ABAP Select data from SAP table P02_ELM_TMX_LAW_SALARY3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P02_ELM_TMX_LAW_SALARY3 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_ELM_TMX_LAW_SALARY3. 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_ELM_TMX_LAW_SALARY3 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_ELM_TMX_LAW_SALARY3 TYPE STANDARD TABLE OF P02_ELM_TMX_LAW_SALARY3,
      WA_P02_ELM_TMX_LAW_SALARY3 TYPE P02_ELM_TMX_LAW_SALARY3,
      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_ELM_TMX_LAW_SALARY3> TYPE P02_ELM_TMX_LAW_SALARY3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P02_ELM_TMX_LAW_SALARY3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P02_ELM_TMX_LAW_SALARY3
  INTO TABLE IT_P02_ELM_TMX_LAW_SALARY3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P02_ELM_TMX_LAW_SALARY3
*  INTO TABLE @DATA(IT_P02_ELM_TMX_LAW_SALARY32).
*--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_ELM_TMX_LAW_SALARY3 INDEX 1 INTO DATA(WA_P02_ELM_TMX_LAW_SALARY32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P02_ELM_TMX_LAW_SALARY3 ASSIGNING <P02_ELM_TMX_LAW_SALARY3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P02_ELM_TMX_LAW_SALARY3>-SECTN = 1.
<P02_ELM_TMX_LAW_SALARY3>-CMPNY = 1.
<P02_ELM_TMX_LAW_SALARY3>-AWSCH = 1.
<P02_ELM_TMX_LAW_SALARY3>-INIDD = 1.
<P02_ELM_TMX_LAW_SALARY3>-ABREH = 1.

ENDLOOP.

LOOP AT IT_P02_ELM_TMX_LAW_SALARY3 INTO WA_P02_ELM_TMX_LAW_SALARY3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P02_ELM_TMX_LAW_SALARY3-PERNR, sy-vline,
  WA_P02_ELM_TMX_LAW_SALARY3-ENDDA, sy-vline,
  WA_P02_ELM_TMX_LAW_SALARY3-BEGDA, sy-vline,
  WA_P02_ELM_TMX_LAW_SALARY3-PERID, sy-vline,
  WA_P02_ELM_TMX_LAW_SALARY3-RESD3, sy-vline,
  WA_P02_ELM_TMX_LAW_SALARY3-RESD4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P02_ELM_TMX_LAW_SALARY3 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_ELM_TMX_LAW_SALARY3 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_ELM_TMX_LAW_SALARY3 INTO WA_P02_ELM_TMX_LAW_SALARY3.


*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 PIDEX, internal->external for field TMV_PERID_EXT
CALL FUNCTION 'CONVERSION_EXIT_PIDEX_OUTPUT'
  EXPORTING
    input =                      WA_P02_ELM_TMX_LAW_SALARY3-TMV_PERID_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P02_ELM_TMX_LAW_SALARY3-TMV_PERID_EXT.
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_P02_ELM_TMX_LAW_SALARY3_STR, 
SECTN TYPE STRING,
CMPNY TYPE STRING,
AWSCH TYPE STRING,
INIDD TYPE STRING,
ABREH TYPE STRING,
PERNR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
PERID TYPE STRING,
RESD3 TYPE STRING,
RESD4 TYPE STRING,
SUMLG TYPE STRING,
LGART TYPE STRING,
BETRG TYPE STRING,
WAERS TYPE STRING,
ANZHL TYPE STRING,
ZEINH TYPE STRING,
RTBET TYPE STRING,
PPERN TYPE STRING,
PBEGD TYPE STRING,
PENDD TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
SEQNR TYPE STRING,
EVENT TYPE STRING,
RR_VJ TYPE STRING,
TMV_PERID_EXT TYPE STRING,
TMV_NACHN TYPE STRING,
TMV_VORNA TYPE STRING,
TMV_ENAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P02_ELM_TMX_LAW_SALARY3_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_ELM_TMX_LAW_SALARY3_STR-SECTN sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-CMPNY sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-AWSCH sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-INIDD sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-ABREH sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-PERNR sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-ENDDA sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-BEGDA sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-PERID sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-RESD3 sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-RESD4 sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-SUMLG sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-LGART sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-BETRG sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-WAERS sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-ANZHL sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-ZEINH sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-RTBET sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-PPERN sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-PBEGD sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-PENDD sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-INFTY sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-SUBTY sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-OBJPS sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-SPRPS sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-SEQNR sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-EVENT sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-RR_VJ sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-TMV_PERID_EXT sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-TMV_NACHN sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-TMV_VORNA sy-vline 
WA_P02_ELM_TMX_LAW_SALARY3_STR-TMV_ENAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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