ABAP Select data from SAP table J_3RF_TP_CNTPARTNERS_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RF_TP_CNTPARTNERS_ALV 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 J_3RF_TP_CNTPARTNERS_ALV. 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 J_3RF_TP_CNTPARTNERS_ALV 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_J_3RF_TP_CNTPARTNERS_ALV TYPE STANDARD TABLE OF J_3RF_TP_CNTPARTNERS_ALV,
      WA_J_3RF_TP_CNTPARTNERS_ALV TYPE J_3RF_TP_CNTPARTNERS_ALV,
      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: <J_3RF_TP_CNTPARTNERS_ALV> TYPE J_3RF_TP_CNTPARTNERS_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RF_TP_CNTPARTNERS_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RF_TP_CNTPARTNERS_ALV
  INTO TABLE IT_J_3RF_TP_CNTPARTNERS_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RF_TP_CNTPARTNERS_ALV
*  INTO TABLE @DATA(IT_J_3RF_TP_CNTPARTNERS_ALV2).
*--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_J_3RF_TP_CNTPARTNERS_ALV INDEX 1 INTO DATA(WA_J_3RF_TP_CNTPARTNERS_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RF_TP_CNTPARTNERS_ALV ASSIGNING <J_3RF_TP_CNTPARTNERS_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RF_TP_CNTPARTNERS_ALV>-EXCEED_ = 1.
<J_3RF_TP_CNTPARTNERS_ALV>-EXISTS_ = 1.
<J_3RF_TP_CNTPARTNERS_ALV>-EQUALS_ = 1.
<J_3RF_TP_CNTPARTNERS_ALV>-BUKRS = 1.
<J_3RF_TP_CNTPARTNERS_ALV>-KUNNR = 1.

ENDLOOP.

LOOP AT IT_J_3RF_TP_CNTPARTNERS_ALV INTO WA_J_3RF_TP_CNTPARTNERS_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RF_TP_CNTPARTNERS_ALV-LIFNR, sy-vline,
  WA_J_3RF_TP_CNTPARTNERS_ALV-DESCR, sy-vline,
  WA_J_3RF_TP_CNTPARTNERS_ALV-STCD1, sy-vline,
  WA_J_3RF_TP_CNTPARTNERS_ALV-CNTTYPE, sy-vline,
  WA_J_3RF_TP_CNTPARTNERS_ALV-TURNOVER, sy-vline,
  WA_J_3RF_TP_CNTPARTNERS_ALV-WAERS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RF_TP_CNTPARTNERS_ALV 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_J_3RF_TP_CNTPARTNERS_ALV 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_J_3RF_TP_CNTPARTNERS_ALV INTO WA_J_3RF_TP_CNTPARTNERS_ALV.


*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 KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU212, internal->external for field TURNOVER
CALL FUNCTION 'CONVERSION_EXIT_AU212_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-TURNOVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-TURNOVER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU212, internal->external for field BC_TURNOVER
CALL FUNCTION 'CONVERSION_EXIT_AU212_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-BC_TURNOVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-BC_TURNOVER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU212, internal->external for field NBC_TURNOVER
CALL FUNCTION 'CONVERSION_EXIT_AU212_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-NBC_TURNOVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-NBC_TURNOVER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU212, internal->external for field LIMIT
CALL FUNCTION 'CONVERSION_EXIT_AU212_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_TP_CNTPARTNERS_ALV-LIMIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_TP_CNTPARTNERS_ALV-LIMIT.
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_J_3RF_TP_CNTPARTNERS_ALV_STR, 
EXCEED_ TYPE STRING,
EXISTS_ TYPE STRING,
EQUALS_ TYPE STRING,
BUKRS TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
DESCR TYPE STRING,
STCD1 TYPE STRING,
CNTTYPE TYPE STRING,
TURNOVER TYPE STRING,
WAERS TYPE STRING,
BC_TURNOVER TYPE STRING,
NBC_TURNOVER TYPE STRING,
LTYPE TYPE STRING,
LIMIT TYPE STRING,
CURRENCY TYPE STRING,
REASON_121 TYPE STRING,
REASON_122 TYPE STRING,
REASON_123 TYPE STRING,
REASON_124 TYPE STRING,
REASON_131 TYPE STRING,
REASON_132 TYPE STRING,
REASON_133 TYPE STRING,
REASON_134 TYPE STRING,
REASON_135 TYPE STRING,
REASON_136 TYPE STRING,
REASON_137 TYPE STRING,
REASON_138 TYPE STRING,
REASON_139 TYPE STRING,
REASON_140 TYPE STRING,
LDESC TYPE STRING,
NO_IN_TP TYPE STRING,
CELLCOLORS TYPE STRING,
CELLSTYLES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RF_TP_CNTPARTNERS_ALV_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_J_3RF_TP_CNTPARTNERS_ALV_STR-EXCEED_ sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-EXISTS_ sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-EQUALS_ sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-BUKRS sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-KUNNR sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-LIFNR sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-DESCR sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-STCD1 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-CNTTYPE sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-TURNOVER sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-WAERS sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-BC_TURNOVER sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-NBC_TURNOVER sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-LTYPE sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-LIMIT sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-CURRENCY sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_121 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_122 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_123 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_124 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_131 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_132 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_133 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_134 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_135 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_136 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_137 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_138 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_139 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-REASON_140 sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-LDESC sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-NO_IN_TP sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-CELLCOLORS sy-vline 
WA_J_3RF_TP_CNTPARTNERS_ALV_STR-CELLSTYLES sy-vline      INTO ld_text SEPARATED BY SPACE.

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