ABAP Select data from SAP table P12SB00_DAQ_T_DECL_FRAME1_2013 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P12SB00_DAQ_T_DECL_FRAME1_2013 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 P12SB00_DAQ_T_DECL_FRAME1_2013. 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 P12SB00_DAQ_T_DECL_FRAME1_2013 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_P12SB00_DAQ_T_DECL_FRAME1_2013 TYPE STANDARD TABLE OF P12SB00_DAQ_T_DECL_FRAME1_2013,
      WA_P12SB00_DAQ_T_DECL_FRAME1_2013 TYPE P12SB00_DAQ_T_DECL_FRAME1_2013,
      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: <P12SB00_DAQ_T_DECL_FRAME1_2013> TYPE P12SB00_DAQ_T_DECL_FRAME1_2013.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P12SB00_DAQ_T_DECL_FRAME1_2013.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P12SB00_DAQ_T_DECL_FRAME1_2013
  INTO TABLE IT_P12SB00_DAQ_T_DECL_FRAME1_2013.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P12SB00_DAQ_T_DECL_FRAME1_2013
*  INTO TABLE @DATA(IT_P12SB00_DAQ_T_DECL_FRAME1_20132).
*--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_P12SB00_DAQ_T_DECL_FRAME1_2013 INDEX 1 INTO DATA(WA_P12SB00_DAQ_T_DECL_FRAME1_20132).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P12SB00_DAQ_T_DECL_FRAME1_2013 ASSIGNING <P12SB00_DAQ_T_DECL_FRAME1_2013>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P12SB00_DAQ_T_DECL_FRAME1_2013>-SECTN = 1.
<P12SB00_DAQ_T_DECL_FRAME1_2013>-1001A = 1.
<P12SB00_DAQ_T_DECL_FRAME1_2013>-1001B = 1.
<P12SB00_DAQ_T_DECL_FRAME1_2013>-1001C = 1.
<P12SB00_DAQ_T_DECL_FRAME1_2013>-1002A = 1.

ENDLOOP.

LOOP AT IT_P12SB00_DAQ_T_DECL_FRAME1_2013 INTO WA_P12SB00_DAQ_T_DECL_FRAME1_2013.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1002B, sy-vline,
  WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1002C, sy-vline,
  WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1003A, sy-vline,
  WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1003B, sy-vline,
  WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1003C, sy-vline,
  WA_P12SB00_DAQ_T_DECL_FRAME1_2013-1011A, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P12SB00_DAQ_T_DECL_FRAME1_2013 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_P12SB00_DAQ_T_DECL_FRAME1_2013 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_P12SB00_DAQ_T_DECL_FRAME1_2013 INTO WA_P12SB00_DAQ_T_DECL_FRAME1_2013.


*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_P12SB00_DAQ_T_DECL_FRAME1_2013_STR, 
SECTN TYPE STRING,
1001A TYPE STRING,
1001B TYPE STRING,
1001C TYPE STRING,
1002A TYPE STRING,
1002B TYPE STRING,
1002C TYPE STRING,
1003A TYPE STRING,
1003B TYPE STRING,
1003C TYPE STRING,
1011A TYPE STRING,
1011B TYPE STRING,
1011C TYPE STRING,
1012A TYPE STRING,
1012B TYPE STRING,
1012C TYPE STRING,
1013A TYPE STRING,
1013B TYPE STRING,
1013C TYPE STRING,
1021A TYPE STRING,
1021B TYPE STRING,
1021C TYPE STRING,
1022A TYPE STRING,
1022B TYPE STRING,
1022C TYPE STRING,
1023A TYPE STRING,
1023B TYPE STRING,
1023C TYPE STRING,
1033A TYPE STRING,
1033B TYPE STRING,
1033C TYPE STRING,
P003A TYPE STRING,
P003B TYPE STRING,
P003C TYPE STRING,
P013A TYPE STRING,
P013B TYPE STRING,
P013C TYPE STRING,
P023A TYPE STRING,
P023B TYPE STRING,
P023C TYPE STRING,
P033A TYPE STRING,
P033B TYPE STRING,
P033C TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P12SB00_DAQ_T_DECL_FRAME1_2013_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_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-SECTN sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1001A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1001B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1001C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1002A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1002B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1002C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1003A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1003B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1003C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1011A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1011B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1011C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1012A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1012B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1012C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1013A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1013B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1013C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1021A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1021B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1021C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1022A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1022B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1022C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1023A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1023B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1023C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1033A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1033B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-1033C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P003A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P003B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P003C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P013A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P013B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P013C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P023A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P023B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P023C sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P033A sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P033B sy-vline 
WA_P12SB00_DAQ_T_DECL_FRAME1_2013_STR-P033C sy-vline      INTO ld_text SEPARATED BY SPACE.

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