ABAP Select data from SAP table /ISDFPS/BAPI_LQUA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/BAPI_LQUA 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 /ISDFPS/BAPI_LQUA. 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 /ISDFPS/BAPI_LQUA 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_/ISDFPS/BAPI_LQUA TYPE STANDARD TABLE OF /ISDFPS/BAPI_LQUA,
      WA_/ISDFPS/BAPI_LQUA TYPE /ISDFPS/BAPI_LQUA,
      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: </ISDFPS/BAPI_LQUA> TYPE /ISDFPS/BAPI_LQUA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/BAPI_LQUA
  INTO TABLE IT_/ISDFPS/BAPI_LQUA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/BAPI_LQUA
*  INTO TABLE @DATA(IT_/ISDFPS/BAPI_LQUA2).
*--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_/ISDFPS/BAPI_LQUA INDEX 1 INTO DATA(WA_/ISDFPS/BAPI_LQUA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/BAPI_LQUA ASSIGNING </ISDFPS/BAPI_LQUA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/BAPI_LQUA>-LGNUM = 1.
</ISDFPS/BAPI_LQUA>-LQNUM = 1.
</ISDFPS/BAPI_LQUA>-MATNR = 1.
</ISDFPS/BAPI_LQUA>-WERKS = 1.
</ISDFPS/BAPI_LQUA>-CHARG = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/BAPI_LQUA INTO WA_/ISDFPS/BAPI_LQUA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/BAPI_LQUA-BESTQ, sy-vline,
  WA_/ISDFPS/BAPI_LQUA-SOBKZ, sy-vline,
  WA_/ISDFPS/BAPI_LQUA-SONUM, sy-vline,
  WA_/ISDFPS/BAPI_LQUA-LGTYP, sy-vline,
  WA_/ISDFPS/BAPI_LQUA-LGPLA, sy-vline,
  WA_/ISDFPS/BAPI_LQUA-PLPOS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/BAPI_LQUA 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_/ISDFPS/BAPI_LQUA 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_/ISDFPS/BAPI_LQUA INTO WA_/ISDFPS/BAPI_LQUA.


*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 MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_LQUA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_LQUA-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_LQUA-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_LQUA-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_LQUA-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_LQUA-GEWEI.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit LENUM, internal->external for field LENUM
CALL FUNCTION 'CONVERSION_EXIT_LENUM_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_LQUA-LENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_LQUA-LENUM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATNR_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_LQUA-MATNR_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_LQUA-MATNR_LONG.
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_/ISDFPS/BAPI_LQUA_STR, 
LGNUM TYPE STRING,
LQNUM TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
BESTQ TYPE STRING,
SOBKZ TYPE STRING,
SONUM TYPE STRING,
LGTYP TYPE STRING,
LGPLA TYPE STRING,
PLPOS TYPE STRING,
SKZUE TYPE STRING,
SKZUA TYPE STRING,
SKZSE TYPE STRING,
SKZSA TYPE STRING,
SKZSI TYPE STRING,
SPGRU TYPE STRING,
ZEUGN TYPE STRING,
BDATU TYPE STRING,
BZEIT TYPE STRING,
BTANR TYPE STRING,
BTAPS TYPE STRING,
EDATU TYPE STRING,
EZEIT TYPE STRING,
ADATU TYPE STRING,
AZEIT TYPE STRING,
ZDATU TYPE STRING,
WDATU TYPE STRING,
WENUM TYPE STRING,
WEPOS TYPE STRING,
LETYP TYPE STRING,
MEINS TYPE STRING,
GESME TYPE STRING,
VERME TYPE STRING,
EINME TYPE STRING,
AUSME TYPE STRING,
MGEWI TYPE STRING,
GEWEI TYPE STRING,
TBNUM TYPE STRING,
IVNUM TYPE STRING,
IVPOS TYPE STRING,
BETYP TYPE STRING,
BENUM TYPE STRING,
LENUM TYPE STRING,
QPLOS TYPE STRING,
VFDAT TYPE STRING,
QKAPV TYPE STRING,
KOBER TYPE STRING,
LGORT TYPE STRING,
VIRGO TYPE STRING,
TRAME TYPE STRING,
KZHUQ TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
IDATU TYPE STRING,
MATNR_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/BAPI_LQUA_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_/ISDFPS/BAPI_LQUA_STR-LGNUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LQNUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-MATNR sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-WERKS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-CHARG sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BESTQ sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SOBKZ sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SONUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LGTYP sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LGPLA sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-PLPOS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SKZUE sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SKZUA sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SKZSE sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SKZSA sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SKZSI sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-SPGRU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-ZEUGN sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BDATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BZEIT sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BTANR sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BTAPS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-EDATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-EZEIT sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-ADATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-AZEIT sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-ZDATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-WDATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-WENUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-WEPOS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LETYP sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-MEINS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-GESME sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-VERME sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-EINME sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-AUSME sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-MGEWI sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-GEWEI sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-TBNUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-IVNUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-IVPOS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BETYP sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-BENUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LENUM sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-QPLOS sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-VFDAT sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-QKAPV sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-KOBER sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-LGORT sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-VIRGO sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-TRAME sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-KZHUQ sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-VBELN sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-POSNR sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-IDATU sy-vline 
WA_/ISDFPS/BAPI_LQUA_STR-MATNR_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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