ABAP Select data from SAP table ISDFS_POSQUALIFNBLOCKTP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISDFS_POSQUALIFNBLOCKTP
*  INTO TABLE @DATA(IT_ISDFS_POSQUALIFNBLOCKTP2).
*--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_ISDFS_POSQUALIFNBLOCKTP INDEX 1 INTO DATA(WA_ISDFS_POSQUALIFNBLOCKTP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISDFS_POSQUALIFNBLOCKTP>-KEY = 1.
<ISDFS_POSQUALIFNBLOCKTP>-PARENT_KEY = 1.
<ISDFS_POSQUALIFNBLOCKTP>-ROOT_KEY = 1.
<ISDFS_POSQUALIFNBLOCKTP>-DFSOBJECTID = 1.
<ISDFS_POSQUALIFNBLOCKTP>-DFSPOSITIONRELATEDOBJECTID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISDFS_POSQUALIFNBLOCKTP-DFSOBJECTPLNGSTATUS, sy-vline,
  WA_ISDFS_POSQUALIFNBLOCKTP-DFSPOSITIONVALDTYSTARTDATE, sy-vline,
  WA_ISDFS_POSQUALIFNBLOCKTP-DFSPOSITIONVALDTYENDDATE, sy-vline,
  WA_ISDFS_POSQUALIFNBLOCKTP-DFSOBJECTTYPE, sy-vline,
  WA_ISDFS_POSQUALIFNBLOCKTP-DFSOBJECTPLANVERSION, sy-vline,
  WA_ISDFS_POSQUALIFNBLOCKTP-DFSOBJECTRELSHPSPEC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISDFS_POSQUALIFNBLOCKTP 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_ISDFS_POSQUALIFNBLOCKTP 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_ISDFS_POSQUALIFNBLOCKTP INTO WA_ISDFS_POSQUALIFNBLOCKTP.


*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_ISDFS_POSQUALIFNBLOCKTP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
DFSOBJECTID TYPE STRING,
DFSPOSITIONRELATEDOBJECTID TYPE STRING,
DFSOBJECTPLNGSTATUS TYPE STRING,
DFSPOSITIONVALDTYSTARTDATE TYPE STRING,
DFSPOSITIONVALDTYENDDATE TYPE STRING,
DFSOBJECTTYPE TYPE STRING,
DFSOBJECTPLANVERSION TYPE STRING,
DFSOBJECTRELSHPSPEC TYPE STRING,
DFSOBJECTRELSHPBTWNOBJ TYPE STRING,
DFSOBJECTRELSHPPRIORITY TYPE STRING,
DFSPOSITIONDESCREFSQNCNMBR TYPE STRING,
DFSOBJECTINFOTYPE TYPE STRING,
DFSOBJECTCONCATENATEDID TYPE STRING,
DFSOBJECTSUBTYPE TYPE STRING,
DFSPOSITIONRELATEDOBJECTTYPE TYPE STRING,
DFSOBJRELSHPLASTCHGDBYUSERNAME TYPE STRING,
DFSOBJRELSHPLASTCHGDBYUSER TYPE STRING,
DFSOBJRELSHPLASTCHGDDATE TYPE STRING,
DFSOBJECTVALDTYSTARTDATEFOED TYPE STRING,
DFSOBJECTVALDTYENDDATEFOED TYPE STRING,
DFSPOSITIONRELATEDOBJECTIDFOED TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISDFS_POSQUALIFNBLOCKTP_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_ISDFS_POSQUALIFNBLOCKTP_STR-KEY sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-PARENT_KEY sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-ROOT_KEY sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTID sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONRELATEDOBJECTID sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTPLNGSTATUS sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONVALDTYSTARTDATE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONVALDTYENDDATE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTTYPE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTPLANVERSION sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTRELSHPSPEC sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTRELSHPBTWNOBJ sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTRELSHPPRIORITY sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONDESCREFSQNCNMBR sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTINFOTYPE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTCONCATENATEDID sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTSUBTYPE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONRELATEDOBJECTTYPE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJRELSHPLASTCHGDBYUSERNAME sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJRELSHPLASTCHGDBYUSER sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJRELSHPLASTCHGDDATE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTVALDTYSTARTDATEFOED sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSOBJECTVALDTYENDDATEFOED sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DFSPOSITIONRELATEDOBJECTIDFOED sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-HASACTIVEENTITY sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISDFS_POSQUALIFNBLOCKTP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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