ABAP Select data from SAP table H_FMCECVGRP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM H_FMCECVGRP
*  INTO TABLE @DATA(IT_H_FMCECVGRP2).
*--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_H_FMCECVGRP INDEX 1 INTO DATA(WA_H_FMCECVGRP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<H_FMCECVGRP>-CLIENT = 1.
<H_FMCECVGRP>-FM_AREA = 1.
<H_FMCECVGRP>-FISCYEAR = 1.
<H_FMCECVGRP>-BUDCAT = 1.
<H_FMCECVGRP>-CVRGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_H_FMCECVGRP-CEFFYEAR, sy-vline,
  WA_H_FMCECVGRP-LANGU, sy-vline,
  WA_H_FMCECVGRP-TEXT, sy-vline,
  WA_H_FMCECVGRP-CGAUTOIND, sy-vline,
  WA_H_FMCECVGRP-ALDNR, sy-vline,
  WA_H_FMCECVGRP-BM_RECEIVER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_H_FMCECVGRP 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_H_FMCECVGRP 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_H_FMCECVGRP INTO WA_H_FMCECVGRP.


*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 GJAHR, internal->external for field FISCYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_H_FMCECVGRP-FISCYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_H_FMCECVGRP-FISCYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_H_FMCECVGRP-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_H_FMCECVGRP-LANGU.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field RBBLDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_H_FMCECVGRP-RBBLDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_H_FMCECVGRP-RBBLDNR.
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_H_FMCECVGRP_STR, 
CLIENT TYPE STRING,
FM_AREA TYPE STRING,
FISCYEAR TYPE STRING,
BUDCAT TYPE STRING,
CVRGRP TYPE STRING,
CEFFYEAR TYPE STRING,
LANGU TYPE STRING,
TEXT TYPE STRING,
CGAUTOIND TYPE STRING,
ALDNR TYPE STRING,
BM_RECEIVER TYPE STRING,
BM_SENDER TYPE STRING,
BM_REC_AND_SEN TYPE STRING,
CRTUSER TYPE STRING,
CRTDATE TYPE STRING,
CRTTIME TYPE STRING,
CHGUSER TYPE STRING,
CHGDATE TYPE STRING,
CHGTIME TYPE STRING,
RBBLDNR TYPE STRING,
CGWITHGRANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_H_FMCECVGRP_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_H_FMCECVGRP_STR-CLIENT sy-vline 
WA_H_FMCECVGRP_STR-FM_AREA sy-vline 
WA_H_FMCECVGRP_STR-FISCYEAR sy-vline 
WA_H_FMCECVGRP_STR-BUDCAT sy-vline 
WA_H_FMCECVGRP_STR-CVRGRP sy-vline 
WA_H_FMCECVGRP_STR-CEFFYEAR sy-vline 
WA_H_FMCECVGRP_STR-LANGU sy-vline 
WA_H_FMCECVGRP_STR-TEXT sy-vline 
WA_H_FMCECVGRP_STR-CGAUTOIND sy-vline 
WA_H_FMCECVGRP_STR-ALDNR sy-vline 
WA_H_FMCECVGRP_STR-BM_RECEIVER sy-vline 
WA_H_FMCECVGRP_STR-BM_SENDER sy-vline 
WA_H_FMCECVGRP_STR-BM_REC_AND_SEN sy-vline 
WA_H_FMCECVGRP_STR-CRTUSER sy-vline 
WA_H_FMCECVGRP_STR-CRTDATE sy-vline 
WA_H_FMCECVGRP_STR-CRTTIME sy-vline 
WA_H_FMCECVGRP_STR-CHGUSER sy-vline 
WA_H_FMCECVGRP_STR-CHGDATE sy-vline 
WA_H_FMCECVGRP_STR-CHGTIME sy-vline 
WA_H_FMCECVGRP_STR-RBBLDNR sy-vline 
WA_H_FMCECVGRP_STR-CGWITHGRANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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