ABAP Select data from SAP table PSCHCOPERLC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSCHCOPERLC
*  INTO TABLE @DATA(IT_PSCHCOPERLC2).
*--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_PSCHCOPERLC INDEX 1 INTO DATA(WA_PSCHCOPERLC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSCHCOPERLC>-MANDT = 1.
<PSCHCOPERLC>-ORDERID = 1.
<PSCHCOPERLC>-CAPACITYREQUIREMENTITEM = 1.
<PSCHCOPERLC>-CAPACITYRQMTITEMCAPACITY = 1.
<PSCHCOPERLC>-ORDERCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSCHCOPERLC-CAPACITYREQUIREMENT, sy-vline,
  WA_PSCHCOPERLC-INDUSTRYTYPE, sy-vline,
  WA_PSCHCOPERLC-OPERATIONISPHASE, sy-vline,
  WA_PSCHCOPERLC-SUPERIOROPERATIONINTERNALID, sy-vline,
  WA_PSCHCOPERLC-ORDERINTERNALID, sy-vline,
  WA_PSCHCOPERLC-ORDEROPERATIONINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSCHCOPERLC 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_PSCHCOPERLC 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_PSCHCOPERLC INTO WA_PSCHCOPERLC.


*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 NUMCV, internal->external for field OPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PSCHCOPERLC-OPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSCHCOPERLC-OPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field SUPOPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PSCHCOPERLC-SUPOPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSCHCOPERLC-SUPOPERATION.
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_PSCHCOPERLC_STR, 
MANDT TYPE STRING,
ORDERID TYPE STRING,
CAPACITYREQUIREMENTITEM TYPE STRING,
CAPACITYRQMTITEMCAPACITY TYPE STRING,
ORDERCATEGORY TYPE STRING,
CAPACITYREQUIREMENT TYPE STRING,
INDUSTRYTYPE TYPE STRING,
OPERATIONISPHASE TYPE STRING,
SUPERIOROPERATIONINTERNALID TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
OPERATION TYPE STRING,
SUPOPERATION TYPE STRING,
PLANT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTER TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
PRODUCTIONLINE TYPE STRING,
OPERATIONPLANNINGSTATUSCODE TYPE STRING,
RESOURCEID TYPE STRING,
LIVECACHEORDERID TYPE STRING,
LIVECACHEACTIVITYID TYPE STRING,
LIVECACHEORDERSTATUS TYPE STRING,
LIVECACHEPLANNEDSTATUS TYPE STRING,
LIVECACHEDFIXEDTIMES TYPE STRING,
LIVECACHEUPDATEIND TYPE STRING,
LIVECACHETRPIDTYPE TYPE STRING,
LIVECACHEISISSUED TYPE STRING,
SCHEDULEDBASICSTARTDATE TYPE STRING,
SCHEDULEDBASICSTARTTIME TYPE STRING,
SCHEDULEDBASICSTARTTMSTMP TYPE STRING,
SCHEDULEDBASICENDDATE TYPE STRING,
SCHEDULEDBASICENDTIME TYPE STRING,
SCHEDULEDBASICENDTMSTMP TYPE STRING,
OPERATIONLATESTSTARTTMSTMP TYPE STRING,
OPERATIONLATESTENDTMSTMP TYPE STRING,
OPLTSTSCHEDLDSETUPENDTMSTMP TYPE STRING,
OPLTSTSCHEDLDPROCGSTRTTMSTMP TYPE STRING,
OPLTSTSCHEDLDPROCGENDTMSTMP TYPE STRING,
OPLTSTSCHEDLDTRDWNSTRTTMSTMP TYPE STRING,
REMCAPREQOPSEGSETUPDURNINSECS TYPE STRING,
REMCAPREQOPSEGPROCGDURNINSECS TYPE STRING,
REMCAPREQOPSEGTRDWNDURNINSECS TYPE STRING,
SETUPDURATIONINSECS TYPE STRING,
PROCGDURATIONINSECS TYPE STRING,
TRDWNDURATIONINSECS TYPE STRING,
WAITDURATIONINSECS TYPE STRING,
PLNDORDERPLANNEDSTARTDATE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSCHCOPERLC_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_PSCHCOPERLC_STR-MANDT sy-vline 
WA_PSCHCOPERLC_STR-ORDERID sy-vline 
WA_PSCHCOPERLC_STR-CAPACITYREQUIREMENTITEM sy-vline 
WA_PSCHCOPERLC_STR-CAPACITYRQMTITEMCAPACITY sy-vline 
WA_PSCHCOPERLC_STR-ORDERCATEGORY sy-vline 
WA_PSCHCOPERLC_STR-CAPACITYREQUIREMENT sy-vline 
WA_PSCHCOPERLC_STR-INDUSTRYTYPE sy-vline 
WA_PSCHCOPERLC_STR-OPERATIONISPHASE sy-vline 
WA_PSCHCOPERLC_STR-SUPERIOROPERATIONINTERNALID sy-vline 
WA_PSCHCOPERLC_STR-ORDERINTERNALID sy-vline 
WA_PSCHCOPERLC_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_PSCHCOPERLC_STR-OPERATION sy-vline 
WA_PSCHCOPERLC_STR-SUPOPERATION sy-vline 
WA_PSCHCOPERLC_STR-PLANT sy-vline 
WA_PSCHCOPERLC_STR-WORKCENTERINTERNALID sy-vline 
WA_PSCHCOPERLC_STR-WORKCENTER sy-vline 
WA_PSCHCOPERLC_STR-CAPACITYINTERNALID sy-vline 
WA_PSCHCOPERLC_STR-PRODUCTIONLINE sy-vline 
WA_PSCHCOPERLC_STR-OPERATIONPLANNINGSTATUSCODE sy-vline 
WA_PSCHCOPERLC_STR-RESOURCEID sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEORDERID sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEACTIVITYID sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEORDERSTATUS sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEPLANNEDSTATUS sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEDFIXEDTIMES sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEUPDATEIND sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHETRPIDTYPE sy-vline 
WA_PSCHCOPERLC_STR-LIVECACHEISISSUED sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICSTARTDATE sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICSTARTTIME sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICSTARTTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICENDDATE sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICENDTIME sy-vline 
WA_PSCHCOPERLC_STR-SCHEDULEDBASICENDTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPERATIONLATESTSTARTTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPERATIONLATESTENDTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPLTSTSCHEDLDSETUPENDTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPLTSTSCHEDLDPROCGSTRTTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPLTSTSCHEDLDPROCGENDTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-OPLTSTSCHEDLDTRDWNSTRTTMSTMP sy-vline 
WA_PSCHCOPERLC_STR-REMCAPREQOPSEGSETUPDURNINSECS sy-vline 
WA_PSCHCOPERLC_STR-REMCAPREQOPSEGPROCGDURNINSECS sy-vline 
WA_PSCHCOPERLC_STR-REMCAPREQOPSEGTRDWNDURNINSECS sy-vline 
WA_PSCHCOPERLC_STR-SETUPDURATIONINSECS sy-vline 
WA_PSCHCOPERLC_STR-PROCGDURATIONINSECS sy-vline 
WA_PSCHCOPERLC_STR-TRDWNDURATIONINSECS sy-vline 
WA_PSCHCOPERLC_STR-WAITDURATIONINSECS sy-vline 
WA_PSCHCOPERLC_STR-PLNDORDERPLANNEDSTARTDATE sy-vline 
WA_PSCHCOPERLC_STR-LASTCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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