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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABT_GZO_CACHE
*  INTO TABLE @DATA(IT_/PM0/ABT_GZO_CACHE2).
*--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/ABT_GZO_CACHE INDEX 1 INTO DATA(WA_/PM0/ABT_GZO_CACHE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABT_GZO_CACHE>-CLIENT = 1.
</PM0/ABT_GZO_CACHE>-POLICY_ID = 1.
</PM0/ABT_GZO_CACHE>-APPL_ID = 1.
</PM0/ABT_GZO_CACHE>-JOURN_NO_ID = 1.
</PM0/ABT_GZO_CACHE>-COMMCONTRNR_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABT_GZO_CACHE-ROLE_ID, sy-vline,
  WA_/PM0/ABT_GZO_CACHE-REDEMP_FG, sy-vline,
  WA_/PM0/ABT_GZO_CACHE-MANDT, sy-vline,
  WA_/PM0/ABT_GZO_CACHE-GZO_ID, sy-vline,
  WA_/PM0/ABT_GZO_CACHE-VERSION, sy-vline,
  WA_/PM0/ABT_GZO_CACHE-OBJKIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABT_GZO_CACHE 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/ABT_GZO_CACHE 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/ABT_GZO_CACHE INTO WA_/PM0/ABT_GZO_CACHE.


*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 COMMCONTRNR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABT_GZO_CACHE-COMMCONTRNR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABT_GZO_CACHE-COMMCONTRNR_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BUSI_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABT_GZO_CACHE-BUSI_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABT_GZO_CACHE-BUSI_BEGIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field BUSI_END
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABT_GZO_CACHE-BUSI_END
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABT_GZO_CACHE-BUSI_END.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field TECH_BEGIN
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABT_GZO_CACHE-TECH_BEGIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABT_GZO_CACHE-TECH_BEGIN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SEGNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABT_GZO_CACHE-SEGNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABT_GZO_CACHE-SEGNR.
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/ABT_GZO_CACHE_STR, 
CLIENT TYPE STRING,
POLICY_ID TYPE STRING,
APPL_ID TYPE STRING,
JOURN_NO_ID TYPE STRING,
COMMCONTRNR_ID TYPE STRING,
ROLE_ID TYPE STRING,
REDEMP_FG TYPE STRING,
MANDT TYPE STRING,
GZO_ID TYPE STRING,
VERSION TYPE STRING,
OBJKIND TYPE STRING,
OBJTYPE TYPE STRING,
QUOTA TYPE STRING,
AV_ID TYPE STRING,
FLG_ARCHIVE TYPE STRING,
BUSI_BEGIN TYPE STRING,
BUSI_END TYPE STRING,
TECH_BEGIN TYPE STRING,
TECH_END TYPE STRING,
FLG_CANCEL_OBJ TYPE STRING,
FLG_CANCEL_VERS TYPE STRING,
CHG_TCODE TYPE STRING,
CHG_USR TYPE STRING,
TRI_METH_TYP TYPE STRING,
TRI_METH_TARGET TYPE STRING,
STATUS_VERSION TYPE STRING,
STATUS_WORK TYPE STRING,
XO_ID TYPE STRING,
XO_TYPE TYPE STRING,
SEG_ID TYPE STRING,
ROLE TYPE STRING,
OVERWRITTEN TYPE STRING,
DIRECTRATE_VL TYPE STRING,
INDIRECTRATE_VL TYPE STRING,
COMMISROLE_CD TYPE STRING,
COMCONTGRP_ID TYPE STRING,
OWNER_FG TYPE STRING,
BSNESSPARTNER_ID TYPE STRING,
DERIVPLANSEC_FG TYPE STRING,
JOURNALNO_ID TYPE STRING,
POL_NR TYPE STRING,
SEGNR TYPE STRING,
COMMISSION_ID TYPE STRING,
BO_CD TYPE STRING,
STATUS_CD TYPE STRING,
AMEND_ID TYPE STRING,
CUSTOMER_TB_CI TYPE STRING,
CUSTOMER_TB_CI TYPE STRING,
COMMROLE_ID TYPE STRING,
ACTIVE_FG TYPE STRING,
TRANSACTION_ID TYPE STRING,
BO_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABT_GZO_CACHE_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/ABT_GZO_CACHE_STR-CLIENT sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-POLICY_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-APPL_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-JOURN_NO_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-COMMCONTRNR_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-ROLE_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-REDEMP_FG sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-MANDT sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-GZO_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-VERSION sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-OBJKIND sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-OBJTYPE sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-QUOTA sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-AV_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-FLG_ARCHIVE sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-BUSI_BEGIN sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-BUSI_END sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-TECH_BEGIN sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-TECH_END sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-FLG_CANCEL_OBJ sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-FLG_CANCEL_VERS sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-CHG_TCODE sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-CHG_USR sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-TRI_METH_TYP sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-TRI_METH_TARGET sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-STATUS_VERSION sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-STATUS_WORK sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-XO_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-XO_TYPE sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-SEG_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-ROLE sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-OVERWRITTEN sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-DIRECTRATE_VL sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-INDIRECTRATE_VL sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-COMMISROLE_CD sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-COMCONTGRP_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-OWNER_FG sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-BSNESSPARTNER_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-DERIVPLANSEC_FG sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-JOURNALNO_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-POL_NR sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-SEGNR sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-COMMISSION_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-BO_CD sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-STATUS_CD sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-AMEND_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-CUSTOMER_TB_CI sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-CUSTOMER_TB_CI sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-COMMROLE_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-ACTIVE_FG sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-TRANSACTION_ID sy-vline 
WA_/PM0/ABT_GZO_CACHE_STR-BO_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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