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 PACKAGEFILTER 

Examples of CREATE PACKAGE BODY

Creating the package body
CREATE PACKAGE BODY APP_VAR
AS
BEGIN
  - Returns the start date of the period
  FUNCTION GET_DATEBEGIN() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEBEGIN');
  END
  - Returns the end date of the period
  FUNCTION GET_DATEEND() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEEND');
  END
  - Sets the date range of the working period
  PROCEDURE SET_DATERANGE(ADATEBEGIN DATE, ADATEEND DATE)
  AS
  BEGIN
    RDB$SET_CONTEXT('USER_SESSION', 'DATEBEGIN', ADATEBEGIN);
    RDB$SET_CONTEXT('USER_SESSION', 'DATEEND', ADATEEND);
  END
END
See also

[fblangref50-ddl-pkg-body-alter], [fblangref50-ddl-pkg-body-drop], [fblangref50-ddl-pkg-body-recreate], CREATE PACKAGE

ALTER PACKAGE BODY

Alters a package body

Available in

DSQL

Syntax
ALTER PACKAGE BODY name
AS
BEGIN
  [ <package_item> ... ]
  [ <package_body_item> ... ]
END

!! See syntax of CREATE PACKAGE BODY for further rules !!

The ALTER PACKAGE BODY statement modifies the package body.It can be used to change the definition and implementation of procedures and functions of the package body.

See [fblangref50-ddl-pkg-body-create] for more details.

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Who Can Alter a Package Body

The ALTER PACKAGE BODY statement can be executed by:

  • Administrators

  • The owner of the package

  • Users with the ALTER ANY PACKAGE privilege

Examples of ALTER PACKAGE BODY

Modifying the package body
ALTER PACKAGE BODY APP_VAR
AS
BEGIN
  - Returns the start date of the period
  FUNCTION GET_DATEBEGIN() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEBEGIN');
  END
  - Returns the end date of the period
  FUNCTION GET_DATEEND() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEEND');
  END
  - Sets the date range of the working period
  PROCEDURE SET_DATERANGE(ADATEBEGIN DATE, ADATEEND DATE)
  AS
  BEGIN
    RDB$SET_CONTEXT('USER_SESSION', 'DATEBEGIN', ADATEBEGIN);
    RDB$SET_CONTEXT('USER_SESSION', 'DATEEND', ADATEEND);
  END
END
See also

[fblangref50-ddl-pkg-body-create], [fblangref50-ddl-pkg-body-drop], [fblangref50-ddl-pkg-body-recreate], ALTER PACKAGE

DROP PACKAGE BODY

Drops a package body

Available in

DSQL

Syntax
DROP PACKAGE package_name
Table 1. DROP PACKAGE BODY Statement Parameters
Parameter Description

package_name

Package name

The DROP PACKAGE BODY statement deletes the package body.

Who Can Drop a Package Body

The DROP PACKAGE BODY statement can be executed by:

  • Administrators

  • The owner of the package

  • Users with the ALTER ANY PACKAGE privilege

Examples of DROP PACKAGE BODY

Dropping the package body
DROP PACKAGE BODY APP_VAR;
See also

[fblangref50-ddl-pkg-body-create], [fblangref50-ddl-pkg-body-alter], DROP PACKAGE

RECREATE PACKAGE BODY

Drops a package body if it exists, and creates a package body

Available in

DSQL

Syntax
RECREATE PACKAGE BODY name
AS
BEGIN
  [ <package_item> ... ]
  [ <package_body_item> ... ]
END

!! See syntax of CREATE PACKAGE BODY for further rules !!

The RECREATE PACKAGE BODY statement creates a new or recreates an existing package body.If a package body with the same name already exists, the statement will try to drop it and then create a new package body.After recreating the package body, privileges of the package and its routines are preserved.

See [fblangref50-ddl-pkg-body-create] for more details.

Examples of RECREATE PACKAGE BODY

Recreating the package body
RECREATE PACKAGE BODY APP_VAR
AS
BEGIN
  - Returns the start date of the period
  FUNCTION GET_DATEBEGIN() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEBEGIN');
  END
  - Returns the end date of the period
  FUNCTION GET_DATEEND() RETURNS DATE DETERMINISTIC
  AS
  BEGIN
    RETURN RDB$GET_CONTEXT('USER_SESSION', 'DATEEND');
  END
  - Sets the date range of the working period
  PROCEDURE SET_DATERANGE(ADATEBEGIN DATE, ADATEEND DATE)
  AS
  BEGIN
    RDB$SET_CONTEXT('USER_SESSION', 'DATEBEGIN', ADATEBEGIN);
    RDB$SET_CONTEXT('USER_SESSION', 'DATEEND', ADATEEND);
  END
END
See also

[fblangref50-ddl-pkg-body-create], [fblangref50-ddl-pkg-body-alter], [fblangref50-ddl-pkg-body-drop], ALTER PACKAGE