ABAP Select data from SAP table /SEHS/BAS_X_PARAMS_TYPE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SEHS/BAS_X_PARAMS_TYPE 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 /SEHS/BAS_X_PARAMS_TYPE. 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 /SEHS/BAS_X_PARAMS_TYPE 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_/SEHS/BAS_X_PARAMS_TYPE TYPE STANDARD TABLE OF /SEHS/BAS_X_PARAMS_TYPE,
      WA_/SEHS/BAS_X_PARAMS_TYPE TYPE /SEHS/BAS_X_PARAMS_TYPE,
      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: </SEHS/BAS_X_PARAMS_TYPE> TYPE /SEHS/BAS_X_PARAMS_TYPE.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SEHS/BAS_X_PARAMS_TYPE
  INTO TABLE IT_/SEHS/BAS_X_PARAMS_TYPE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SEHS/BAS_X_PARAMS_TYPE
*  INTO TABLE @DATA(IT_/SEHS/BAS_X_PARAMS_TYPE2).
*--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_/SEHS/BAS_X_PARAMS_TYPE INDEX 1 INTO DATA(WA_/SEHS/BAS_X_PARAMS_TYPE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SEHS/BAS_X_PARAMS_TYPE ASSIGNING </SEHS/BAS_X_PARAMS_TYPE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SEHS/BAS_X_PARAMS_TYPE>-FLG_NO_LOADTAB_UPD_AT_DEQ = 1.
</SEHS/BAS_X_PARAMS_TYPE>-FIELDNAME = 1.
</SEHS/BAS_X_PARAMS_TYPE>-FLG_ASSIGN = 1.
</SEHS/BAS_X_PARAMS_TYPE>-FIELDVALUE = 1.
</SEHS/BAS_X_PARAMS_TYPE>-FLG_LOGLOCKMOD_RESET = 1.

ENDLOOP.

LOOP AT IT_/SEHS/BAS_X_PARAMS_TYPE INTO WA_/SEHS/BAS_X_PARAMS_TYPE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SEHS/BAS_X_PARAMS_TYPE-AENNR, sy-vline,
  WA_/SEHS/BAS_X_PARAMS_TYPE-VALDAT, sy-vline,
  WA_/SEHS/BAS_X_PARAMS_TYPE-LOCKFLG, sy-vline,
  WA_/SEHS/BAS_X_PARAMS_TYPE-FURTHER_SETTINGS, sy-vline,
  WA_/SEHS/BAS_X_PARAMS_TYPE-FLG_READ_WHOLE_HISTORY, sy-vline,
  WA_/SEHS/BAS_X_PARAMS_TYPE-CONDTAB_USER_EXIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SEHS/BAS_X_PARAMS_TYPE 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_/SEHS/BAS_X_PARAMS_TYPE 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_/SEHS/BAS_X_PARAMS_TYPE INTO WA_/SEHS/BAS_X_PARAMS_TYPE.


