ABAP Select data from SAP table PC36T into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PC36T 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 PC36T. 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 PC36T 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_PC36T TYPE STANDARD TABLE OF PC36T,
      WA_PC36T TYPE PC36T,
      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: <PC36T> TYPE PC36T.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PC36T.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PC36T
  INTO TABLE IT_PC36T.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PC36T
*  INTO TABLE @DATA(IT_PC36T2).
*--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_PC36T INDEX 1 INTO DATA(WA_PC36T2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PC36T ASSIGNING <PC36T>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PC36T>-APZNR = 1.
<PC36T>-BEGDA = 1.
<PC36T>-ENDDA = 1.
<PC36T>-MASSN = 1.
<PC36T>-MASSG = 1.

ENDLOOP.

LOOP AT IT_PC36T INTO WA_PC36T.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PC36T-STAT1, sy-vline,
  WA_PC36T-STAT2, sy-vline,
  WA_PC36T-STAT3, sy-vline,
  WA_PC36T-AKTIVJN, sy-vline,
  WA_PC36T-BUKRS, sy-vline,
  WA_PC36T-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PC36T 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_PC36T 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_PC36T INTO WA_PC36T.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PC36T-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PC36T-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PC36T-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PC36T-GRANT_NBR.
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_PC36T_STR, 
APZNR TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
STAT1 TYPE STRING,
STAT2 TYPE STRING,
STAT3 TYPE STRING,
AKTIVJN TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
KOSTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ABART TYPE STRING,
PLANS TYPE STRING,
GSBER TYPE STRING,
VDSK1 TYPE STRING,
ANSVH TYPE STRING,
ORGEH TYPE STRING,
STELL TYPE STRING,
ZTERF TYPE STRING,
SCHKZ TYPE STRING,
EMPCT TYPE STRING,
KSOLL TYPE STRING,
ASOLL TYPE STRING,
SSOLL TYPE STRING,
KDIVI TYPE STRING,
ADIVI TYPE STRING,
SDIVI TYPE STRING,
DIVGV TYPE STRING,
BSGRD TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
KOSTVJN TYPE STRING,
DYSCH TYPE STRING,
ARBST TYPE STRING,
WKWDY TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
TAXNUM TYPE STRING,
LAND TYPE STRING,
PRIRR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PC36T_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_PC36T_STR-APZNR sy-vline 
WA_PC36T_STR-BEGDA sy-vline 
WA_PC36T_STR-ENDDA sy-vline 
WA_PC36T_STR-MASSN sy-vline 
WA_PC36T_STR-MASSG sy-vline 
WA_PC36T_STR-STAT1 sy-vline 
WA_PC36T_STR-STAT2 sy-vline 
WA_PC36T_STR-STAT3 sy-vline 
WA_PC36T_STR-AKTIVJN sy-vline 
WA_PC36T_STR-BUKRS sy-vline 
WA_PC36T_STR-WERKS sy-vline 
WA_PC36T_STR-BTRTL sy-vline 
WA_PC36T_STR-KOSTL sy-vline 
WA_PC36T_STR-PERSG sy-vline 
WA_PC36T_STR-PERSK sy-vline 
WA_PC36T_STR-ABART sy-vline 
WA_PC36T_STR-PLANS sy-vline 
WA_PC36T_STR-GSBER sy-vline 
WA_PC36T_STR-VDSK1 sy-vline 
WA_PC36T_STR-ANSVH sy-vline 
WA_PC36T_STR-ORGEH sy-vline 
WA_PC36T_STR-STELL sy-vline 
WA_PC36T_STR-ZTERF sy-vline 
WA_PC36T_STR-SCHKZ sy-vline 
WA_PC36T_STR-EMPCT sy-vline 
WA_PC36T_STR-KSOLL sy-vline 
WA_PC36T_STR-ASOLL sy-vline 
WA_PC36T_STR-SSOLL sy-vline 
WA_PC36T_STR-KDIVI sy-vline 
WA_PC36T_STR-ADIVI sy-vline 
WA_PC36T_STR-SDIVI sy-vline 
WA_PC36T_STR-DIVGV sy-vline 
WA_PC36T_STR-BSGRD sy-vline 
WA_PC36T_STR-TRFAR sy-vline 
WA_PC36T_STR-TRFGB sy-vline 
WA_PC36T_STR-TRFGR sy-vline 
WA_PC36T_STR-TRFST sy-vline 
WA_PC36T_STR-KOSTVJN sy-vline 
WA_PC36T_STR-DYSCH sy-vline 
WA_PC36T_STR-ARBST sy-vline 
WA_PC36T_STR-WKWDY sy-vline 
WA_PC36T_STR-FISTL sy-vline 
WA_PC36T_STR-GEBER sy-vline 
WA_PC36T_STR-FKBER sy-vline 
WA_PC36T_STR-GRANT_NBR sy-vline 
WA_PC36T_STR-TAXNUM sy-vline 
WA_PC36T_STR-LAND sy-vline 
WA_PC36T_STR-PRIRR sy-vline      INTO ld_text SEPARATED BY SPACE.

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