ABAP Select data from SAP table EHHSSD_RAC_ROOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHHSSD_RAC_ROOT
*  INTO TABLE @DATA(IT_EHHSSD_RAC_ROOT2).
*--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_EHHSSD_RAC_ROOT INDEX 1 INTO DATA(WA_EHHSSD_RAC_ROOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHHSSD_RAC_ROOT>-MANDT = 1.
<EHHSSD_RAC_ROOT>-DB_KEY = 1.
<EHHSSD_RAC_ROOT>-DATETIME_CR = 1.
<EHHSSD_RAC_ROOT>-USER_ID_CR = 1.
<EHHSSD_RAC_ROOT>-DATETIME_CH = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHHSSD_RAC_ROOT-USER_ID_CH, sy-vline,
  WA_EHHSSD_RAC_ROOT-BO_KEY_REF, sy-vline,
  WA_EHHSSD_RAC_ROOT-ROOT_KEY_REF, sy-vline,
  WA_EHHSSD_RAC_ROOT-NODE_KEY_REF, sy-vline,
  WA_EHHSSD_RAC_ROOT-KEY_REF, sy-vline,
  WA_EHHSSD_RAC_ROOT-PC_BO_KEY_REF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHHSSD_RAC_ROOT 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_EHHSSD_RAC_ROOT 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_EHHSSD_RAC_ROOT INTO WA_EHHSSD_RAC_ROOT.


