ABAP Select data from SAP table PZA_LABREL1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PZA_LABREL1 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 PZA_LABREL1. 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 PZA_LABREL1 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_PZA_LABREL1 TYPE STANDARD TABLE OF PZA_LABREL1,
      WA_PZA_LABREL1 TYPE PZA_LABREL1,
      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: <PZA_LABREL1> TYPE PZA_LABREL1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PZA_LABREL1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PZA_LABREL1
  INTO TABLE IT_PZA_LABREL1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PZA_LABREL1
*  INTO TABLE @DATA(IT_PZA_LABREL12).
*--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_PZA_LABREL1 INDEX 1 INTO DATA(WA_PZA_LABREL12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PZA_LABREL1 ASSIGNING <PZA_LABREL1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PZA_LABREL1>-LRTYP = 1.
<PZA_LABREL1>-STEXT = 1.
<PZA_LABREL1>-CASNR = 1.
<PZA_LABREL1>-PERNR = 1.
<PZA_LABREL1>-NACHN = 1.

ENDLOOP.

LOOP AT IT_PZA_LABREL1 INTO WA_PZA_LABREL1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PZA_LABREL1-INITS, sy-vline,
  WA_PZA_LABREL1-STATU, sy-vline,
  WA_PZA_LABREL1-STATD, sy-vline,
  WA_PZA_LABREL1-REASN, sy-vline,
  WA_PZA_LABREL1-REASD, sy-vline,
  WA_PZA_LABREL1-DATEP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PZA_LABREL1 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_PZA_LABREL1 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_PZA_LABREL1 INTO WA_PZA_LABREL1.


