ABAP Select data from SAP table PSM_D_AVC_EXC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSM_D_AVC_EXC
*  INTO TABLE @DATA(IT_PSM_D_AVC_EXC2).
*--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_PSM_D_AVC_EXC INDEX 1 INTO DATA(WA_PSM_D_AVC_EXC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSM_D_AVC_EXC>-CLIENT = 1.
<PSM_D_AVC_EXC>-AVC_EXC_UUID = 1.
<PSM_D_AVC_EXC>-AVC_EXC_ID = 1.
<PSM_D_AVC_EXC>-AVC_EXC_DESC = 1.
<PSM_D_AVC_EXC>-AVC_EXC_PRIORITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSM_D_AVC_EXC-AVC_PROFILE, sy-vline,
  WA_PSM_D_AVC_EXC-AVC_USER, sy-vline,
  WA_PSM_D_AVC_EXC-AVC_EXC_BEGIN_DATE, sy-vline,
  WA_PSM_D_AVC_EXC-AVC_EXC_END_DATE, sy-vline,
  WA_PSM_D_AVC_EXC-CTRL_OBJ_FU_FROM, sy-vline,
  WA_PSM_D_AVC_EXC-CTRL_OBJ_FU_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSM_D_AVC_EXC 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_PSM_D_AVC_EXC 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_PSM_D_AVC_EXC INTO WA_PSM_D_AVC_EXC.


*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_PSM_D_AVC_EXC_STR, 
CLIENT TYPE STRING,
AVC_EXC_UUID TYPE STRING,
AVC_EXC_ID TYPE STRING,
AVC_EXC_DESC TYPE STRING,
AVC_EXC_PRIORITY TYPE STRING,
AVC_PROFILE TYPE STRING,
AVC_USER TYPE STRING,
AVC_EXC_BEGIN_DATE TYPE STRING,
AVC_EXC_END_DATE TYPE STRING,
CTRL_OBJ_FU_FROM TYPE STRING,
CTRL_OBJ_FU_TO TYPE STRING,
CTRL_OBJ_FA_FROM TYPE STRING,
CTRL_OBJ_FA_TO TYPE STRING,
CTRL_OBJ_BP_FROM TYPE STRING,
CTRL_OBJ_BP_TO TYPE STRING,
CTRL_OBJ_CC_FROM TYPE STRING,
CTRL_OBJ_CC_TO TYPE STRING,
CTRL_OBJ_WB_FROM TYPE STRING,
CTRL_OBJ_WB_TO TYPE STRING,
CTRL_OBJ_BA_FROM TYPE STRING,
CTRL_OBJ_BA_TO TYPE STRING,
CTRL_OBJ_GR_FROM TYPE STRING,
CTRL_OBJ_GR_TO TYPE STRING,
CTRL_OBJ_SP_FROM TYPE STRING,
CTRL_OBJ_SP_TO TYPE STRING,
CTRL_OBJ_SC_FROM TYPE STRING,
CTRL_OBJ_SC_TO TYPE STRING,
AVC_EXC_CREATED_AT TYPE STRING,
AVC_EXC_CREATED_BY TYPE STRING,
AVC_EXC_CHANGED_AT TYPE STRING,
AVC_EXC_CHANGED_BY TYPE STRING,
AVC_EXC_IS_ACTIVE TYPE STRING,
AVC_TOLERANCE_PROFILE TYPE STRING,
AVC_EXC_USES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSM_D_AVC_EXC_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_PSM_D_AVC_EXC_STR-CLIENT sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_UUID sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_ID sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_DESC sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_PRIORITY sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_PROFILE sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_USER sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_BEGIN_DATE sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_END_DATE sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_FU_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_FU_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_FA_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_FA_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_BP_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_BP_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_CC_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_CC_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_WB_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_WB_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_BA_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_BA_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_GR_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_GR_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_SP_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_SP_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_SC_FROM sy-vline 
WA_PSM_D_AVC_EXC_STR-CTRL_OBJ_SC_TO sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_CREATED_AT sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_CREATED_BY sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_CHANGED_AT sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_CHANGED_BY sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_IS_ACTIVE sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_TOLERANCE_PROFILE sy-vline 
WA_PSM_D_AVC_EXC_STR-AVC_EXC_USES sy-vline      INTO ld_text SEPARATED BY SPACE.

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