ABAP Select data from SAP table PCONTRITMLOCKS2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PCONTRITMLOCKS2 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 PCONTRITMLOCKS2. 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 PCONTRITMLOCKS2 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_PCONTRITMLOCKS2 TYPE STANDARD TABLE OF PCONTRITMLOCKS2,
      WA_PCONTRITMLOCKS2 TYPE PCONTRITMLOCKS2,
      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: <PCONTRITMLOCKS2> TYPE PCONTRITMLOCKS2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PCONTRITMLOCKS2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PCONTRITMLOCKS2
  INTO TABLE IT_PCONTRITMLOCKS2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCONTRITMLOCKS2
*  INTO TABLE @DATA(IT_PCONTRITMLOCKS22).
*--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_PCONTRITMLOCKS2 INDEX 1 INTO DATA(WA_PCONTRITMLOCKS22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PCONTRITMLOCKS2 ASSIGNING <PCONTRITMLOCKS2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCONTRITMLOCKS2>-MANDT = 1.
<PCONTRITMLOCKS2>-CACONTRACT = 1.
<PCONTRITMLOCKS2>-CAPROVIDERCONTRACTITEMNUMBER = 1.
<PCONTRITMLOCKS2>-CAPROVIDERCONTRACTITEMUUID = 1.
<PCONTRITMLOCKS2>-CABUSINESSLOCKOBJECTCATEGORY = 1.

ENDLOOP.

LOOP AT IT_PCONTRITMLOCKS2 INTO WA_PCONTRITMLOCKS2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCONTRITMLOCKS2-CABUSINESSLOCKREASON, sy-vline,
  WA_PCONTRITMLOCKS2-CABUSINESSLOCKVALIDFROM, sy-vline,
  WA_PCONTRITMLOCKS2-CABUSINESSLOCKVALIDTO, sy-vline,
  WA_PCONTRITMLOCKS2-LASTCHANGEDATE, sy-vline,
  WA_PCONTRITMLOCKS2-CAORIGINOFDUNNINGMASTERDATA, sy-vline,
  WA_PCONTRITMLOCKS2-CAORIGINOFPAYMENTMASTERDATA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCONTRITMLOCKS2 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_PCONTRITMLOCKS2 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_PCONTRITMLOCKS2 INTO WA_PCONTRITMLOCKS2.


*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 CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCONTRITMLOCKS2-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCONTRITMLOCKS2-CACONTRACT.
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_PCONTRITMLOCKS2_STR, 
MANDT TYPE STRING,
CACONTRACT TYPE STRING,
CAPROVIDERCONTRACTITEMNUMBER TYPE STRING,
CAPROVIDERCONTRACTITEMUUID TYPE STRING,
CABUSINESSLOCKOBJECTCATEGORY TYPE STRING,
CABUSINESSLOCKREASON TYPE STRING,
CABUSINESSLOCKVALIDFROM TYPE STRING,
CABUSINESSLOCKVALIDTO TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CAORIGINOFDUNNINGMASTERDATA TYPE STRING,
CAORIGINOFPAYMENTMASTERDATA TYPE STRING,
CABUSINESSLOCKSEQUENCENUMBER TYPE STRING,
CABUSINESSPROCESS TYPE STRING,
NUMBEROFLOCKS TYPE STRING,
NUMBEROFLOCKREASONS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCONTRITMLOCKS2_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_PCONTRITMLOCKS2_STR-MANDT sy-vline 
WA_PCONTRITMLOCKS2_STR-CACONTRACT sy-vline 
WA_PCONTRITMLOCKS2_STR-CAPROVIDERCONTRACTITEMNUMBER sy-vline 
WA_PCONTRITMLOCKS2_STR-CAPROVIDERCONTRACTITEMUUID sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSLOCKOBJECTCATEGORY sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSLOCKREASON sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSLOCKVALIDFROM sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSLOCKVALIDTO sy-vline 
WA_PCONTRITMLOCKS2_STR-LASTCHANGEDATE sy-vline 
WA_PCONTRITMLOCKS2_STR-CAORIGINOFDUNNINGMASTERDATA sy-vline 
WA_PCONTRITMLOCKS2_STR-CAORIGINOFPAYMENTMASTERDATA sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSLOCKSEQUENCENUMBER sy-vline 
WA_PCONTRITMLOCKS2_STR-CABUSINESSPROCESS sy-vline 
WA_PCONTRITMLOCKS2_STR-NUMBEROFLOCKS sy-vline 
WA_PCONTRITMLOCKS2_STR-NUMBEROFLOCKREASONS sy-vline      INTO ld_text SEPARATED BY SPACE.

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