ABAP Select data from SAP table /ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV
*  INTO TABLE @DATA(IT_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV2).
*--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_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV INDEX 1 INTO DATA(WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV>-EQUNR = 1.
</ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV>-ERDAT = 1.
</ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV>-AEDAT = 1.
</ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV>-EQTYP = 1.
</ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV>-EQART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-HERST, sy-vline,
  WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-HERLD, sy-vline,
  WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-SERGE, sy-vline,
  WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-TYPBZ, sy-vline,
  WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-BAUJJ, sy-vline,
  WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-BAUMM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV 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_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV 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_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV INTO WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV.


*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 EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field BAUJJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-BAUJJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-BAUJJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field GERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-GERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-GERNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV-SERNR.
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_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR, 
EQUNR TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
EQTYP TYPE STRING,
EQART TYPE STRING,
HERST TYPE STRING,
HERLD TYPE STRING,
SERGE TYPE STRING,
TYPBZ TYPE STRING,
BAUJJ TYPE STRING,
BAUMM TYPE STRING,
GERNR TYPE STRING,
MATNR TYPE STRING,
SERNR TYPE STRING,
SPARTE TYPE STRING,
UII TYPE STRING,
IUID_TYPE TYPE STRING,
UII_PLANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_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_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-EQUNR sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-ERDAT sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-AEDAT sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-EQTYP sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-EQART sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-HERST sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-HERLD sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-SERGE sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-TYPBZ sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-BAUJJ sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-BAUMM sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-GERNR sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-MATNR sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-SERNR sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-SPARTE sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-UII sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-IUID_TYPE sy-vline 
WA_/ISDFPS/PM_S_ER_DIS_RUN_EQ_ALV_STR-UII_PLANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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