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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TTPLOBKO
*  INTO TABLE @DATA(IT_/SAPAPO/TTPLOBKO2).
*--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/TTPLOBKO INDEX 1 INTO DATA(WA_/SAPAPO/TTPLOBKO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TTPLOBKO>-MANDT = 1.
</SAPAPO/TTPLOBKO>-PLOBID = 1.
</SAPAPO/TTPLOBKO>-PLOBNAME = 1.
</SAPAPO/TTPLOBKO>-PLOBTEXT = 1.
</SAPAPO/TTPLOBKO>-PLOBTYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TTPLOBKO-BAS_PLOBID, sy-vline,
  WA_/SAPAPO/TTPLOBKO-ANCID, sy-vline,
  WA_/SAPAPO/TTPLOBKO-AGGRUID, sy-vline,
  WA_/SAPAPO/TTPLOBKO-CDAT, sy-vline,
  WA_/SAPAPO/TTPLOBKO-CTIME, sy-vline,
  WA_/SAPAPO/TTPLOBKO-AUTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TTPLOBKO 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/TTPLOBKO 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/TTPLOBKO INTO WA_/SAPAPO/TTPLOBKO.


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

*Conversion exit PLOBC, internal->external for field BAS_PLOBID
CALL FUNCTION 'CONVERSION_EXIT_PLOBC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TTPLOBKO-BAS_PLOBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TTPLOBKO-BAS_PLOBID.
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/TTPLOBKO_STR, 
MANDT TYPE STRING,
PLOBID TYPE STRING,
PLOBNAME TYPE STRING,
PLOBTEXT TYPE STRING,
PLOBTYP TYPE STRING,
BAS_PLOBID TYPE STRING,
ANCID TYPE STRING,
AGGRUID TYPE STRING,
CDAT TYPE STRING,
CTIME TYPE STRING,
AUTOR TYPE STRING,
UDAT TYPE STRING,
UPNAM TYPE STRING,
UTIME TYPE STRING,
REQUID TYPE STRING,
SID_REQUID TYPE STRING,
BLOCK TYPE STRING,
LIMIT TYPE STRING,
SNP_PLAN TYPE STRING,
SNP_PLAN_LP TYPE STRING,
CDP_FLAG TYPE STRING,
OBJSTAT TYPE STRING,
DP_BOM TYPE STRING,
LAST_GEN TYPE STRING,
IOBJNM_MAT TYPE STRING,
IOBJNM_LOC TYPE STRING,
SNP_PLAN_FW TYPE STRING,
APPLICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TTPLOBKO_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/TTPLOBKO_STR-MANDT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-PLOBID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-PLOBNAME sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-PLOBTEXT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-PLOBTYP sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-BAS_PLOBID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-ANCID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-AGGRUID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-CDAT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-CTIME sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-AUTOR sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-UDAT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-UPNAM sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-UTIME sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-REQUID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-SID_REQUID sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-BLOCK sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-LIMIT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-SNP_PLAN sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-SNP_PLAN_LP sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-CDP_FLAG sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-OBJSTAT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-DP_BOM sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-LAST_GEN sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-IOBJNM_MAT sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-IOBJNM_LOC sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-SNP_PLAN_FW sy-vline 
WA_/SAPAPO/TTPLOBKO_STR-APPLICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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