLA, internal->external for field LANGU_ORIGINAL
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-LANGU_ORIGINAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-LANGU_ORIGINAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OLD_CONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-OLD_CONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-OLD_CONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CTR_ACC_PARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-CTR_ACC_PARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-CTR_ACC_PARTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CTR_OBJECT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-CTR_OBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-CTR_OBJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DEBITOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-DEBITOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-DEBITOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WHOLESALER1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-WHOLESALER1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-WHOLESALER1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WHOLESALER2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-WHOLESALER2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-WHOLESALER2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WHOLESALER3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-WHOLESALER3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-WHOLESALER3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUS_PERIOD_MON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-AUS_PERIOD_MON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-AUS_PERIOD_MON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OPT_PERIOD_MON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-OPT_PERIOD_MON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-OPT_PERIOD_MON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROLONG_PERIOD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-PROLONG_PERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-PROLONG_PERIOD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NOTICE_PER_MON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-NOTICE_PER_MON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-NOTICE_PER_MON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NOTICE_PERIOD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHVBW_CTR1-NOTICE_PERIOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHVBW_CTR1-NOTICE_PERIOD.
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_/BEV3/CHVBW_CTR1_STR, 
MANDT TYPE STRING,
YVWDNR TYPE STRING,
DATETO TYPE STRING,
DATEFROM TYPE STRING,
CHORG TYPE STRING,
VWDART TYPE STRING,
MUSTER TYPE STRING,
CTR_BUKRS TYPE STRING,
CTR_VIEW TYPE STRING,
CLASS1 TYPE STRING,
CLASS2 TYPE STRING,
CLASS3 TYPE STRING,
CLASS4 TYPE STRING,
CLASS5 TYPE STRING,
LANGU_ORIGINAL TYPE STRING,
OLD_CONTRACT TYPE STRING,
PERIOD_FROM TYPE STRING,
PERIOD_TO TYPE STRING,
FLAG_PERIODEND TYPE STRING,
CTR_CURRENCY TYPE STRING,
CTR_ACC_PARTY TYPE STRING,
VKORG_RG TYPE STRING,
VTWEG_RG TYPE STRING,
SPART_RG TYPE STRING,
CTR_OBJECT TYPE STRING,
VKORG_WE TYPE STRING,
VTWEG_WE TYPE STRING,
SPART_WE TYPE STRING,
DEBITOR TYPE STRING,
BUKRS_DEBITOR TYPE STRING,
WHOLESALER1 TYPE STRING,
WHOLESALER2 TYPE STRING,
WHOLESALER3 TYPE STRING,
DEPEND_CTR1 TYPE STRING,
DEPEND_CTR2 TYPE STRING,
DEPEND_CTR3 TYPE STRING,
DEPEND_CTR4 TYPE STRING,
AUS_DATE_FROM TYPE STRING,
AUS_DATE_TO TYPE STRING,
AUS_PERIOD_MON TYPE STRING,
AUS_COUNT TYPE STRING,
AUS_FLAG_PERIOD TYPE STRING,
OPT_NEXT_DATE TYPE STRING,
OPT_PERIOD_MON TYPE STRING,
OPT_COUNT TYPE STRING,
PROLONG_PERIOD TYPE STRING,
NOTICE_DATE TYPE STRING,
NOTICE_TO_DATE TYPE STRING,
NOTICE_PER_MON TYPE STRING,
NOTICE_PERIOD TYPE STRING,
SEC_COUNT TYPE STRING,
SEC_GRDPFD TYPE STRING,
SEC_IMPORTANT TYPE STRING,
REC_TIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV3/CHVBW_CTR1_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_/BEV3/CHVBW_CTR1_STR-MANDT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-YVWDNR sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DATETO sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DATEFROM sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CHORG sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-VWDART sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-MUSTER sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CTR_BUKRS sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CTR_VIEW sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CLASS1 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CLASS2 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CLASS3 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CLASS4 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CLASS5 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-LANGU_ORIGINAL sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-OLD_CONTRACT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-PERIOD_FROM sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-PERIOD_TO sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-FLAG_PERIODEND sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CTR_CURRENCY sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CTR_ACC_PARTY sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-VKORG_RG sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-VTWEG_RG sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-SPART_RG sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-CTR_OBJECT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-VKORG_WE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-VTWEG_WE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-SPART_WE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DEBITOR sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-BUKRS_DEBITOR sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-WHOLESALER1 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-WHOLESALER2 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-WHOLESALER3 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DEPEND_CTR1 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DEPEND_CTR2 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DEPEND_CTR3 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-DEPEND_CTR4 sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-AUS_DATE_FROM sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-AUS_DATE_TO sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-AUS_PERIOD_MON sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-AUS_COUNT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-AUS_FLAG_PERIOD sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-OPT_NEXT_DATE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-OPT_PERIOD_MON sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-OPT_COUNT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-PROLONG_PERIOD sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-NOTICE_DATE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-NOTICE_TO_DATE sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-NOTICE_PER_MON sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-NOTICE_PERIOD sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-SEC_COUNT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-SEC_GRDPFD sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-SEC_IMPORTANT sy-vline 
WA_/BEV3/CHVBW_CTR1_STR-REC_TIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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