ABAP Select data from SAP table /PF1/DB_SLA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PF1/DB_SLA 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 /PF1/DB_SLA. 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 /PF1/DB_SLA 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_/PF1/DB_SLA TYPE STANDARD TABLE OF /PF1/DB_SLA,
      WA_/PF1/DB_SLA TYPE /PF1/DB_SLA,
      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: </PF1/DB_SLA> TYPE /PF1/DB_SLA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PF1/DB_SLA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PF1/DB_SLA
  INTO TABLE IT_/PF1/DB_SLA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PF1/DB_SLA
*  INTO TABLE @DATA(IT_/PF1/DB_SLA2).
*--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_/PF1/DB_SLA INDEX 1 INTO DATA(WA_/PF1/DB_SLA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PF1/DB_SLA ASSIGNING </PF1/DB_SLA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PF1/DB_SLA>-CLIENT = 1.
</PF1/DB_SLA>-GUID = 1.
</PF1/DB_SLA>-CLEARING_AREA = 1.
</PF1/DB_SLA>-SLA_ID = 1.
</PF1/DB_SLA>-SLA_DATE = 1.

ENDLOOP.

LOOP AT IT_/PF1/DB_SLA INTO WA_/PF1/DB_SLA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PF1/DB_SLA-RELEASE_STATUS, sy-vline,
  WA_/PF1/DB_SLA-SLA_TYPE, sy-vline,
  WA_/PF1/DB_SLA-SEGMENT_ID, sy-vline,
  WA_/PF1/DB_SLA-CUSTOMER_ID, sy-vline,
  WA_/PF1/DB_SLA-GROUP_ID, sy-vline,
  WA_/PF1/DB_SLA-CORRESP_FLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PF1/DB_SLA 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_/PF1/DB_SLA 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_/PF1/DB_SLA INTO WA_/PF1/DB_SLA.


