ABAP Select data from SAP table DB6PMSA_APPL_INFO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DB6PMSA_APPL_INFO 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 DB6PMSA_APPL_INFO. 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 DB6PMSA_APPL_INFO 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_DB6PMSA_APPL_INFO TYPE STANDARD TABLE OF DB6PMSA_APPL_INFO,
      WA_DB6PMSA_APPL_INFO TYPE DB6PMSA_APPL_INFO,
      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: <DB6PMSA_APPL_INFO> TYPE DB6PMSA_APPL_INFO.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DB6PMSA_APPL_INFO.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DB6PMSA_APPL_INFO
  INTO TABLE IT_DB6PMSA_APPL_INFO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DB6PMSA_APPL_INFO
*  INTO TABLE @DATA(IT_DB6PMSA_APPL_INFO2).
*--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_DB6PMSA_APPL_INFO INDEX 1 INTO DATA(WA_DB6PMSA_APPL_INFO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DB6PMSA_APPL_INFO ASSIGNING <DB6PMSA_APPL_INFO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DB6PMSA_APPL_INFO>-PARTITN = 1.
<DB6PMSA_APPL_INFO>-AGENT_ID = 1.
<DB6PMSA_APPL_INFO>-AP_STATUS = 1.
<DB6PMSA_APPL_INFO>-CODEPG_ID = 1.
<DB6PMSA_APPL_INFO>-NUM_ASS_AG = 1.

ENDLOOP.

LOOP AT IT_DB6PMSA_APPL_INFO INTO WA_DB6PMSA_APPL_INFO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DB6PMSA_APPL_INFO-CRD_NODE, sy-vline,
  WA_DB6PMSA_APPL_INFO-AUTHORITY_LEVEL, sy-vline,
  WA_DB6PMSA_APPL_INFO-CLI_PID, sy-vline,
  WA_DB6PMSA_APPL_INFO-CRD_AG_PID, sy-vline,
  WA_DB6PMSA_APPL_INFO-STAT_CHGTM, sy-vline,
  WA_DB6PMSA_APPL_INFO-CLI_PLATFO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DB6PMSA_APPL_INFO 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_DB6PMSA_APPL_INFO 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_DB6PMSA_APPL_INFO INTO WA_DB6PMSA_APPL_INFO.


*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_DB6PMSA_APPL_INFO_STR, 
PARTITN TYPE STRING,
AGENT_ID TYPE STRING,
AP_STATUS TYPE STRING,
CODEPG_ID TYPE STRING,
NUM_ASS_AG TYPE STRING,
CRD_NODE TYPE STRING,
AUTHORITY_LEVEL TYPE STRING,
CLI_PID TYPE STRING,
CRD_AG_PID TYPE STRING,
STAT_CHGTM TYPE STRING,
CLI_PLATFO TYPE STRING,
CLI_PRTC TYPE STRING,
COUNTRY_CD TYPE STRING,
APPL_NAME TYPE STRING,
APPL_ID TYPE STRING,
SEQU_NO TYPE STRING,
AUTH_ID TYPE STRING,
SESSION_AUTH_ID TYPE STRING,
CLI_NAME TYPE STRING,
CLI_PRDID TYPE STRING,
IN_DB_ALIA TYPE STRING,
CLI_DBALIA TYPE STRING,
DB_NAME TYPE STRING,
DB_PATH TYPE STRING,
EXEC_ID TYPE STRING,
CORR_TOKEN TYPE STRING,
TPMON_ACC_STR TYPE STRING,
TPMON_CLIENT_APP TYPE STRING,
TPMON_CLIENT_UID TYPE STRING,
TPMON_CLIENT_WKS TYPE STRING,
WORKLOAD_ID TYPE STRING,
IS_SYSTEM_APPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DB6PMSA_APPL_INFO_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_DB6PMSA_APPL_INFO_STR-PARTITN sy-vline 
WA_DB6PMSA_APPL_INFO_STR-AGENT_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-AP_STATUS sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CODEPG_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-NUM_ASS_AG sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CRD_NODE sy-vline 
WA_DB6PMSA_APPL_INFO_STR-AUTHORITY_LEVEL sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_PID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CRD_AG_PID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-STAT_CHGTM sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_PLATFO sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_PRTC sy-vline 
WA_DB6PMSA_APPL_INFO_STR-COUNTRY_CD sy-vline 
WA_DB6PMSA_APPL_INFO_STR-APPL_NAME sy-vline 
WA_DB6PMSA_APPL_INFO_STR-APPL_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-SEQU_NO sy-vline 
WA_DB6PMSA_APPL_INFO_STR-AUTH_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-SESSION_AUTH_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_NAME sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_PRDID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-IN_DB_ALIA sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CLI_DBALIA sy-vline 
WA_DB6PMSA_APPL_INFO_STR-DB_NAME sy-vline 
WA_DB6PMSA_APPL_INFO_STR-DB_PATH sy-vline 
WA_DB6PMSA_APPL_INFO_STR-EXEC_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-CORR_TOKEN sy-vline 
WA_DB6PMSA_APPL_INFO_STR-TPMON_ACC_STR sy-vline 
WA_DB6PMSA_APPL_INFO_STR-TPMON_CLIENT_APP sy-vline 
WA_DB6PMSA_APPL_INFO_STR-TPMON_CLIENT_UID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-TPMON_CLIENT_WKS sy-vline 
WA_DB6PMSA_APPL_INFO_STR-WORKLOAD_ID sy-vline 
WA_DB6PMSA_APPL_INFO_STR-IS_SYSTEM_APPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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