ABAP Select data from SAP table UCD_SX_METH_EXEC_CONTROL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCD_SX_METH_EXEC_CONTROL
*  INTO TABLE @DATA(IT_UCD_SX_METH_EXEC_CONTROL2).
*--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_UCD_SX_METH_EXEC_CONTROL INDEX 1 INTO DATA(WA_UCD_SX_METH_EXEC_CONTROL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCD_SX_METH_EXEC_CONTROL>-TASKTYPE = 1.
<UCD_SX_METH_EXEC_CONTROL>-TXID = 1.
<UCD_SX_METH_EXEC_CONTROL>-S_FSFREQUENCY = 1.
<UCD_SX_METH_EXEC_CONTROL>-FSFREQUENCY = 1.
<UCD_SX_METH_EXEC_CONTROL>-FISCPERIOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCD_SX_METH_EXEC_CONTROL-FRFISCPERIOD, sy-vline,
  WA_UCD_SX_METH_EXEC_CONTROL-PREV_FP, sy-vline,
  WA_UCD_SX_METH_EXEC_CONTROL-FR_PREV_FP, sy-vline,
  WA_UCD_SX_METH_EXEC_CONTROL-PREV_FP_YEAR, sy-vline,
  WA_UCD_SX_METH_EXEC_CONTROL-NEXT_FP, sy-vline,
  WA_UCD_SX_METH_EXEC_CONTROL-FR_NEXT_FP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCD_SX_METH_EXEC_CONTROL 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_UCD_SX_METH_EXEC_CONTROL 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_UCD_SX_METH_EXEC_CONTROL INTO WA_UCD_SX_METH_EXEC_CONTROL.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_UCD_SX_METH_EXEC_CONTROL_STR, 
TASKTYPE TYPE STRING,
TXID TYPE STRING,
S_FSFREQUENCY TYPE STRING,
FSFREQUENCY TYPE STRING,
FISCPERIOD TYPE STRING,
FRFISCPERIOD TYPE STRING,
PREV_FP TYPE STRING,
FR_PREV_FP TYPE STRING,
PREV_FP_YEAR TYPE STRING,
NEXT_FP TYPE STRING,
FR_NEXT_FP TYPE STRING,
NEXT_FP_YEAR TYPE STRING,
T_VALUE_DOCTYPE TYPE STRING,
S_CHPROP_DOCTYPE TYPE STRING,
PLEVEL TYPE STRING,
DOCUSAGE TYPE STRING,
BALCHECK TYPE STRING,
TCDOCFLG TYPE STRING,
LCDOCFLG TYPE STRING,
GCDOCFLG TYPE STRING,
QUDOCFLG TYPE STRING,
MANDOCFLG TYPE STRING,
CTDOCFLG TYPE STRING,
DTAXDFLG TYPE STRING,
DTAXCFLG TYPE STRING,
DTAXSOURCE TYPE STRING,
DOCDCINV_AUTOM TYPE STRING,
DTAXRATE TYPE STRING,
NRRNG TYPE STRING,
DOCAUTOINV TYPE STRING,
DOCREFRESH TYPE STRING,
VAL_METHOD_TOTAL TYPE STRING,
VAL_METHOD_HEAD TYPE STRING,
VAL_METHOD_LINE TYPE STRING,
O_ACC_DOCTYPE TYPE STRING,
T_DOCTYPE TYPE STRING,
O_LOG TYPE STRING,
T_VALUE_GROUP TYPE STRING,
T_TASK_PROP TYPE STRING,
T_SSCR_VALUE TYPE STRING,
T_DATASTREAMTYPE_WRITE TYPE STRING,
LOG_SUPPRESS TYPE STRING,
F_TEST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCD_SX_METH_EXEC_CONTROL_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_UCD_SX_METH_EXEC_CONTROL_STR-TASKTYPE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-TXID sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-S_FSFREQUENCY sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-FSFREQUENCY sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-FISCPERIOD sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-FRFISCPERIOD sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-PREV_FP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-FR_PREV_FP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-PREV_FP_YEAR sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-NEXT_FP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-FR_NEXT_FP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-NEXT_FP_YEAR sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_VALUE_DOCTYPE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-S_CHPROP_DOCTYPE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-PLEVEL sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DOCUSAGE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-BALCHECK sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-TCDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-LCDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-GCDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-QUDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-MANDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-CTDOCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DTAXDFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DTAXCFLG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DTAXSOURCE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DOCDCINV_AUTOM sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DTAXRATE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-NRRNG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DOCAUTOINV sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-DOCREFRESH sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-VAL_METHOD_TOTAL sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-VAL_METHOD_HEAD sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-VAL_METHOD_LINE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-O_ACC_DOCTYPE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_DOCTYPE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-O_LOG sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_VALUE_GROUP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_TASK_PROP sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_SSCR_VALUE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-T_DATASTREAMTYPE_WRITE sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-LOG_SUPPRESS sy-vline 
WA_UCD_SX_METH_EXEC_CONTROL_STR-F_TEST sy-vline      INTO ld_text SEPARATED BY SPACE.

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