ABAP Select data from SAP table FCLM_BAM_S_SIGN_ATT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCLM_BAM_S_SIGN_ATT
*  INTO TABLE @DATA(IT_FCLM_BAM_S_SIGN_ATT2).
*--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_FCLM_BAM_S_SIGN_ATT INDEX 1 INTO DATA(WA_FCLM_BAM_S_SIGN_ATT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCLM_BAM_S_SIGN_ATT>-MANDT = 1.
<FCLM_BAM_S_SIGN_ATT>-ACC_ID = 1.
<FCLM_BAM_S_SIGN_ATT>-BNAME = 1.
<FCLM_BAM_S_SIGN_ATT>-VALID_TO = 1.
<FCLM_BAM_S_SIGN_ATT>-REVISION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCLM_BAM_S_SIGN_ATT-WAERS, sy-vline,
  WA_FCLM_BAM_S_SIGN_ATT-VALID_FROM, sy-vline,
  WA_FCLM_BAM_S_SIGN_ATT-SIGN_GROUP, sy-vline,
  WA_FCLM_BAM_S_SIGN_ATT-PAY_AMOUNT, sy-vline,
  WA_FCLM_BAM_S_SIGN_ATT-BATCH_AMOUNT, sy-vline,
  WA_FCLM_BAM_S_SIGN_ATT-DELETED_FLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCLM_BAM_S_SIGN_ATT 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_FCLM_BAM_S_SIGN_ATT 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_FCLM_BAM_S_SIGN_ATT INTO WA_FCLM_BAM_S_SIGN_ATT.


*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 AC172, internal->external for field PAY_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_BAM_S_SIGN_ATT-PAY_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_BAM_S_SIGN_ATT-PAY_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field BATCH_AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_BAM_S_SIGN_ATT-BATCH_AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_BAM_S_SIGN_ATT-BATCH_AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_BAM_S_SIGN_ATT-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_BAM_S_SIGN_ATT-PERSNUMBER.
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_FCLM_BAM_S_SIGN_ATT_STR, 
MANDT TYPE STRING,
ACC_ID TYPE STRING,
BNAME TYPE STRING,
VALID_TO TYPE STRING,
REVISION TYPE STRING,
WAERS TYPE STRING,
VALID_FROM TYPE STRING,
SIGN_GROUP TYPE STRING,
PAY_AMOUNT TYPE STRING,
BATCH_AMOUNT TYPE STRING,
DELETED_FLAG TYPE STRING,
APPROVAL_IS_UNLIMITED TYPE STRING,
TEMP_ID TYPE STRING,
LINE_ID TYPE STRING,
PERSNUMBER TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LAST TYPE STRING,
NAME_TEXT TYPE STRING,
NOT_DELETABLE TYPE STRING,
VALID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCLM_BAM_S_SIGN_ATT_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_FCLM_BAM_S_SIGN_ATT_STR-MANDT sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-ACC_ID sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-BNAME sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-VALID_TO sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-REVISION sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-WAERS sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-VALID_FROM sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-SIGN_GROUP sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-PAY_AMOUNT sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-BATCH_AMOUNT sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-DELETED_FLAG sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-APPROVAL_IS_UNLIMITED sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-TEMP_ID sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-LINE_ID sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-PERSNUMBER sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-NAME_FIRST sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-NAME_LAST sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-NAME_TEXT sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-NOT_DELETABLE sy-vline 
WA_FCLM_BAM_S_SIGN_ATT_STR-VALID sy-vline      INTO ld_text SEPARATED BY SPACE.

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