java.lang.Object
- com.gpudb.protocol.AlterTableRequest.Options

Enclosing class:

AlterTableRequest
```
public static final class AlterTableRequest.Options
extends Object
```
A set of string constants for the AlterTableRequest parameter options.
Optional parameters.

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`ACTION`
`static String`	`ADD_COLUMN_EXPRESSION`	When adding a column, an optional expression to use for the new column's values.
`static String`	`CAGRA`	Create or delete a CAGRA index on a vector column
`static String`	`CHUNK_SKIP`	Create or delete a chunk skip index.
`static String`	`COLUMN`	Create or delete a column (attribute) index.
`static String`	`COLUMN_DEFAULT_VALUE`	When adding a column, set a default value for existing records.
`static String`	`COLUMN_NAME`
`static String`	`COLUMN_PROPERTIES`	When adding or changing a column, set the column properties (strings, separated by a comma: data, text_search, char8, int8 etc).
`static String`	`COLUMN_TYPE`	When adding or changing a column, set the column type (strings, separated by a comma: int, double, string, null etc).
`static String`	`COPY_VALUES_FROM_COLUMN`	[DEPRECATED--please use `ADD_COLUMN_EXPRESSION` instead.]
`static String`	`FALSE`	Don't reset the timer; expiration countdown will continue from where it is, as if the table had not been accessed.
`static String`	`GEOSPATIAL`	Create or delete a geospatial index
`static String`	`HNSW`	Create or delete an HNSW index on a vector column
`static String`	`INDEX_OPTIONS`	Options to use when creating an index, in the format "key: value [, key: value [, ...]]".
`static String`	`INDEX_TYPE`	Type of index to create, when `action` is `CREATE_INDEX`; to refresh, when `action` is `REFRESH_INDEX`; or to delete, when `action` is `DELETE_INDEX`.
`static String`	`LOW_CARDINALITY`	Create a low-cardinality column (attribute) index.
`static String`	`RENAME_COLUMN`	When changing a column, specify new column name.
`static String`	`STRATEGY_DEFINITION`	Optional parameter for specifying the tier strategy for the table and its columns when `action` is `SET_STRATEGY_DEFINITION`, replacing the existing tier strategy in its entirety.
`static String`	`TABLE_NAME`
`static String`	`TRUE`	Reset the expiration countdown timer to the table's configured TTL.
`static String`	`UPDATE_LAST_ACCESS_TIME`	Indicates whether the time-to-live (TTL) expiration countdown timer should be reset to the table's TTL.
`static String`	`VALIDATE_CHANGE_COLUMN`	When changing a column, validate the change before applying it (or not).

Method Summary
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - ACTION
```
public static final String ACTION
```
    See Also:
    
    Constant Field Values
  - COLUMN_NAME
```
public static final String COLUMN_NAME
```
    See Also:
    
    Constant Field Values
  - TABLE_NAME
```
public static final String TABLE_NAME
```
    See Also:
    
    Constant Field Values
  - COLUMN_DEFAULT_VALUE
```
public static final String COLUMN_DEFAULT_VALUE
```
    When adding a column, set a default value for existing records. For nullable columns, the default value will be null, regardless of data type.
    
    See Also:
    
    Constant Field Values
  - COLUMN_PROPERTIES
```
public static final String COLUMN_PROPERTIES
```
    When adding or changing a column, set the column properties (strings, separated by a comma: data, text_search, char8, int8 etc).
    
    See Also:
    
    Constant Field Values
  - COLUMN_TYPE
```
public static final String COLUMN_TYPE
```
    When adding or changing a column, set the column type (strings, separated by a comma: int, double, string, null etc).
    
    See Also:
    
    Constant Field Values
  - COPY_VALUES_FROM_COLUMN
```
public static final String COPY_VALUES_FROM_COLUMN
```
    [DEPRECATED--please use ADD_COLUMN_EXPRESSION instead.]
    
    See Also:
    
    Constant Field Values
  - RENAME_COLUMN
```
public static final String RENAME_COLUMN
```
    When changing a column, specify new column name.
    
