ABAP Select data from SAP table PBSI_TOOLS_COMMON_PARAMETER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBSI_TOOLS_COMMON_PARAMETER
*  INTO TABLE @DATA(IT_PBSI_TOOLS_COMMON_PARAMETER2).
*--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_PBSI_TOOLS_COMMON_PARAMETER INDEX 1 INTO DATA(WA_PBSI_TOOLS_COMMON_PARAMETER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBSI_TOOLS_COMMON_PARAMETER>-DATASET = 1.
<PBSI_TOOLS_COMMON_PARAMETER>-ERRORSTRING = 1.
<PBSI_TOOLS_COMMON_PARAMETER>-RETCODE = 1.
<PBSI_TOOLS_COMMON_PARAMETER>-COMPANYCODE = 1.
<PBSI_TOOLS_COMMON_PARAMETER>-GROUPCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBSI_TOOLS_COMMON_PARAMETER-AUTHORITYCODE, sy-vline,
  WA_PBSI_TOOLS_COMMON_PARAMETER-TAXCODE, sy-vline,
  WA_PBSI_TOOLS_COMMON_PARAMETER-TAXTYPE, sy-vline,
  WA_PBSI_TOOLS_COMMON_PARAMETER-PAYCODE, sy-vline,
  WA_PBSI_TOOLS_COMMON_PARAMETER-PAYTYPE, sy-vline,
  WA_PBSI_TOOLS_COMMON_PARAMETER-STARTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PBSI_TOOLS_COMMON_PARAMETER 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_PBSI_TOOLS_COMMON_PARAMETER 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_PBSI_TOOLS_COMMON_PARAMETER INTO WA_PBSI_TOOLS_COMMON_PARAMETER.


*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_PBSI_TOOLS_COMMON_PARAMETER_STR, 
DATASET TYPE STRING,
ERRORSTRING TYPE STRING,
RETCODE TYPE STRING,
COMPANYCODE TYPE STRING,
GROUPCODE TYPE STRING,
AUTHORITYCODE TYPE STRING,
TAXCODE TYPE STRING,
TAXTYPE TYPE STRING,
PAYCODE TYPE STRING,
PAYTYPE TYPE STRING,
STARTDATE TYPE STRING,
EFFECTIVEDATE TYPE STRING,
EXEMPTIONSTATUS TYPE STRING,
CODETYPE TYPE STRING,
CUSTOMNAME TYPE STRING,
PREFERRED TYPE STRING,
CHECKDATE TYPE STRING,
FORMULANUMBER TYPE STRING,
RISKCLASS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBSI_TOOLS_COMMON_PARAMETER_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_PBSI_TOOLS_COMMON_PARAMETER_STR-DATASET sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-ERRORSTRING sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-RETCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-COMPANYCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-GROUPCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-AUTHORITYCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-TAXCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-TAXTYPE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-PAYCODE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-PAYTYPE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-STARTDATE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-EFFECTIVEDATE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-EXEMPTIONSTATUS sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-CODETYPE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-CUSTOMNAME sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-PREFERRED sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-CHECKDATE sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-FORMULANUMBER sy-vline 
WA_PBSI_TOOLS_COMMON_PARAMETER_STR-RISKCLASS sy-vline      INTO ld_text SEPARATED BY SPACE.

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