ABAP Select data from SAP table /PM0/3FABOENTITY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/3FABOENTITY 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 /PM0/3FABOENTITY. 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 /PM0/3FABOENTITY 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_/PM0/3FABOENTITY TYPE STANDARD TABLE OF /PM0/3FABOENTITY,
      WA_/PM0/3FABOENTITY TYPE /PM0/3FABOENTITY,
      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: </PM0/3FABOENTITY> TYPE /PM0/3FABOENTITY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/3FABOENTITY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/3FABOENTITY
  INTO TABLE IT_/PM0/3FABOENTITY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/3FABOENTITY
*  INTO TABLE @DATA(IT_/PM0/3FABOENTITY2).
*--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_/PM0/3FABOENTITY INDEX 1 INTO DATA(WA_/PM0/3FABOENTITY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/3FABOENTITY ASSIGNING </PM0/3FABOENTITY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/3FABOENTITY>-ONLY_CHSTR = 1.
</PM0/3FABOENTITY>-REFRESH_MODE = 1.
</PM0/3FABOENTITY>-TEMPLATE_CLS = 1.
</PM0/3FABOENTITY>-TARGET_CLS = 1.
</PM0/3FABOENTITY>-DEVCLASS = 1.

ENDLOOP.

LOOP AT IT_/PM0/3FABOENTITY INTO WA_/PM0/3FABOENTITY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/3FABOENTITY-EXECUTE_CLS, sy-vline,
  WA_/PM0/3FABOENTITY-B_TEMPLATE_CLS, sy-vline,
  WA_/PM0/3FABOENTITY-B_TARGET_CLS, sy-vline,
  WA_/PM0/3FABOENTITY-B_DEVCLASS, sy-vline,
  WA_/PM0/3FABOENTITY-B_EXECUTE_CLS, sy-vline,
  WA_/PM0/3FABOENTITY-USER_INCLUDE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/3FABOENTITY 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_/PM0/3FABOENTITY 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_/PM0/3FABOENTITY INTO WA_/PM0/3FABOENTITY.


*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_/PM0/3FABOENTITY_STR, 
ONLY_CHSTR TYPE STRING,
REFRESH_MODE TYPE STRING,
TEMPLATE_CLS TYPE STRING,
TARGET_CLS TYPE STRING,
DEVCLASS TYPE STRING,
EXECUTE_CLS TYPE STRING,
B_TEMPLATE_CLS TYPE STRING,
B_TARGET_CLS TYPE STRING,
B_DEVCLASS TYPE STRING,
B_EXECUTE_CLS TYPE STRING,
USER_INCLUDE TYPE STRING,
B2_TEMPLATE_CLS TYPE STRING,
B2_TARGET_CLS TYPE STRING,
B2_DEVCLASS TYPE STRING,
B2_EXECUTE_CLS TYPE STRING,
B3_TEMPLATE_CLS TYPE STRING,
B3_TARGET_CLS TYPE STRING,
B3_DEVCLASS TYPE STRING,
B3_EXECUTE_CLS TYPE STRING,
PM_RELEVANT TYPE STRING,
CH_MODEL_ID TYPE STRING,
B_CH_MODEL_ID TYPE STRING,
RM_CLASSNAME TYPE STRING,
OWNER TYPE STRING,
DEFAULT_FLDGRP TYPE STRING,
DEFAULT_FLDMOD TYPE STRING,
ENTITY_TYPE TYPE STRING,
B2_CH_MODEL_ID TYPE STRING,
B3_CH_MODEL_ID TYPE STRING,
IBC_RELEVANT TYPE STRING,
RM_CLASSNAME_EN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/3FABOENTITY_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_/PM0/3FABOENTITY_STR-ONLY_CHSTR sy-vline 
WA_/PM0/3FABOENTITY_STR-REFRESH_MODE sy-vline 
WA_/PM0/3FABOENTITY_STR-TEMPLATE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-TARGET_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-DEVCLASS sy-vline 
WA_/PM0/3FABOENTITY_STR-EXECUTE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B_TEMPLATE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B_TARGET_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B_DEVCLASS sy-vline 
WA_/PM0/3FABOENTITY_STR-B_EXECUTE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-USER_INCLUDE sy-vline 
WA_/PM0/3FABOENTITY_STR-B2_TEMPLATE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B2_TARGET_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B2_DEVCLASS sy-vline 
WA_/PM0/3FABOENTITY_STR-B2_EXECUTE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B3_TEMPLATE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B3_TARGET_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-B3_DEVCLASS sy-vline 
WA_/PM0/3FABOENTITY_STR-B3_EXECUTE_CLS sy-vline 
WA_/PM0/3FABOENTITY_STR-PM_RELEVANT sy-vline 
WA_/PM0/3FABOENTITY_STR-CH_MODEL_ID sy-vline 
WA_/PM0/3FABOENTITY_STR-B_CH_MODEL_ID sy-vline 
WA_/PM0/3FABOENTITY_STR-RM_CLASSNAME sy-vline 
WA_/PM0/3FABOENTITY_STR-OWNER sy-vline 
WA_/PM0/3FABOENTITY_STR-DEFAULT_FLDGRP sy-vline 
WA_/PM0/3FABOENTITY_STR-DEFAULT_FLDMOD sy-vline 
WA_/PM0/3FABOENTITY_STR-ENTITY_TYPE sy-vline 
WA_/PM0/3FABOENTITY_STR-B2_CH_MODEL_ID sy-vline 
WA_/PM0/3FABOENTITY_STR-B3_CH_MODEL_ID sy-vline 
WA_/PM0/3FABOENTITY_STR-IBC_RELEVANT sy-vline 
WA_/PM0/3FABOENTITY_STR-RM_CLASSNAME_EN sy-vline      INTO ld_text SEPARATED BY SPACE.

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