ABAP Select data from SAP table PIQCAVIEWTIMELIMIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PIQCAVIEWTIMELIMIT
*  INTO TABLE @DATA(IT_PIQCAVIEWTIMELIMIT2).
*--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_PIQCAVIEWTIMELIMIT INDEX 1 INTO DATA(WA_PIQCAVIEWTIMELIMIT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PIQCAVIEWTIMELIMIT>-TIMELIMITUP = 1.
<PIQCAVIEWTIMELIMIT>-TIMELIMITUPT = 1.
<PIQCAVIEWTIMELIMIT>-TIMELIMIT = 1.
<PIQCAVIEWTIMELIMIT>-TIMELIMITT = 1.
<PIQCAVIEWTIMELIMIT>-PERYR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PIQCAVIEWTIMELIMIT-PERYT, sy-vline,
  WA_PIQCAVIEWTIMELIMIT-PERID, sy-vline,
  WA_PIQCAVIEWTIMELIMIT-PERIT, sy-vline,
  WA_PIQCAVIEWTIMELIMIT-BEGDA, sy-vline,
  WA_PIQCAVIEWTIMELIMIT-BEGTIME, sy-vline,
  WA_PIQCAVIEWTIMELIMIT-ENDDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PIQCAVIEWTIMELIMIT 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_PIQCAVIEWTIMELIMIT 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_PIQCAVIEWTIMELIMIT INTO WA_PIQCAVIEWTIMELIMIT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PIQCAVIEWTIMELIMIT_STR, 
TIMELIMITUP TYPE STRING,
TIMELIMITUPT TYPE STRING,
TIMELIMIT TYPE STRING,
TIMELIMITT TYPE STRING,
PERYR TYPE STRING,
PERYT TYPE STRING,
PERID TYPE STRING,
PERIT TYPE STRING,
BEGDA TYPE STRING,
BEGTIME TYPE STRING,
ENDDA TYPE STRING,
ENDTIME TYPE STRING,
NUMBER_FROM TYPE STRING,
UNIT_FROM TYPE STRING,
POINT_FROM TYPE STRING,
NUMBER_TO TYPE STRING,
UNIT_TO TYPE STRING,
POINT_TO TYPE STRING,
REFERENCE TYPE STRING,
TIMELIMIT_R TYPE STRING,
TIMELIMITT_R TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PIQCAVIEWTIMELIMIT_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_PIQCAVIEWTIMELIMIT_STR-TIMELIMITUP sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-TIMELIMITUPT sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-TIMELIMIT sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-TIMELIMITT sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-PERYR sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-PERYT sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-PERID sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-PERIT sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-BEGDA sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-BEGTIME sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-ENDDA sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-ENDTIME sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-NUMBER_FROM sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-UNIT_FROM sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-POINT_FROM sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-NUMBER_TO sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-UNIT_TO sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-POINT_TO sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-REFERENCE sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-TIMELIMIT_R sy-vline 
WA_PIQCAVIEWTIMELIMIT_STR-TIMELIMITT_R sy-vline      INTO ld_text SEPARATED BY SPACE.

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