*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 AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SEHS/BAS_X_PARAMS_TYPE-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SEHS/BAS_X_PARAMS_TYPE-AENNR.
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_/SEHS/BAS_X_PARAMS_TYPE_STR, 
FLG_NO_LOADTAB_UPD_AT_DEQ TYPE STRING,
FIELDNAME TYPE STRING,
FLG_ASSIGN TYPE STRING,
FIELDVALUE TYPE STRING,
FLG_LOGLOCKMOD_RESET TYPE STRING,
AENNR TYPE STRING,
VALDAT TYPE STRING,
LOCKFLG TYPE STRING,
FURTHER_SETTINGS TYPE STRING,
FLG_READ_WHOLE_HISTORY TYPE STRING,
CONDTAB_USER_EXIT TYPE STRING,
CH_DOC_HEAD_USER_EXIT TYPE STRING,
FLG_NO_CH_DOC_WRITING TYPE STRING,
CH_DOC_UPD_USER_EXIT TYPE STRING,
CH_DOC_AFT_USER_EXIT TYPE STRING,
CH_DOC_END_USER_EXIT TYPE STRING,
CH_DOC_READ_BUFTAB_OLD TYPE STRING,
CH_DOC_READ_BUFTAB TYPE STRING,
CH_DOC_DELETE_BUFTAB TYPE STRING,
CH_DOC_SORT_BUFTAB TYPE STRING,
CH_DOC_SPLIT_RECORD_GET TYPE STRING,
BUF_DBRECORD_ADD_END TYPE STRING,
FLG_CALL_WRITE_END_FUNC TYPE STRING,
FLG_SET_VARIABLE_LOCKFLG TYPE STRING,
ENQEUE_DEQEUE_ENDING TYPE STRING,
NO_SECOND_INIT TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
FLG_KEY_DATE_SWITCH_ONLY TYPE STRING,
FLG_RETURN_WHOLE_INTERVAL TYPE STRING,
LOG_KEY_DETERMINE TYPE STRING,
FLG_SPLIT_WITHOUT_CHANGENO TYPE STRING,
RECN_NUMBER_FUNCTION_NAME TYPE STRING,
ACTN_NUMBER_FUNCTION_NAME TYPE STRING,
ENQ_DEQ_FUNCTION_NAME TYPE STRING,
SELECT_FUNCTION_NAME TYPE STRING,
FLG_NO_ERR_AT_NO_PREDECESSOR TYPE STRING,
FLG_NO_ERR_AT_NO_SUCCESSOR TYPE STRING,
FLG_KEEP_ACTN_AT_INSERT TYPE STRING,
LANGU_TAB TYPE STRING,
NAMEMST TYPE STRING,
OBJCAT TYPE STRING,
FLG_OUTSIDE_OF_SPEC TYPE STRING,
FLG_ENFORCE_RESET TYPE STRING,
USER_EXIT_AT_BUFFER_CHANGE TYPE STRING,
IN_UPDATE_TASK TYPE STRING,
BUFTAB_REF TYPE STRING,
BUFTAB_OLD_REF TYPE STRING,
LOADTAB_REF TYPE STRING,
TRANSLATE_TAB_REF TYPE STRING,
INIT_LOCK_TAB_REF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SEHS/BAS_X_PARAMS_TYPE_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_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_NO_LOADTAB_UPD_AT_DEQ sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FIELDNAME sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_ASSIGN sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FIELDVALUE sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_LOGLOCKMOD_RESET sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-AENNR sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-VALDAT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-LOCKFLG sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FURTHER_SETTINGS sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_READ_WHOLE_HISTORY sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CONDTAB_USER_EXIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_HEAD_USER_EXIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_NO_CH_DOC_WRITING sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_UPD_USER_EXIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_AFT_USER_EXIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_END_USER_EXIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_READ_BUFTAB_OLD sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_READ_BUFTAB sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_DELETE_BUFTAB sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_SORT_BUFTAB sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-CH_DOC_SPLIT_RECORD_GET sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-BUF_DBRECORD_ADD_END sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_CALL_WRITE_END_FUNC sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_SET_VARIABLE_LOCKFLG sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-ENQEUE_DEQEUE_ENDING sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-NO_SECOND_INIT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-VALFR sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-VALTO sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_KEY_DATE_SWITCH_ONLY sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_RETURN_WHOLE_INTERVAL sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-LOG_KEY_DETERMINE sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_SPLIT_WITHOUT_CHANGENO sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-RECN_NUMBER_FUNCTION_NAME sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-ACTN_NUMBER_FUNCTION_NAME sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-ENQ_DEQ_FUNCTION_NAME sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-SELECT_FUNCTION_NAME sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_NO_ERR_AT_NO_PREDECESSOR sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_NO_ERR_AT_NO_SUCCESSOR sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_KEEP_ACTN_AT_INSERT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-LANGU_TAB sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-NAMEMST sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-OBJCAT sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_OUTSIDE_OF_SPEC sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-FLG_ENFORCE_RESET sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-USER_EXIT_AT_BUFFER_CHANGE sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-IN_UPDATE_TASK sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-BUFTAB_REF sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-BUFTAB_OLD_REF sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-LOADTAB_REF sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-TRANSLATE_TAB_REF sy-vline 
WA_/SEHS/BAS_X_PARAMS_TYPE_STR-INIT_LOCK_TAB_REF sy-vline      INTO ld_text SEPARATED BY SPACE.

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