*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_/PF1/DB_SLA_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
CLEARING_AREA TYPE STRING,
SLA_ID TYPE STRING,
SLA_DATE TYPE STRING,
RELEASE_STATUS TYPE STRING,
SLA_TYPE TYPE STRING,
SEGMENT_ID TYPE STRING,
CUSTOMER_ID TYPE STRING,
GROUP_ID TYPE STRING,
CORRESP_FLG TYPE STRING,
FLG_LOCK TYPE STRING,
RULESET_ID TYPE STRING,
SLA_DESCR TYPE STRING,
FLG_DUP_PROC TYPE STRING,
DUP_PROC_DAYS TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
SLA_STATUS TYPE STRING,
DUP_PROC_CAL TYPE STRING,
TEMPLATE_ID TYPE STRING,
LOCK_REASON TYPE STRING,
LCK_VLD_FRM TYPE STRING,
LCK_VLD_TO TYPE STRING,
POST_COMPLETE TYPE STRING,
CHARGES_FUNC TYPE STRING,
CORRESPOND_FUNC TYPE STRING,
TTYPE_FUNC TYPE STRING,
EV_FUNC TYPE STRING,
S1_FX_ACCOUNT TYPE STRING,
S2_FX_RATE TYPE STRING,
S3_FX_RCV_CTRY TYPE STRING,
S4_INSTRUCTION_KEY TYPE STRING,
S5_CORRESPONDENCE TYPE STRING,
S6_CHARGE_ACCOUNT TYPE STRING,
S7_CHARGE_BEARER TYPE STRING,
S8_CHARGE_PROCESS TYPE STRING,
S9_FX_PREDEF_RATE TYPE STRING,
S10_STATUS_NOTIFICATION TYPE STRING,
S11_ITEM_ERRORS TYPE STRING,
S12_TRANSACTION_TYPE TYPE STRING,
S13_ORP_SPLIT TYPE STRING,
S14_CUT_OFF_TIME_ADJ TYPE STRING,
S15_SUBMISSION_AGR TYPE STRING,
S16_CUT_OFF_TIME_VALID TYPE STRING,
S17_CTRY_RESTRICTIONS TYPE STRING,
EXTREF_GUID TYPE STRING,
CRUSR TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHUSR TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
RLUSR TYPE STRING,
RLDAT TYPE STRING,
RLTIM TYPE STRING,
ARCHIVE_STATUS TYPE STRING,
ARCHIVE_FLUD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PF1/DB_SLA_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_/PF1/DB_SLA_STR-CLIENT sy-vline 
WA_/PF1/DB_SLA_STR-GUID sy-vline 
WA_/PF1/DB_SLA_STR-CLEARING_AREA sy-vline 
WA_/PF1/DB_SLA_STR-SLA_ID sy-vline 
WA_/PF1/DB_SLA_STR-SLA_DATE sy-vline 
WA_/PF1/DB_SLA_STR-RELEASE_STATUS sy-vline 
WA_/PF1/DB_SLA_STR-SLA_TYPE sy-vline 
WA_/PF1/DB_SLA_STR-SEGMENT_ID sy-vline 
WA_/PF1/DB_SLA_STR-CUSTOMER_ID sy-vline 
WA_/PF1/DB_SLA_STR-GROUP_ID sy-vline 
WA_/PF1/DB_SLA_STR-CORRESP_FLG sy-vline 
WA_/PF1/DB_SLA_STR-FLG_LOCK sy-vline 
WA_/PF1/DB_SLA_STR-RULESET_ID sy-vline 
WA_/PF1/DB_SLA_STR-SLA_DESCR sy-vline 
WA_/PF1/DB_SLA_STR-FLG_DUP_PROC sy-vline 
WA_/PF1/DB_SLA_STR-DUP_PROC_DAYS sy-vline 
WA_/PF1/DB_SLA_STR-VALID_FROM sy-vline 
WA_/PF1/DB_SLA_STR-VALID_TO sy-vline 
WA_/PF1/DB_SLA_STR-SLA_STATUS sy-vline 
WA_/PF1/DB_SLA_STR-DUP_PROC_CAL sy-vline 
WA_/PF1/DB_SLA_STR-TEMPLATE_ID sy-vline 
WA_/PF1/DB_SLA_STR-LOCK_REASON sy-vline 
WA_/PF1/DB_SLA_STR-LCK_VLD_FRM sy-vline 
WA_/PF1/DB_SLA_STR-LCK_VLD_TO sy-vline 
WA_/PF1/DB_SLA_STR-POST_COMPLETE sy-vline 
WA_/PF1/DB_SLA_STR-CHARGES_FUNC sy-vline 
WA_/PF1/DB_SLA_STR-CORRESPOND_FUNC sy-vline 
WA_/PF1/DB_SLA_STR-TTYPE_FUNC sy-vline 
WA_/PF1/DB_SLA_STR-EV_FUNC sy-vline 
WA_/PF1/DB_SLA_STR-S1_FX_ACCOUNT sy-vline 
WA_/PF1/DB_SLA_STR-S2_FX_RATE sy-vline 
WA_/PF1/DB_SLA_STR-S3_FX_RCV_CTRY sy-vline 
WA_/PF1/DB_SLA_STR-S4_INSTRUCTION_KEY sy-vline 
WA_/PF1/DB_SLA_STR-S5_CORRESPONDENCE sy-vline 
WA_/PF1/DB_SLA_STR-S6_CHARGE_ACCOUNT sy-vline 
WA_/PF1/DB_SLA_STR-S7_CHARGE_BEARER sy-vline 
WA_/PF1/DB_SLA_STR-S8_CHARGE_PROCESS sy-vline 
WA_/PF1/DB_SLA_STR-S9_FX_PREDEF_RATE sy-vline 
WA_/PF1/DB_SLA_STR-S10_STATUS_NOTIFICATION sy-vline 
WA_/PF1/DB_SLA_STR-S11_ITEM_ERRORS sy-vline 
WA_/PF1/DB_SLA_STR-S12_TRANSACTION_TYPE sy-vline 
WA_/PF1/DB_SLA_STR-S13_ORP_SPLIT sy-vline 
WA_/PF1/DB_SLA_STR-S14_CUT_OFF_TIME_ADJ sy-vline 
WA_/PF1/DB_SLA_STR-S15_SUBMISSION_AGR sy-vline 
WA_/PF1/DB_SLA_STR-S16_CUT_OFF_TIME_VALID sy-vline 
WA_/PF1/DB_SLA_STR-S17_CTRY_RESTRICTIONS sy-vline 
WA_/PF1/DB_SLA_STR-EXTREF_GUID sy-vline 
WA_/PF1/DB_SLA_STR-CRUSR sy-vline 
WA_/PF1/DB_SLA_STR-CRDAT sy-vline 
WA_/PF1/DB_SLA_STR-CRTIM sy-vline 
WA_/PF1/DB_SLA_STR-CHUSR sy-vline 
WA_/PF1/DB_SLA_STR-CHDAT sy-vline 
WA_/PF1/DB_SLA_STR-CHTIM sy-vline 
WA_/PF1/DB_SLA_STR-RLUSR sy-vline 
WA_/PF1/DB_SLA_STR-RLDAT sy-vline 
WA_/PF1/DB_SLA_STR-RLTIM sy-vline 
WA_/PF1/DB_SLA_STR-ARCHIVE_STATUS sy-vline 
WA_/PF1/DB_SLA_STR-ARCHIVE_FLUD sy-vline      INTO ld_text SEPARATED BY SPACE.

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