Class LIST

Base class for all data types

Hierarchy (View Summary)

AbstractDataType
- LIST

Index

Constructors

Properties

Methods

toSQL toSql equals serialize toSqlString getElementType

Constructors

constructor

new LIST(type: AbstractDataType): LIST
Create a LIST data type
Parameters
- type: AbstractDataType
  The data type of list elements
Returns LIST
Example
```
// List of integers (DuckDB: INTEGER[])
tags: DataTypes.LIST(DataTypes.INTEGER)
// Nested list (DuckDB: VARCHAR[][])
matrix: DataTypes.LIST(DataTypes.LIST(DataTypes.VARCHAR))
```
Overrides AbstractDataType.constructor
- Defined in models/data-types.ts:1586

Properties

key

key: "LIST" = ...

type

type: AbstractDataType

The element type of the list (e.g., STRING, INTEGER, another LIST, etc.)

Methods

toSQL

toSQL(): string
Returns string
Inherited from AbstractDataType.toSQL
- Defined in models/data-types.ts:18

toSql

toSql(): string
Returns string
Inherited from AbstractDataType.toSql
- Defined in models/data-types.ts:23

equals

equals(other: DataTypeAbstract): boolean
Compare this DataType with another DataType for equality
Parameters
- other: DataTypeAbstract
  The DataType to compare with
Returns boolean
true if the types are equal, false otherwise
Inherited from AbstractDataType.equals
- Defined in models/data-types.ts:32

serialize

serialize(value: unknown): unknown
Serialize a value for storage based on this DataType
Parameters
- value: unknown
  The value to serialize
Returns unknown
The serialized value
Inherited from AbstractDataType.serialize
- Defined in models/data-types.ts:44

toSqlString

toSqlString(dialect?: string): string
Get the SQL string representation based on the dialect DuckDB/PostgreSQL: native elementType[] syntax Other dialects: falls back to JSON or TEXT
Parameters
- Optionaldialect: string
Returns string
Overrides AbstractDataType.toSqlString
- Defined in models/data-types.ts:1596

getElementType

getElementType(): AbstractDataType
Get the element type

Returns AbstractDataType
- Defined in models/data-types.ts:1617