ABAP Select data from SAP table /PM0/ABD_TRANSACTION_AL_EXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABD_TRANSACTION_AL_EXT
*  INTO TABLE @DATA(IT_/PM0/ABD_TRANSACTION_AL_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_/PM0/ABD_TRANSACTION_AL_EXT INDEX 1 INTO DATA(WA_/PM0/ABD_TRANSACTION_AL_EXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABD_TRANSACTION_AL_EXT>-CUMULGROUP_CD = 1.
</PM0/ABD_TRANSACTION_AL_EXT>-POLGROUP_CD = 1.
</PM0/ABD_TRANSACTION_AL_EXT>-POLPRGROUP_CD = 1.
</PM0/ABD_TRANSACTION_AL_EXT>-COVGROUP_CD = 1.
</PM0/ABD_TRANSACTION_AL_EXT>-SALEPROD_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABD_TRANSACTION_AL_EXT-PRODUCT_ID, sy-vline,
  WA_/PM0/ABD_TRANSACTION_AL_EXT-ELEMPROD_ID, sy-vline,
  WA_/PM0/ABD_TRANSACTION_AL_EXT-COVPAC_ID, sy-vline,
  WA_/PM0/ABD_TRANSACTION_AL_EXT-OBJCAT_CD, sy-vline,
  WA_/PM0/ABD_TRANSACTION_AL_EXT-OBJTYP_CD, sy-vline,
  WA_/PM0/ABD_TRANSACTION_AL_EXT-OBJLNDIDENT_NN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABD_TRANSACTION_AL_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_/PM0/ABD_TRANSACTION_AL_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_/PM0/ABD_TRANSACTION_AL_EXT INTO WA_/PM0/ABD_TRANSACTION_AL_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 ALPHA, internal->external for field BUCO_NN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_TRANSACTION_AL_EXT-BUCO_NN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_TRANSACTION_AL_EXT-BUCO_NN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field POLICYNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_TRANSACTION_AL_EXT-POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_TRANSACTION_AL_EXT-POLICYNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RISKGROUPNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_TRANSACTION_AL_EXT-RISKGROUPNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_TRANSACTION_AL_EXT-RISKGROUPNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUMULNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_TRANSACTION_AL_EXT-CUMULNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_TRANSACTION_AL_EXT-CUMULNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COMPANYRI_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABD_TRANSACTION_AL_EXT-COMPANYRI_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABD_TRANSACTION_AL_EXT-COMPANYRI_ID.
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_/PM0/ABD_TRANSACTION_AL_EXT_STR, 
CUMULGROUP_CD TYPE STRING,
POLGROUP_CD TYPE STRING,
POLPRGROUP_CD TYPE STRING,
COVGROUP_CD TYPE STRING,
SALEPROD_ID TYPE STRING,
PRODUCT_ID TYPE STRING,
ELEMPROD_ID TYPE STRING,
COVPAC_ID TYPE STRING,
OBJCAT_CD TYPE STRING,
OBJTYP_CD TYPE STRING,
OBJLNDIDENT_NN TYPE STRING,
LOBKEY_CD TYPE STRING,
COMCODE_CD TYPE STRING,
PPDPAC_ID TYPE STRING,
BRCH_NN TYPE STRING,
BUCO_NN TYPE STRING,
COVCP_ID TYPE STRING,
SUBJECT_ID TYPE STRING,
POLPOLICY_ID TYPE STRING,
TRANSACT_NR TYPE STRING,
POLICYNR_TT TYPE STRING,
RISKGROUPNR_TT TYPE STRING,
CUMULNR_TT TYPE STRING,
EXIST_IN_RI_FG TYPE STRING,
CURRENCY_ID TYPE STRING,
COMPANYRI_ID TYPE STRING,
ALLOC_ID TYPE STRING,
ALLOC_START_DT TYPE STRING,
ALLOC_END_DT TYPE STRING,
COVERAGE_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
POLICY_ID TYPE STRING,
SPLIT TYPE STRING,
SECTNAME_TT TYPE STRING,
RIREF_ID TYPE STRING,
COVCPCO_PM_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABD_TRANSACTION_AL_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_/PM0/ABD_TRANSACTION_AL_EXT_STR-CUMULGROUP_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLGROUP_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLPRGROUP_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COVGROUP_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-SALEPROD_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-PRODUCT_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-ELEMPROD_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COVPAC_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-OBJCAT_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-OBJTYP_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-OBJLNDIDENT_NN sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-LOBKEY_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COMCODE_CD sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-PPDPAC_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-BRCH_NN sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-BUCO_NN sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COVCP_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-SUBJECT_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLPOLICY_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-TRANSACT_NR sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLICYNR_TT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-RISKGROUPNR_TT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-CUMULNR_TT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-EXIST_IN_RI_FG sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-CURRENCY_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COMPANYRI_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-ALLOC_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-ALLOC_START_DT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-ALLOC_END_DT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COVERAGE_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLICYPRODUCT_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-POLICY_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-SPLIT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-SECTNAME_TT sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-RIREF_ID sy-vline 
WA_/PM0/ABD_TRANSACTION_AL_EXT_STR-COVCPCO_PM_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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