ABAP Select data from SAP table AVIYCOBJ2POOL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP AVIYCOBJ2POOL 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 AVIYCOBJ2POOL. 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 AVIYCOBJ2POOL 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_AVIYCOBJ2POOL TYPE STANDARD TABLE OF AVIYCOBJ2POOL,
      WA_AVIYCOBJ2POOL TYPE AVIYCOBJ2POOL,
      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: <AVIYCOBJ2POOL> TYPE AVIYCOBJ2POOL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_AVIYCOBJ2POOL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM AVIYCOBJ2POOL
  INTO TABLE IT_AVIYCOBJ2POOL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AVIYCOBJ2POOL
*  INTO TABLE @DATA(IT_AVIYCOBJ2POOL2).
*--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_AVIYCOBJ2POOL INDEX 1 INTO DATA(WA_AVIYCOBJ2POOL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_AVIYCOBJ2POOL ASSIGNING <AVIYCOBJ2POOL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AVIYCOBJ2POOL>-MANDT = 1.
<AVIYCOBJ2POOL>-CAM_RO_GUID = 1.
<AVIYCOBJ2POOL>-CAM_POOL_GUID = 1.
<AVIYCOBJ2POOL>-SETTL_GUID = 1.
<AVIYCOBJ2POOL>-RO_OBJNR = 1.

ENDLOOP.

LOOP AT IT_AVIYCOBJ2POOL INTO WA_AVIYCOBJ2POOL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AVIYCOBJ2POOL-VALIDFROM, sy-vline,
  WA_AVIYCOBJ2POOL-VALIDTO, sy-vline,
  WA_AVIYCOBJ2POOL-POSSDATEFROM, sy-vline,
  WA_AVIYCOBJ2POOL-POSSDATETO, sy-vline,
  WA_AVIYCOBJ2POOL-PARTNER, sy-vline,
  WA_AVIYCOBJ2POOL-PARTNEROBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AVIYCOBJ2POOL 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_AVIYCOBJ2POOL 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_AVIYCOBJ2POOL INTO WA_AVIYCOBJ2POOL.


*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 REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_AVIYCOBJ2POOL-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIYCOBJ2POOL-VALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_AVIYCOBJ2POOL-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIYCOBJ2POOL-PARTNER.
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_AVIYCOBJ2POOL_STR, 
MANDT TYPE STRING,
CAM_RO_GUID TYPE STRING,
CAM_POOL_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
RO_OBJNR TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
POSSDATEFROM TYPE STRING,
POSSDATETO TYPE STRING,
PARTNER TYPE STRING,
PARTNEROBJNR TYPE STRING,
CNOBJECT TYPE STRING,
ASSIGNONLYINFO TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AVIYCOBJ2POOL_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_AVIYCOBJ2POOL_STR-MANDT sy-vline 
WA_AVIYCOBJ2POOL_STR-CAM_RO_GUID sy-vline 
WA_AVIYCOBJ2POOL_STR-CAM_POOL_GUID sy-vline 
WA_AVIYCOBJ2POOL_STR-SETTL_GUID sy-vline 
WA_AVIYCOBJ2POOL_STR-RO_OBJNR sy-vline 
WA_AVIYCOBJ2POOL_STR-VALIDFROM sy-vline 
WA_AVIYCOBJ2POOL_STR-VALIDTO sy-vline 
WA_AVIYCOBJ2POOL_STR-POSSDATEFROM sy-vline 
WA_AVIYCOBJ2POOL_STR-POSSDATETO sy-vline 
WA_AVIYCOBJ2POOL_STR-PARTNER sy-vline 
WA_AVIYCOBJ2POOL_STR-PARTNEROBJNR sy-vline 
WA_AVIYCOBJ2POOL_STR-CNOBJECT sy-vline 
WA_AVIYCOBJ2POOL_STR-ASSIGNONLYINFO sy-vline 
WA_AVIYCOBJ2POOL_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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