ABAP Select data from SAP table PIQRULEAPP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQRULEAPP
*  INTO TABLE @DATA(IT_PIQRULEAPP2).
*--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_PIQRULEAPP INDEX 1 INTO DATA(WA_PIQRULEAPP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQRULEAPP>-FIRST_NAMEP = 1.
<PIQRULEAPP>-LAST_NAMEP = 1.
<PIQRULEAPP>-MIDDLE_NAMEP = 1.
<PIQRULEAPP>-NICKNAMEP = 1.
<PIQRULEAPP>-INITIALSP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQRULEAPP-NAME_AFFIXP, sy-vline,
  WA_PIQRULEAPP-ARISTOCRATIC_TITLEP, sy-vline,
  WA_PIQRULEAPP-TITELP, sy-vline,
  WA_PIQRULEAPP-FORM_OF_ADDRESS_KEYP, sy-vline,
  WA_PIQRULEAPP-NAME_AT_BIRTHP, sy-vline,
  WA_PIQRULEAPP-DATE_BIRTHP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQRULEAPP 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_PIQRULEAPP 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_PIQRULEAPP INTO WA_PIQRULEAPP.


*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 PDATE, internal->external for field DATE_BIRTHP
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PIQRULEAPP-DATE_BIRTHP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQRULEAPP-DATE_BIRTHP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field CORRESP_LANGUAGEP
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PIQRULEAPP-CORRESP_LANGUAGEP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQRULEAPP-CORRESP_LANGUAGEP.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SXIDN, internal->external for field E_MAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_PIQRULEAPP-E_MAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PIQRULEAPP-E_MAIL.
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_PIQRULEAPP_STR, 
FIRST_NAMEP TYPE STRING,
LAST_NAMEP TYPE STRING,
MIDDLE_NAMEP TYPE STRING,
NICKNAMEP TYPE STRING,
INITIALSP TYPE STRING,
NAME_AFFIXP TYPE STRING,
ARISTOCRATIC_TITLEP TYPE STRING,
TITELP TYPE STRING,
FORM_OF_ADDRESS_KEYP TYPE STRING,
NAME_AT_BIRTHP TYPE STRING,
DATE_BIRTHP TYPE STRING,
COUNTRY_OF_BIRTHP TYPE STRING,
REGION_OF_BIRTHP TYPE STRING,
BIRTHPLACEP TYPE STRING,
NATIONALITY_AT_BIRTHP TYPE STRING,
NATIONALITYP TYPE STRING,
SECOND_NATIONALITYP TYPE STRING,
THIRD_NATIONALITYP TYPE STRING,
CORRESP_LANGUAGEP TYPE STRING,
PERSIDNOP TYPE STRING,
GENDER_KEYP TYPE STRING,
MARITAL_STATUSP TYPE STRING,
RELIGION TYPE STRING,
ETHNIC_GRP TYPE STRING,
JOB TYPE STRING,
SOCIAL_GRP TYPE STRING,
