ABAP Select data from SAP table QAISE3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP QAISE3 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 QAISE3. 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 QAISE3 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_QAISE3 TYPE STANDARD TABLE OF QAISE3,
      WA_QAISE3 TYPE QAISE3,
      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: <QAISE3> TYPE QAISE3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_QAISE3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM QAISE3
  INTO TABLE IT_QAISE3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM QAISE3
*  INTO TABLE @DATA(IT_QAISE32).
*--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_QAISE3 INDEX 1 INTO DATA(WA_QAISE32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_QAISE3 ASSIGNING <QAISE3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<QAISE3>-SATZART = 1.
<QAISE3>-RUECKMELNR = 1.
<QAISE3>-PROBENR = 1.
<QAISE3>-STUECKNR = 1.
<QAISE3>-KZSERNR = 1.

ENDLOOP.

LOOP AT IT_QAISE3 INTO WA_QAISE3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_QAISE3-SERIALNR, sy-vline,
  WA_QAISE3-KZLWERT, sy-vline,
  WA_QAISE3-KZLPROBE, sy-vline,
  WA_QAISE3-KZABSCHL, sy-vline,
  WA_QAISE3-KZBEWEEXT, sy-vline,
  WA_QAISE3-ATTRIBUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_QAISE3 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_QAISE3 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_QAISE3 INTO WA_QAISE3.


*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 SERIALNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QAISE3-SERIALNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QAISE3-SERIALNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MASCHINE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QAISE3-MASCHINE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QAISE3-MASCHINE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_QAISE3-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_QAISE3-PRUEFLOS.
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_QAISE3_STR, 
SATZART TYPE STRING,
RUECKMELNR TYPE STRING,
PROBENR TYPE STRING,
STUECKNR TYPE STRING,
KZSERNR TYPE STRING,
SERIALNR TYPE STRING,
KZLWERT TYPE STRING,
KZLPROBE TYPE STRING,
KZABSCHL TYPE STRING,
KZBEWEEXT TYPE STRING,
ATTRIBUT TYPE STRING,
MESSWERT TYPE STRING,
GRUPPE1 TYPE STRING,
CODE1 TYPE STRING,
GRUPPE2 TYPE STRING,
CODE2 TYPE STRING,
GRUPPE3 TYPE STRING,
CODE3 TYPE STRING,
GRUPPE4 TYPE STRING,
CODE4 TYPE STRING,
GRUPPE5 TYPE STRING,
CODE5 TYPE STRING,
BEWERTUNG TYPE STRING,
FEHLKLAS TYPE STRING,
ANZFEHLER TYPE STRING,
PRUEFDATUV TYPE STRING,
PRUEFZEITV TYPE STRING,
PRUEFER TYPE STRING,
QERGDATH TYPE STRING,
MASCHINE TYPE STRING,
POSITION TYPE STRING,
PRUEFBEMKT TYPE STRING,
MBEWERTGPR TYPE STRING,
FEHLKLASPR TYPE STRING,
MBEWERTGMK TYPE STRING,
FEHLKLASMK TYPE STRING,
ORIGINAL_INPUT TYPE STRING,
DIFF_DEC_PLACES TYPE STRING,
INPPROC_READY TYPE STRING,
PRUEFLOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_QAISE3_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_QAISE3_STR-SATZART sy-vline 
WA_QAISE3_STR-RUECKMELNR sy-vline 
WA_QAISE3_STR-PROBENR sy-vline 
WA_QAISE3_STR-STUECKNR sy-vline 
WA_QAISE3_STR-KZSERNR sy-vline 
WA_QAISE3_STR-SERIALNR sy-vline 
WA_QAISE3_STR-KZLWERT sy-vline 
WA_QAISE3_STR-KZLPROBE sy-vline 
WA_QAISE3_STR-KZABSCHL sy-vline 
WA_QAISE3_STR-KZBEWEEXT sy-vline 
WA_QAISE3_STR-ATTRIBUT sy-vline 
WA_QAISE3_STR-MESSWERT sy-vline 
WA_QAISE3_STR-GRUPPE1 sy-vline 
WA_QAISE3_STR-CODE1 sy-vline 
WA_QAISE3_STR-GRUPPE2 sy-vline 
WA_QAISE3_STR-CODE2 sy-vline 
WA_QAISE3_STR-GRUPPE3 sy-vline 
WA_QAISE3_STR-CODE3 sy-vline 
WA_QAISE3_STR-GRUPPE4 sy-vline 
WA_QAISE3_STR-CODE4 sy-vline 
WA_QAISE3_STR-GRUPPE5 sy-vline 
WA_QAISE3_STR-CODE5 sy-vline 
WA_QAISE3_STR-BEWERTUNG sy-vline 
WA_QAISE3_STR-FEHLKLAS sy-vline 
WA_QAISE3_STR-ANZFEHLER sy-vline 
WA_QAISE3_STR-PRUEFDATUV sy-vline 
WA_QAISE3_STR-PRUEFZEITV sy-vline 
WA_QAISE3_STR-PRUEFER sy-vline 
WA_QAISE3_STR-QERGDATH sy-vline 
WA_QAISE3_STR-MASCHINE sy-vline 
WA_QAISE3_STR-POSITION sy-vline 
WA_QAISE3_STR-PRUEFBEMKT sy-vline 
WA_QAISE3_STR-MBEWERTGPR sy-vline 
WA_QAISE3_STR-FEHLKLASPR sy-vline 
WA_QAISE3_STR-MBEWERTGMK sy-vline 
WA_QAISE3_STR-FEHLKLASMK sy-vline 
WA_QAISE3_STR-ORIGINAL_INPUT sy-vline 
WA_QAISE3_STR-DIFF_DEC_PLACES sy-vline 
WA_QAISE3_STR-INPPROC_READY sy-vline 
WA_QAISE3_STR-PRUEFLOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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