ABAP Select data from SAP table /SAPAPO/RTOUI_ACTIVITY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RTOUI_ACTIVITY 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 /SAPAPO/RTOUI_ACTIVITY. 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 /SAPAPO/RTOUI_ACTIVITY 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_/SAPAPO/RTOUI_ACTIVITY TYPE STANDARD TABLE OF /SAPAPO/RTOUI_ACTIVITY,
      WA_/SAPAPO/RTOUI_ACTIVITY TYPE /SAPAPO/RTOUI_ACTIVITY,
      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: </SAPAPO/RTOUI_ACTIVITY> TYPE /SAPAPO/RTOUI_ACTIVITY.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RTOUI_ACTIVITY
  INTO TABLE IT_/SAPAPO/RTOUI_ACTIVITY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RTOUI_ACTIVITY
*  INTO TABLE @DATA(IT_/SAPAPO/RTOUI_ACTIVITY2).
*--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_/SAPAPO/RTOUI_ACTIVITY INDEX 1 INTO DATA(WA_/SAPAPO/RTOUI_ACTIVITY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RTOUI_ACTIVITY ASSIGNING </SAPAPO/RTOUI_ACTIVITY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RTOUI_ACTIVITY>-DETAIL = 1.
</SAPAPO/RTOUI_ACTIVITY>-ACTNR = 1.
</SAPAPO/RTOUI_ACTIVITY>-PNAME = 1.
</SAPAPO/RTOUI_ACTIVITY>-PLANNING = 1.
</SAPAPO/RTOUI_ACTIVITY>-DATE_FROM = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RTOUI_ACTIVITY INTO WA_/SAPAPO/RTOUI_ACTIVITY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RTOUI_ACTIVITY-DATE_TO, sy-vline,
  WA_/SAPAPO/RTOUI_ACTIVITY-KNOBJ_ICON, sy-vline,
  WA_/SAPAPO/RTOUI_ACTIVITY-ACTTYPE_TEXT, sy-vline,
  WA_/SAPAPO/RTOUI_ACTIVITY-ACTTYPE_SORT, sy-vline,
  WA_/SAPAPO/RTOUI_ACTIVITY-MATFLOW, sy-vline,
  WA_/SAPAPO/RTOUI_ACTIVITY-VORNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RTOUI_ACTIVITY 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_/SAPAPO/RTOUI_ACTIVITY 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_/SAPAPO/RTOUI_ACTIVITY INTO WA_/SAPAPO/RTOUI_ACTIVITY.


*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 ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RTOUI_ACTIVITY-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RTOUI_ACTIVITY-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RTOUI_ACTIVITY-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RTOUI_ACTIVITY-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SEQ_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RTOUI_ACTIVITY-SEQ_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RTOUI_ACTIVITY-SEQ_UNIT.
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_/SAPAPO/RTOUI_ACTIVITY_STR, 
DETAIL TYPE STRING,
ACTNR TYPE STRING,
PNAME TYPE STRING,
PLANNING TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
KNOBJ_ICON TYPE STRING,
ACTTYPE_TEXT TYPE STRING,
ACTTYPE_SORT TYPE STRING,
MATFLOW TYPE STRING,
VORNR TYPE STRING,
OPRCOUNTER TYPE STRING,
SETUP TYPE STRING,
IS_SETUP_ACT TYPE STRING,
SETUP_ITEM TYPE STRING,
SETUP_TEXT TYPE STRING,
LOCATION TYPE STRING,
GROUP_ID TYPE STRING,
ITEM_ID TYPE STRING,
CHAR_SETUP TYPE STRING,
AENNR TYPE STRING,
BMSCH TYPE STRING,
MEINH TYPE STRING,
SCRAPFAC TYPE STRING,
OVERLAP TYPE STRING,
MINWE TYPE STRING,
BLOCK_PLANNING_ICON TYPE STRING,
BLOCK_PLANNING_CLASS TYPE STRING,
VALU_TYPE TYPE STRING,
TDPP_FLAG TYPE STRING,
IPPE_NODE TYPE STRING,
ACTID TYPE STRING,
ACTGUID TYPE STRING,
SEQ_UNIT TYPE STRING,
ADD_FIELDS TYPE STRING,
%%SAPDUMMYUNIT TYPE STRING,
%%SAPDUMMYCUKY TYPE STRING,
ABL_ZAHL TYPE STRING,
FIX_AS_E TYPE STRING,
FIX_AS_J TYPE STRING,
FIX_AS_L TYPE STRING,
MAX_FERTL TYPE STRING,
MET_LRCH TYPE STRING,
RUNDFAKT TYPE STRING,
CELLTAB TYPE STRING,
SETUP_VALUES TYPE STRING,
SYNC_CONTROL TYPE STRING,
LOTSIZE_FROM TYPE STRING,
LOTSIZE_TO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RTOUI_ACTIVITY_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_/SAPAPO/RTOUI_ACTIVITY_STR-DETAIL sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ACTNR sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-PNAME sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-PLANNING sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-DATE_FROM sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-DATE_TO sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-KNOBJ_ICON sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ACTTYPE_TEXT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ACTTYPE_SORT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-MATFLOW sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-VORNR sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-OPRCOUNTER sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SETUP sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-IS_SETUP_ACT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SETUP_ITEM sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SETUP_TEXT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-LOCATION sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-GROUP_ID sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ITEM_ID sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-CHAR_SETUP sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-AENNR sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-BMSCH sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-MEINH sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SCRAPFAC sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-OVERLAP sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-MINWE sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-BLOCK_PLANNING_ICON sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-BLOCK_PLANNING_CLASS sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-VALU_TYPE sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-TDPP_FLAG sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-IPPE_NODE sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ACTID sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ACTGUID sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SEQ_UNIT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ADD_FIELDS sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-%%SAPDUMMYUNIT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-%%SAPDUMMYCUKY sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-ABL_ZAHL sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-FIX_AS_E sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-FIX_AS_J sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-FIX_AS_L sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-MAX_FERTL sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-MET_LRCH sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-RUNDFAKT sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-CELLTAB sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SETUP_VALUES sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-SYNC_CONTROL sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-LOTSIZE_FROM sy-vline 
WA_/SAPAPO/RTOUI_ACTIVITY_STR-LOTSIZE_TO sy-vline      INTO ld_text SEPARATED BY SPACE.

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