SERVICE_STATUS TYPE STRING,
SERVICE_NUMBER TYPE STRING,
VETERAN_NUMBER TYPE STRING,
DRIVERS_LICENSE_COUNTRY TYPE STRING,
DRIVERS_LICENSE_REGION TYPE STRING,
DRIVERS_LICENSE_NO TYPE STRING,
ADDRESS_TYPE TYPE STRING,
HOUSE_NO TYPE STRING,
STREET TYPE STRING,
STREET2 TYPE STRING,
CITY TYPE STRING,
POSTAL_CD TYPE STRING,
COUNTRY TYPE STRING,
REGION TYPE STRING,
TEL_NO TYPE STRING,
FAX_NO TYPE STRING,
SC_OBJID TYPE STRING,
CHOICE_NO TYPE STRING,
ADM_AYEAR TYPE STRING,
ADM_PERID TYPE STRING,
ADM_ACLEVEL TYPE STRING,
ADM_PROGCLASS TYPE STRING,
ADM_PARTT TYPE STRING,
ADM_CATEG TYPE STRING,
ADM_ENRCATEG TYPE STRING,
ADM_CODE TYPE STRING,
ADM_PERCT TYPE STRING,
ADM_QMNUM TYPE STRING,
ADM_STATUS_SUP TYPE STRING,
ADM_DEC TYPE STRING,
ADM_RECPT TYPE STRING,
ADM_WITH_DECL TYPE STRING,
ADM_GUID TYPE STRING,
COKEY TYPE STRING,
ADM_ACTIVITY TYPE STRING,
CAMPUS TYPE STRING,
CHALL_GRP TYPE STRING,
CHALL_PERC TYPE STRING,
CHALL_TYPE TYPE STRING,
DATE_CHALL_CERT TYPE STRING,
E_MAIL TYPE STRING,
RESIDENCY_STATUS TYPE STRING,
RESIDENCY_COUNTRY TYPE STRING,
RESIDENCY_REGION TYPE STRING,
RESIDENCY_COUNTY TYPE STRING,
PASSPORT_NUMBER TYPE STRING,
ALTERNAT_STUDENT_NO TYPE STRING,
STUDENTGRP TYPE STRING,
VISA_TYPE TYPE STRING,
VISA_NUMBER TYPE STRING,
VALID_FROM TYPE STRING,
VALID_UNTIL TYPE STRING,
DATE_OF_ISSUE TYPE STRING,
ISSUING_INSTITUTION TYPE STRING,
ISSUING_COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQRULEAPP_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_PIQRULEAPP_STR-FIRST_NAMEP sy-vline 
WA_PIQRULEAPP_STR-LAST_NAMEP sy-vline 
WA_PIQRULEAPP_STR-MIDDLE_NAMEP sy-vline 
WA_PIQRULEAPP_STR-NICKNAMEP sy-vline 
WA_PIQRULEAPP_STR-INITIALSP sy-vline 
WA_PIQRULEAPP_STR-NAME_AFFIXP sy-vline 
WA_PIQRULEAPP_STR-ARISTOCRATIC_TITLEP sy-vline 
WA_PIQRULEAPP_STR-TITELP sy-vline 
WA_PIQRULEAPP_STR-FORM_OF_ADDRESS_KEYP sy-vline 
WA_PIQRULEAPP_STR-NAME_AT_BIRTHP sy-vline 
WA_PIQRULEAPP_STR-DATE_BIRTHP sy-vline 
WA_PIQRULEAPP_STR-COUNTRY_OF_BIRTHP sy-vline 
WA_PIQRULEAPP_STR-REGION_OF_BIRTHP sy-vline 
WA_PIQRULEAPP_STR-BIRTHPLACEP sy-vline 
WA_PIQRULEAPP_STR-NATIONALITY_AT_BIRTHP sy-vline 
WA_PIQRULEAPP_STR-NATIONALITYP sy-vline 
WA_PIQRULEAPP_STR-SECOND_NATIONALITYP sy-vline 
WA_PIQRULEAPP_STR-THIRD_NATIONALITYP sy-vline 
WA_PIQRULEAPP_STR-CORRESP_LANGUAGEP sy-vline 
WA_PIQRULEAPP_STR-PERSIDNOP sy-vline 
WA_PIQRULEAPP_STR-GENDER_KEYP sy-vline 
WA_PIQRULEAPP_STR-MARITAL_STATUSP sy-vline 
WA_PIQRULEAPP_STR-RELIGION sy-vline 
