ABAP Select data from SAP table P02_QSGE_EMPLOYEE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P02_QSGE_EMPLOYEE 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 P02_QSGE_EMPLOYEE. 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 P02_QSGE_EMPLOYEE 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_P02_QSGE_EMPLOYEE TYPE STANDARD TABLE OF P02_QSGE_EMPLOYEE,
      WA_P02_QSGE_EMPLOYEE TYPE P02_QSGE_EMPLOYEE,
      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: <P02_QSGE_EMPLOYEE> TYPE P02_QSGE_EMPLOYEE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P02_QSGE_EMPLOYEE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P02_QSGE_EMPLOYEE
  INTO TABLE IT_P02_QSGE_EMPLOYEE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P02_QSGE_EMPLOYEE
*  INTO TABLE @DATA(IT_P02_QSGE_EMPLOYEE2).
*--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_P02_QSGE_EMPLOYEE INDEX 1 INTO DATA(WA_P02_QSGE_EMPLOYEE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P02_QSGE_EMPLOYEE ASSIGNING <P02_QSGE_EMPLOYEE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P02_QSGE_EMPLOYEE>-ABRNR = 1.
<P02_QSGE_EMPLOYEE>-ABREH = 1.
<P02_QSGE_EMPLOYEE>-PERNR = 1.
<P02_QSGE_EMPLOYEE>-ERROR = 1.
<P02_QSGE_EMPLOYEE>-TAX_TYPE = 1.

ENDLOOP.

LOOP AT IT_P02_QSGE_EMPLOYEE INTO WA_P02_QSGE_EMPLOYEE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P02_QSGE_EMPLOYEE-TAX_SUBTYPE, sy-vline,
  WA_P02_QSGE_EMPLOYEE-CONF, sy-vline,
  WA_P02_QSGE_EMPLOYEE-NAHVN, sy-vline,
  WA_P02_QSGE_EMPLOYEE-AHVNR, sy-vline,
  WA_P02_QSGE_EMPLOYEE-NAME, sy-vline,
  WA_P02_QSGE_EMPLOYEE-FNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P02_QSGE_EMPLOYEE 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_P02_QSGE_EMPLOYEE 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_P02_QSGE_EMPLOYEE INTO WA_P02_QSGE_EMPLOYEE.


*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_P02_QSGE_EMPLOYEE_STR, 
ABRNR TYPE STRING,
ABREH TYPE STRING,
PERNR TYPE STRING,
ERROR TYPE STRING,
TAX_TYPE TYPE STRING,
TAX_SUBTYPE TYPE STRING,
CONF TYPE STRING,
NAHVN TYPE STRING,
AHVNR TYPE STRING,
NAME TYPE STRING,
FNAME TYPE STRING,
BIRTHD TYPE STRING,
SEX TYPE STRING,
MARSTAT TYPE STRING,
PARTN_NAME TYPE STRING,
PARTN_FNAME TYPE STRING,
PARTN_WORKS TYPE STRING,
PARTN_WORK_GE TYPE STRING,
PARTN_WORK_CH TYPE STRING,
NO_CHILDREN TYPE STRING,
GBDAT_CHILD15 TYPE STRING,
GBDAT_CHILD14 TYPE STRING,
GBDAT_CHILD13 TYPE STRING,
GBDAT_CHILD12 TYPE STRING,
GBDAT_CHILD11 TYPE STRING,
GBDAT_CHILD10 TYPE STRING,
GBDAT_CHILD9 TYPE STRING,
GBDAT_CHILD8 TYPE STRING,
GBDAT_CHILD7 TYPE STRING,
GBDAT_CHILD6 TYPE STRING,
GBDAT_CHILD5 TYPE STRING,
GBDAT_CHILD4 TYPE STRING,
GBDAT_CHILD3 TYPE STRING,
GBDAT_CHILD2 TYPE STRING,
GBDAT_CHILD1 TYPE STRING,
CONCUB TYPE STRING,
RES_CO TYPE STRING,
RES_STR_TYPE TYPE STRING,
RES_STR_BIND TYPE STRING,
RES_STREET TYPE STRING,
RES_HSNO TYPE STRING,
RES_ZIP TYPE STRING,
RES_LOC TYPE STRING,
RES_COUNTRY TYPE STRING,
RES_CANTON TYPE STRING,
RES_LOC_GE TYPE STRING,
TAX_RATE TYPE STRING,
GROSS TYPE STRING,
PROF_SOC_CAT TYPE STRING,
NO_ABSENCE TYPE STRING,
NO_WORKDAYS TYPE STRING,
SEVER_PAY TYPE STRING,
NON_PERI_PAY TYPE STRING,
FAM_ALLOW TYPE STRING,
EFF_EXPENSE TYPE STRING,
FIX_EXPENSE TYPE STRING,
EXP_RULE_FER TYPE STRING,
ACT_RATE TYPE STRING,
FOREIGN_EE_PARTICIPATION TYPE STRING,
WITHH_TAX TYPE STRING,
CHURCH_TAX TYPE STRING,
FREE_ADDR1 TYPE STRING,
FREE_ADDR2 TYPE STRING,
FREE_ADDR3 TYPE STRING,
FREE_ADDR4 TYPE STRING,
FREE_ADDR5 TYPE STRING,
FREE_ADDR6 TYPE STRING,
FREE_TEXT1 TYPE STRING,
FREE_TEXT2 TYPE STRING,
FREE_TEXT3 TYPE STRING,
OTH_NAME TYPE STRING,
OTH_COMMI TYPE STRING,
3BEGDA TYPE STRING,
3ENDDA TYPE STRING,
PREFERENTIAL_SCALE TYPE STRING,
TAX_LIAB TYPE STRING,
SUMM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P02_QSGE_EMPLOYEE_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_P02_QSGE_EMPLOYEE_STR-ABRNR sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-ABREH sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PERNR sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-ERROR sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-TAX_TYPE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-TAX_SUBTYPE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-CONF sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NAHVN sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-AHVNR sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NAME sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FNAME sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-BIRTHD sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-SEX sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-MARSTAT sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PARTN_NAME sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PARTN_FNAME sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PARTN_WORKS sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PARTN_WORK_GE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PARTN_WORK_CH sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NO_CHILDREN sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD15 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD14 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD13 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD12 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD11 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD10 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD9 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD8 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD7 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD6 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD5 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD4 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD3 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD2 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GBDAT_CHILD1 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-CONCUB sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_CO sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_STR_TYPE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_STR_BIND sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_STREET sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_HSNO sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_ZIP sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_LOC sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_COUNTRY sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_CANTON sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-RES_LOC_GE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-TAX_RATE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-GROSS sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PROF_SOC_CAT sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NO_ABSENCE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NO_WORKDAYS sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-SEVER_PAY sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-NON_PERI_PAY sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FAM_ALLOW sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-EFF_EXPENSE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FIX_EXPENSE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-EXP_RULE_FER sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-ACT_RATE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FOREIGN_EE_PARTICIPATION sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-WITHH_TAX sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-CHURCH_TAX sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR1 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR2 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR3 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR4 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR5 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_ADDR6 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_TEXT1 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_TEXT2 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-FREE_TEXT3 sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-OTH_NAME sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-OTH_COMMI sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-3BEGDA sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-3ENDDA sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-PREFERENTIAL_SCALE sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-TAX_LIAB sy-vline 
WA_P02_QSGE_EMPLOYEE_STR-SUMM sy-vline      INTO ld_text SEPARATED BY SPACE.

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