ABAP Select data from SAP table UPP_YS_LL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPP_YS_LL
*  INTO TABLE @DATA(IT_UPP_YS_LL2).
*--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_UPP_YS_LL INDEX 1 INTO DATA(WA_UPP_YS_LL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPP_YS_LL>-RATIO = 1.
<UPP_YS_LL>-CONT = 1.
<UPP_YS_LL>-ROW = 1.
<UPP_YS_LL>-COL = 1.
<UPP_YS_LL>-FCOLUMN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPP_YS_LL-VALUE, sy-vline,
  WA_UPP_YS_LL-VALUE_F, sy-vline,
  WA_UPP_YS_LL-VALUE_P, sy-vline,
  WA_UPP_YS_LL-INIT, sy-vline,
  WA_UPP_YS_LL-FTYPE, sy-vline,
  WA_UPP_YS_LL-REQUEST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPP_YS_LL 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_UPP_YS_LL 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_UPP_YS_LL INTO WA_UPP_YS_LL.


*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 DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_UPP_YS_LL-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPP_YS_LL-DATATYPE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field ATTRB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UPP_YS_LL-ATTRB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPP_YS_LL-ATTRB.
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_UPP_YS_LL_STR, 
RATIO TYPE STRING,
CONT TYPE STRING,
ROW TYPE STRING,
COL TYPE STRING,
FCOLUMN TYPE STRING,
VALUE TYPE STRING,
VALUE_F TYPE STRING,
VALUE_P TYPE STRING,
INIT TYPE STRING,
FTYPE TYPE STRING,
REQUEST TYPE STRING,
MARK_ROW TYPE STRING,
MARK_COL TYPE STRING,
MARK_CELL TYPE STRING,
INPUT TYPE STRING,
MODIFY TYPE STRING,
ACTIVE TYPE STRING,
ALIGN TYPE STRING,
XFELD TYPE STRING,
DOC TYPE STRING,
LOCKED TYPE STRING,
LEAF TYPE STRING,
NODE_TYPE TYPE STRING,
DISP_LEVEL TYPE STRING,
NOT_SUMMABLE TYPE STRING,
SIGN TYPE STRING,
SCALE TYPE STRING,
DEC_DBUNIT TYPE STRING,
DB_DECIM TYPE STRING,
SCR_DECIM TYPE STRING,
DECAN_QUAN TYPE STRING,
ANDEC_QUAN TYPE STRING,
DB_UNIT TYPE STRING,
AZ_UNIT TYPE STRING,
INTLEN TYPE STRING,
LENG TYPE STRING,
OUTPUTLEN TYPE STRING,
INTTYPE TYPE STRING,
DATATYPE TYPE STRING,
CONVEXIT TYPE STRING,
FIELDNAME TYPE STRING,
ATRNM TYPE STRING,
UATTR TYPE STRING,
ATTRB TYPE STRING,
DCLASS TYPE STRING,
CHA_KYF_FOR_UNIT TYPE STRING,
CHA_FLG TYPE STRING,
MWKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPP_YS_LL_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_UPP_YS_LL_STR-RATIO sy-vline 
WA_UPP_YS_LL_STR-CONT sy-vline 
WA_UPP_YS_LL_STR-ROW sy-vline 
WA_UPP_YS_LL_STR-COL sy-vline 
WA_UPP_YS_LL_STR-FCOLUMN sy-vline 
WA_UPP_YS_LL_STR-VALUE sy-vline 
WA_UPP_YS_LL_STR-VALUE_F sy-vline 
WA_UPP_YS_LL_STR-VALUE_P sy-vline 
WA_UPP_YS_LL_STR-INIT sy-vline 
WA_UPP_YS_LL_STR-FTYPE sy-vline 
WA_UPP_YS_LL_STR-REQUEST sy-vline 
WA_UPP_YS_LL_STR-MARK_ROW sy-vline 
WA_UPP_YS_LL_STR-MARK_COL sy-vline 
WA_UPP_YS_LL_STR-MARK_CELL sy-vline 
WA_UPP_YS_LL_STR-INPUT sy-vline 
WA_UPP_YS_LL_STR-MODIFY sy-vline 
WA_UPP_YS_LL_STR-ACTIVE sy-vline 
WA_UPP_YS_LL_STR-ALIGN sy-vline 
WA_UPP_YS_LL_STR-XFELD sy-vline 
WA_UPP_YS_LL_STR-DOC sy-vline 
WA_UPP_YS_LL_STR-LOCKED sy-vline 
WA_UPP_YS_LL_STR-LEAF sy-vline 
WA_UPP_YS_LL_STR-NODE_TYPE sy-vline 
WA_UPP_YS_LL_STR-DISP_LEVEL sy-vline 
WA_UPP_YS_LL_STR-NOT_SUMMABLE sy-vline 
WA_UPP_YS_LL_STR-SIGN sy-vline 
WA_UPP_YS_LL_STR-SCALE sy-vline 
WA_UPP_YS_LL_STR-DEC_DBUNIT sy-vline 
WA_UPP_YS_LL_STR-DB_DECIM sy-vline 
WA_UPP_YS_LL_STR-SCR_DECIM sy-vline 
WA_UPP_YS_LL_STR-DECAN_QUAN sy-vline 
WA_UPP_YS_LL_STR-ANDEC_QUAN sy-vline 
WA_UPP_YS_LL_STR-DB_UNIT sy-vline 
WA_UPP_YS_LL_STR-AZ_UNIT sy-vline 
WA_UPP_YS_LL_STR-INTLEN sy-vline 
WA_UPP_YS_LL_STR-LENG sy-vline 
WA_UPP_YS_LL_STR-OUTPUTLEN sy-vline 
WA_UPP_YS_LL_STR-INTTYPE sy-vline 
WA_UPP_YS_LL_STR-DATATYPE sy-vline 
WA_UPP_YS_LL_STR-CONVEXIT sy-vline 
WA_UPP_YS_LL_STR-FIELDNAME sy-vline 
WA_UPP_YS_LL_STR-ATRNM sy-vline 
WA_UPP_YS_LL_STR-UATTR sy-vline 
WA_UPP_YS_LL_STR-ATTRB sy-vline 
WA_UPP_YS_LL_STR-DCLASS sy-vline 
WA_UPP_YS_LL_STR-CHA_KYF_FOR_UNIT sy-vline 
WA_UPP_YS_LL_STR-CHA_FLG sy-vline 
WA_UPP_YS_LL_STR-MWKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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