ABAP Select data from SAP table PCO_AVA_PER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCO_AVA_PER
*  INTO TABLE @DATA(IT_PCO_AVA_PER2).
*--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_PCO_AVA_PER INDEX 1 INTO DATA(WA_PCO_AVA_PER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCO_AVA_PER>-PERNR = 1.
<PCO_AVA_PER>-ENAME = 1.
<PCO_AVA_PER>-ABKRS = 1.
<PCO_AVA_PER>-INDCL = 1.
<PCO_AVA_PER>-INDCM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCO_AVA_PER-PYPER, sy-vline,
  WA_PCO_AVA_PER-INPER, sy-vline,
  WA_PCO_AVA_PER-FPPER, sy-vline,
  WA_PCO_AVA_PER-BEGDA, sy-vline,
  WA_PCO_AVA_PER-ENDDA, sy-vline,
  WA_PCO_AVA_PER-AWART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCO_AVA_PER 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_PCO_AVA_PER 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_PCO_AVA_PER INTO WA_PCO_AVA_PER.


*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_PCO_AVA_PER_STR, 
PERNR TYPE STRING,
ENAME TYPE STRING,
ABKRS TYPE STRING,
INDCL TYPE STRING,
INDCM TYPE STRING,
PYPER TYPE STRING,
INPER TYPE STRING,
FPPER TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
AWART TYPE STRING,
ABWTG TYPE STRING,
STDAZ TYPE STRING,
ABRTG TYPE STRING,
ABRST TYPE STRING,
KALTG TYPE STRING,
OBEGD TYPE STRING,
OENDD TYPE STRING,
DOCNR TYPE STRING,
ABART TYPE STRING,
LGART TYPE STRING,
APZNR TYPE STRING,
CNTR1 TYPE STRING,
CNTR2 TYPE STRING,
CNTR3 TYPE STRING,
ALZNR TYPE STRING,
C1ZNR TYPE STRING,
BTZNR TYPE STRING,
ABZNR TYPE STRING,
V0TYP TYPE STRING,
V0ZNR TYPE STRING,
ZEINH TYPE STRING,
BETPE TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
RTE_CURR TYPE STRING,
AMT_CURR TYPE STRING,
OCRSN TYPE STRING,
PAYTY TYPE STRING,
PAYID TYPE STRING,
BONDT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCO_AVA_PER_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_PCO_AVA_PER_STR-PERNR sy-vline 
WA_PCO_AVA_PER_STR-ENAME sy-vline 
WA_PCO_AVA_PER_STR-ABKRS sy-vline 
WA_PCO_AVA_PER_STR-INDCL sy-vline 
WA_PCO_AVA_PER_STR-INDCM sy-vline 
WA_PCO_AVA_PER_STR-PYPER sy-vline 
WA_PCO_AVA_PER_STR-INPER sy-vline 
WA_PCO_AVA_PER_STR-FPPER sy-vline 
WA_PCO_AVA_PER_STR-BEGDA sy-vline 
WA_PCO_AVA_PER_STR-ENDDA sy-vline 
WA_PCO_AVA_PER_STR-AWART sy-vline 
WA_PCO_AVA_PER_STR-ABWTG sy-vline 
WA_PCO_AVA_PER_STR-STDAZ sy-vline 
WA_PCO_AVA_PER_STR-ABRTG sy-vline 
WA_PCO_AVA_PER_STR-ABRST sy-vline 
WA_PCO_AVA_PER_STR-KALTG sy-vline 
WA_PCO_AVA_PER_STR-OBEGD sy-vline 
WA_PCO_AVA_PER_STR-OENDD sy-vline 
WA_PCO_AVA_PER_STR-DOCNR sy-vline 
WA_PCO_AVA_PER_STR-ABART sy-vline 
WA_PCO_AVA_PER_STR-LGART sy-vline 
WA_PCO_AVA_PER_STR-APZNR sy-vline 
WA_PCO_AVA_PER_STR-CNTR1 sy-vline 
WA_PCO_AVA_PER_STR-CNTR2 sy-vline 
WA_PCO_AVA_PER_STR-CNTR3 sy-vline 
WA_PCO_AVA_PER_STR-ALZNR sy-vline 
WA_PCO_AVA_PER_STR-C1ZNR sy-vline 
WA_PCO_AVA_PER_STR-BTZNR sy-vline 
WA_PCO_AVA_PER_STR-ABZNR sy-vline 
WA_PCO_AVA_PER_STR-V0TYP sy-vline 
WA_PCO_AVA_PER_STR-V0ZNR sy-vline 
WA_PCO_AVA_PER_STR-ZEINH sy-vline 
WA_PCO_AVA_PER_STR-BETPE sy-vline 
WA_PCO_AVA_PER_STR-ANZHL sy-vline 
WA_PCO_AVA_PER_STR-BETRG sy-vline 
WA_PCO_AVA_PER_STR-RTE_CURR sy-vline 
WA_PCO_AVA_PER_STR-AMT_CURR sy-vline 
WA_PCO_AVA_PER_STR-OCRSN sy-vline 
WA_PCO_AVA_PER_STR-PAYTY sy-vline 
WA_PCO_AVA_PER_STR-PAYID sy-vline 
WA_PCO_AVA_PER_STR-BONDT sy-vline      INTO ld_text SEPARATED BY SPACE.

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