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

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

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

*Conversion exit EHASU, internal->external for field SUBJECT
CALL FUNCTION 'CONVERSION_EXIT_EHASU_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-SUBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-SUBJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHACT, internal->external for field TYPE
CALL FUNCTION 'CONVERSION_EXIT_EHACT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHAPG, internal->external for field PROT_GOAL
CALL FUNCTION 'CONVERSION_EXIT_EHAPG_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-PROT_GOAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-PROT_GOAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHACE, internal->external for field EFFECTIV
CALL FUNCTION 'CONVERSION_EXIT_EHACE_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-EFFECTIV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-EFFECTIV.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit RESID, internal->external for field RESP_ID
CALL FUNCTION 'CONVERSION_EXIT_RESID_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-RESP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-RESP_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMPID, internal->external for field IMPLEM_ID
CALL FUNCTION 'CONVERSION_EXIT_IMPID_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-IMPLEM_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-IMPLEM_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit APRID, internal->external for field APPR_ID
CALL FUNCTION 'CONVERSION_EXIT_APRID_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-APPR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-APPR_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHFLO, internal->external for field FUNC_LOC_ID
CALL FUNCTION 'CONVERSION_EXIT_EHFLO_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-FUNC_LOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-FUNC_LOC_ID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit REPID, internal->external for field CH_REQ_REP_ID
CALL FUNCTION 'CONVERSION_EXIT_REPID_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSD_RAC_ROOT-CH_REQ_REP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSD_RAC_ROOT-CH_REQ_REP_ID.
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_EHHSSD_RAC_ROOT_STR, 
MANDT TYPE STRING,
DB_KEY TYPE STRING,
DATETIME_CR TYPE STRING,
USER_ID_CR TYPE STRING,
DATETIME_CH TYPE STRING,
USER_ID_CH TYPE STRING,
BO_KEY_REF TYPE STRING,
ROOT_KEY_REF TYPE STRING,
NODE_KEY_REF TYPE STRING,
KEY_REF TYPE STRING,
PC_BO_KEY_REF TYPE STRING,
PC_ROOT_KEY_REF TYPE STRING,
DEF_ROOT_KEY_REF TYPE STRING,
ID TYPE STRING,
EHSM_COMPONENT TYPE STRING,
PURPOSE TYPE STRING,
VARIANT TYPE STRING,
STATUS TYPE STRING,
TITLE TYPE STRING,
SUBJECT TYPE STRING,
CATEGORY TYPE STRING,
TYPE TYPE STRING,
PRIORITY TYPE STRING,
PROT_GOAL TYPE STRING,
EFFECTIV TYPE STRING,
EA_ST_TIMESTAMP TYPE STRING,
EA_ST_TI_ZO TYPE STRING,
DUE_TIMESTAMP TYPE STRING,
DUE_TI_ZO TYPE STRING,
DUE_N_TH TYPE STRING,
DUE_TYPE TYPE STRING,
RESP_ID TYPE STRING,
IMPLEM_ID TYPE STRING,
APPR_ID TYPE STRING,
IMPL_TIMESTAMP TYPE STRING,
IMPL_TI_ZO TYPE STRING,
APPR_TIMESTAMP TYPE STRING,
APPR_TI_ZO TYPE STRING,
PLANT_ID TYPE STRING,
FUNC_LOC_ID TYPE STRING,
EQU_ID TYPE STRING,
EQU_TYPE TYPE STRING,
WF_EXIST_IND TYPE STRING,
EXT_NOTIF_ID TYPE STRING,
EXT_NOTIF_TYPE TYPE STRING,
EXT_NOTIF_PRIO TYPE STRING,
PROC_SETUP_KEY TYPE STRING,
DESC_KEY_REF TYPE STRING,
ACT_NATURE_TS TYPE STRING,
MIGRATION_SRC TYPE STRING,
CH_REQ_TYPE TYPE STRING,
CH_REQ_IMPACT TYPE STRING,
CH_REQ_EMERGENCY TYPE STRING,
CH_REQ_LIFETIME TYPE STRING,
CH_REQ_ID TYPE STRING,
CH_REQ_REP_ID TYPE STRING,
ARCHIVING_STATUS TYPE STRING,
EEW_ACT_ROOT_D TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHHSSD_RAC_ROOT_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_EHHSSD_RAC_ROOT_STR-MANDT sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DB_KEY sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DATETIME_CR sy-vline 
WA_EHHSSD_RAC_ROOT_STR-USER_ID_CR sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DATETIME_CH sy-vline 
WA_EHHSSD_RAC_ROOT_STR-USER_ID_CH sy-vline 
WA_EHHSSD_RAC_ROOT_STR-BO_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-ROOT_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-NODE_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PC_BO_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PC_ROOT_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DEF_ROOT_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EHSM_COMPONENT sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PURPOSE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-VARIANT sy-vline 
WA_EHHSSD_RAC_ROOT_STR-STATUS sy-vline 
WA_EHHSSD_RAC_ROOT_STR-TITLE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-SUBJECT sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CATEGORY sy-vline 
WA_EHHSSD_RAC_ROOT_STR-TYPE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PRIORITY sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PROT_GOAL sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EFFECTIV sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EA_ST_TIMESTAMP sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EA_ST_TI_ZO sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DUE_TIMESTAMP sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DUE_TI_ZO sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DUE_N_TH sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DUE_TYPE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-RESP_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-IMPLEM_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-APPR_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-IMPL_TIMESTAMP sy-vline 
WA_EHHSSD_RAC_ROOT_STR-IMPL_TI_ZO sy-vline 
WA_EHHSSD_RAC_ROOT_STR-APPR_TIMESTAMP sy-vline 
WA_EHHSSD_RAC_ROOT_STR-APPR_TI_ZO sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PLANT_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-FUNC_LOC_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EQU_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EQU_TYPE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-WF_EXIST_IND sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EXT_NOTIF_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EXT_NOTIF_TYPE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EXT_NOTIF_PRIO sy-vline 
WA_EHHSSD_RAC_ROOT_STR-PROC_SETUP_KEY sy-vline 
WA_EHHSSD_RAC_ROOT_STR-DESC_KEY_REF sy-vline 
WA_EHHSSD_RAC_ROOT_STR-ACT_NATURE_TS sy-vline 
WA_EHHSSD_RAC_ROOT_STR-MIGRATION_SRC sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_TYPE sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_IMPACT sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_EMERGENCY sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_LIFETIME sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-CH_REQ_REP_ID sy-vline 
WA_EHHSSD_RAC_ROOT_STR-ARCHIVING_STATUS sy-vline 
WA_EHHSSD_RAC_ROOT_STR-EEW_ACT_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.