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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TTAREAKO
*  INTO TABLE @DATA(IT_/SAPAPO/TTAREAKO2).
*--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/TTAREAKO INDEX 1 INTO DATA(WA_/SAPAPO/TTAREAKO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TTAREAKO>-MANDT = 1.
</SAPAPO/TTAREAKO>-PAREAID = 1.
</SAPAPO/TTAREAKO>-PAREANAME = 1.
</SAPAPO/TTAREAKO>-TGRIDID = 1.
</SAPAPO/TTAREAKO>-LCNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TTAREAKO-BAS_PLOBID, sy-vline,
  WA_/SAPAPO/TTAREAKO-BASME, sy-vline,
  WA_/SAPAPO/TTAREAKO-STWAE, sy-vline,
  WA_/SAPAPO/TTAREAKO-KURST, sy-vline,
  WA_/SAPAPO/TTAREAKO-OBJSTAT, sy-vline,
  WA_/SAPAPO/TTAREAKO-DOCTAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TTAREAKO 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/TTAREAKO 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/TTAREAKO INTO WA_/SAPAPO/TTAREAKO.


*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 PARE2, internal->external for field PAREAID
CALL FUNCTION 'CONVERSION_EXIT_PARE2_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TTAREAKO-PAREAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TTAREAKO-PAREAID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PLOBC, internal->external for field BAS_PLOBID
CALL FUNCTION 'CONVERSION_EXIT_PLOBC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TTAREAKO-BAS_PLOBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TTAREAKO-BAS_PLOBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TTAREAKO-BASME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TTAREAKO-BASME.
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/TTAREAKO_STR, 
MANDT TYPE STRING,
PAREAID TYPE STRING,
PAREANAME TYPE STRING,
TGRIDID TYPE STRING,
LCNAME TYPE STRING,
BAS_PLOBID TYPE STRING,
BASME TYPE STRING,
STWAE TYPE STRING,
KURST TYPE STRING,
OBJSTAT TYPE STRING,
DOCTAB TYPE STRING,
SELTAB TYPE STRING,
LOCPROD_HIER TYPE STRING,
PPM_HIER TYPE STRING,
CDAT TYPE STRING,
CTIME TYPE STRING,
AUTOR TYPE STRING,
UDAT TYPE STRING,
UPNAM TYPE STRING,
UTIME TYPE STRING,
EXPORT_STRU TYPE STRING,
FLG_NEW_LOCK_OFF TYPE STRING,
APODPDANT_KF_ID TYPE STRING,
BOM_PARA_KF_ID TYPE STRING,
TSTP TYPE STRING,
KEYFS_LOCK TYPE STRING,
KEYFS_LOCK_RO TYPE STRING,
LC_LOCK TYPE STRING,
FIX_PROP TYPE STRING,
ZERO_INI TYPE STRING,
ZERO_FIX TYPE STRING,
RES_HIER TYPE STRING,
LOCPROD_HIER_S TYPE STRING,
PPM_HIER_S TYPE STRING,
RES_HIER_S TYPE STRING,
SEASON_PATTERN TYPE STRING,
TRACK_TSDM TYPE STRING,
TSDM_PLOBJ TYPE STRING,
DISAGG_ORDER TYPE STRING,
TD_HIER TYPE STRING,
TD_HIER_S TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TTAREAKO_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/TTAREAKO_STR-MANDT sy-vline 
WA_/SAPAPO/TTAREAKO_STR-PAREAID sy-vline 
WA_/SAPAPO/TTAREAKO_STR-PAREANAME sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TGRIDID sy-vline 
WA_/SAPAPO/TTAREAKO_STR-LCNAME sy-vline 
WA_/SAPAPO/TTAREAKO_STR-BAS_PLOBID sy-vline 
WA_/SAPAPO/TTAREAKO_STR-BASME sy-vline 
WA_/SAPAPO/TTAREAKO_STR-STWAE sy-vline 
WA_/SAPAPO/TTAREAKO_STR-KURST sy-vline 
WA_/SAPAPO/TTAREAKO_STR-OBJSTAT sy-vline 
WA_/SAPAPO/TTAREAKO_STR-DOCTAB sy-vline 
WA_/SAPAPO/TTAREAKO_STR-SELTAB sy-vline 
WA_/SAPAPO/TTAREAKO_STR-LOCPROD_HIER sy-vline 
WA_/SAPAPO/TTAREAKO_STR-PPM_HIER sy-vline 
WA_/SAPAPO/TTAREAKO_STR-CDAT sy-vline 
WA_/SAPAPO/TTAREAKO_STR-CTIME sy-vline 
WA_/SAPAPO/TTAREAKO_STR-AUTOR sy-vline 
WA_/SAPAPO/TTAREAKO_STR-UDAT sy-vline 
WA_/SAPAPO/TTAREAKO_STR-UPNAM sy-vline 
WA_/SAPAPO/TTAREAKO_STR-UTIME sy-vline 
WA_/SAPAPO/TTAREAKO_STR-EXPORT_STRU sy-vline 
WA_/SAPAPO/TTAREAKO_STR-FLG_NEW_LOCK_OFF sy-vline 
WA_/SAPAPO/TTAREAKO_STR-APODPDANT_KF_ID sy-vline 
WA_/SAPAPO/TTAREAKO_STR-BOM_PARA_KF_ID sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TSTP sy-vline 
WA_/SAPAPO/TTAREAKO_STR-KEYFS_LOCK sy-vline 
WA_/SAPAPO/TTAREAKO_STR-KEYFS_LOCK_RO sy-vline 
WA_/SAPAPO/TTAREAKO_STR-LC_LOCK sy-vline 
WA_/SAPAPO/TTAREAKO_STR-FIX_PROP sy-vline 
WA_/SAPAPO/TTAREAKO_STR-ZERO_INI sy-vline 
WA_/SAPAPO/TTAREAKO_STR-ZERO_FIX sy-vline 
WA_/SAPAPO/TTAREAKO_STR-RES_HIER sy-vline 
WA_/SAPAPO/TTAREAKO_STR-LOCPROD_HIER_S sy-vline 
WA_/SAPAPO/TTAREAKO_STR-PPM_HIER_S sy-vline 
WA_/SAPAPO/TTAREAKO_STR-RES_HIER_S sy-vline 
WA_/SAPAPO/TTAREAKO_STR-SEASON_PATTERN sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TRACK_TSDM sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TSDM_PLOBJ sy-vline 
WA_/SAPAPO/TTAREAKO_STR-DISAGG_ORDER sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TD_HIER sy-vline 
WA_/SAPAPO/TTAREAKO_STR-TD_HIER_S sy-vline      INTO ld_text SEPARATED BY SPACE.

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