WA_PIQRULEAPP_STR-ETHNIC_GRP sy-vline 
WA_PIQRULEAPP_STR-JOB sy-vline 
WA_PIQRULEAPP_STR-SOCIAL_GRP sy-vline 
WA_PIQRULEAPP_STR-SERVICE_STATUS sy-vline 
WA_PIQRULEAPP_STR-SERVICE_NUMBER sy-vline 
WA_PIQRULEAPP_STR-VETERAN_NUMBER sy-vline 
WA_PIQRULEAPP_STR-DRIVERS_LICENSE_COUNTRY sy-vline 
WA_PIQRULEAPP_STR-DRIVERS_LICENSE_REGION sy-vline 
WA_PIQRULEAPP_STR-DRIVERS_LICENSE_NO sy-vline 
WA_PIQRULEAPP_STR-ADDRESS_TYPE sy-vline 
WA_PIQRULEAPP_STR-HOUSE_NO sy-vline 
WA_PIQRULEAPP_STR-STREET sy-vline 
WA_PIQRULEAPP_STR-STREET2 sy-vline 
WA_PIQRULEAPP_STR-CITY sy-vline 
WA_PIQRULEAPP_STR-POSTAL_CD sy-vline 
WA_PIQRULEAPP_STR-COUNTRY sy-vline 
WA_PIQRULEAPP_STR-REGION sy-vline 
WA_PIQRULEAPP_STR-TEL_NO sy-vline 
WA_PIQRULEAPP_STR-FAX_NO sy-vline 
WA_PIQRULEAPP_STR-SC_OBJID sy-vline 
WA_PIQRULEAPP_STR-CHOICE_NO sy-vline 
WA_PIQRULEAPP_STR-ADM_AYEAR sy-vline 
WA_PIQRULEAPP_STR-ADM_PERID sy-vline 
WA_PIQRULEAPP_STR-ADM_ACLEVEL sy-vline 
WA_PIQRULEAPP_STR-ADM_PROGCLASS sy-vline 
WA_PIQRULEAPP_STR-ADM_PARTT sy-vline 
WA_PIQRULEAPP_STR-ADM_CATEG sy-vline 
WA_PIQRULEAPP_STR-ADM_ENRCATEG sy-vline 
WA_PIQRULEAPP_STR-ADM_CODE sy-vline 
WA_PIQRULEAPP_STR-ADM_PERCT sy-vline 
WA_PIQRULEAPP_STR-ADM_QMNUM sy-vline 
WA_PIQRULEAPP_STR-ADM_STATUS_SUP sy-vline 
WA_PIQRULEAPP_STR-ADM_DEC sy-vline 
WA_PIQRULEAPP_STR-ADM_RECPT sy-vline 
WA_PIQRULEAPP_STR-ADM_WITH_DECL sy-vline 
WA_PIQRULEAPP_STR-ADM_GUID sy-vline 
WA_PIQRULEAPP_STR-COKEY sy-vline 
WA_PIQRULEAPP_STR-ADM_ACTIVITY sy-vline 
WA_PIQRULEAPP_STR-CAMPUS sy-vline 
WA_PIQRULEAPP_STR-CHALL_GRP sy-vline 
WA_PIQRULEAPP_STR-CHALL_PERC sy-vline 
WA_PIQRULEAPP_STR-CHALL_TYPE sy-vline 
WA_PIQRULEAPP_STR-DATE_CHALL_CERT sy-vline 
WA_PIQRULEAPP_STR-E_MAIL sy-vline 
WA_PIQRULEAPP_STR-RESIDENCY_STATUS sy-vline 
WA_PIQRULEAPP_STR-RESIDENCY_COUNTRY sy-vline 
WA_PIQRULEAPP_STR-RESIDENCY_REGION sy-vline 
WA_PIQRULEAPP_STR-RESIDENCY_COUNTY sy-vline 
WA_PIQRULEAPP_STR-PASSPORT_NUMBER sy-vline 
WA_PIQRULEAPP_STR-ALTERNAT_STUDENT_NO sy-vline 
WA_PIQRULEAPP_STR-STUDENTGRP sy-vline 
WA_PIQRULEAPP_STR-VISA_TYPE sy-vline 
WA_PIQRULEAPP_STR-VISA_NUMBER sy-vline 
WA_PIQRULEAPP_STR-VALID_FROM sy-vline 
WA_PIQRULEAPP_STR-VALID_UNTIL sy-vline 
WA_PIQRULEAPP_STR-DATE_OF_ISSUE sy-vline 
WA_PIQRULEAPP_STR-ISSUING_INSTITUTION sy-vline 
WA_PIQRULEAPP_STR-ISSUING_COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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