ABAP Select data from SAP table TPDA_BP_CR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TPDA_BP_CR
*  INTO TABLE @DATA(IT_TPDA_BP_CR2).
*--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_TPDA_BP_CR INDEX 1 INTO DATA(WA_TPDA_BP_CR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TPDA_BP_CR>-PROGRAM = 1.
<TPDA_BP_CR>-CLASS = 1.
<TPDA_BP_CR>-FORM = 1.
<TPDA_BP_CR>-METHOD = 1.
<TPDA_BP_CR>-FUNCTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TPDA_BP_CR-PROGRAM_SRC, sy-vline,
  WA_TPDA_BP_CR-INCLUDE, sy-vline,
  WA_TPDA_BP_CR-DYNNR, sy-vline,
  WA_TPDA_BP_CR-LINE, sy-vline,
  WA_TPDA_BP_CR-METH_IN_CLASS, sy-vline,
  WA_TPDA_BP_CR-GLOB_CLASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TPDA_BP_CR 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_TPDA_BP_CR 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_TPDA_BP_CR INTO WA_TPDA_BP_CR.


*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_TPDA_BP_CR_STR, 
PROGRAM TYPE STRING,
CLASS TYPE STRING,
FORM TYPE STRING,
METHOD TYPE STRING,
FUNCTION TYPE STRING,
PROGRAM_SRC TYPE STRING,
INCLUDE TYPE STRING,
DYNNR TYPE STRING,
LINE TYPE STRING,
METH_IN_CLASS TYPE STRING,
GLOB_CLASS TYPE STRING,
LOC_CL_IN_PRG TYPE STRING,
LOC_CL_IN_CL TYPE STRING,
CLASSFLOCCLASS TYPE STRING,
PROGFLOCCLASS TYPE STRING,
EXCEPTION TYPE STRING,
SYS_EXC TYPE STRING,
STATEMENT TYPE STRING,
STACKCHANGE TYPE STRING,
TEMPLATE TYPE STRING,
INEXACT TYPE STRING,
XSLT_PROGRAM TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
CONDITION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TPDA_BP_CR_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_TPDA_BP_CR_STR-PROGRAM sy-vline 
WA_TPDA_BP_CR_STR-CLASS sy-vline 
WA_TPDA_BP_CR_STR-FORM sy-vline 
WA_TPDA_BP_CR_STR-METHOD sy-vline 
WA_TPDA_BP_CR_STR-FUNCTION sy-vline 
WA_TPDA_BP_CR_STR-PROGRAM_SRC sy-vline 
WA_TPDA_BP_CR_STR-INCLUDE sy-vline 
WA_TPDA_BP_CR_STR-DYNNR sy-vline 
WA_TPDA_BP_CR_STR-LINE sy-vline 
WA_TPDA_BP_CR_STR-METH_IN_CLASS sy-vline 
WA_TPDA_BP_CR_STR-GLOB_CLASS sy-vline 
WA_TPDA_BP_CR_STR-LOC_CL_IN_PRG sy-vline 
WA_TPDA_BP_CR_STR-LOC_CL_IN_CL sy-vline 
WA_TPDA_BP_CR_STR-CLASSFLOCCLASS sy-vline 
WA_TPDA_BP_CR_STR-PROGFLOCCLASS sy-vline 
WA_TPDA_BP_CR_STR-EXCEPTION sy-vline 
WA_TPDA_BP_CR_STR-SYS_EXC sy-vline 
WA_TPDA_BP_CR_STR-STATEMENT sy-vline 
WA_TPDA_BP_CR_STR-STACKCHANGE sy-vline 
WA_TPDA_BP_CR_STR-TEMPLATE sy-vline 
WA_TPDA_BP_CR_STR-INEXACT sy-vline 
WA_TPDA_BP_CR_STR-XSLT_PROGRAM sy-vline 
WA_TPDA_BP_CR_STR-MSGID sy-vline 
WA_TPDA_BP_CR_STR-MSGTY sy-vline 
WA_TPDA_BP_CR_STR-MSGNO sy-vline 
WA_TPDA_BP_CR_STR-CONDITION sy-vline      INTO ld_text SEPARATED BY SPACE.

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