ABAP Select data from SAP table V_TQSS1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TQSS1 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 V_TQSS1. 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 V_TQSS1 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_V_TQSS1 TYPE STANDARD TABLE OF V_TQSS1,
      WA_V_TQSS1 TYPE V_TQSS1,
      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: <V_TQSS1> TYPE V_TQSS1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_TQSS1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_TQSS1
  INTO TABLE IT_V_TQSS1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TQSS1
*  INTO TABLE @DATA(IT_V_TQSS12).
*--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_V_TQSS1 INDEX 1 INTO DATA(WA_V_TQSS12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_TQSS1 ASSIGNING <V_TQSS1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TQSS1>-MANDT = 1.
<V_TQSS1>-WERKS = 1.
<V_TQSS1>-MERKKL = 1.
<V_TQSS1>-FEHLERKL = 1.
<V_TQSS1>-HISTMERK = 1.

ENDLOOP.

LOOP AT IT_V_TQSS1 INTO WA_V_TQSS1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TQSS1-HISTMETH, sy-vline,
  WA_V_TQSS1-HISTMENGE, sy-vline,
  WA_V_TQSS1-PLAUSIFAK, sy-vline,
  WA_V_TQSS1-NKSTMSGTYP, sy-vline,
  WA_V_TQSS1-NKSTELLOF, sy-vline,
  WA_V_TQSS1-NKSTAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TQSS1 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_V_TQSS1 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_V_TQSS1 INTO WA_V_TQSS1.


