mirror of
https://github.com/lancedb/lancedb.git
synced 2025-12-27 15:12:53 +00:00
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
// Copyright 2023 LanceDB Developers.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
export type Literal = string | number | boolean | null | Date | Literal[]
|
|
|
|
export function toSQL (value: Literal): string {
|
|
if (typeof value === 'string') {
|
|
return `'${value}'`
|
|
}
|
|
|
|
if (typeof value === 'number') {
|
|
return value.toString()
|
|
}
|
|
|
|
if (typeof value === 'boolean') {
|
|
return value ? 'TRUE' : 'FALSE'
|
|
}
|
|
|
|
if (value === null) {
|
|
return 'NULL'
|
|
}
|
|
|
|
if (value instanceof Date) {
|
|
return `'${value.toISOString()}'`
|
|
}
|
|
|
|
if (Array.isArray(value)) {
|
|
return `[${value.map(toSQL).join(', ')}]`
|
|
}
|
|
|
|
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
|
|
throw new Error(`Unsupported value type: ${typeof value} value: (${value})`)
|
|
}
|