ABAP Select data from SAP table HVECWHR0_EMPLOYEES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HVECWHR0_EMPLOYEES 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 HVECWHR0_EMPLOYEES. 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 HVECWHR0_EMPLOYEES 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_HVECWHR0_EMPLOYEES TYPE STANDARD TABLE OF HVECWHR0_EMPLOYEES,
      WA_HVECWHR0_EMPLOYEES TYPE HVECWHR0_EMPLOYEES,
      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: <HVECWHR0_EMPLOYEES> TYPE HVECWHR0_EMPLOYEES.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HVECWHR0_EMPLOYEES.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HVECWHR0_EMPLOYEES
  INTO TABLE IT_HVECWHR0_EMPLOYEES.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HVECWHR0_EMPLOYEES
*  INTO TABLE @DATA(IT_HVECWHR0_EMPLOYEES2).
*--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_HVECWHR0_EMPLOYEES INDEX 1 INTO DATA(WA_HVECWHR0_EMPLOYEES2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HVECWHR0_EMPLOYEES ASSIGNING <HVECWHR0_EMPLOYEES>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HVECWHR0_EMPLOYEES>-BUKRS = 1.
<HVECWHR0_EMPLOYEES>-SSO_COMPANY_NUMBER = 1.
<HVECWHR0_EMPLOYEES>-PERNR = 1.
<HVECWHR0_EMPLOYEES>-JUPER = 1.
<HVECWHR0_EMPLOYEES>-GENDER = 1.

ENDLOOP.

LOOP AT IT_HVECWHR0_EMPLOYEES INTO WA_HVECWHR0_EMPLOYEES.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HVECWHR0_EMPLOYEES-STELL1, sy-vline,
  WA_HVECWHR0_EMPLOYEES-STELL2, sy-vline,
  WA_HVECWHR0_EMPLOYEES-STELL3, sy-vline,
  WA_HVECWHR0_EMPLOYEES-CLASS1, sy-vline,
  WA_HVECWHR0_EMPLOYEES-CLASS2, sy-vline,
  WA_HVECWHR0_EMPLOYEES-CLASS3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HVECWHR0_EMPLOYEES 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_HVECWHR0_EMPLOYEES 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_HVECWHR0_EMPLOYEES INTO WA_HVECWHR0_EMPLOYEES.


*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_HVECWHR0_EMPLOYEES_STR, 
BUKRS TYPE STRING,
SSO_COMPANY_NUMBER TYPE STRING,
PERNR TYPE STRING,
JUPER TYPE STRING,
GENDER TYPE STRING,
STELL1 TYPE STRING,
STELL2 TYPE STRING,
STELL3 TYPE STRING,
CLASS1 TYPE STRING,
CLASS2 TYPE STRING,
CLASS3 TYPE STRING,
SALARY1 TYPE STRING,
SALARY2 TYPE STRING,
SALARY3 TYPE STRING,
EXTRA_TIME1 TYPE STRING,
EXTRA_TIME2 TYPE STRING,
EXTRA_TIME3 TYPE STRING,
TIME1 TYPE STRING,
TIME2 TYPE STRING,
TIME3 TYPE STRING,
SALARY_AMT1 TYPE STRING,
SALARY_AMT2 TYPE STRING,
SALARY_AMT3 TYPE STRING,
OTHERS1 TYPE STRING,
OTHERS2 TYPE STRING,
OTHERS3 TYPE STRING,
HIRE1 TYPE STRING,
HIRE2 TYPE STRING,
HIRE3 TYPE STRING,
FIRE1 TYPE STRING,
FIRE2 TYPE STRING,
FIRE3 TYPE STRING,
PART_INDICATOR1 TYPE STRING,
PART_INDICATOR2 TYPE STRING,
PART_INDICATOR3 TYPE STRING,
PERSG1 TYPE STRING,
PERSG2 TYPE STRING,
PERSG3 TYPE STRING,
PERSK1 TYPE STRING,
PERSK2 TYPE STRING,
PERSK3 TYPE STRING,
LUN1 TYPE STRING,
MAR1 TYPE STRING,
MIE1 TYPE STRING,
JUE1 TYPE STRING,
VIE1 TYPE STRING,
SAB1 TYPE STRING,
DOM1 TYPE STRING,
DIU1 TYPE STRING,
MIX1 TYPE STRING,
NOT1 TYPE STRING,
HORAS1 TYPE STRING,
LUN2 TYPE STRING,
MAR2 TYPE STRING,
MIE2 TYPE STRING,
JUE2 TYPE STRING,
VIE2 TYPE STRING,
SAB2 TYPE STRING,
DOM2 TYPE STRING,
DIU2 TYPE STRING,
MIX2 TYPE STRING,
NOT2 TYPE STRING,
HORAS2 TYPE STRING,
LUN3 TYPE STRING,
MAR3 TYPE STRING,
MIE3 TYPE STRING,
JUE3 TYPE STRING,
VIE3 TYPE STRING,
SAB3 TYPE STRING,
DOM3 TYPE STRING,
DIU3 TYPE STRING,
MIX3 TYPE STRING,
NOT3 TYPE STRING,
HORAS3 TYPE STRING,
LUN4 TYPE STRING,
MAR4 TYPE STRING,
MIE4 TYPE STRING,
JUE4 TYPE STRING,
VIE4 TYPE STRING,
SAB4 TYPE STRING,
DOM4 TYPE STRING,
DIU4 TYPE STRING,
MIX4 TYPE STRING,
NOT4 TYPE STRING,
HORAS4 TYPE STRING,
LUN5 TYPE STRING,
MAR5 TYPE STRING,
MIE5 TYPE STRING,
JUE5 TYPE STRING,
VIE5 TYPE STRING,
SAB5 TYPE STRING,
DOM5 TYPE STRING,
DIU5 TYPE STRING,
MIX5 TYPE STRING,
NOT5 TYPE STRING,
HORAS5 TYPE STRING,
LUN6 TYPE STRING,
MAR6 TYPE STRING,
MIE6 TYPE STRING,
JUE6 TYPE STRING,
VIE6 TYPE STRING,
SAB6 TYPE STRING,
DOM6 TYPE STRING,
DIU6 TYPE STRING,
MIX6 TYPE STRING,
NOT6 TYPE STRING,
HORAS6 TYPE STRING,
NATIO TYPE STRING,
FOREIGNER1 TYPE STRING,
FOREIGNER2 TYPE STRING,
FOREIGNER3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HVECWHR0_EMPLOYEES_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_HVECWHR0_EMPLOYEES_STR-BUKRS sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SSO_COMPANY_NUMBER sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERNR sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUPER sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-GENDER sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-STELL1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-STELL2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-STELL3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-CLASS1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-CLASS2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-CLASS3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-EXTRA_TIME1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-EXTRA_TIME2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-EXTRA_TIME3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-TIME1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-TIME2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-TIME3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY_AMT1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY_AMT2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SALARY_AMT3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-OTHERS1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-OTHERS2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-OTHERS3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HIRE1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HIRE2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HIRE3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FIRE1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FIRE2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FIRE3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PART_INDICATOR1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PART_INDICATOR2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PART_INDICATOR3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSG1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSG2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSG3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSK1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSK2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-PERSK3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS3 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS4 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS5 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-LUN6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MAR6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIE6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-JUE6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-VIE6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-SAB6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DOM6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-DIU6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-MIX6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NOT6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-HORAS6 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-NATIO sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FOREIGNER1 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FOREIGNER2 sy-vline 
WA_HVECWHR0_EMPLOYEES_STR-FOREIGNER3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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