ABAP Select data from SAP table PSSCS_GED_ITEM_JOIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSSCS_GED_ITEM_JOIN
*  INTO TABLE @DATA(IT_PSSCS_GED_ITEM_JOIN2).
*--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_PSSCS_GED_ITEM_JOIN INDEX 1 INTO DATA(WA_PSSCS_GED_ITEM_JOIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSSCS_GED_ITEM_JOIN>-OBJECTID = 1.
<PSSCS_GED_ITEM_JOIN>-VERSIONID = 1.
<PSSCS_GED_ITEM_JOIN>-ITEMID = 1.
<PSSCS_GED_ITEM_JOIN>-BEGDA_CP = 1.
<PSSCS_GED_ITEM_JOIN>-ENDDA_CP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSSCS_GED_ITEM_JOIN-SXP_VERSIONID, sy-vline,
  WA_PSSCS_GED_ITEM_JOIN-SXP_OBJECTID, sy-vline,
  WA_PSSCS_GED_ITEM_JOIN-SXP_KIND, sy-vline,
  WA_PSSCS_GED_ITEM_JOIN-SXP_TYPE, sy-vline,
  WA_PSSCS_GED_ITEM_JOIN-CREATED_AT, sy-vline,
  WA_PSSCS_GED_ITEM_JOIN-CHANGE_AT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSSCS_GED_ITEM_JOIN 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_PSSCS_GED_ITEM_JOIN 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_PSSCS_GED_ITEM_JOIN INTO WA_PSSCS_GED_ITEM_JOIN.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SCOPE_PARTNER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSSCS_GED_ITEM_JOIN-SCOPE_PARTNER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSSCS_GED_ITEM_JOIN-SCOPE_PARTNER_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_PSSCS_GED_ITEM_JOIN_STR, 
OBJECTID TYPE STRING,
VERSIONID TYPE STRING,
ITEMID TYPE STRING,
BEGDA_CP TYPE STRING,
ENDDA_CP TYPE STRING,
SXP_VERSIONID TYPE STRING,
SXP_OBJECTID TYPE STRING,
SXP_KIND TYPE STRING,
SXP_TYPE TYPE STRING,
CREATED_AT TYPE STRING,
CHANGE_AT TYPE STRING,
APPL_STATUS TYPE STRING,
TECH_STATUS TYPE STRING,
TRACE_ID TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
SXP_ITEM_GUID TYPE STRING,
BENEFIT_ID TYPE STRING,
BENEFIT_ID_EXT TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
FREQUENCY_TYPE TYPE STRING,
BENE_BENEFICIARY TYPE STRING,
BENE_BENEFI_NO TYPE STRING,
PAYM_RECIPIENT TYPE STRING,
PAYM_RECIPI_NO TYPE STRING,
TAX_CATEGORY TYPE STRING,
HOLD_FLAG TYPE STRING,
DEDUCTION_TYPE TYPE STRING,
ITM_TYPE TYPE STRING,
TYPE_USAGE TYPE STRING,
ENTITLEMENT_CAT TYPE STRING,
DEDUCT_PERCENT TYPE STRING,
DEDUCT_PARTIAL TYPE STRING,
DEDUCT_PRIORITY TYPE STRING,
DEDUCT_TO_PARTY TYPE STRING,
DEDUCT_TO_PAR_NO TYPE STRING,
DEDUCT_PAYM_FAM TYPE STRING,
DEDUCT_DDR_TYPE TYPE STRING,
ALT_PAYEE_GUID TYPE STRING,
ALT_PAYEE_NO TYPE STRING,
ALT_PAY_METHOD TYPE STRING,
ALT_PAY_ADDR_ID TYPE STRING,
ALT_PAY_ADDRGUID TYPE STRING,
ALT_PAY_BANK_ID TYPE STRING,
RR_INDICATOR TYPE STRING,
SCOPE_PARTNER_ID TYPE STRING,
SCOPE_ADDITIONAL_KEY TYPE STRING,
SCOPE_DESCRIPTION TYPE STRING,
SCOPE_CREATION_MODE TYPE STRING,
RED_REF_GUID TYPE STRING,
RED_REF_PRODUCT TYPE STRING,
IS_REDUCTION TYPE STRING,
ENTITLEMENT_RELEASE_MODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSSCS_GED_ITEM_JOIN_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_PSSCS_GED_ITEM_JOIN_STR-OBJECTID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-VERSIONID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ITEMID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BEGDA_CP sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ENDDA_CP sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SXP_VERSIONID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SXP_OBJECTID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SXP_KIND sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SXP_TYPE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-CREATED_AT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-CHANGE_AT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-APPL_STATUS sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-TECH_STATUS sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-TRACE_ID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BEGDA sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ENDDA sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SXP_ITEM_GUID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BENEFIT_ID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BENEFIT_ID_EXT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-AMOUNT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-CURRENCY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-FREQUENCY_TYPE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BENE_BENEFICIARY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-BENE_BENEFI_NO sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-PAYM_RECIPIENT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-PAYM_RECIPI_NO sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-TAX_CATEGORY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-HOLD_FLAG sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCTION_TYPE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ITM_TYPE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-TYPE_USAGE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ENTITLEMENT_CAT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_PERCENT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_PARTIAL sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_PRIORITY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_TO_PARTY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_TO_PAR_NO sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_PAYM_FAM sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-DEDUCT_DDR_TYPE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAYEE_GUID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAYEE_NO sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAY_METHOD sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAY_ADDR_ID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAY_ADDRGUID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ALT_PAY_BANK_ID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-RR_INDICATOR sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SCOPE_PARTNER_ID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SCOPE_ADDITIONAL_KEY sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SCOPE_DESCRIPTION sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-SCOPE_CREATION_MODE sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-RED_REF_GUID sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-RED_REF_PRODUCT sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-IS_REDUCTION sy-vline 
WA_PSSCS_GED_ITEM_JOIN_STR-ENTITLEMENT_RELEASE_MODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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