ABAP Select data from SAP table HAP_S_DOCUMENT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HAP_S_DOCUMENT
*  INTO TABLE @DATA(IT_HAP_S_DOCUMENT2).
*--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_HAP_S_DOCUMENT INDEX 1 INTO DATA(WA_HAP_S_DOCUMENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HAP_S_DOCUMENT>-ADD_ON_APPLICATION = 1.
<HAP_S_DOCUMENT>-PLAN_VERSION = 1.
<HAP_S_DOCUMENT>-TEMPLATE_ID = 1.
<HAP_S_DOCUMENT>-S_APPRAISAL_ID = 1.
<HAP_S_DOCUMENT>-APPRAISAL_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HAP_S_DOCUMENT-PART_AP_ID, sy-vline,
  WA_HAP_S_DOCUMENT-S_DOC_PROCESSING, sy-vline,
  WA_HAP_S_DOCUMENT-MODE, sy-vline,
  WA_HAP_S_DOCUMENT-UI_MODE, sy-vline,
  WA_HAP_S_DOCUMENT-DOCUMENT_MODE, sy-vline,
  WA_HAP_S_DOCUMENT-BUTTON_MODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HAP_S_DOCUMENT 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_HAP_S_DOCUMENT 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_HAP_S_DOCUMENT INTO WA_HAP_S_DOCUMENT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_HAP_S_DOCUMENT_STR, 
ADD_ON_APPLICATION TYPE STRING,
PLAN_VERSION TYPE STRING,
TEMPLATE_ID TYPE STRING,
S_APPRAISAL_ID TYPE STRING,
APPRAISAL_ID TYPE STRING,
PART_AP_ID TYPE STRING,
S_DOC_PROCESSING TYPE STRING,
MODE TYPE STRING,
UI_MODE TYPE STRING,
DOCUMENT_MODE TYPE STRING,
BUTTON_MODE TYPE STRING,
ADMINISTRATOR TYPE STRING,
ADD_ON_APPLICATION TYPE STRING,
COMPLETE_DOCUMENT TYPE STRING,
TEMPLATE_MODE TYPE STRING,
ONLY_ONE_ALLOWED TYPE STRING,
NO_SELFAPPRAISAL TYPE STRING,
NO_OBJECTIVE_PHASE TYPE STRING,
NO_REVIEW_PHASE TYPE STRING,
NO_APPRAISAL_PHASE TYPE STRING,
NO_DATE_CHECK TYPE STRING,
WORKFLOW_ACTIVE TYPE STRING,
ATTACHMENT_ALLOW TYPE STRING,
MULTI_APPRAISERS TYPE STRING,
MULTI_APPRAISEES TYPE STRING,
ACTIONLOG_ACTIVE TYPE STRING,
ARCHIVED_PROCESS TYPE STRING,
NO_APPERS_AUTH TYPE STRING,
DYNAMIC_TEMPLATE TYPE STRING,
DOC_ENQUEUE TYPE STRING,
NUMBER_OF_PART_APPERS TYPE STRING,
REAL_360 TYPE STRING,
DYNAMIC_EVENT TYPE STRING,
ATTACHMENT_MODE TYPE STRING,
DRAFT_NOTES_ALLOWED TYPE STRING,
OFFLINE_DEQUEUE TYPE STRING,
SKIP_IN_PREPARATION TYPE STRING,
S_HEADER_TEXTS TYPE STRING,
APPRAISAL_TXT TYPE STRING,
APPRAISAL_NAME TYPE STRING,
STATUS_TXT TYPE STRING,
APPER_TYPE_TXT TYPE STRING,
APPER_TYPE_TXT_M TYPE STRING,
APPEE_TYPE_TXT TYPE STRING,
APPEE_TYPE_TXT_M TYPE STRING,
P_APPER_TYPE_TXT TYPE STRING,
P_APPER_TYPE_M TYPE STRING,
OTHER_TYPE_TXT TYPE STRING,
VAL_PERIOD_TXT TYPE STRING,
EXE_PERIOD_TXT TYPE STRING,
OBJ_DATE_TXT TYPE STRING,
REV_DATE_TXT TYPE STRING,
APP_DATE_TXT TYPE STRING,
T_HEADER_APPRAISER TYPE STRING,
T_HEADER_APPRAISEE TYPE STRING,
T_HEADER_PART_APPRAISERS TYPE STRING,
T_HEADER_OTHERS TYPE STRING,
S_HEADER_STATUS TYPE STRING,
AP_STATUS TYPE STRING,
AP_STATUS_NAME TYPE STRING,
AP_STATUS_SUB TYPE STRING,
AP_STATUS_SUB_NAME TYPE STRING,
S_HEADER_DATES TYPE STRING,
AP_START_DATE TYPE STRING,
AP_END_DATE TYPE STRING,
AP_DATE_EARLIEST TYPE STRING,
AP_DATE_LATEST TYPE STRING,
OBJ_DATE_SET TYPE STRING,
REVIEW_DATE_SET TYPE STRING,
AP_DATE_SET TYPE STRING,
T_HEADER_ADD_DATA TYPE STRING,
S_HEADER_DISPLAY TYPE STRING,
NAME TYPE STRING,
STATUS TYPE STRING,
STATUS_SUB TYPE STRING,
APPRAISER TYPE STRING,
MULTI_APPRAISER TYPE STRING,
APPRAISEE TYPE STRING,
MULTI_APPRAISEE TYPE STRING,
PART_APPRAISERS TYPE STRING,
