ABAP Select data from SAP table PMMO_DISTR_IMPORTING_PARAMS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMO_DISTR_IMPORTING_PARAMS
*  INTO TABLE @DATA(IT_PMMO_DISTR_IMPORTING_PARAMS2).
*--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_PMMO_DISTR_IMPORTING_PARAMS INDEX 1 INTO DATA(WA_PMMO_DISTR_IMPORTING_PARAMS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMO_DISTR_IMPORTING_PARAMS>-TEST_MODE = 1.
<PMMO_DISTR_IMPORTING_PARAMS>-BATCH_MODE = 1.
<PMMO_DISTR_IMPORTING_PARAMS>-KOKRS = 1.
<PMMO_DISTR_IMPORTING_PARAMS>-GJAHR = 1.
<PMMO_DISTR_IMPORTING_PARAMS>-PERIOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMO_DISTR_IMPORTING_PARAMS-BUDAT, sy-vline,
  WA_PMMO_DISTR_IMPORTING_PARAMS-BRK_ON_MSG_ONLY, sy-vline,
  WA_PMMO_DISTR_IMPORTING_PARAMS-NO_MORE_DISPLAY_RECORDS, sy-vline,
  WA_PMMO_DISTR_IMPORTING_PARAMS-S_PROFILE, sy-vline,
  WA_PMMO_DISTR_IMPORTING_PARAMS-MANDT, sy-vline,
  WA_PMMO_DISTR_IMPORTING_PARAMS-ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMO_DISTR_IMPORTING_PARAMS 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_PMMO_DISTR_IMPORTING_PARAMS 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_PMMO_DISTR_IMPORTING_PARAMS INTO WA_PMMO_DISTR_IMPORTING_PARAMS.


*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 GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PMMO_DISTR_IMPORTING_PARAMS-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMO_DISTR_IMPORTING_PARAMS-GJAHR.
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_PMMO_DISTR_IMPORTING_PARAMS_STR, 
TEST_MODE TYPE STRING,
BATCH_MODE TYPE STRING,
KOKRS TYPE STRING,
GJAHR TYPE STRING,
PERIOD TYPE STRING,
BUDAT TYPE STRING,
BRK_ON_MSG_ONLY TYPE STRING,
NO_MORE_DISPLAY_RECORDS TYPE STRING,
S_PROFILE TYPE STRING,
MANDT TYPE STRING,
ID TYPE STRING,
PACKAGE_SIZE TYPE STRING,
MAX_PARALLEL_SESSIONS TYPE STRING,
SERVER_GROUP TYPE STRING,
PROCESS_DELAY TYPE STRING,
MAX_WBS_IN_OVERVIEW TYPE STRING,
MAX_RECORDS_IN_DIALOG TYPE STRING,
READ_LOCK TYPE STRING,
UNDISTRIBUTE_ALL TYPE STRING,
UNDISTRIBUTE_UNPEGGED_REPL_OBJ TYPE STRING,
MAX_OOM_RETRIES TYPE STRING,
ADVANCED_DISPATCHER TYPE STRING,
CO_BLOCK_SIZE TYPE STRING,
SQL_BLOCK_SIZE TYPE STRING,
T_GROUP_WBS TYPE STRING,
T_WBS_BRK_RANGE TYPE STRING,
T_REPOBJ_RANGE TYPE STRING,
T_REPOBJ_BRK_RANGE TYPE STRING,
T_MEM_SNAP_RANGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMO_DISTR_IMPORTING_PARAMS_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_PMMO_DISTR_IMPORTING_PARAMS_STR-TEST_MODE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-BATCH_MODE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-KOKRS sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-GJAHR sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-PERIOD sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-BUDAT sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-BRK_ON_MSG_ONLY sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-NO_MORE_DISPLAY_RECORDS sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-S_PROFILE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-MANDT sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-ID sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-PACKAGE_SIZE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-MAX_PARALLEL_SESSIONS sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-SERVER_GROUP sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-PROCESS_DELAY sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-MAX_WBS_IN_OVERVIEW sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-MAX_RECORDS_IN_DIALOG sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-READ_LOCK sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-UNDISTRIBUTE_ALL sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-UNDISTRIBUTE_UNPEGGED_REPL_OBJ sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-MAX_OOM_RETRIES sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-ADVANCED_DISPATCHER sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-CO_BLOCK_SIZE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-SQL_BLOCK_SIZE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-T_GROUP_WBS sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-T_WBS_BRK_RANGE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-T_REPOBJ_RANGE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-T_REPOBJ_BRK_RANGE sy-vline 
WA_PMMO_DISTR_IMPORTING_PARAMS_STR-T_MEM_SNAP_RANGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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