ABAP Select data from SAP table /PF1/CV_EH_PO_EX into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/CV_EH_PO_EX 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 /PF1/CV_EH_PO_EX. 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 /PF1/CV_EH_PO_EX 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_/PF1/CV_EH_PO_EX TYPE STANDARD TABLE OF /PF1/CV_EH_PO_EX,
      WA_/PF1/CV_EH_PO_EX TYPE /PF1/CV_EH_PO_EX,
      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: </PF1/CV_EH_PO_EX> TYPE /PF1/CV_EH_PO_EX.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/CV_EH_PO_EX.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/CV_EH_PO_EX
  INTO TABLE IT_/PF1/CV_EH_PO_EX.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/CV_EH_PO_EX
*  INTO TABLE @DATA(IT_/PF1/CV_EH_PO_EX2).
*--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_/PF1/CV_EH_PO_EX INDEX 1 INTO DATA(WA_/PF1/CV_EH_PO_EX2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/CV_EH_PO_EX ASSIGNING </PF1/CV_EH_PO_EX>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/CV_EH_PO_EX>-MANDT = 1.
</PF1/CV_EH_PO_EX>-PAYMENTORDERGUID = 1.
</PF1/CV_EH_PO_EX>-CLEARINGAREA = 1.
</PF1/CV_EH_PO_EX>-OBJECTCATEGORY = 1.
</PF1/CV_EH_PO_EX>-PAYMENTORDERDATE = 1.

ENDLOOP.

LOOP AT IT_/PF1/CV_EH_PO_EX INTO WA_/PF1/CV_EH_PO_EX.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/CV_EH_PO_EX-PAYMENTORDERNUMBER, sy-vline,
  WA_/PF1/CV_EH_PO_EX-PAYMENTORDERKEY, sy-vline,
  WA_/PF1/CV_EH_PO_EX-OBJECTEXTERNALID, sy-vline,
  WA_/PF1/CV_EH_PO_EX-COUNTER, sy-vline,
  WA_/PF1/CV_EH_PO_EX-PROCESSTYPE, sy-vline,
  WA_/PF1/CV_EH_PO_EX-PROCESSTYPETEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/CV_EH_PO_EX 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_/PF1/CV_EH_PO_EX 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_/PF1/CV_EH_PO_EX INTO WA_/PF1/CV_EH_PO_EX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/PF1/CV_EH_PO_EX_STR, 
MANDT TYPE STRING,
PAYMENTORDERGUID TYPE STRING,
CLEARINGAREA TYPE STRING,
OBJECTCATEGORY TYPE STRING,
PAYMENTORDERDATE TYPE STRING,
PAYMENTORDERNUMBER TYPE STRING,
PAYMENTORDERKEY TYPE STRING,
OBJECTEXTERNALID TYPE STRING,
COUNTER TYPE STRING,
PROCESSTYPE TYPE STRING,
PROCESSTYPETEXT TYPE STRING,
PHASEID TYPE STRING,
PHASEIDTEXT TYPE STRING,
ERRORID TYPE STRING,
REACTIONTYPE TYPE STRING,
CHECKSTATE TYPE STRING,
REACTIONCATEGORY TYPE STRING,
WORKBASKETID TYPE STRING,
POSTPROCESSINGPRIORITY TYPE STRING,
DUEDATE TYPE STRING,
CHECKTEXTSHORT TYPE STRING,
CHECKTEXTLONG TYPE STRING,
CHECKDESCRIPTION TYPE STRING,
PAYMENTORDERTYPE TYPE STRING,
PAYMENTORDERTYPEDESC TYPE STRING,
PAYMENTORDERDIRECTION TYPE STRING,
PAYMENTORDERDIRECTIONDESC TYPE STRING,
PAYMENTORDERPRIORITY TYPE STRING,
PAYMENTORDERPRIORITYDESC TYPE STRING,
TECHNICALSTATUS TYPE STRING,
RELEASESTATUS TYPE STRING,
INOUTFORMAT TYPE STRING,
MEDIUM TYPE STRING,
CHANNEL TYPE STRING,
EXTERNALREFERENCE TYPE STRING,
COMPANYCODE TYPE STRING,
SENDERCOMPANYCODEDESC TYPE STRING,
INTERNALSENDERBANKCOUNTRY TYPE STRING,
INTERNALSENDERBANKKEY TYPE STRING,
INTERNALSENDERBIC TYPE STRING,
INTERNALSENDERIBAN TYPE STRING,
INTERNALSENDERACCOUNT TYPE STRING,
INTERNALSENDERACCOUNTCURRENCY TYPE STRING,
INTERNALSENDERHOLDER TYPE STRING,
SUMITEMS TYPE STRING,
SUMCURRENCY TYPE STRING,
RELEASEAMOUNT TYPE STRING,
RELEASECURRENCY TYPE STRING,
TECHPRIORITY TYPE STRING,
CUSTOMERSEGMENT TYPE STRING,
CREATEUSERID TYPE STRING,
CREATEDATE TYPE STRING,
CREATETIME TYPE STRING,
CHANGEUSERID TYPE STRING,
CHANGEDATE TYPE STRING,
CHANGETIME TYPE STRING,
RELEASEUSERID TYPE STRING,
RELEASEDATE TYPE STRING,
RELEASETIME TYPE STRING,
LOCKUSERNAME TYPE STRING,
LOCKUSERFULLNAME TYPE STRING,
DATEIDENTIFIER TYPE STRING,
EXTERNALSTATUSCODE TYPE STRING,
EXTERNALSTATUSDESC TYPE STRING,
EXTERNALSTATUSCRITICALITY TYPE STRING,
REASONCODE TYPE STRING,
REASONCODEDESC TYPE STRING,
CLEARINGAREADESC TYPE STRING,
CREATEUSERNAME TYPE STRING,
CHANGEUSERNAME TYPE STRING,
RELEASEUSERNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/CV_EH_PO_EX_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_/PF1/CV_EH_PO_EX_STR-MANDT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERGUID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CLEARINGAREA sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-OBJECTCATEGORY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERDATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERNUMBER sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERKEY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-OBJECTEXTERNALID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-COUNTER sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PROCESSTYPE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PROCESSTYPETEXT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PHASEID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PHASEIDTEXT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-ERRORID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-REACTIONTYPE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHECKSTATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-REACTIONCATEGORY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-WORKBASKETID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-POSTPROCESSINGPRIORITY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-DUEDATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHECKTEXTSHORT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHECKTEXTLONG sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHECKDESCRIPTION sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERTYPE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERTYPEDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERDIRECTION sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERDIRECTIONDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERPRIORITY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-PAYMENTORDERPRIORITYDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-TECHNICALSTATUS sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASESTATUS sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INOUTFORMAT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-MEDIUM sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHANNEL sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-EXTERNALREFERENCE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-COMPANYCODE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-SENDERCOMPANYCODEDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERBANKCOUNTRY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERBANKKEY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERBIC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERIBAN sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERACCOUNT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERACCOUNTCURRENCY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-INTERNALSENDERHOLDER sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-SUMITEMS sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-SUMCURRENCY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASEAMOUNT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASECURRENCY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-TECHPRIORITY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CUSTOMERSEGMENT sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CREATEUSERID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CREATEDATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CREATETIME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHANGEUSERID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHANGEDATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHANGETIME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASEUSERID sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASEDATE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASETIME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-LOCKUSERNAME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-LOCKUSERFULLNAME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-DATEIDENTIFIER sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-EXTERNALSTATUSCODE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-EXTERNALSTATUSDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-EXTERNALSTATUSCRITICALITY sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-REASONCODE sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-REASONCODEDESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CLEARINGAREADESC sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CREATEUSERNAME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-CHANGEUSERNAME sy-vline 
WA_/PF1/CV_EH_PO_EX_STR-RELEASEUSERNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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