OTHERS TYPE STRING,
VALIDITY_PERIOD TYPE STRING,
EXECUTION_PERIOD TYPE STRING,
OBJECTIVE_SETTING_DATE TYPE STRING,
REVIEW_DATE TYPE STRING,
APPRAISAL_DATE TYPE STRING,
ADD_HEADER_DATA TYPE STRING,
T_BUTTONS TYPE STRING,
T_BODY_COLUMNS TYPE STRING,
T_BODY_ELEMENTS TYPE STRING,
T_BODY_ELEMENT_BUTTONS TYPE STRING,
T_BODY_ELEMENT_DESCR TYPE STRING,
T_BODY_CELLS TYPE STRING,
T_BODY_CELL_VAL_VALUES TYPE STRING,
T_BODY_CELL_VAL_RANGES TYPE STRING,
T_BODY_CELL_VAL_C_LIKE TYPE STRING,
T_BODY_CELL_VAL_DESCR TYPE STRING,
T_BODY_CELL_NOTES TYPE STRING,
T_BODY_ELEMENTS_OLD TYPE STRING,
T_BODY_CELLS_OLD TYPE STRING,
T_ACTION_LOG_EXT TYPE STRING,
T_ATTACHMENTS TYPE STRING,
T_STATUS_NOTES TYPE STRING,
T_STATUS_DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HAP_S_DOCUMENT_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_HAP_S_DOCUMENT_STR-ADD_ON_APPLICATION sy-vline 
WA_HAP_S_DOCUMENT_STR-PLAN_VERSION sy-vline 
WA_HAP_S_DOCUMENT_STR-TEMPLATE_ID sy-vline 
WA_HAP_S_DOCUMENT_STR-S_APPRAISAL_ID sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISAL_ID sy-vline 
WA_HAP_S_DOCUMENT_STR-PART_AP_ID sy-vline 
WA_HAP_S_DOCUMENT_STR-S_DOC_PROCESSING sy-vline 
WA_HAP_S_DOCUMENT_STR-MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-UI_MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-DOCUMENT_MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-BUTTON_MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-ADMINISTRATOR sy-vline 
WA_HAP_S_DOCUMENT_STR-ADD_ON_APPLICATION sy-vline 
WA_HAP_S_DOCUMENT_STR-COMPLETE_DOCUMENT sy-vline 
WA_HAP_S_DOCUMENT_STR-TEMPLATE_MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-ONLY_ONE_ALLOWED sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_SELFAPPRAISAL sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_OBJECTIVE_PHASE sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_REVIEW_PHASE sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_APPRAISAL_PHASE sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_DATE_CHECK sy-vline 
WA_HAP_S_DOCUMENT_STR-WORKFLOW_ACTIVE sy-vline 
WA_HAP_S_DOCUMENT_STR-ATTACHMENT_ALLOW sy-vline 
WA_HAP_S_DOCUMENT_STR-MULTI_APPRAISERS sy-vline 
WA_HAP_S_DOCUMENT_STR-MULTI_APPRAISEES sy-vline 
WA_HAP_S_DOCUMENT_STR-ACTIONLOG_ACTIVE sy-vline 
WA_HAP_S_DOCUMENT_STR-ARCHIVED_PROCESS sy-vline 
WA_HAP_S_DOCUMENT_STR-NO_APPERS_AUTH sy-vline 
WA_HAP_S_DOCUMENT_STR-DYNAMIC_TEMPLATE sy-vline 
WA_HAP_S_DOCUMENT_STR-DOC_ENQUEUE sy-vline 
WA_HAP_S_DOCUMENT_STR-NUMBER_OF_PART_APPERS sy-vline 
WA_HAP_S_DOCUMENT_STR-REAL_360 sy-vline 
WA_HAP_S_DOCUMENT_STR-DYNAMIC_EVENT sy-vline 
WA_HAP_S_DOCUMENT_STR-ATTACHMENT_MODE sy-vline 
WA_HAP_S_DOCUMENT_STR-DRAFT_NOTES_ALLOWED sy-vline 
WA_HAP_S_DOCUMENT_STR-OFFLINE_DEQUEUE sy-vline 
WA_HAP_S_DOCUMENT_STR-SKIP_IN_PREPARATION sy-vline 
WA_HAP_S_DOCUMENT_STR-S_HEADER_TEXTS sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISAL_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISAL_NAME sy-vline 
WA_HAP_S_DOCUMENT_STR-STATUS_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-APPER_TYPE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-APPER_TYPE_TXT_M sy-vline 
WA_HAP_S_DOCUMENT_STR-APPEE_TYPE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-APPEE_TYPE_TXT_M sy-vline 
WA_HAP_S_DOCUMENT_STR-P_APPER_TYPE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-P_APPER_TYPE_M sy-vline 
