ABAP Select data from SAP table BICS_PROV_HIERARCHY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BICS_PROV_HIERARCHY
*  INTO TABLE @DATA(IT_BICS_PROV_HIERARCHY2).
*--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_BICS_PROV_HIERARCHY INDEX 1 INTO DATA(WA_BICS_PROV_HIERARCHY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BICS_PROV_HIERARCHY>-CHAR_ID = 1.
<BICS_PROV_HIERARCHY>-CATALOG_ENTRY = 1.
<BICS_PROV_HIERARCHY>-NAME = 1.
<BICS_PROV_HIERARCHY>-TEXT = 1.
<BICS_PROV_HIERARCHY>-VERSION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BICS_PROV_HIERARCHY-DATE_FROM, sy-vline,
  WA_BICS_PROV_HIERARCHY-DATE_TO, sy-vline,
  WA_BICS_PROV_HIERARCHY-SUPPORTS_NONE_UNIQUE_LEAVES, sy-vline,
  WA_BICS_PROV_HIERARCHY-DEFAULT_DRILL_LEVEL, sy-vline,
  WA_BICS_PROV_HIERARCHY-DEFAULT_ALEAFNODSP, sy-vline,
  WA_BICS_PROV_HIERARCHY-DEFAULT_NODE_ALIGNMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BICS_PROV_HIERARCHY 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_BICS_PROV_HIERARCHY 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_BICS_PROV_HIERARCHY INTO WA_BICS_PROV_HIERARCHY.


*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_BICS_PROV_HIERARCHY_STR, 
CHAR_ID TYPE STRING,
CATALOG_ENTRY TYPE STRING,
NAME TYPE STRING,
TEXT TYPE STRING,
VERSION TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
SUPPORTS_NONE_UNIQUE_LEAVES TYPE STRING,
DEFAULT_DRILL_LEVEL TYPE STRING,
DEFAULT_ALEAFNODSP TYPE STRING,
DEFAULT_NODE_ALIGNMENT TYPE STRING,
ALEAFNODCH TYPE STRING,
SUPPORTS_AD_HOC_MEMBER_ACCESS TYPE STRING,
LINKEXIST TYPE STRING,
IS_ADHOC_HIERARCHY TYPE STRING,
HIEID TYPE STRING,
HIESID TYPE STRING,
META TYPE STRING,
ID TYPE STRING,
SVER TYPE STRING,
NAME TYPE STRING,
TEXT TYPE STRING,
VERSION TYPE STRING,
DUEDATE TYPE STRING,
HIEID TYPE STRING,
START_DRILL_LEVEL TYPE STRING,
RESTTOPSID TYPE STRING,
ROOT_SID TYPE STRING,
NOREST_NODES TYPE STRING,
NOREST_FILTERSID TYPE STRING,
MAX_LEVEL TYPE STRING,
NODE_ALIGNMENT TYPE STRING,
NODE_VISIBILITY TYPE STRING,
ALEAFNODSP TYPE STRING,
ALEAFNODCH TYPE STRING,
LEVEL_TEXT TYPE STRING,
NODE_TYPES TYPE STRING,
MIN_LEVEL TYPE STRING,
LINKEXIST TYPE STRING,
STATE TYPE STRING,
ID TYPE STRING,
ACTIVE TYPE STRING,
START_DRILL_LEVEL TYPE STRING,
NODE_ALIGNMENT TYPE STRING,
NODE_VISIBILITY TYPE STRING,
MEMBER_ACCESS_MODE TYPE STRING,
MEMBER_ACCESS_MODES TYPE STRING,
ALEAFNODSP TYPE STRING,
RESULT_SET_SORTING TYPE STRING,
TYPE TYPE STRING,
DIRECTION TYPE STRING,
ATTRIBUTE_ID TYPE STRING,
DATA_CELL_ID TYPE STRING,
PREDEFINED_MEMBERS_ORDER TYPE STRING,
PREDEFINED_MEMBERS_BOTTOM TYPE STRING,
MEMBER_ACCESS_SORTING TYPE STRING,
TYPE TYPE STRING,
DIRECTION TYPE STRING,
ATTRIBUTE_ID TYPE STRING,
DATA_CELL_ID TYPE STRING,
PREDEFINED_MEMBERS_ORDER TYPE STRING,
PREDEFINED_MEMBERS_BOTTOM TYPE STRING,
NODE_TYPES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BICS_PROV_HIERARCHY_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_BICS_PROV_HIERARCHY_STR-CHAR_ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-CATALOG_ENTRY sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NAME sy-vline 
WA_BICS_PROV_HIERARCHY_STR-TEXT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-VERSION sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DATE_FROM sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DATE_TO sy-vline 
