ABAP Select data from SAP table CMCB_S_CONSUME_RLT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMCB_S_CONSUME_RLT
*  INTO TABLE @DATA(IT_CMCB_S_CONSUME_RLT2).
*--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_CMCB_S_CONSUME_RLT INDEX 1 INTO DATA(WA_CMCB_S_CONSUME_RLT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMCB_S_CONSUME_RLT>-SEQ_NO = 1.
<CMCB_S_CONSUME_RLT>-LINE_NO = 1.
<CMCB_S_CONSUME_RLT>-CB_AREA = 1.
<CMCB_S_CONSUME_RLT>-CYCLE_ID = 1.
<CMCB_S_CONSUME_RLT>-UNIT_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMCB_S_CONSUME_RLT-LIQ_ITEM, sy-vline,
  WA_CMCB_S_CONSUME_RLT-AMT_PLANNED, sy-vline,
  WA_CMCB_S_CONSUME_RLT-AMT_USED, sy-vline,
  WA_CMCB_S_CONSUME_RLT-AMT_RESERVED, sy-vline,
  WA_CMCB_S_CONSUME_RLT-AMT_AVAILABLE, sy-vline,
  WA_CMCB_S_CONSUME_RLT-AMT_REQ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMCB_S_CONSUME_RLT 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_CMCB_S_CONSUME_RLT 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_CMCB_S_CONSUME_RLT INTO WA_CMCB_S_CONSUME_RLT.


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

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

*Conversion exit AU172, internal->external for field AMT_PLANNED
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-AMT_PLANNED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-AMT_PLANNED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_USED
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-AMT_USED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-AMT_USED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_RESERVED
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-AMT_RESERVED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-AMT_RESERVED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_AVAILABLE
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-AMT_AVAILABLE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-AMT_AVAILABLE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU172, internal->external for field AMT_REQ
CALL FUNCTION 'CONVERSION_EXIT_AU172_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-AMT_REQ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-AMT_REQ.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_CMCB_S_CONSUME_RLT-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMCB_S_CONSUME_RLT-POSID.
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_CMCB_S_CONSUME_RLT_STR, 
SEQ_NO TYPE STRING,
LINE_NO TYPE STRING,
CB_AREA TYPE STRING,
CYCLE_ID TYPE STRING,
UNIT_ID TYPE STRING,
LIQ_ITEM TYPE STRING,
AMT_PLANNED TYPE STRING,
AMT_USED TYPE STRING,
AMT_RESERVED TYPE STRING,
AMT_AVAILABLE TYPE STRING,
AMT_REQ TYPE STRING,
WAERS TYPE STRING,
REQ_DATE TYPE STRING,
REQ_TYPE TYPE STRING,
CB_DOC TYPE STRING,
CB_DOC_ITEM TYPE STRING,
TEXT_30 TYPE STRING,
PAYM_RULE TYPE STRING,
RULE_DESC TYPE STRING,
BLOCK_REASON TYPE STRING,
VENDOR TYPE STRING,
CUSTOMER TYPE STRING,
PRCTR TYPE STRING,
AUFNR TYPE STRING,
POSID TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
ATTR1 TYPE STRING,
ATTR2 TYPE STRING,
ATTR3 TYPE STRING,
ATTR4 TYPE STRING,
MSGTEXT TYPE STRING,
MSG_TABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMCB_S_CONSUME_RLT_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_CMCB_S_CONSUME_RLT_STR-SEQ_NO sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-LINE_NO sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-CB_AREA sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-CYCLE_ID sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-UNIT_ID sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-LIQ_ITEM sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AMT_PLANNED sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AMT_USED sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AMT_RESERVED sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AMT_AVAILABLE sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AMT_REQ sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-WAERS sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-REQ_DATE sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-REQ_TYPE sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-CB_DOC sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-CB_DOC_ITEM sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-TEXT_30 sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-PAYM_RULE sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-RULE_DESC sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-BLOCK_REASON sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-VENDOR sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-CUSTOMER sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-PRCTR sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-AUFNR sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-POSID sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-MSGID sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-MSGNO sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-MSGTY sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-ATTR1 sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-ATTR2 sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-ATTR3 sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-ATTR4 sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-MSGTEXT sy-vline 
WA_CMCB_S_CONSUME_RLT_STR-MSG_TABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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