ABAP Select data from SAP table /PMG/GE_RMC_PACKAGE_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PMG/GE_RMC_PACKAGE_S
*  INTO TABLE @DATA(IT_/PMG/GE_RMC_PACKAGE_S2).
*--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_/PMG/GE_RMC_PACKAGE_S INDEX 1 INTO DATA(WA_/PMG/GE_RMC_PACKAGE_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PMG/GE_RMC_PACKAGE_S>-POLICY_ID = 1.
</PMG/GE_RMC_PACKAGE_S>-POLICYNR_TT = 1.
</PMG/GE_RMC_PACKAGE_S>-DATES_TO_DELETE = 1.
</PMG/GE_RMC_PACKAGE_S>-REVERSED_OBJECTS = 1.
</PMG/GE_RMC_PACKAGE_S>-MASS_CHNG_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PMG/GE_RMC_PACKAGE_S-EXECUTION_KEY, sy-vline,
  WA_/PMG/GE_RMC_PACKAGE_S-POLPOLICY_ID, sy-vline,
  WA_/PMG/GE_RMC_PACKAGE_S-BO_ID, sy-vline,
  WA_/PMG/GE_RMC_PACKAGE_S-POLICY_ID, sy-vline,
  WA_/PMG/GE_RMC_PACKAGE_S-PPDPAC_ID, sy-vline,
  WA_/PMG/GE_RMC_PACKAGE_S-POLICYPRODUCT_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PMG/GE_RMC_PACKAGE_S 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_/PMG/GE_RMC_PACKAGE_S 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_/PMG/GE_RMC_PACKAGE_S INTO WA_/PMG/GE_RMC_PACKAGE_S.


*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 POLICYNR_TT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_RMC_PACKAGE_S-POLICYNR_TT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_RMC_PACKAGE_S-POLICYNR_TT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DATE_CD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PMG/GE_RMC_PACKAGE_S-DATE_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PMG/GE_RMC_PACKAGE_S-DATE_CD.
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_/PMG/GE_RMC_PACKAGE_S_STR, 
POLICY_ID TYPE STRING,
POLICYNR_TT TYPE STRING,
DATES_TO_DELETE TYPE STRING,
REVERSED_OBJECTS TYPE STRING,
MASS_CHNG_NAME TYPE STRING,
EXECUTION_KEY TYPE STRING,
POLPOLICY_ID TYPE STRING,
BO_ID TYPE STRING,
POLICY_ID TYPE STRING,
PPDPAC_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVERAGE_ID TYPE STRING,
COVCPCO_ID TYPE STRING,
SUBJECT_ID TYPE STRING,
JOURNAL_TO_LOAD TYPE STRING,
POLICY_ID TYPE STRING,
APPLICATION_ID TYPE STRING,
POLICYPRODUCT_ID TYPE STRING,
JOURNALNO_ID TYPE STRING,
BIZPRC_ID TYPE STRING,
BIZPRCNO_ID TYPE STRING,
EFFECTIVE_DT TYPE STRING,
PPRUNNO_ID TYPE STRING,
NONUPDATE_FG TYPE STRING,
LOB_CD TYPE STRING,
PROC_ID TYPE STRING,
DATE_CD TYPE STRING,
POL_EDIT_FG TYPE STRING,
PIANO_ID TYPE STRING,
REL_PPD_ID TYPE STRING,
REL_JNO_ID TYPE STRING,
JOURNALBO_ID TYPE STRING,
VALID_FROM_DT TYPE STRING,
INTBEGIN_DT TYPE STRING,
INTEND_DT TYPE STRING,
UPDATETYPE_ID TYPE STRING,
FINECTRL_ID TYPE STRING,
ORDERNO_ID TYPE STRING,
MARKCANCEL_FG TYPE STRING,
MOD_TS TYPE STRING,
MOD_DT TYPE STRING,
MOD_TM TYPE STRING,
MODNAME_TT TYPE STRING,
RELEASE_ID TYPE STRING,
BOMIGSTATUS_CD TYPE STRING,
RECORD_TS TYPE STRING,
CANCELNO_ID TYPE STRING,
CANCEL_DT TYPE STRING,
CANCEL_TS TYPE STRING,
PROCESSING_TT TYPE STRING,
PROCCAT_CD TYPE STRING,
PROCCAT_TT TYPE STRING,
NOTEREQ_FG TYPE STRING,
ISCSRELEVANT_FG TYPE STRING,
ISRIRELEVANT_FG TYPE STRING,
ISBZORELEVANT_FG TYPE STRING,
BALEFFECTIVE_DT TYPE STRING,
CANCEFFECTIVE_DT TYPE STRING,
ARCHIVED_FG TYPE STRING,
REDO_FG TYPE STRING,
ISBIRELEVANT_FG TYPE STRING,
ENTRYPRIO_ID TYPE STRING,
DERIRULEDUEDT_ID TYPE STRING,
ONLYDISPLAY_FG TYPE STRING,
MIGSTATUS_TT TYPE STRING,
COV_ID TYPE STRING,
COVPAC_ID TYPE STRING,
COVCPCO_ID TYPE STRING,
BTX_ID TYPE STRING,
CUSTOMER_PB_CI TYPE STRING,
JOURNAL_TO_SKIP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PMG/GE_RMC_PACKAGE_S_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_/PMG/GE_RMC_PACKAGE_S_STR-POLICY_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLICYNR_TT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-DATES_TO_DELETE sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-REVERSED_OBJECTS sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MASS_CHNG_NAME sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-EXECUTION_KEY sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLPOLICY_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLICY_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PPDPAC_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COVPAC_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COVERAGE_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COVCPCO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-SUBJECT_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-JOURNAL_TO_LOAD sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLICY_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-APPLICATION_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POLICYPRODUCT_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-JOURNALNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BIZPRC_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BIZPRCNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-EFFECTIVE_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PPRUNNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-NONUPDATE_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-LOB_CD sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PROC_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-DATE_CD sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-POL_EDIT_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PIANO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-REL_PPD_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-REL_JNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-JOURNALBO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-VALID_FROM_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-INTBEGIN_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-INTEND_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-UPDATETYPE_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-FINECTRL_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ORDERNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MARKCANCEL_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MOD_TS sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MOD_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MOD_TM sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MODNAME_TT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-RELEASE_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BOMIGSTATUS_CD sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-RECORD_TS sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-CANCELNO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-CANCEL_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-CANCEL_TS sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PROCESSING_TT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PROCCAT_CD sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-PROCCAT_TT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-NOTEREQ_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ISCSRELEVANT_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ISRIRELEVANT_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ISBZORELEVANT_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BALEFFECTIVE_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-CANCEFFECTIVE_DT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ARCHIVED_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-REDO_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ISBIRELEVANT_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ENTRYPRIO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-DERIRULEDUEDT_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-ONLYDISPLAY_FG sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-MIGSTATUS_TT sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COV_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COVPAC_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-COVCPCO_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-BTX_ID sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-CUSTOMER_PB_CI sy-vline 
WA_/PMG/GE_RMC_PACKAGE_S_STR-JOURNAL_TO_SKIP sy-vline      INTO ld_text SEPARATED BY SPACE.

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