Lu, Huayi a24ca60074 DWS DEVELOPER 811 version

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>

2023-01-19 13:37:49 +00:00

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ALTER FOREIGN TABLE (for GDS)

Function

ALTER FOREIGN TABLE modifies a foreign table.

Precautions

None

Syntax

Set the attributes of a foreign table.

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ALTER FOREIGN TABLE [ IF EXISTS ]  table_name
    OPTIONS ( {[ ADD | SET | DROP ] option ['value']}[, ... ]);

Set a new owner.

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ALTER FOREIGN TABLE [ IF EXISTS ] tablename
    OWNER TO new_owner;

Parameter Description

table_name
Specifies the name of an existing foreign table to be modified.

Value range: an existing foreign table name.
option
Name of the option to be modified.

Value range: See Parameter Description in CREATE FOREIGN TABLE.
value
Specifies the new value of option.

Examples

Modify the customer_ft attribute of the foreign table. Delete the mode option.

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ALTER FOREIGN TABLE customer_ft options(drop mode);

Helpful Links

CREATE FOREIGN TABLE (for GDS Import and Export), DROP FOREIGN TABLE

Parent topic: DDL Syntax

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