    See Also:
    
    Constant Field Values
  - VALIDATE_CHANGE_COLUMN
```
public static final String VALIDATE_CHANGE_COLUMN
```
    When changing a column, validate the change before applying it (or not). Supported values:
    
    TRUE: Validate all values. A value too large (or too long) for the new type will prevent any change.
    FALSE: When a value is too large or long, it will be truncated.
    The default value is TRUE.
    See Also:
    
    Constant Field Values
  - TRUE
```
public static final String TRUE
```
    Reset the expiration countdown timer to the table's configured TTL.
    
    See Also:
    
    Constant Field Values
  - FALSE
```
public static final String FALSE
```
    Don't reset the timer; expiration countdown will continue from where it is, as if the table had not been accessed.
    
    See Also:
    
    Constant Field Values
  - UPDATE_LAST_ACCESS_TIME
```
public static final String UPDATE_LAST_ACCESS_TIME
```
    Indicates whether the time-to-live (TTL) expiration countdown timer should be reset to the table's TTL. Supported values:
    
    TRUE: Reset the expiration countdown timer to the table's configured TTL.
    FALSE: Don't reset the timer; expiration countdown will continue from where it is, as if the table had not been accessed.
    The default value is TRUE.
    See Also:
    
    Constant Field Values
  - ADD_COLUMN_EXPRESSION
```
public static final String ADD_COLUMN_EXPRESSION
```
    When adding a column, an optional expression to use for the new column's values. Any valid expression may be used, including one containing references to existing columns in the same table.
    
    See Also:
    
    Constant Field Values
  - STRATEGY_DEFINITION
```
public static final String STRATEGY_DEFINITION
```
    Optional parameter for specifying the tier strategy for the table and its columns when action is SET_STRATEGY_DEFINITION, replacing the existing tier strategy in its entirety.
    
    See Also:
    
    Constant Field Values
  - INDEX_TYPE
```
public static final String INDEX_TYPE
```
    Type of index to create, when action is CREATE_INDEX; to refresh, when action is REFRESH_INDEX; or to delete, when action is DELETE_INDEX. Supported values:
    
    COLUMN: Create or delete a column (attribute) index.
    LOW_CARDINALITY: Create a low-cardinality column (attribute) index.
    CHUNK_SKIP: Create or delete a chunk skip index.
    GEOSPATIAL: Create or delete a geospatial index
    CAGRA: Create or delete a CAGRA index on a vector column
    HNSW: Create or delete an HNSW index on a vector column
    The default value is COLUMN.
    See Also:
    
    Constant Field Values
  - COLUMN
```
public static final String COLUMN
```
    Create or delete a column (attribute) index.
    
    See Also:
    
    Constant Field Values
  - LOW_CARDINALITY
```
public static final String LOW_CARDINALITY
```
    Create a low-cardinality column (attribute) index.
    
    See Also:
    
    Constant Field Values
  - CHUNK_SKIP
```
public static final String CHUNK_SKIP
```
    Create or delete a chunk skip index.
    
    See Also:
    
    Constant Field Values
  - GEOSPATIAL
```
public static final String GEOSPATIAL
```
    Create or delete a geospatial index
    
    See Also:
    
    Constant Field Values
  - CAGRA
```
public static final String CAGRA
```
    Create or delete a CAGRA index on a vector column
    
    See Also:
    
    Constant Field Values
  - HNSW
```
public static final String HNSW
```
    Create or delete an HNSW index on a vector column
    
    See Also:
    
    Constant Field Values
  - INDEX_OPTIONS
```
public static final String INDEX_OPTIONS
```
    Options to use when creating an index, in the format "key: value [, key: value [, ...]]". Valid options vary by index type.
    
    See Also:
    
    Constant Field Values

Class AlterTableRequest.Options

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

ACTION

COLUMN_NAME

TABLE_NAME

COLUMN_DEFAULT_VALUE

COLUMN_PROPERTIES

COLUMN_TYPE

COPY_VALUES_FROM_COLUMN

RENAME_COLUMN

VALIDATE_CHANGE_COLUMN

TRUE

FALSE

UPDATE_LAST_ACCESS_TIME

ADD_COLUMN_EXPRESSION

STRATEGY_DEFINITION

INDEX_TYPE

COLUMN

LOW_CARDINALITY

CHUNK_SKIP

GEOSPATIAL

CAGRA

HNSW

INDEX_OPTIONS