ABAP Select data from SAP table EHPRCD_PCR_COMPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCD_PCR_COMPL
*  INTO TABLE @DATA(IT_EHPRCD_PCR_COMPL2).
*--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_EHPRCD_PCR_COMPL INDEX 1 INTO DATA(WA_EHPRCD_PCR_COMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCD_PCR_COMPL>-MANDT = 1.
<EHPRCD_PCR_COMPL>-DB_KEY = 1.
<EHPRCD_PCR_COMPL>-PARENT_KEY = 1.
<EHPRCD_PCR_COMPL>-NODE_CAT_KEY = 1.
<EHPRCD_PCR_COMPL>-DATETIME_CR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCD_PCR_COMPL-USER_ID_CR, sy-vline,
  WA_EHPRCD_PCR_COMPL-DATETIME_CH, sy-vline,
  WA_EHPRCD_PCR_COMPL-USER_ID_CH, sy-vline,
  WA_EHPRCD_PCR_COMPL-CRITID, sy-vline,
  WA_EHPRCD_PCR_COMPL-REGLIST, sy-vline,
  WA_EHPRCD_PCR_COMPL-CHKRESULT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCD_PCR_COMPL 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_EHPRCD_PCR_COMPL 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_EHPRCD_PCR_COMPL INTO WA_EHPRCD_PCR_COMPL.


*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 TSTLC, internal->external for field DATETIME_CR
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCD_PCR_COMPL-DATETIME_CR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCD_PCR_COMPL-DATETIME_CR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field DATETIME_CH
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCD_PCR_COMPL-DATETIME_CH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCD_PCR_COMPL-DATETIME_CH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHRGL, internal->external for field REGLIST
CALL FUNCTION 'CONVERSION_EXIT_EHRGL_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCD_PCR_COMPL-REGLIST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCD_PCR_COMPL-REGLIST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCD_PCR_COMPL-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCD_PCR_COMPL-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACTN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCD_PCR_COMPL-ACTN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCD_PCR_COMPL-ACTN.
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_EHPRCD_PCR_COMPL_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
NODE_CAT_KEY TYPE STRING,
DATETIME_CR TYPE STRING,
USER_ID_CR TYPE STRING,
DATETIME_CH TYPE STRING,
USER_ID_CH TYPE STRING,
CRITID TYPE STRING,
REGLIST TYPE STRING,
CHKRESULT TYPE STRING,
CHKDATE TYPE STRING,
ORIGIN TYPE STRING,
OBJECT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
MSGTY TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
PROCESSED_IND TYPE STRING,
STARTED_IND TYPE STRING,
EEW_PCR_COMCHK_D TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCD_PCR_COMPL_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_EHPRCD_PCR_COMPL_STR-MANDT sy-vline 
WA_EHPRCD_PCR_COMPL_STR-DB_KEY sy-vline 
WA_EHPRCD_PCR_COMPL_STR-PARENT_KEY sy-vline 
WA_EHPRCD_PCR_COMPL_STR-NODE_CAT_KEY sy-vline 
WA_EHPRCD_PCR_COMPL_STR-DATETIME_CR sy-vline 
WA_EHPRCD_PCR_COMPL_STR-USER_ID_CR sy-vline 
WA_EHPRCD_PCR_COMPL_STR-DATETIME_CH sy-vline 
WA_EHPRCD_PCR_COMPL_STR-USER_ID_CH sy-vline 
WA_EHPRCD_PCR_COMPL_STR-CRITID sy-vline 
WA_EHPRCD_PCR_COMPL_STR-REGLIST sy-vline 
WA_EHPRCD_PCR_COMPL_STR-CHKRESULT sy-vline 
WA_EHPRCD_PCR_COMPL_STR-CHKDATE sy-vline 
WA_EHPRCD_PCR_COMPL_STR-ORIGIN sy-vline 
WA_EHPRCD_PCR_COMPL_STR-OBJECT sy-vline 
WA_EHPRCD_PCR_COMPL_STR-RECN sy-vline 
WA_EHPRCD_PCR_COMPL_STR-ACTN sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGTY sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGID sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGNO sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGV1 sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGV2 sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGV3 sy-vline 
WA_EHPRCD_PCR_COMPL_STR-MSGV4 sy-vline 
WA_EHPRCD_PCR_COMPL_STR-LOG_NO sy-vline 
WA_EHPRCD_PCR_COMPL_STR-LOG_MSG_NO sy-vline 
WA_EHPRCD_PCR_COMPL_STR-PROCESSED_IND sy-vline 
WA_EHPRCD_PCR_COMPL_STR-STARTED_IND sy-vline 
WA_EHPRCD_PCR_COMPL_STR-EEW_PCR_COMCHK_D sy-vline      INTO ld_text SEPARATED BY SPACE.

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