rem
rem $Header: L:\\\\model\\repman40\\api\\RCS\\ciuco.hpb 1.4 1998/12/14 18:47:05 cvanes Exp $
rem
Rem  Copyright (c) 1994 by Oracle Corporation
Rem    NAME
Rem      ciuco.hpb - <one-line expansion of the name>
Rem    DESCRIPTION
Rem      <short description of component this file declares/defines>
Rem    RETURNS
Rem
Rem    NOTES
Rem      <other useful comments, qualifications, etc.>
Rem    MODIFIED   (MM/DD/YY)
Rem     aheath     07/08/94 -  Creation
REM ***************************************************************************
REM   Hand-carved package body for UNIQUE KEY CONSTRAINT created on 06-SEP-94
REM ***************************************************************************
CREATE OR REPLACE PACKAGE BODY cihuco IS

  -- Type-specific post-process routines
  PROCEDURE check_delete(id rm.reference);

  sac_type constant varchar2(6) := 'OCO';
  pac_type constant varchar2(6) := 'TAB';

--======================== PRE-PROCESS (INS,UPD) ============================--

PROCEDURE pre_process(operation varchar2,id rm.reference,
  pl in out NOCOPY ciounique_key_constraint.data)
IS
/*
  Removed due to bug 863229 / 949743
CURSOR c1 IS
  select column_reference
    from ci_key_components
   where oky_arc1_for = 'COL'
     and constraint_reference = pre_process.id;
*/
BEGIN
  -- Access rights for unique key constraint derive from the table
-- Access rights checking performed by triggers in config 4.0.9
--  ciiacc.check_access_rights(pl.v.table_reference,pac_type,
--    'UPD','SHR');

  -- Validate user-defined properties
  if cieval.is_extended then
    cieval.check_element(id,pl.v.types,(operation='UPD')
      ,pl.v.user_defined_property_0,pl.i.user_defined_property_0
      ,pl.v.user_defined_property_1,pl.i.user_defined_property_1
      ,pl.v.user_defined_property_2,pl.i.user_defined_property_2
      ,pl.v.user_defined_property_3,pl.i.user_defined_property_3
      ,pl.v.user_defined_property_4,pl.i.user_defined_property_4
      ,pl.v.user_defined_property_5,pl.i.user_defined_property_5
      ,pl.v.user_defined_property_6,pl.i.user_defined_property_6
      ,pl.v.user_defined_property_7,pl.i.user_defined_property_7
      ,pl.v.user_defined_property_8,pl.i.user_defined_property_8
      ,pl.v.user_defined_property_9,pl.i.user_defined_property_9
      ,pl.v.user_defined_property_10,pl.i.user_defined_property_10
      ,pl.v.user_defined_property_11,pl.i.user_defined_property_11
      ,pl.v.user_defined_property_12,pl.i.user_defined_property_12
      ,pl.v.user_defined_property_13,pl.i.user_defined_property_13
      ,pl.v.user_defined_property_14,pl.i.user_defined_property_14
      ,pl.v.user_defined_property_15,pl.i.user_defined_property_15
      ,pl.v.user_defined_property_16,pl.i.user_defined_property_16
      ,pl.v.user_defined_property_17,pl.i.user_defined_property_17
      ,pl.v.user_defined_property_18,pl.i.user_defined_property_18
      ,pl.v.user_defined_property_19,pl.i.user_defined_property_19
      );
  end if;

  -- Initialize unassigned properties with default values on INSERT
  if operation = 'INS' then
    pl.v.element_type_name := sac_type;
    pl.i.element_type_name := true;
    pl.v.constraint_type := 'UNIQUE';
    pl.i.constraint_type := true;
  end if;
--#BEGIN
  if pl.i.exception_table then
    -- replace spaces with underscores
    pl.v.exception_table := translate(pl.v.exception_table,' ','_');
  end if;
  if pl.i.name then
    -- replace spaces with underscores
    cihtbl.remove_spaces(pl.v.name); --B631806
  end if;


/*
  Removed due to bug 863229 / 949743
  -- If constraint is made mandatory, then update the null_indicator flag for
  -- the columns making up the key constraint
  if operation='UPD' then
    if pl.i.mandatory_flag and pl.v.mandatory_flag='Y' then
      FOR oky IN c1 LOOP
        update ci_columns col
           set col.null_indicator = 'NOT NULL'
         where col.id = oky.column_reference;
      END LOOP;
    end if;
  end if;
*/
--#END
END;

--======================== PRE-PROCESS (DEL,SEL) ============================--

PROCEDURE pre_process(operation varchar2,id rm.reference)
IS
BEGIN
  -- Access rights for unique key constraint derive from the table
-- Access rights checking performed by triggers in config 4.0.9
--  ciiacc.check_access_rights(id,sac_type,operation,'SAC');
  null;
END;

--===================== POST-PROCESS (INS,UPD,SEL) ==========================--

PROCEDURE post_process(operation varchar2,id rm.reference,
  pl ciounique_key_constraint.data)
IS
BEGIN
  if operation = 'INS' or (operation = 'UPD' and pl.i.name = true) then
    -- Need to do a UID check on constraints
    rmman.log_change('CIHUCOU1',pl.v.id);
  end if;
  if pl.i.name then
    -- check name is a valid ORACLE name
    if cihtbl.is_name_valid(pl.v.name) then
      ciierr.fatal(1003,ciiutl.identify(pl.v.id, pl.v.types),pl.v.name);
    end if;
  end if;
  if operation = 'INS' then
    cihpco.create_cnus(pl.v.id, pl.v.table_reference);
  end if;
END;

--========================= POST PROCESS (DEL) ==============================--

PROCEDURE post_process(operation varchar2,id rm.reference)
IS
BEGIN
  if operation = 'DEL' then
    -- Delete the constraint and all it's related sub-bits
    ciiutl.delete_element(id,sac_type);
  end if;
END;

--============================= CHECK DELETE ================================--

PROCEDURE check_delete(id rm.reference)
IS
  dummy number;
  error_count number := 0;
BEGIN
  null;
END;

--============================= EXCEPTION ===================================--
-- returns false if the specified exception table does not exist in the
--  context app sys

FUNCTION exception_tab(exception_table varchar2)
RETURN boolean
IS
  cnt number;
BEGIN
  select count(*) into cnt
  from ci_table_definitions td
  ,    ci_app_sys_tables    ast
  where td.id = ast.table_reference
  and   ast.application_system_reference = cdapi.app_sys_ref
  and   td.name = exception_tab.exception_table
  ;

  if cnt > 0
  then
    return(true);
  else
    return(false);
  end if;
END;

--========================= IS COLUMN UPDATEABLE ============================--

FUNCTION is_column_updateable(column_id number)
RETURN boolean
IS
  cnt number;
BEGIN
  select count(*) into cnt from
    ci_unique_key_constraints uco, ci_key_components oky
  where oky.column_reference = is_column_updateable.column_id
    and oky.constraint_reference = uco.id
    and uco.key_updateable = 'N';

  if cnt = 0 then
    return(true);
  else
    return(false);
  end if;
END;

--============================== IS MANDATORY ===============================--

FUNCTION is_mandatory(constraint_id number)
RETURN boolean
IS
  m_flag varchar2(1);
BEGIN
  select max(mandatory_flag) into m_flag
  from ci_unique_key_constraints
  where id = constraint_id;

  if m_flag = 'Y' then
    return(true);
  else
    return(false);
  end if;
END;

--================================== END ====================================--
--
-- Package instantiation block
--
BEGIN
  is_installed := true;
END;
/