ABAP Select data from SAP table PSUBACCOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSUBACCOUNT
*  INTO TABLE @DATA(IT_PSUBACCOUNT2).
*--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_PSUBACCOUNT INDEX 1 INTO DATA(WA_PSUBACCOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSUBACCOUNT>-MANDT = 1.
<PSUBACCOUNT>-TRADINGCONTRACTNUMBER = 1.
<PSUBACCOUNT>-TRADINGCONTRACTITEM = 1.
<PSUBACCOUNT>-CONTRACTSUBITEM = 1.
<PSUBACCOUNT>-VALUATIONPOINT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSUBACCOUNT-ACMPRICINGAPPROACH, sy-vline,
  WA_PSUBACCOUNT-ACMPRCGINTENDEDPRCTYPE, sy-vline,
  WA_PSUBACCOUNT-ACMHIERTSW, sy-vline,
  WA_PSUBACCOUNT-STORAGEFREEDAYSVALUE, sy-vline,
  WA_PSUBACCOUNT-STORAGERATESLOCKEDVALUE, sy-vline,
  WA_PSUBACCOUNT-ACMHASSTARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSUBACCOUNT 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_PSUBACCOUNT 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_PSUBACCOUNT INTO WA_PSUBACCOUNT.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ACMCONTRCMMDTYSUBACCOUNTMIRROR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSUBACCOUNT-ACMCONTRCMMDTYSUBACCOUNTMIRROR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSUBACCOUNT-ACMCONTRCMMDTYSUBACCOUNTMIRROR.
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_PSUBACCOUNT_STR, 
MANDT TYPE STRING,
TRADINGCONTRACTNUMBER TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,
CONTRACTSUBITEM TYPE STRING,
VALUATIONPOINT TYPE STRING,
ACMPRICINGAPPROACH TYPE STRING,
ACMPRCGINTENDEDPRCTYPE TYPE STRING,
ACMHIERTSW TYPE STRING,
STORAGEFREEDAYSVALUE TYPE STRING,
STORAGERATESLOCKEDVALUE TYPE STRING,
ACMHASSTARTDATE TYPE STRING,
ACMHASENDDATE TYPE STRING,
ACMINCLUDEQTYBASED TYPE STRING,
ACMWGTTYPEPRICING TYPE STRING,
ALTERNATEPAYMENTTYPE TYPE STRING,
ALTERNATEPAYMENTTERM TYPE STRING,
PAYMENTDATE TYPE STRING,
COMMODITYSUBACCOUNTUUID TYPE STRING,
ACMTRDGCONTRCMMDTYSUBACCOUNTID TYPE STRING,
ACMTRDGCONTRSUBACCOUNTNAME TYPE STRING,
ACMCMMDTYSUBACCOUNTSTATUS TYPE STRING,
ACMCMMDTYSUBACCOUNTSTATUSRSN TYPE STRING,
COMPANYCODE TYPE STRING,
FUTURESACCOUNT TYPE STRING,
PHYSICALCOMMODITY TYPE STRING,
ACMMARKETIDENTIFIERCODE TYPE STRING,
ACMDERIVATIVECONTRSPEC TYPE STRING,
REFERENCEBROKERACCOUNT TYPE STRING,
PORTFOLIO TYPE STRING,
WBSELEMENTPROFITCENTER TYPE STRING,
ACMDUMMYSUBACCOUNTEXTN TYPE STRING,
ACMCONTRCMMDTYSUBACCOUNTMIRROR TYPE STRING,
COMMODITYMIRRORSUBACCOUNTNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSUBACCOUNT_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_PSUBACCOUNT_STR-MANDT sy-vline 
WA_PSUBACCOUNT_STR-TRADINGCONTRACTNUMBER sy-vline 
WA_PSUBACCOUNT_STR-TRADINGCONTRACTITEM sy-vline 
WA_PSUBACCOUNT_STR-CONTRACTSUBITEM sy-vline 
WA_PSUBACCOUNT_STR-VALUATIONPOINT sy-vline 
WA_PSUBACCOUNT_STR-ACMPRICINGAPPROACH sy-vline 
WA_PSUBACCOUNT_STR-ACMPRCGINTENDEDPRCTYPE sy-vline 
WA_PSUBACCOUNT_STR-ACMHIERTSW sy-vline 
WA_PSUBACCOUNT_STR-STORAGEFREEDAYSVALUE sy-vline 
WA_PSUBACCOUNT_STR-STORAGERATESLOCKEDVALUE sy-vline 
WA_PSUBACCOUNT_STR-ACMHASSTARTDATE sy-vline 
WA_PSUBACCOUNT_STR-ACMHASENDDATE sy-vline 
WA_PSUBACCOUNT_STR-ACMINCLUDEQTYBASED sy-vline 
WA_PSUBACCOUNT_STR-ACMWGTTYPEPRICING sy-vline 
WA_PSUBACCOUNT_STR-ALTERNATEPAYMENTTYPE sy-vline 
WA_PSUBACCOUNT_STR-ALTERNATEPAYMENTTERM sy-vline 
WA_PSUBACCOUNT_STR-PAYMENTDATE sy-vline 
WA_PSUBACCOUNT_STR-COMMODITYSUBACCOUNTUUID sy-vline 
WA_PSUBACCOUNT_STR-ACMTRDGCONTRCMMDTYSUBACCOUNTID sy-vline 
WA_PSUBACCOUNT_STR-ACMTRDGCONTRSUBACCOUNTNAME sy-vline 
WA_PSUBACCOUNT_STR-ACMCMMDTYSUBACCOUNTSTATUS sy-vline 
WA_PSUBACCOUNT_STR-ACMCMMDTYSUBACCOUNTSTATUSRSN sy-vline 
WA_PSUBACCOUNT_STR-COMPANYCODE sy-vline 
WA_PSUBACCOUNT_STR-FUTURESACCOUNT sy-vline 
WA_PSUBACCOUNT_STR-PHYSICALCOMMODITY sy-vline 
WA_PSUBACCOUNT_STR-ACMMARKETIDENTIFIERCODE sy-vline 
WA_PSUBACCOUNT_STR-ACMDERIVATIVECONTRSPEC sy-vline 
WA_PSUBACCOUNT_STR-REFERENCEBROKERACCOUNT sy-vline 
WA_PSUBACCOUNT_STR-PORTFOLIO sy-vline 
WA_PSUBACCOUNT_STR-WBSELEMENTPROFITCENTER sy-vline 
WA_PSUBACCOUNT_STR-ACMDUMMYSUBACCOUNTEXTN sy-vline 
WA_PSUBACCOUNT_STR-ACMCONTRCMMDTYSUBACCOUNTMIRROR sy-vline 
WA_PSUBACCOUNT_STR-COMMODITYMIRRORSUBACCOUNTNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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