ABAP Select data from SAP table T7UNCMT_DEPA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7UNCMT_DEPA 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 T7UNCMT_DEPA. 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 T7UNCMT_DEPA 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_T7UNCMT_DEPA TYPE STANDARD TABLE OF T7UNCMT_DEPA,
      WA_T7UNCMT_DEPA TYPE T7UNCMT_DEPA,
      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: <T7UNCMT_DEPA> TYPE T7UNCMT_DEPA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7UNCMT_DEPA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7UNCMT_DEPA
  INTO TABLE IT_T7UNCMT_DEPA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7UNCMT_DEPA
*  INTO TABLE @DATA(IT_T7UNCMT_DEPA2).
*--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_T7UNCMT_DEPA INDEX 1 INTO DATA(WA_T7UNCMT_DEPA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7UNCMT_DEPA ASSIGNING <T7UNCMT_DEPA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7UNCMT_DEPA>-MANDT = 1.
<T7UNCMT_DEPA>-SEQNR = 1.
<T7UNCMT_DEPA>-F_DUTY_ID_CODE = 1.
<T7UNCMT_DEPA>-F_REFX_PCTG_SEQ = 1.
<T7UNCMT_DEPA>-EFF_COMP = 1.

ENDLOOP.

LOOP AT IT_T7UNCMT_DEPA INTO WA_T7UNCMT_DEPA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7UNCMT_DEPA-ENTITL_COMP, sy-vline,
  WA_T7UNCMT_DEPA-PROCS_COMP, sy-vline,
  WA_T7UNCMT_DEPA-EFF_DATE, sy-vline,
  WA_T7UNCMT_DEPA-ENTITL_DATE, sy-vline,
  WA_T7UNCMT_DEPA-PROCS_DATE, sy-vline,
  WA_T7UNCMT_DEPA-EXPIR_DATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7UNCMT_DEPA 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_T7UNCMT_DEPA 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_T7UNCMT_DEPA INTO WA_T7UNCMT_DEPA.


*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_T7UNCMT_DEPA_STR, 
MANDT TYPE STRING,
SEQNR TYPE STRING,
F_DUTY_ID_CODE TYPE STRING,
F_REFX_PCTG_SEQ TYPE STRING,
EFF_COMP TYPE STRING,
ENTITL_COMP TYPE STRING,
PROCS_COMP TYPE STRING,
EFF_DATE TYPE STRING,
ENTITL_DATE TYPE STRING,
PROCS_DATE TYPE STRING,
EXPIR_DATE TYPE STRING,
F_CURR_CODE TYPE STRING,
FIRST_CHILD_AMT TYPE STRING,
DEPND_CHILD_AMT TYPE STRING,
DISAB_CHILD_AMT TYPE STRING,
DEPND_CHILD_OFW TYPE STRING,
DISAB_CHILD_OFW TYPE STRING,
DEPND_SPUSE_AMT TYPE STRING,
SCDRY_DEPND_AMT TYPE STRING,
OTHER_CHILD_AMT TYPE STRING,
FIRST_CH_SNG_AMT TYPE STRING,
OTHER_CH_SNG_AMT TYPE STRING,
OTHER_CH_WID_AMT TYPE STRING,
F_ADLH_TRAN_SER TYPE STRING,
ACTION TYPE STRING,
DELIVERY_DATE TYPE STRING,
DELIVERY_TIME TYPE STRING,
DELIVERY_PROG TYPE STRING,
PROCESS_DATE TYPE STRING,
PROCESS_TIME TYPE STRING,
PROCESS_PROG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7UNCMT_DEPA_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_T7UNCMT_DEPA_STR-MANDT sy-vline 
WA_T7UNCMT_DEPA_STR-SEQNR sy-vline 
WA_T7UNCMT_DEPA_STR-F_DUTY_ID_CODE sy-vline 
WA_T7UNCMT_DEPA_STR-F_REFX_PCTG_SEQ sy-vline 
WA_T7UNCMT_DEPA_STR-EFF_COMP sy-vline 
WA_T7UNCMT_DEPA_STR-ENTITL_COMP sy-vline 
WA_T7UNCMT_DEPA_STR-PROCS_COMP sy-vline 
WA_T7UNCMT_DEPA_STR-EFF_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-ENTITL_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-PROCS_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-EXPIR_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-F_CURR_CODE sy-vline 
WA_T7UNCMT_DEPA_STR-FIRST_CHILD_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-DEPND_CHILD_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-DISAB_CHILD_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-DEPND_CHILD_OFW sy-vline 
WA_T7UNCMT_DEPA_STR-DISAB_CHILD_OFW sy-vline 
WA_T7UNCMT_DEPA_STR-DEPND_SPUSE_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-SCDRY_DEPND_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-OTHER_CHILD_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-FIRST_CH_SNG_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-OTHER_CH_SNG_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-OTHER_CH_WID_AMT sy-vline 
WA_T7UNCMT_DEPA_STR-F_ADLH_TRAN_SER sy-vline 
WA_T7UNCMT_DEPA_STR-ACTION sy-vline 
WA_T7UNCMT_DEPA_STR-DELIVERY_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-DELIVERY_TIME sy-vline 
WA_T7UNCMT_DEPA_STR-DELIVERY_PROG sy-vline 
WA_T7UNCMT_DEPA_STR-PROCESS_DATE sy-vline 
WA_T7UNCMT_DEPA_STR-PROCESS_TIME sy-vline 
WA_T7UNCMT_DEPA_STR-PROCESS_PROG sy-vline      INTO ld_text SEPARATED BY SPACE.

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