*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 KOSTLZERST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TQSS1-KOSTLZERST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TQSS1-KOSTLZERST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTLSCHR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TQSS1-KOSTLSCHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TQSS1-KOSTLSCHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSEINHSW_QUANT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_TQSS1-MASSEINHSW_QUANT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TQSS1-MASSEINHSW_QUANT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MASSEINHSW_QUAL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_TQSS1-MASSEINHSW_QUAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TQSS1-MASSEINHSW_QUAL.
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_V_TQSS1_STR, 
MANDT TYPE STRING,
WERKS TYPE STRING,
MERKKL TYPE STRING,
FEHLERKL TYPE STRING,
HISTMERK TYPE STRING,
HISTMETH TYPE STRING,
HISTMENGE TYPE STRING,
PLAUSIFAK TYPE STRING,
NKSTMSGTYP TYPE STRING,
NKSTELLOF TYPE STRING,
NKSTAT TYPE STRING,
EINFACHERF TYPE STRING,
RDKLASPLAU TYPE STRING,
LGORTRLAGE TYPE STRING,
KOSTLZERST TYPE STRING,
KOSTLSCHR TYPE STRING,
KOSTRCHKRS TYPE STRING,
STARTPROBE TYPE STRING,
INKREPROBE TYPE STRING,
SELEZEIT TYPE STRING,
STPREINS TYPE STRING,
SLWBEZ TYPE STRING,
PPVEMENGE TYPE STRING,
PPVEWERK TYPE STRING,
PPVECODEGR TYPE STRING,
PPVECODE TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
PPKZTLZU TYPE STRING,
SKIP_TIME TYPE STRING,
AUD_HOURS TYPE STRING,
AUD_MINUT TYPE STRING,
PPSTPRVER TYPE STRING,
VOSTPRVER TYPE STRING,
IHSTPRVER TYPE STRING,
PVSTPRVER TYPE STRING,
KZGEB TYPE STRING,
AUARTPER TYPE STRING,
AUARTEINZL TYPE STRING,
VALNOSPEC TYPE STRING,
ARTQMAT TYPE STRING,
IMMEDIATE_CHDOC TYPE STRING,
STEUERKZ_QUANT TYPE STRING,
STEUERKZ_QUAL TYPE STRING,
STICHPRVER_QUANT TYPE STRING,
STICHPRVER_QUAL TYPE STRING,
MASSEINHSW_QUANT TYPE STRING,
MASSEINHSW_QUAL TYPE STRING,
PROFIDNETZ TYPE STRING,
PPVECODGRA TYPE STRING,
PPVECODEA TYPE STRING,
PPVECODGRR TYPE STRING,
PPVECODER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TQSS1_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_V_TQSS1_STR-MANDT sy-vline 
WA_V_TQSS1_STR-WERKS sy-vline 
WA_V_TQSS1_STR-MERKKL sy-vline 
WA_V_TQSS1_STR-FEHLERKL sy-vline 
WA_V_TQSS1_STR-HISTMERK sy-vline 
WA_V_TQSS1_STR-HISTMETH sy-vline 
WA_V_TQSS1_STR-HISTMENGE sy-vline 
WA_V_TQSS1_STR-PLAUSIFAK sy-vline 
WA_V_TQSS1_STR-NKSTMSGTYP sy-vline 
WA_V_TQSS1_STR-NKSTELLOF sy-vline 
WA_V_TQSS1_STR-NKSTAT sy-vline 
WA_V_TQSS1_STR-EINFACHERF sy-vline 
WA_V_TQSS1_STR-RDKLASPLAU sy-vline 
WA_V_TQSS1_STR-LGORTRLAGE sy-vline 
WA_V_TQSS1_STR-KOSTLZERST sy-vline 
WA_V_TQSS1_STR-KOSTLSCHR sy-vline 
WA_V_TQSS1_STR-KOSTRCHKRS sy-vline 
WA_V_TQSS1_STR-STARTPROBE sy-vline 
WA_V_TQSS1_STR-INKREPROBE sy-vline 
WA_V_TQSS1_STR-SELEZEIT sy-vline 
WA_V_TQSS1_STR-STPREINS sy-vline 
WA_V_TQSS1_STR-SLWBEZ sy-vline 
WA_V_TQSS1_STR-PPVEMENGE sy-vline 
WA_V_TQSS1_STR-PPVEWERK sy-vline 
WA_V_TQSS1_STR-PPVECODEGR sy-vline 
WA_V_TQSS1_STR-PPVECODE sy-vline 
WA_V_TQSS1_STR-NAME1 sy-vline 
WA_V_TQSS1_STR-NAME2 sy-vline 
WA_V_TQSS1_STR-PPKZTLZU sy-vline 
WA_V_TQSS1_STR-SKIP_TIME sy-vline 
WA_V_TQSS1_STR-AUD_HOURS sy-vline 
WA_V_TQSS1_STR-AUD_MINUT sy-vline 
WA_V_TQSS1_STR-PPSTPRVER sy-vline 
WA_V_TQSS1_STR-VOSTPRVER sy-vline 
WA_V_TQSS1_STR-IHSTPRVER sy-vline 
WA_V_TQSS1_STR-PVSTPRVER sy-vline 
WA_V_TQSS1_STR-KZGEB sy-vline 
WA_V_TQSS1_STR-AUARTPER sy-vline 
WA_V_TQSS1_STR-AUARTEINZL sy-vline 
WA_V_TQSS1_STR-VALNOSPEC sy-vline 
WA_V_TQSS1_STR-ARTQMAT sy-vline 
WA_V_TQSS1_STR-IMMEDIATE_CHDOC sy-vline 
WA_V_TQSS1_STR-STEUERKZ_QUANT sy-vline 
WA_V_TQSS1_STR-STEUERKZ_QUAL sy-vline 
WA_V_TQSS1_STR-STICHPRVER_QUANT sy-vline 
WA_V_TQSS1_STR-STICHPRVER_QUAL sy-vline 
WA_V_TQSS1_STR-MASSEINHSW_QUANT sy-vline 
WA_V_TQSS1_STR-MASSEINHSW_QUAL sy-vline 
WA_V_TQSS1_STR-PROFIDNETZ sy-vline 
WA_V_TQSS1_STR-PPVECODGRA sy-vline 
WA_V_TQSS1_STR-PPVECODEA sy-vline 
WA_V_TQSS1_STR-PPVECODGRR sy-vline 
WA_V_TQSS1_STR-PPVECODER sy-vline      INTO ld_text SEPARATED BY SPACE.

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