ABAP Select data from SAP table IMPESFIATOA into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IMPESFIATOA 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 IMPESFIATOA. 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 IMPESFIATOA 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_IMPESFIATOA TYPE STANDARD TABLE OF IMPESFIATOA,
      WA_IMPESFIATOA TYPE IMPESFIATOA,
      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: <IMPESFIATOA> TYPE IMPESFIATOA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPESFIATOA
*  INTO TABLE @DATA(IT_IMPESFIATOA2).
*--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_IMPESFIATOA INDEX 1 INTO DATA(WA_IMPESFIATOA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMPESFIATOA>-MANDT = 1.
<IMPESFIATOA>-SHOPFLOORITEM = 1.
<IMPESFIATOA>-OPACTYNTWKINSTANCE = 1.
<IMPESFIATOA>-OPACTYNTWKELEMENT = 1.
<IMPESFIATOA>-STATUSANDACTIONSCHEMA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPESFIATOA-STATUSANDACTIONSCHEMASTATUS, sy-vline,
  WA_IMPESFIATOA-SASSTATUSCATEGORY, sy-vline,
  WA_IMPESFIATOA-SHOPFLOORITEMEXTERNALID, sy-vline,
  WA_IMPESFIATOA-SERIALNUMBER, sy-vline,
  WA_IMPESFIATOA-MANUFACTURINGORDER, sy-vline,
  WA_IMPESFIATOA-MANUFACTURINGORDERITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPESFIATOA 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_IMPESFIATOA 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_IMPESFIATOA INTO WA_IMPESFIATOA.


*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 GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFIATOA-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFIATOA-SERIALNUMBER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFIATOA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFIATOA-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field MANUFACTURINGORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFIATOA-MANUFACTURINGORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFIATOA-MANUFACTURINGORDEROPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field OPACTYNTWKELEMENTEXTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFIATOA-OPACTYNTWKELEMENTEXTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFIATOA-OPACTYNTWKELEMENTEXTERNALID.
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_IMPESFIATOA_STR, 
MANDT TYPE STRING,
SHOPFLOORITEM TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
STATUSANDACTIONSCHEMA TYPE STRING,
STATUSANDACTIONSCHEMASTATUS TYPE STRING,
SASSTATUSCATEGORY TYPE STRING,
SHOPFLOORITEMEXTERNALID TYPE STRING,
SERIALNUMBER TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MANUFACTURINGORDERITEM TYPE STRING,
MATERIAL TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
OPERATIONACTIVITYNETWORK TYPE STRING,
OPACTYNTWKVERSIONCOUNTER TYPE STRING,
SASSTATUSCRITICALITY TYPE STRING,
ASSEMBLYSQNCCHECKISREQUIRED TYPE STRING,
OPACTYISSELDFORRTACTVPOSTG TYPE STRING,
MANUFACTURINGORDEROPERATION TYPE STRING,
OPERATIONCONTROLPROFILE TYPE STRING,
MFGORDEROPERATIONTEXT TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
WORKCENTER TYPE STRING,
OPACTYNTWKELEMENTEXTERNALID TYPE STRING,
OPACTYNTWKELEMENTELEMENT TYPE STRING,
OPACTYNTWKELEMENTELMNTVERSCNTR TYPE STRING,
OPACTYNTWKSEGMENTTYPE TYPE STRING,
WORKINSTRUCTION TYPE STRING,
WORKINSTRUCTIONVERSIONCOUNTER TYPE STRING,
OPACTYHASASSGDPRODNRSCETOOLS TYPE STRING,
SASSTATUSNAME TYPE STRING,
SHOPFLOORITEMPRODUCTIONSTATUS TYPE STRING,
USERISLABOREDON TYPE STRING,
LABORTRACKINGISREQUIRED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPESFIATOA_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_IMPESFIATOA_STR-MANDT sy-vline 
WA_IMPESFIATOA_STR-SHOPFLOORITEM sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKINSTANCE sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKELEMENT sy-vline 
WA_IMPESFIATOA_STR-STATUSANDACTIONSCHEMA sy-vline 
WA_IMPESFIATOA_STR-STATUSANDACTIONSCHEMASTATUS sy-vline 
WA_IMPESFIATOA_STR-SASSTATUSCATEGORY sy-vline 
WA_IMPESFIATOA_STR-SHOPFLOORITEMEXTERNALID sy-vline 
WA_IMPESFIATOA_STR-SERIALNUMBER sy-vline 
WA_IMPESFIATOA_STR-MANUFACTURINGORDER sy-vline 
WA_IMPESFIATOA_STR-MANUFACTURINGORDERITEM sy-vline 
WA_IMPESFIATOA_STR-MATERIAL sy-vline 
WA_IMPESFIATOA_STR-ORDERINTERNALID sy-vline 
WA_IMPESFIATOA_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_IMPESFIATOA_STR-OPERATIONACTIVITYNETWORK sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKVERSIONCOUNTER sy-vline 
WA_IMPESFIATOA_STR-SASSTATUSCRITICALITY sy-vline 
WA_IMPESFIATOA_STR-ASSEMBLYSQNCCHECKISREQUIRED sy-vline 
WA_IMPESFIATOA_STR-OPACTYISSELDFORRTACTVPOSTG sy-vline 
WA_IMPESFIATOA_STR-MANUFACTURINGORDEROPERATION sy-vline 
WA_IMPESFIATOA_STR-OPERATIONCONTROLPROFILE sy-vline 
WA_IMPESFIATOA_STR-MFGORDEROPERATIONTEXT sy-vline 
WA_IMPESFIATOA_STR-PRODUCTIONPLANT sy-vline 
WA_IMPESFIATOA_STR-WORKCENTERINTERNALID sy-vline 
WA_IMPESFIATOA_STR-WORKCENTERTYPECODE sy-vline 
WA_IMPESFIATOA_STR-WORKCENTER sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKELEMENTEXTERNALID sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKELEMENTELEMENT sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKELEMENTELMNTVERSCNTR sy-vline 
WA_IMPESFIATOA_STR-OPACTYNTWKSEGMENTTYPE sy-vline 
WA_IMPESFIATOA_STR-WORKINSTRUCTION sy-vline 
WA_IMPESFIATOA_STR-WORKINSTRUCTIONVERSIONCOUNTER sy-vline 
WA_IMPESFIATOA_STR-OPACTYHASASSGDPRODNRSCETOOLS sy-vline 
WA_IMPESFIATOA_STR-SASSTATUSNAME sy-vline 
WA_IMPESFIATOA_STR-SHOPFLOORITEMPRODUCTIONSTATUS sy-vline 
WA_IMPESFIATOA_STR-USERISLABOREDON sy-vline 
WA_IMPESFIATOA_STR-LABORTRACKINGISREQUIRED sy-vline      INTO ld_text SEPARATED BY SPACE.

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