ABAP Select data from SAP table IUUC_REPL_CONFIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IUUC_REPL_CONFIG
*  INTO TABLE @DATA(IT_IUUC_REPL_CONFIG2).
*--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_IUUC_REPL_CONFIG INDEX 1 INTO DATA(WA_IUUC_REPL_CONFIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IUUC_REPL_CONFIG>-MT_ID = 1.
<IUUC_REPL_CONFIG>-NUM_JOBS_TOTAL = 1.
<IUUC_REPL_CONFIG>-NUM_JOBS_IL = 1.
<IUUC_REPL_CONFIG>-REPL_MODE = 1.
<IUUC_REPL_CONFIG>-REPL_INTRVL_UNIT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IUUC_REPL_CONFIG-VALUE, sy-vline,
  WA_IUUC_REPL_CONFIG-TIME, sy-vline,
  WA_IUUC_REPL_CONFIG-DATCL1, sy-vline,
  WA_IUUC_REPL_CONFIG-DATCL2, sy-vline,
  WA_IUUC_REPL_CONFIG-DATCL3, sy-vline,
  WA_IUUC_REPL_CONFIG-RFC_CLIENT_ONLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IUUC_REPL_CONFIG 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_IUUC_REPL_CONFIG 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_IUUC_REPL_CONFIG INTO WA_IUUC_REPL_CONFIG.


*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 ISOLA, internal->external for field TABLE_TEXT_LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_IUUC_REPL_CONFIG-TABLE_TEXT_LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IUUC_REPL_CONFIG-TABLE_TEXT_LANGU.
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_IUUC_REPL_CONFIG_STR, 
MT_ID TYPE STRING,
NUM_JOBS_TOTAL TYPE STRING,
NUM_JOBS_IL TYPE STRING,
REPL_MODE TYPE STRING,
REPL_INTRVL_UNIT TYPE STRING,
VALUE TYPE STRING,
TIME TYPE STRING,
DATCL1 TYPE STRING,
DATCL2 TYPE STRING,
DATCL3 TYPE STRING,
RFC_CLIENT_ONLY TYPE STRING,
APPLICATION TYPE STRING,
REUSE_SENDER TYPE STRING,
STAT_COND_HOUR TYPE STRING,
STAT_COND_DAY TYPE STRING,
STAT_DELETE TYPE STRING,
NUM_JOBS_ACPCALC TYPE STRING,
IL_SCENARIO TYPE STRING,
TABLE_TEXT_LANGU TYPE STRING,
IGNO_ARCHIVE_DEL TYPE STRING,
TRG_SCENARIO TYPE STRING,
RFCDEST_LOAD TYPE STRING,
DBCON_LOAD TYPE STRING,
AUTO_RESTART TYPE STRING,
RESET_LOADEDFLAG TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
CRUSER TYPE STRING,
CHDATE TYPE STRING,
CHTIME TYPE STRING,
CHUSER TYPE STRING,
TRANSFER_NULLS TYPE STRING,
CDC_IMPL TYPE STRING,
BG_ENABLED TYPE STRING,
REQUEST_APPROVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IUUC_REPL_CONFIG_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_IUUC_REPL_CONFIG_STR-MT_ID sy-vline 
WA_IUUC_REPL_CONFIG_STR-NUM_JOBS_TOTAL sy-vline 
WA_IUUC_REPL_CONFIG_STR-NUM_JOBS_IL sy-vline 
WA_IUUC_REPL_CONFIG_STR-REPL_MODE sy-vline 
WA_IUUC_REPL_CONFIG_STR-REPL_INTRVL_UNIT sy-vline 
WA_IUUC_REPL_CONFIG_STR-VALUE sy-vline 
WA_IUUC_REPL_CONFIG_STR-TIME sy-vline 
WA_IUUC_REPL_CONFIG_STR-DATCL1 sy-vline 
WA_IUUC_REPL_CONFIG_STR-DATCL2 sy-vline 
WA_IUUC_REPL_CONFIG_STR-DATCL3 sy-vline 
WA_IUUC_REPL_CONFIG_STR-RFC_CLIENT_ONLY sy-vline 
WA_IUUC_REPL_CONFIG_STR-APPLICATION sy-vline 
WA_IUUC_REPL_CONFIG_STR-REUSE_SENDER sy-vline 
WA_IUUC_REPL_CONFIG_STR-STAT_COND_HOUR sy-vline 
WA_IUUC_REPL_CONFIG_STR-STAT_COND_DAY sy-vline 
WA_IUUC_REPL_CONFIG_STR-STAT_DELETE sy-vline 
WA_IUUC_REPL_CONFIG_STR-NUM_JOBS_ACPCALC sy-vline 
WA_IUUC_REPL_CONFIG_STR-IL_SCENARIO sy-vline 
WA_IUUC_REPL_CONFIG_STR-TABLE_TEXT_LANGU sy-vline 
WA_IUUC_REPL_CONFIG_STR-IGNO_ARCHIVE_DEL sy-vline 
WA_IUUC_REPL_CONFIG_STR-TRG_SCENARIO sy-vline 
WA_IUUC_REPL_CONFIG_STR-RFCDEST_LOAD sy-vline 
WA_IUUC_REPL_CONFIG_STR-DBCON_LOAD sy-vline 
WA_IUUC_REPL_CONFIG_STR-AUTO_RESTART sy-vline 
WA_IUUC_REPL_CONFIG_STR-RESET_LOADEDFLAG sy-vline 
WA_IUUC_REPL_CONFIG_STR-CRDATE sy-vline 
WA_IUUC_REPL_CONFIG_STR-CRTIME sy-vline 
WA_IUUC_REPL_CONFIG_STR-CRUSER sy-vline 
WA_IUUC_REPL_CONFIG_STR-CHDATE sy-vline 
WA_IUUC_REPL_CONFIG_STR-CHTIME sy-vline 
WA_IUUC_REPL_CONFIG_STR-CHUSER sy-vline 
WA_IUUC_REPL_CONFIG_STR-TRANSFER_NULLS sy-vline 
WA_IUUC_REPL_CONFIG_STR-CDC_IMPL sy-vline 
WA_IUUC_REPL_CONFIG_STR-BG_ENABLED sy-vline 
WA_IUUC_REPL_CONFIG_STR-REQUEST_APPROVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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