ABAP Select data from SAP table EHFNDS_PSE_RECURRENCE_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDS_PSE_RECURRENCE_D
*  INTO TABLE @DATA(IT_EHFNDS_PSE_RECURRENCE_D2).
*--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_EHFNDS_PSE_RECURRENCE_D INDEX 1 INTO DATA(WA_EHFNDS_PSE_RECURRENCE_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDS_PSE_RECURRENCE_D>-CREA_DATE_TIME = 1.
<EHFNDS_PSE_RECURRENCE_D>-CREA_UNAME = 1.
<EHFNDS_PSE_RECURRENCE_D>-LCHG_DATE_TIME = 1.
<EHFNDS_PSE_RECURRENCE_D>-LCHG_UNAME = 1.
<EHFNDS_PSE_RECURRENCE_D>-TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDS_PSE_RECURRENCE_D-START_TIMESTAMP, sy-vline,
  WA_EHFNDS_PSE_RECURRENCE_D-START_TI_ZO, sy-vline,
  WA_EHFNDS_PSE_RECURRENCE_D-RECUR, sy-vline,
  WA_EHFNDS_PSE_RECURRENCE_D-MON_IND, sy-vline,
  WA_EHFNDS_PSE_RECURRENCE_D-TUE_IND, sy-vline,
  WA_EHFNDS_PSE_RECURRENCE_D-WED_IND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDS_PSE_RECURRENCE_D 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_EHFNDS_PSE_RECURRENCE_D 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_EHFNDS_PSE_RECURRENCE_D INTO WA_EHFNDS_PSE_RECURRENCE_D.


*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_EHFNDS_PSE_RECURRENCE_D_STR, 
CREA_DATE_TIME TYPE STRING,
CREA_UNAME TYPE STRING,
LCHG_DATE_TIME TYPE STRING,
LCHG_UNAME TYPE STRING,
TYPE TYPE STRING,
START_TIMESTAMP TYPE STRING,
START_TI_ZO TYPE STRING,
RECUR TYPE STRING,
MON_IND TYPE STRING,
TUE_IND TYPE STRING,
WED_IND TYPE STRING,
THU_IND TYPE STRING,
FRI_IND TYPE STRING,
SAT_IND TYPE STRING,
SUN_IND TYPE STRING,
MONTH_DAY TYPE STRING,
MONTH_YEAR TYPE STRING,
RANGE_OPT TYPE STRING,
N_TH TYPE STRING,
WEEKDAY TYPE STRING,
END_RECURR TYPE STRING,
END_DATE TYPE STRING,
NEXT_EXEC_TMSTMP TYPE STRING,
LAST_EXEC_TMSTMP TYPE STRING,
UPDATE_REQ_IND TYPE STRING,
ACTIVE_IND TYPE STRING,
EEW_PSE_REC_D TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDS_PSE_RECURRENCE_D_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_EHFNDS_PSE_RECURRENCE_D_STR-CREA_DATE_TIME sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-CREA_UNAME sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-LCHG_DATE_TIME sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-LCHG_UNAME sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-TYPE sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-START_TIMESTAMP sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-START_TI_ZO sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-RECUR sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-MON_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-TUE_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-WED_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-THU_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-FRI_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-SAT_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-SUN_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-MONTH_DAY sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-MONTH_YEAR sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-RANGE_OPT sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-N_TH sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-WEEKDAY sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-END_RECURR sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-END_DATE sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-NEXT_EXEC_TMSTMP sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-LAST_EXEC_TMSTMP sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-UPDATE_REQ_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-ACTIVE_IND sy-vline 
WA_EHFNDS_PSE_RECURRENCE_D_STR-EEW_PSE_REC_D sy-vline      INTO ld_text SEPARATED BY SPACE.

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