WA_HAP_S_DOCUMENT_STR-OTHER_TYPE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-VAL_PERIOD_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-EXE_PERIOD_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-OBJ_DATE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-REV_DATE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-APP_DATE_TXT sy-vline 
WA_HAP_S_DOCUMENT_STR-T_HEADER_APPRAISER sy-vline 
WA_HAP_S_DOCUMENT_STR-T_HEADER_APPRAISEE sy-vline 
WA_HAP_S_DOCUMENT_STR-T_HEADER_PART_APPRAISERS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_HEADER_OTHERS sy-vline 
WA_HAP_S_DOCUMENT_STR-S_HEADER_STATUS sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_STATUS sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_STATUS_NAME sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_STATUS_SUB sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_STATUS_SUB_NAME sy-vline 
WA_HAP_S_DOCUMENT_STR-S_HEADER_DATES sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_START_DATE sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_END_DATE sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_DATE_EARLIEST sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_DATE_LATEST sy-vline 
WA_HAP_S_DOCUMENT_STR-OBJ_DATE_SET sy-vline 
WA_HAP_S_DOCUMENT_STR-REVIEW_DATE_SET sy-vline 
WA_HAP_S_DOCUMENT_STR-AP_DATE_SET sy-vline 
WA_HAP_S_DOCUMENT_STR-T_HEADER_ADD_DATA sy-vline 
WA_HAP_S_DOCUMENT_STR-S_HEADER_DISPLAY sy-vline 
WA_HAP_S_DOCUMENT_STR-NAME sy-vline 
WA_HAP_S_DOCUMENT_STR-STATUS sy-vline 
WA_HAP_S_DOCUMENT_STR-STATUS_SUB sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISER sy-vline 
WA_HAP_S_DOCUMENT_STR-MULTI_APPRAISER sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISEE sy-vline 
WA_HAP_S_DOCUMENT_STR-MULTI_APPRAISEE sy-vline 
WA_HAP_S_DOCUMENT_STR-PART_APPRAISERS sy-vline 
WA_HAP_S_DOCUMENT_STR-OTHERS sy-vline 
WA_HAP_S_DOCUMENT_STR-VALIDITY_PERIOD sy-vline 
WA_HAP_S_DOCUMENT_STR-EXECUTION_PERIOD sy-vline 
WA_HAP_S_DOCUMENT_STR-OBJECTIVE_SETTING_DATE sy-vline 
WA_HAP_S_DOCUMENT_STR-REVIEW_DATE sy-vline 
WA_HAP_S_DOCUMENT_STR-APPRAISAL_DATE sy-vline 
WA_HAP_S_DOCUMENT_STR-ADD_HEADER_DATA sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BUTTONS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_COLUMNS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_ELEMENTS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_ELEMENT_BUTTONS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_ELEMENT_DESCR sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELLS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELL_VAL_VALUES sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELL_VAL_RANGES sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELL_VAL_C_LIKE sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELL_VAL_DESCR sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELL_NOTES sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_ELEMENTS_OLD sy-vline 
WA_HAP_S_DOCUMENT_STR-T_BODY_CELLS_OLD sy-vline 
WA_HAP_S_DOCUMENT_STR-T_ACTION_LOG_EXT sy-vline 
WA_HAP_S_DOCUMENT_STR-T_ATTACHMENTS sy-vline 
WA_HAP_S_DOCUMENT_STR-T_STATUS_NOTES sy-vline 
WA_HAP_S_DOCUMENT_STR-T_STATUS_DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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