ABAP Select data from SAP table EHHSSS_D_RELEASES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHHSSS_D_RELEASES
*  INTO TABLE @DATA(IT_EHHSSS_D_RELEASES2).
*--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_EHHSSS_D_RELEASES INDEX 1 INTO DATA(WA_EHHSSS_D_RELEASES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHHSSS_D_RELEASES>-INCIDNT = 1.
<EHHSSS_D_RELEASES>-RELGUID = 1.
<EHHSSS_D_RELEASES>-RELTYPE = 1.
<EHHSSS_D_RELEASES>-RELSIZE = 1.
<EHHSSS_D_RELEASES>-SI_CLEAN_PER_TS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHHSSS_D_RELEASES-REPORT_REQ_TS, sy-vline,
  WA_EHHSSS_D_RELEASES-RELMATGUID, sy-vline,
  WA_EHHSSS_D_RELEASES-RELMATID, sy-vline,
  WA_EHHSSS_D_RELEASES-STATE, sy-vline,
  WA_EHHSSS_D_RELEASES-AFFECTED_LAND, sy-vline,
  WA_EHHSSS_D_RELEASES-WATER_INV_TS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHHSSS_D_RELEASES 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_EHHSSS_D_RELEASES 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_EHHSSS_D_RELEASES INTO WA_EHHSSS_D_RELEASES.


*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 INCIDNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-INCIDNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-INCIDNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHRLT, internal->external for field RELTYPE
CALL FUNCTION 'CONVERSION_EXIT_EHRLT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-RELTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-RELTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHRLS, internal->external for field RELSIZE
CALL FUNCTION 'CONVERSION_EXIT_EHRLS_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-RELSIZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-RELSIZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field RELMATID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-RELMATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-RELMATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHMSC, internal->external for field STATE
CALL FUNCTION 'CONVERSION_EXIT_EHMSC_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-STATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-STATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHALT, internal->external for field AFFECTED_LAND
CALL FUNCTION 'CONVERSION_EXIT_EHALT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-AFFECTED_LAND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-AFFECTED_LAND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHMRM, internal->external for field REC_METHOD
CALL FUNCTION 'CONVERSION_EXIT_EHMRM_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-REC_METHOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-REC_METHOD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHMDM, internal->external for field DISP_METHOD
CALL FUNCTION 'CONVERSION_EXIT_EHMDM_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-DISP_METHOD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-DISP_METHOD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHMDS, internal->external for field DISP_SITE
CALL FUNCTION 'CONVERSION_EXIT_EHMDS_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-DISP_SITE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-DISP_SITE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHMWC, internal->external for field WASTE_TYPE
CALL FUNCTION 'CONVERSION_EXIT_EHMWC_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-WASTE_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-WASTE_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REL_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-REL_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-REL_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field REC_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-REC_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-REC_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DISP_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHHSSS_D_RELEASES-DISP_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHHSSS_D_RELEASES-DISP_UNIT.
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_EHHSSS_D_RELEASES_STR, 
INCIDNT TYPE STRING,
RELGUID TYPE STRING,
RELTYPE TYPE STRING,
RELSIZE TYPE STRING,
SI_CLEAN_PER_TS TYPE STRING,
REPORT_REQ_TS TYPE STRING,
RELMATGUID TYPE STRING,
RELMATID TYPE STRING,
STATE TYPE STRING,
AFFECTED_LAND TYPE STRING,
WATER_INV_TS TYPE STRING,
REC_METHOD TYPE STRING,
DISP_METHOD TYPE STRING,
DISP_SITE TYPE STRING,
WASTE_TYPE TYPE STRING,
REL_MEAS TYPE STRING,
REL_UNIT TYPE STRING,
REC_MEAS TYPE STRING,
REC_UNIT TYPE STRING,
DISP_MEAS TYPE STRING,
DISP_UNIT TYPE STRING,
SERIAL TYPE STRING,
BW_DELTATIMESTMP TYPE STRING,
BW_RECORDMODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHHSSS_D_RELEASES_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_EHHSSS_D_RELEASES_STR-INCIDNT sy-vline 
WA_EHHSSS_D_RELEASES_STR-RELGUID sy-vline 
WA_EHHSSS_D_RELEASES_STR-RELTYPE sy-vline 
WA_EHHSSS_D_RELEASES_STR-RELSIZE sy-vline 
WA_EHHSSS_D_RELEASES_STR-SI_CLEAN_PER_TS sy-vline 
WA_EHHSSS_D_RELEASES_STR-REPORT_REQ_TS sy-vline 
WA_EHHSSS_D_RELEASES_STR-RELMATGUID sy-vline 
WA_EHHSSS_D_RELEASES_STR-RELMATID sy-vline 
WA_EHHSSS_D_RELEASES_STR-STATE sy-vline 
WA_EHHSSS_D_RELEASES_STR-AFFECTED_LAND sy-vline 
WA_EHHSSS_D_RELEASES_STR-WATER_INV_TS sy-vline 
WA_EHHSSS_D_RELEASES_STR-REC_METHOD sy-vline 
WA_EHHSSS_D_RELEASES_STR-DISP_METHOD sy-vline 
WA_EHHSSS_D_RELEASES_STR-DISP_SITE sy-vline 
WA_EHHSSS_D_RELEASES_STR-WASTE_TYPE sy-vline 
WA_EHHSSS_D_RELEASES_STR-REL_MEAS sy-vline 
WA_EHHSSS_D_RELEASES_STR-REL_UNIT sy-vline 
WA_EHHSSS_D_RELEASES_STR-REC_MEAS sy-vline 
WA_EHHSSS_D_RELEASES_STR-REC_UNIT sy-vline 
WA_EHHSSS_D_RELEASES_STR-DISP_MEAS sy-vline 
WA_EHHSSS_D_RELEASES_STR-DISP_UNIT sy-vline 
WA_EHHSSS_D_RELEASES_STR-SERIAL sy-vline 
WA_EHHSSS_D_RELEASES_STR-BW_DELTATIMESTMP sy-vline 
WA_EHHSSS_D_RELEASES_STR-BW_RECORDMODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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