WA_BICS_PROV_HIERARCHY_STR-SUPPORTS_NONE_UNIQUE_LEAVES sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DEFAULT_DRILL_LEVEL sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DEFAULT_ALEAFNODSP sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DEFAULT_NODE_ALIGNMENT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ALEAFNODCH sy-vline 
WA_BICS_PROV_HIERARCHY_STR-SUPPORTS_AD_HOC_MEMBER_ACCESS sy-vline 
WA_BICS_PROV_HIERARCHY_STR-LINKEXIST sy-vline 
WA_BICS_PROV_HIERARCHY_STR-IS_ADHOC_HIERARCHY sy-vline 
WA_BICS_PROV_HIERARCHY_STR-HIEID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-HIESID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-META sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-SVER sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NAME sy-vline 
WA_BICS_PROV_HIERARCHY_STR-TEXT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-VERSION sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DUEDATE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-HIEID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-START_DRILL_LEVEL sy-vline 
WA_BICS_PROV_HIERARCHY_STR-RESTTOPSID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ROOT_SID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NOREST_NODES sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NOREST_FILTERSID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-MAX_LEVEL sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_ALIGNMENT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_VISIBILITY sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ALEAFNODSP sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ALEAFNODCH sy-vline 
WA_BICS_PROV_HIERARCHY_STR-LEVEL_TEXT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_TYPES sy-vline 
WA_BICS_PROV_HIERARCHY_STR-MIN_LEVEL sy-vline 
WA_BICS_PROV_HIERARCHY_STR-LINKEXIST sy-vline 
WA_BICS_PROV_HIERARCHY_STR-STATE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ACTIVE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-START_DRILL_LEVEL sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_ALIGNMENT sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_VISIBILITY sy-vline 
WA_BICS_PROV_HIERARCHY_STR-MEMBER_ACCESS_MODE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-MEMBER_ACCESS_MODES sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ALEAFNODSP sy-vline 
WA_BICS_PROV_HIERARCHY_STR-RESULT_SET_SORTING sy-vline 
WA_BICS_PROV_HIERARCHY_STR-TYPE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DIRECTION sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ATTRIBUTE_ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DATA_CELL_ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-PREDEFINED_MEMBERS_ORDER sy-vline 
WA_BICS_PROV_HIERARCHY_STR-PREDEFINED_MEMBERS_BOTTOM sy-vline 
WA_BICS_PROV_HIERARCHY_STR-MEMBER_ACCESS_SORTING sy-vline 
WA_BICS_PROV_HIERARCHY_STR-TYPE sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DIRECTION sy-vline 
WA_BICS_PROV_HIERARCHY_STR-ATTRIBUTE_ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-DATA_CELL_ID sy-vline 
WA_BICS_PROV_HIERARCHY_STR-PREDEFINED_MEMBERS_ORDER sy-vline 
WA_BICS_PROV_HIERARCHY_STR-PREDEFINED_MEMBERS_BOTTOM sy-vline 
WA_BICS_PROV_HIERARCHY_STR-NODE_TYPES sy-vline      INTO ld_text SEPARATED BY SPACE.

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