ABAP Select data from SAP table PVCHTRALLPARSRCH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PVCHTRALLPARSRCH
*  INTO TABLE @DATA(IT_PVCHTRALLPARSRCH2).
*--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_PVCHTRALLPARSRCH INDEX 1 INTO DATA(WA_PVCHTRALLPARSRCH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PVCHTRALLPARSRCH>-MANDT = 1.
<PVCHTRALLPARSRCH>-TRACE_GUID = 1.
<PVCHTRALLPARSRCH>-ROUNDTRIP_NO = 1.
<PVCHTRALLPARSRCH>-ENTRY_NO = 1.
<PVCHTRALLPARSRCH>-INSTANCE_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PVCHTRALLPARSRCH-CSTIC_ID, sy-vline,
  WA_PVCHTRALLPARSRCH-CSTIC_NAME, sy-vline,
  WA_PVCHTRALLPARSRCH-CSTIC_IO_TYPE, sy-vline,
  WA_PVCHTRALLPARSRCH-DEPENDENCY_INSTANCE_ID, sy-vline,
  WA_PVCHTRALLPARSRCH-DEPENDENCY_ID, sy-vline,
  WA_PVCHTRALLPARSRCH-DEPENDENCY_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PVCHTRALLPARSRCH 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_PVCHTRALLPARSRCH 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_PVCHTRALLPARSRCH INTO WA_PVCHTRALLPARSRCH.


*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 MATN1, internal->external for field BOM_COMPONENT_NAME
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PVCHTRALLPARSRCH-BOM_COMPONENT_NAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVCHTRALLPARSRCH-BOM_COMPONENT_NAME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field BILL_OF_OPERATIONS_OPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PVCHTRALLPARSRCH-BILL_OF_OPERATIONS_OPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVCHTRALLPARSRCH-BILL_OF_OPERATIONS_OPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILL_OF_OPERATIONS_SEQUENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PVCHTRALLPARSRCH-BILL_OF_OPERATIONS_SEQUENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PVCHTRALLPARSRCH-BILL_OF_OPERATIONS_SEQUENCE.
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_PVCHTRALLPARSRCH_STR, 
MANDT TYPE STRING,
TRACE_GUID TYPE STRING,
ROUNDTRIP_NO TYPE STRING,
ENTRY_NO TYPE STRING,
INSTANCE_ID TYPE STRING,
CSTIC_ID TYPE STRING,
CSTIC_NAME TYPE STRING,
CSTIC_IO_TYPE TYPE STRING,
DEPENDENCY_INSTANCE_ID TYPE STRING,
DEPENDENCY_ID TYPE STRING,
DEPENDENCY_NAME TYPE STRING,
DEPENDENCY_OBJECT_ID TYPE STRING,
DEPENDENCY_RESULT_ID TYPE STRING,
DEPENDENCY_RESULT_IO_TYPE TYPE STRING,
DEPENDENCY_RESULT_SUB_IDX TYPE STRING,
BOM_COMPONENT_ID TYPE STRING,
BOM_COMPONENT_NAME TYPE STRING,
BOO_OPERATION_INTERNAL_ID TYPE STRING,
BILL_OF_OPERATIONS_OPERATION TYPE STRING,
OPERATION_TEXT TYPE STRING,
BILL_OF_OPERATIONS_SEQUENCE TYPE STRING,
SEQUENCE_TEXT TYPE STRING,
BOO_PRT_INTERNAL_ID TYPE STRING,
PRODN_RSCE_TOOL_TEXT TYPE STRING,
CLASS_NUMBER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PVCHTRALLPARSRCH_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_PVCHTRALLPARSRCH_STR-MANDT sy-vline 
WA_PVCHTRALLPARSRCH_STR-TRACE_GUID sy-vline 
WA_PVCHTRALLPARSRCH_STR-ROUNDTRIP_NO sy-vline 
WA_PVCHTRALLPARSRCH_STR-ENTRY_NO sy-vline 
WA_PVCHTRALLPARSRCH_STR-INSTANCE_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-CSTIC_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-CSTIC_NAME sy-vline 
WA_PVCHTRALLPARSRCH_STR-CSTIC_IO_TYPE sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_INSTANCE_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_NAME sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_OBJECT_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_RESULT_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_RESULT_IO_TYPE sy-vline 
WA_PVCHTRALLPARSRCH_STR-DEPENDENCY_RESULT_SUB_IDX sy-vline 
WA_PVCHTRALLPARSRCH_STR-BOM_COMPONENT_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-BOM_COMPONENT_NAME sy-vline 
WA_PVCHTRALLPARSRCH_STR-BOO_OPERATION_INTERNAL_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-BILL_OF_OPERATIONS_OPERATION sy-vline 
WA_PVCHTRALLPARSRCH_STR-OPERATION_TEXT sy-vline 
WA_PVCHTRALLPARSRCH_STR-BILL_OF_OPERATIONS_SEQUENCE sy-vline 
WA_PVCHTRALLPARSRCH_STR-SEQUENCE_TEXT sy-vline 
WA_PVCHTRALLPARSRCH_STR-BOO_PRT_INTERNAL_ID sy-vline 
WA_PVCHTRALLPARSRCH_STR-PRODN_RSCE_TOOL_TEXT sy-vline 
WA_PVCHTRALLPARSRCH_STR-CLASS_NUMBER sy-vline      INTO ld_text SEPARATED BY SPACE.

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