ABAP Select data from SAP table FINS_FI_UHS_CUST_CATG_SETTING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_FI_UHS_CUST_CATG_SETTING
*  INTO TABLE @DATA(IT_FINS_FI_UHS_CUST_CATG_SETTING2).
*--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_FINS_FI_UHS_CUST_CATG_SETTING INDEX 1 INTO DATA(WA_FINS_FI_UHS_CUST_CATG_SETTING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_FI_UHS_CUST_CATG_SETTING>-MANDT = 1.
<FINS_FI_UHS_CUST_CATG_SETTING>-BETY_NAME = 1.
<FINS_FI_UHS_CUST_CATG_SETTING>-SHLP_NAME = 1.
<FINS_FI_UHS_CUST_CATG_SETTING>-SHLP_EXP = 1.
<FINS_FI_UHS_CUST_CATG_SETTING>-SHLP_TXTEXP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_FI_UHS_CUST_CATG_SETTING-VIEW_NAME, sy-vline,
  WA_FINS_FI_UHS_CUST_CATG_SETTING-VIEW_ETY_FLD, sy-vline,
  WA_FINS_FI_UHS_CUST_CATG_SETTING-VIEW_ETY_TFLD, sy-vline,
  WA_FINS_FI_UHS_CUST_CATG_SETTING-VIEW_ETY_VLFFLD, sy-vline,
  WA_FINS_FI_UHS_CUST_CATG_SETTING-VIEW_ETY_VLTFLD, sy-vline,
  WA_FINS_FI_UHS_CUST_CATG_SETTING-TABLEFIELDNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_FI_UHS_CUST_CATG_SETTING 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_FINS_FI_UHS_CUST_CATG_SETTING 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_FINS_FI_UHS_CUST_CATG_SETTING INTO WA_FINS_FI_UHS_CUST_CATG_SETTING.


*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_FINS_FI_UHS_CUST_CATG_SETTING_STR, 
MANDT TYPE STRING,
BETY_NAME TYPE STRING,
SHLP_NAME TYPE STRING,
SHLP_EXP TYPE STRING,
SHLP_TXTEXP TYPE STRING,
VIEW_NAME TYPE STRING,
VIEW_ETY_FLD TYPE STRING,
VIEW_ETY_TFLD TYPE STRING,
VIEW_ETY_VLFFLD TYPE STRING,
VIEW_ETY_VLTFLD TYPE STRING,
TABLEFIELDNAME TYPE STRING,
TABNAME TYPE STRING,
SETCLASS TYPE STRING,
CATG_KEY TYPE STRING,
ALLOW_MIX TYPE STRING,
MIXED_ENTITIES TYPE STRING,
ALLOW_VER_OVERLAP TYPE STRING,
HRRP_HRYTYPE TYPE STRING,
HRRP_HRYNMSPACE TYPE STRING,
ALLOW_DUP_LEAF TYPE STRING,
ALLOW_DUP_NONLEAF TYPE STRING,
TIME_DEPENDENT_TYPE TYPE STRING,
TIME_OVERLAP_TYPE TYPE STRING,
CLASS_VAL_INHERITED TYPE STRING,
USE_VALUE_RANGE TYPE STRING,
ALLOW_LEGACY_TCODE_USAGE TYPE STRING,
ALLOW_LEAF_SEMTAG TYPE STRING,
ALLOW_NODE_SEMTAG TYPE STRING,
ATTRIBUTE TYPE STRING,
ATTRIBUTE_NAME TYPE STRING,
SOURCE TYPE STRING,
SOURCE_NAME TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
BETY_TEXT_TAB TYPE STRING,
CATG_TEXT_TAB TYPE STRING,
LEGACY_USAGE_BY_DEFAULT TYPE STRING,
ALLOW_LEGACY_USAGE_CHANGE TYPE STRING,
HRY_ID_MAX_LENGTH TYPE STRING,
REUSE_SRC_TAB TYPE STRING,
REUSE_SRC_TEXT_TAB TYPE STRING,
ALLOW_CHANGE_LOG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_FI_UHS_CUST_CATG_SETTING_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_FINS_FI_UHS_CUST_CATG_SETTING_STR-MANDT sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-BETY_NAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SHLP_NAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SHLP_EXP sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SHLP_TXTEXP sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-VIEW_NAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-VIEW_ETY_FLD sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-VIEW_ETY_TFLD sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-VIEW_ETY_VLFFLD sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-VIEW_ETY_VLTFLD sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-TABLEFIELDNAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-TABNAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SETCLASS sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-CATG_KEY sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_MIX sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-MIXED_ENTITIES sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_VER_OVERLAP sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-HRRP_HRYTYPE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-HRRP_HRYNMSPACE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_DUP_LEAF sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_DUP_NONLEAF sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-TIME_DEPENDENT_TYPE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-TIME_OVERLAP_TYPE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-CLASS_VAL_INHERITED sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-USE_VALUE_RANGE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_LEGACY_TCODE_USAGE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_LEAF_SEMTAG sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_NODE_SEMTAG sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ATTRIBUTE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ATTRIBUTE_NAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SOURCE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-SOURCE_NAME sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-CREATED_ON sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-CREATED_BY sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-BETY_TEXT_TAB sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-CATG_TEXT_TAB sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-LEGACY_USAGE_BY_DEFAULT sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_LEGACY_USAGE_CHANGE sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-HRY_ID_MAX_LENGTH sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-REUSE_SRC_TAB sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-REUSE_SRC_TEXT_TAB sy-vline 
WA_FINS_FI_UHS_CUST_CATG_SETTING_STR-ALLOW_CHANGE_LOG sy-vline      INTO ld_text SEPARATED BY SPACE.

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