ALTER FUNCTION statements

• 1: ALTER AGGREGATE FUNCTION
• 2: ALTER ANALYTIC FUNCTION
• 3: ALTER FILTER
• 4: ALTER FUNCTION (scalar)
• 5: ALTER FUNCTION (SQL)
• 6: ALTER PARSER
• 7: ALTER SOURCE
• 8: ALTER TRANSFORM FUNCTION

1 - ALTER AGGREGATE FUNCTION

Alters a user-defined aggregate function.

Syntax

ALTER AGGREGATE FUNCTION [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name``

Name of the SQL function to alter.

arg-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also

2 - ALTER ANALYTIC FUNCTION

Alters a user-defined analytic function.

Syntax

ALTER ANALYTIC FUNCTION [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED boolean-expr
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also

3 - ALTER FILTER

Alters a user-defined filter.

Syntax

ALTER FILTER [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED boolean-expr
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also

4 - ALTER FUNCTION (scalar)

Alters a user-defined scalar function.

Syntax

ALTER FUNCTION [[db-name.]schema.]function-name( [ parameter-list] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED boolean-expr
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

Examples

Rename function UDF_one to UDF_two:

=> ALTER FUNCTION UDF_one (int, int) RENAME TO UDF_two;

Move function UDF_two to schema macros:

=> ALTER FUNCTION UDF_two (int, int) SET SCHEMA macros;

Disable fenced mode for function UDF_two:

=> ALTER FUNCTION UDF_two (int, int) SET FENCED false;

See also

5 - ALTER FUNCTION (SQL)

Alters a user-defined SQL function.

Syntax

ALTER FUNCTION [[db-name.]schema.]function-name( [arg-list] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

The name of the SQL function to alter.

arg-list

A comma-delimited list of function argument names. If none, specify an empty list.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

Examples

Rename function SQL_one to SQL_two:

=> ALTER FUNCTION SQL_one (int, int) RENAME TO SQL_two;

Move function SQL_two to schema macros:

=> ALTER FUNCTION SQL_two (int, int) SET SCHEMA macros;

Reassign ownership of SQL_two:

=> ALTER FUNCTION SQL_two (int, int) OWNER TO user1;

See also

• CREATE FUNCTION (SQL)
• User-defined SQL functions

6 - ALTER PARSER

Alters a user-defined parser.

Syntax

ALTER PARSER [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED boolean-expr
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also

7 - ALTER SOURCE

Alters a user-defined load source function.

Syntax

ALTER SOURCE [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED boolean-expr
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also

8 - ALTER TRANSFORM FUNCTION

Alters a user-defined transform function.

Syntax

ALTER TRANSFORM FUNCTION [[db-name.]schema.]function-name( [ parameter-list ] ) {
    OWNER TO new-owner
    | RENAME TO new-name
    | SET FENCED { true | false }
    | SET SCHEMA new-schema
}

Parameters

[db-name.]schema

Database and schema. The default schema is public. If you specify a database, it must be the current database.

function-name

Name of the function to alter.

parameter-list

Comma-delimited list of parameters that are defined for this function. If none, specify an empty list.

Note

Vertica supports function overloading, and uses the parameter list to identify the function to alter.

OWNER TO new-owner

Transfers function ownership to another user.

RENAME TO new-name

Renames this function.

SET FENCED { true | false }

Specifies whether to enable fenced mode for this function.

SET SCHEMA new-schema

Moves the function to another schema.

Privileges

Non-superuser: USAGE on the schema and one of the following:

• Function owner

• ALTER privilege on the function

For certain operations, non-superusers must also have the following schema privileges:

See also