*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 ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PZA_LABREL1-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PZA_LABREL1-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PZA_LABREL1-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PZA_LABREL1-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SGMNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PZA_LABREL1-SGMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PZA_LABREL1-SGMNT.
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_PZA_LABREL1_STR, 
LRTYP TYPE STRING,
STEXT TYPE STRING,
CASNR TYPE STRING,
PERNR TYPE STRING,
NACHN TYPE STRING,
INITS TYPE STRING,
STATU TYPE STRING,
STATD TYPE STRING,
REASN TYPE STRING,
REASD TYPE STRING,
DATEP TYPE STRING,
OUTCK TYPE STRING,
OUTCD TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
VDSK1 TYPE STRING,
GSBER TYPE STRING,
BTRTL TYPE STRING,
JUPER TYPE STRING,
ABKRS TYPE STRING,
ANSVH TYPE STRING,
KOSTL TYPE STRING,
ORGEH TYPE STRING,
PLANS TYPE STRING,
STELL TYPE STRING,
MSTBR TYPE STRING,
SACHA TYPE STRING,
SACHP TYPE STRING,
SACHZ TYPE STRING,
SNAME TYPE STRING,
ENAME TYPE STRING,
OTYPE TYPE STRING,
SBMOD TYPE STRING,
KOKRS TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
SGMNT TYPE STRING,
BUDGET_PD TYPE STRING,
TOTAL TYPE STRING,
LIGHT TYPE STRING,
OCCAT TYPE STRING,
OCTXT TYPE STRING,
OCLEV TYPE STRING,
OLTXT TYPE STRING,
GESCH TYPE STRING,
PERMS TYPE STRING,
NATSL TYPE STRING,
JOBTY TYPE STRING,
DISAB TYPE STRING,
AFRIC TYPE STRING,
COLOU TYPE STRING,
INDIA TYPE STRING,
WHITE TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
PLNTX TYPE STRING,
ORGTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PZA_LABREL1_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_PZA_LABREL1_STR-LRTYP sy-vline 
WA_PZA_LABREL1_STR-STEXT sy-vline 
WA_PZA_LABREL1_STR-CASNR sy-vline 
WA_PZA_LABREL1_STR-PERNR sy-vline 
WA_PZA_LABREL1_STR-NACHN sy-vline 
WA_PZA_LABREL1_STR-INITS sy-vline 
WA_PZA_LABREL1_STR-STATU sy-vline 
WA_PZA_LABREL1_STR-STATD sy-vline 
WA_PZA_LABREL1_STR-REASN sy-vline 
WA_PZA_LABREL1_STR-REASD sy-vline 
WA_PZA_LABREL1_STR-DATEP sy-vline 
WA_PZA_LABREL1_STR-OUTCK sy-vline 
WA_PZA_LABREL1_STR-OUTCD sy-vline 
WA_PZA_LABREL1_STR-BUKRS sy-vline 
WA_PZA_LABREL1_STR-WERKS sy-vline 
WA_PZA_LABREL1_STR-PERSG sy-vline 
WA_PZA_LABREL1_STR-PERSK sy-vline 
WA_PZA_LABREL1_STR-VDSK1 sy-vline 
WA_PZA_LABREL1_STR-GSBER sy-vline 
WA_PZA_LABREL1_STR-BTRTL sy-vline 
WA_PZA_LABREL1_STR-JUPER sy-vline 
WA_PZA_LABREL1_STR-ABKRS sy-vline 
WA_PZA_LABREL1_STR-ANSVH sy-vline 
WA_PZA_LABREL1_STR-KOSTL sy-vline 
WA_PZA_LABREL1_STR-ORGEH sy-vline 
WA_PZA_LABREL1_STR-PLANS sy-vline 
WA_PZA_LABREL1_STR-STELL sy-vline 
WA_PZA_LABREL1_STR-MSTBR sy-vline 
WA_PZA_LABREL1_STR-SACHA sy-vline 
WA_PZA_LABREL1_STR-SACHP sy-vline 
WA_PZA_LABREL1_STR-SACHZ sy-vline 
WA_PZA_LABREL1_STR-SNAME sy-vline 
WA_PZA_LABREL1_STR-ENAME sy-vline 
WA_PZA_LABREL1_STR-OTYPE sy-vline 
WA_PZA_LABREL1_STR-SBMOD sy-vline 
WA_PZA_LABREL1_STR-KOKRS sy-vline 
WA_PZA_LABREL1_STR-FISTL sy-vline 
WA_PZA_LABREL1_STR-GEBER sy-vline 
WA_PZA_LABREL1_STR-FKBER sy-vline 
WA_PZA_LABREL1_STR-GRANT_NBR sy-vline 
WA_PZA_LABREL1_STR-SGMNT sy-vline 
WA_PZA_LABREL1_STR-BUDGET_PD sy-vline 
WA_PZA_LABREL1_STR-TOTAL sy-vline 
WA_PZA_LABREL1_STR-LIGHT sy-vline 
WA_PZA_LABREL1_STR-OCCAT sy-vline 
WA_PZA_LABREL1_STR-OCTXT sy-vline 
WA_PZA_LABREL1_STR-OCLEV sy-vline 
WA_PZA_LABREL1_STR-OLTXT sy-vline 
WA_PZA_LABREL1_STR-GESCH sy-vline 
WA_PZA_LABREL1_STR-PERMS sy-vline 
WA_PZA_LABREL1_STR-NATSL sy-vline 
WA_PZA_LABREL1_STR-JOBTY sy-vline 
WA_PZA_LABREL1_STR-DISAB sy-vline 
WA_PZA_LABREL1_STR-AFRIC sy-vline 
WA_PZA_LABREL1_STR-COLOU sy-vline 
WA_PZA_LABREL1_STR-INDIA sy-vline 
WA_PZA_LABREL1_STR-WHITE sy-vline 
WA_PZA_LABREL1_STR-BEGDA sy-vline 
WA_PZA_LABREL1_STR-ENDDA sy-vline 
WA_PZA_LABREL1_STR-PLNTX sy-vline 
WA_PZA_LABREL1_STR-ORGTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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