ABAP Select data from SAP table PS3214_GLOB into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PS3214_GLOB 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 PS3214_GLOB. 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 PS3214_GLOB 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_PS3214_GLOB TYPE STANDARD TABLE OF PS3214_GLOB,
      WA_PS3214_GLOB TYPE PS3214_GLOB,
      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: <PS3214_GLOB> TYPE PS3214_GLOB.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PS3214_GLOB.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PS3214_GLOB
  INTO TABLE IT_PS3214_GLOB.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PS3214_GLOB
*  INTO TABLE @DATA(IT_PS3214_GLOB2).
*--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_PS3214_GLOB INDEX 1 INTO DATA(WA_PS3214_GLOB2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PS3214_GLOB ASSIGNING <PS3214_GLOB>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PS3214_GLOB>-SCHKZ = 1.
<PS3214_GLOB>-WERKS = 1.
<PS3214_GLOB>-BTRTL = 1.
<PS3214_GLOB>-PERSG = 1.
<PS3214_GLOB>-PERSK = 1.

ENDLOOP.

LOOP AT IT_PS3214_GLOB INTO WA_PS3214_GLOB.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PS3214_GLOB-ORGEH, sy-vline,
  WA_PS3214_GLOB-PLANS, sy-vline,
  WA_PS3214_GLOB-STELL, sy-vline,
  WA_PS3214_GLOB-TRFAR, sy-vline,
  WA_PS3214_GLOB-TRFGB, sy-vline,
  WA_PS3214_GLOB-TRFGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PS3214_GLOB 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_PS3214_GLOB 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_PS3214_GLOB INTO WA_PS3214_GLOB.


*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_PS3214_GLOB_STR, 
SCHKZ TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
ORGEH TYPE STRING,
PLANS TYPE STRING,
STELL TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
BSGRD TYPE STRING,
COSCA TYPE STRING,
DASCA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PS3214_GLOB_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_PS3214_GLOB_STR-SCHKZ sy-vline 
WA_PS3214_GLOB_STR-WERKS sy-vline 
WA_PS3214_GLOB_STR-BTRTL sy-vline 
WA_PS3214_GLOB_STR-PERSG sy-vline 
WA_PS3214_GLOB_STR-PERSK sy-vline 
WA_PS3214_GLOB_STR-ORGEH sy-vline 
WA_PS3214_GLOB_STR-PLANS sy-vline 
WA_PS3214_GLOB_STR-STELL sy-vline 
WA_PS3214_GLOB_STR-TRFAR sy-vline 
WA_PS3214_GLOB_STR-TRFGB sy-vline 
WA_PS3214_GLOB_STR-TRFGR sy-vline 
WA_PS3214_GLOB_STR-TRFST sy-vline 
WA_PS3214_GLOB_STR-BSGRD sy-vline 
WA_PS3214_GLOB_STR-COSCA sy-vline 
WA_PS3214_GLOB_STR-DASCA sy-vline      INTO ld_text SEPARATED BY SPACE.

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