ABAP Select data from SAP table PSM_FMFG_UJ_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSM_FMFG_UJ_EXT
*  INTO TABLE @DATA(IT_PSM_FMFG_UJ_EXT2).
*--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_PSM_FMFG_UJ_EXT INDEX 1 INTO DATA(WA_PSM_FMFG_UJ_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSM_FMFG_UJ_EXT>-FMFG_FMCMMTSTR = 1.
<PSM_FMFG_UJ_EXT>-FMFG_BLSTATUS = 1.
<PSM_FMFG_UJ_EXT>-FMFG_OBJ_CL = 1.
<PSM_FMFG_UJ_EXT>-FMFG_SGL_ACCOUNT = 1.
<PSM_FMFG_UJ_EXT>-FMFG_RAGNCY_LCTN_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSM_FMFG_UJ_EXT-FMFG_RFINUSE, sy-vline,
  WA_PSM_FMFG_UJ_EXT-FMFG_FUND_TYPE, sy-vline,
  WA_PSM_FMFG_UJ_EXT-FMFG_PMT_OFFICE, sy-vline,
  WA_PSM_FMFG_UJ_EXT-FMFG_AGENCID, sy-vline,
  WA_PSM_FMFG_UJ_EXT-FMFG_FUND_ACC_SYMBL, sy-vline,
  WA_PSM_FMFG_UJ_EXT-FMFG_SUB_ACCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSM_FMFG_UJ_EXT 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_PSM_FMFG_UJ_EXT 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_PSM_FMFG_UJ_EXT INTO WA_PSM_FMFG_UJ_EXT.


*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.

*Conversion exit FMCIL, internal->external for field FMFG_OBJ_CL
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_PSM_FMFG_UJ_EXT-FMFG_OBJ_CL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_FMFG_UJ_EXT-FMFG_OBJ_CL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FMFG_BEGPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSM_FMFG_UJ_EXT-FMFG_BEGPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_FMFG_UJ_EXT-FMFG_BEGPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FMFG_ENDPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSM_FMFG_UJ_EXT-FMFG_ENDPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_FMFG_UJ_EXT-FMFG_ENDPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FMFG_TP_BEGPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSM_FMFG_UJ_EXT-FMFG_TP_BEGPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_FMFG_UJ_EXT-FMFG_TP_BEGPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FMFG_TP_ENDPER
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PSM_FMFG_UJ_EXT-FMFG_TP_ENDPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSM_FMFG_UJ_EXT-FMFG_TP_ENDPER.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PSM_FMFG_UJ_EXT_STR, 
FMFG_FMCMMTSTR TYPE STRING,
FMFG_BLSTATUS TYPE STRING,
FMFG_OBJ_CL TYPE STRING,
FMFG_SGL_ACCOUNT TYPE STRING,
FMFG_RAGNCY_LCTN_CODE TYPE STRING,
FMFG_RFINUSE TYPE STRING,
FMFG_FUND_TYPE TYPE STRING,
FMFG_PMT_OFFICE TYPE STRING,
FMFG_AGENCID TYPE STRING,
FMFG_FUND_ACC_SYMBL TYPE STRING,
FMFG_SUB_ACCT TYPE STRING,
FMFG_BEGPER TYPE STRING,
FMFG_ENDPER TYPE STRING,
FMFG_AVTYPE TYPE STRING,
FMFG_BETC TYPE STRING,
FMFG_SUBLEVL TYPE STRING,
FMFG_FLG_AUTHOR TYPE STRING,
FMFG_FLG_APPORT TYPE STRING,
FMFG_APPOR_CATB_DTL TYPE STRING,
FMFG_YEAR_BDGT_AUTH TYPE STRING,
FMFG_FLG_AVAIL TYPE STRING,
FMFG_FLG_PYA TYPE STRING,
FMFG_FLG_BEA TYPE STRING,
FMFG_RDCTN_TYPE TYPE STRING,
FMFG_FLG_BORROW TYPE STRING,
FMFG_COHORT TYPE STRING,
FMFG_ALTRAID TYPE STRING,
FMFG_FLG_REIMBUR TYPE STRING,
FMFG_BDGT_IMPACT TYPE STRING,
FMFG_DISASTER_EMER_FUND TYPE STRING,
FMFG_PROG_REPT_CAT TYPE STRING,
FMFG_FLG_CUSTODIAL TYPE STRING,
FMFG_FLG_EXCHANGE TYPE STRING,
FMFG_FLG_FEDERAL TYPE STRING,
FMFG_TP_AGENCID TYPE STRING,
FMFG_TP_MAIN_ACCT TYPE STRING,
FMFG_TP_SUB_ACCT TYPE STRING,
FMFG_TP_BEGPER TYPE STRING,
FMFG_TP_ENDPER TYPE STRING,
FMFG_TP_ALTRAID TYPE STRING,
FMFG_TP_AVTYPE TYPE STRING,
FMFG_TP_BETC TYPE STRING,
FMFG_TP_SUBLEVL TYPE STRING,
FMFG_POST_SEQ_NBR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSM_FMFG_UJ_EXT_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_PSM_FMFG_UJ_EXT_STR-FMFG_FMCMMTSTR sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_BLSTATUS sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_OBJ_CL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_SGL_ACCOUNT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_RAGNCY_LCTN_CODE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_RFINUSE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FUND_TYPE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_PMT_OFFICE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_AGENCID sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FUND_ACC_SYMBL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_SUB_ACCT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_BEGPER sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_ENDPER sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_AVTYPE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_BETC sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_SUBLEVL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_AUTHOR sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_APPORT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_APPOR_CATB_DTL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_YEAR_BDGT_AUTH sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_AVAIL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_PYA sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_BEA sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_RDCTN_TYPE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_BORROW sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_COHORT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_ALTRAID sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_REIMBUR sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_BDGT_IMPACT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_DISASTER_EMER_FUND sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_PROG_REPT_CAT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_CUSTODIAL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_EXCHANGE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_FLG_FEDERAL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_AGENCID sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_MAIN_ACCT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_SUB_ACCT sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_BEGPER sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_ENDPER sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_ALTRAID sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_AVTYPE sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_BETC sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_TP_SUBLEVL sy-vline 
WA_PSM_FMFG_UJ_EXT_STR-FMFG_POST_SEQ_NBR sy-vline      INTO ld_text SEPARATED BY SPACE.

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