ABAP Select data from SAP table PIQAGR_APPRDATA_DLG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQAGR_APPRDATA_DLG
*  INTO TABLE @DATA(IT_PIQAGR_APPRDATA_DLG2).
*--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_PIQAGR_APPRDATA_DLG INDEX 1 INTO DATA(WA_PIQAGR_APPRDATA_DLG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQAGR_APPRDATA_DLG>-AGRID = 1.
<PIQAGR_APPRDATA_DLG>-ATTNO = 1.
<PIQAGR_APPRDATA_DLG>-AGRTYPE = 1.
<PIQAGR_APPRDATA_DLG>-AGRSTAT = 1.
<PIQAGR_APPRDATA_DLG>-ARCH_STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQAGR_APPRDATA_DLG-AGRREMARK, sy-vline,
  WA_PIQAGR_APPRDATA_DLG-AYEAR, sy-vline,
  WA_PIQAGR_APPRDATA_DLG-APERIOD, sy-vline,
  WA_PIQAGR_APPRDATA_DLG-AGRBEGDA, sy-vline,
  WA_PIQAGR_APPRDATA_DLG-AGRENDDA, sy-vline,
  WA_PIQAGR_APPRDATA_DLG-AGRDATEE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQAGR_APPRDATA_DLG 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_PIQAGR_APPRDATA_DLG 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_PIQAGR_APPRDATA_DLG INTO WA_PIQAGR_APPRDATA_DLG.


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

*Conversion exit CUNIT, internal->external for field CPUNIT506
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PIQAGR_APPRDATA_DLG-CPUNIT506
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQAGR_APPRDATA_DLG-CPUNIT506.
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_PIQAGR_APPRDATA_DLG_STR, 
AGRID TYPE STRING,
ATTNO TYPE STRING,
AGRTYPE TYPE STRING,
AGRSTAT TYPE STRING,
ARCH_STATUS TYPE STRING,
AGRREMARK TYPE STRING,
AYEAR TYPE STRING,
APERIOD TYPE STRING,
AGRBEGDA TYPE STRING,
AGRENDDA TYPE STRING,
AGRDATEE TYPE STRING,
AGRDATEL TYPE STRING,
AGRWEIGHT TYPE STRING,
UPAGRID TYPE STRING,
LAST_DAY_ATT TYPE STRING,
GRADESYM TYPE STRING,
GRADE TYPE STRING,
GRADESCALE TYPE STRING,
AGRNOTRATED TYPE STRING,
AGRDATE TYPE STRING,
AGRCOMPLETED TYPE STRING,
NOTEID TYPE STRING,
REGNUM TYPE STRING,
GRADECHANGED TYPE STRING,
PUBLICATIONDATE TYPE STRING,
CPATTEMP TYPE STRING,
CPEARNED TYPE STRING,
CPGRADED TYPE STRING,
CPUNIT TYPE STRING,
SMSTATUS506 TYPE STRING,
STORREASON506 TYPE STRING,
STORDATE506 TYPE STRING,
CPATTEMP506 TYPE STRING,
CPGAINED506 TYPE STRING,
CPUNIT506 TYPE STRING,
NORM_VAL506 TYPE STRING,
BOOKDATE506 TYPE STRING,
BOOKTIME506 TYPE STRING,
SMRATING506 TYPE STRING,
CHARGEFREE506 TYPE STRING,
TRANSFERFLAG506 TYPE STRING,
PACKNUMBER506 TYPE STRING,
VARID506 TYPE STRING,
PERID506 TYPE STRING,
PERYR506 TYPE STRING,
ALT_SCALEID506 TYPE STRING,
ID506 TYPE STRING,
BOOKREASON506 TYPE STRING,
ANNULMENT506 TYPE STRING,
LOCKFLAG506 TYPE STRING,
COBOK506 TYPE STRING,
BOOKING_SUBGROUP_ID506 TYPE STRING,
ATTNO_TW506 TYPE STRING,
AGRTEXT TYPE STRING,
SMSTATUST TYPE STRING,
CANCELREASON_TXT TYPE STRING,
RATING_TXT TYPE STRING,
EVENTPACKAGE_SHT TYPE STRING,
EVENTPACKAGE_TXT TYPE STRING,
ACAD_SESSION_TXT TYPE STRING,
ACAD_YEAR_TXT TYPE STRING,
ACAD_PERID_TXT TYPE STRING,
BOOKREASON_TXT TYPE STRING,
ANNULMENT_TXT TYPE STRING,
AGRTYPE_TXT TYPE STRING,
AGRSTAT_TXT TYPE STRING,
GRADESYMBOL_TXT TYPE STRING,
GRADESCALE_TXT TYPE STRING,
CPUNIT_TXT TYPE STRING,
AGRREMARK_TXT TYPE STRING,
COBOK_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQAGR_APPRDATA_DLG_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_PIQAGR_APPRDATA_DLG_STR-AGRID sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ATTNO sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRTYPE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRSTAT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ARCH_STATUS sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRREMARK sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AYEAR sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-APERIOD sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRBEGDA sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRENDDA sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRDATEE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRDATEL sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRWEIGHT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-UPAGRID sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-LAST_DAY_ATT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADESYM sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADESCALE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRNOTRATED sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRDATE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRCOMPLETED sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-NOTEID sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-REGNUM sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADECHANGED sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-PUBLICATIONDATE sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPATTEMP sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPEARNED sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPGRADED sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPUNIT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-SMSTATUS506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-STORREASON506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-STORDATE506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPATTEMP506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPGAINED506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPUNIT506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-NORM_VAL506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-BOOKDATE506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-BOOKTIME506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-SMRATING506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CHARGEFREE506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-TRANSFERFLAG506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-PACKNUMBER506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-VARID506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-PERID506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-PERYR506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ALT_SCALEID506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ID506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-BOOKREASON506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ANNULMENT506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-LOCKFLAG506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-COBOK506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-BOOKING_SUBGROUP_ID506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ATTNO_TW506 sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRTEXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-SMSTATUST sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CANCELREASON_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-RATING_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-EVENTPACKAGE_SHT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-EVENTPACKAGE_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ACAD_SESSION_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ACAD_YEAR_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ACAD_PERID_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-BOOKREASON_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-ANNULMENT_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRTYPE_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRSTAT_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADESYMBOL_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-GRADESCALE_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-CPUNIT_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-AGRREMARK_TXT sy-vline 
WA_PIQAGR_APPRDATA_DLG_STR-COBOK_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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