ABAP Select data from SAP table EHPRCS_ACP_ENTRY_ROOT_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_ACP_ENTRY_ROOT_D
*  INTO TABLE @DATA(IT_EHPRCS_ACP_ENTRY_ROOT_D2).
*--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_EHPRCS_ACP_ENTRY_ROOT_D INDEX 1 INTO DATA(WA_EHPRCS_ACP_ENTRY_ROOT_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_ACP_ENTRY_ROOT_D>-DATETIME_CR = 1.
<EHPRCS_ACP_ENTRY_ROOT_D>-USER_ID_CR = 1.
<EHPRCS_ACP_ENTRY_ROOT_D>-DATETIME_CH = 1.
<EHPRCS_ACP_ENTRY_ROOT_D>-USER_ID_CH = 1.
<EHPRCS_ACP_ENTRY_ROOT_D>-COD_ROOT_KEY_REF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_ACP_ENTRY_ROOT_D-COMPLIANCE_REQ, sy-vline,
  WA_EHPRCS_ACP_ENTRY_ROOT_D-COMPLIANCE_REQ_KEY, sy-vline,
  WA_EHPRCS_ACP_ENTRY_ROOT_D-ACTION, sy-vline,
  WA_EHPRCS_ACP_ENTRY_ROOT_D-CHANGE, sy-vline,
  WA_EHPRCS_ACP_ENTRY_ROOT_D-DEPEND_KEY_REF, sy-vline,
  WA_EHPRCS_ACP_ENTRY_ROOT_D-CHG_INIT_KEY_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_ACP_ENTRY_ROOT_D 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_EHPRCS_ACP_ENTRY_ROOT_D 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_EHPRCS_ACP_ENTRY_ROOT_D INTO WA_EHPRCS_ACP_ENTRY_ROOT_D.


*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_EHPRCS_ACP_ENTRY_ROOT_D-DATETIME_CR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ACP_ENTRY_ROOT_D-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_EHPRCS_ACP_ENTRY_ROOT_D-DATETIME_CH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ACP_ENTRY_ROOT_D-DATETIME_CH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DFVAL, internal->external for field ACTION
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ACP_ENTRY_ROOT_D-ACTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ACP_ENTRY_ROOT_D-ACTION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DFVAL, internal->external for field CHANGE
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ACP_ENTRY_ROOT_D-CHANGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ACP_ENTRY_ROOT_D-CHANGE.
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_EHPRCS_ACP_ENTRY_ROOT_D_STR, 
DATETIME_CR TYPE STRING,
USER_ID_CR TYPE STRING,
DATETIME_CH TYPE STRING,
USER_ID_CH TYPE STRING,
COD_ROOT_KEY_REF TYPE STRING,
COMPLIANCE_REQ TYPE STRING,
COMPLIANCE_REQ_KEY TYPE STRING,
ACTION TYPE STRING,
CHANGE TYPE STRING,
DEPEND_KEY_REF TYPE STRING,
CHG_INIT_KEY_REF TYPE STRING,
ERROR_COUNT TYPE STRING,
FATAL_ERROR TYPE STRING,
APPL_LOG_HANDLE TYPE STRING,
LOG_MSG_COUNT TYPE STRING,
EEW_ACPE_ROOT_D TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_ACP_ENTRY_ROOT_D_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_EHPRCS_ACP_ENTRY_ROOT_D_STR-DATETIME_CR sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-USER_ID_CR sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-DATETIME_CH sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-USER_ID_CH sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-COD_ROOT_KEY_REF sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-COMPLIANCE_REQ sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-COMPLIANCE_REQ_KEY sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-ACTION sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-CHANGE sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-DEPEND_KEY_REF sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-CHG_INIT_KEY_REF sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-ERROR_COUNT sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-FATAL_ERROR sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-APPL_LOG_HANDLE sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-LOG_MSG_COUNT sy-vline 
WA_EHPRCS_ACP_ENTRY_ROOT_D_STR-EEW_ACPE_ROOT_D sy-vline      INTO ld_text SEPARATED BY SPACE.

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