File size: 6,694 Bytes
3e05655 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | import { Database } from "bun:sqlite"
import { drizzle } from "drizzle-orm/bun-sqlite"
import * as Context from "effect/Context"
import * as Effect from "effect/Effect"
import * as Fiber from "effect/Fiber"
import { identity } from "effect/Function"
import * as Layer from "effect/Layer"
import * as Scope from "effect/Scope"
import * as Semaphore from "effect/Semaphore"
import * as Stream from "effect/Stream"
import * as Reactivity from "effect/unstable/reactivity/Reactivity"
import * as Client from "effect/unstable/sql/SqlClient"
import type { Connection } from "effect/unstable/sql/SqlConnection"
import { classifySqliteError, SqlError } from "effect/unstable/sql/SqlError"
import * as Statement from "effect/unstable/sql/Statement"
import { Sqlite } from "./sqlite"
const ATTR_DB_SYSTEM_NAME = "db.system.name"
const TypeId = "~@opencode-ai/core/database/SqliteBun" as const
type TypeId = typeof TypeId
interface SqliteClient extends Client.SqlClient {
readonly [TypeId]: TypeId
readonly config: Config
readonly export: Effect.Effect<Uint8Array, SqlError>
readonly loadExtension: (path: string) => Effect.Effect<void, SqlError>
readonly updateValues: never
}
interface Config {
readonly filename: string
readonly readonly?: boolean
readonly create?: boolean
readonly readwrite?: boolean
readonly disableWAL?: boolean
readonly spanAttributes?: Record<string, unknown>
readonly transformResultNames?: (str: string) => string
readonly transformQueryNames?: (str: string) => string
}
interface SqliteConnection extends Connection {
readonly export: Effect.Effect<Uint8Array, SqlError>
readonly loadExtension: (path: string) => Effect.Effect<void, SqlError>
}
const make = (options: Config) =>
Effect.gen(function* () {
const native = (yield* Sqlite.Native) as Database
const compiler = Statement.makeCompilerSqlite(options.transformQueryNames)
const transformRows = options.transformResultNames
? Statement.defaultTransforms(options.transformResultNames).array
: undefined
const run = (query: string, params: ReadonlyArray<unknown> = []) =>
Effect.withFiber<Array<Record<string, unknown>>, SqlError>((fiber) => {
const statement = native.query(query)
// @ts-ignore bun-types missing safeIntegers method, fixed in https://github.com/oven-sh/bun/pull/26627
statement.safeIntegers(Context.get(fiber.context, Client.SafeIntegers))
try {
return Effect.succeed((statement.all(...(params as any)) ?? []) as Array<Record<string, unknown>>)
} catch (cause) {
return Effect.fail(
new SqlError({
reason: classifySqliteError(cause, { message: "Failed to execute statement", operation: "execute" }),
}),
)
}
})
const runValues = (query: string, params: ReadonlyArray<unknown> = []) =>
Effect.withFiber<Array<unknown[]>, SqlError>((fiber) => {
const statement = native.query(query)
// @ts-ignore bun-types missing safeIntegers method, fixed in https://github.com/oven-sh/bun/pull/26627
statement.safeIntegers(Context.get(fiber.context, Client.SafeIntegers))
try {
return Effect.succeed((statement.values(...(params as any)) ?? []) as Array<unknown[]>)
} catch (cause) {
return Effect.fail(
new SqlError({
reason: classifySqliteError(cause, { message: "Failed to execute statement", operation: "execute" }),
}),
)
}
})
const connection = identity<SqliteConnection>({
execute(query, params, transformRows) {
return transformRows ? Effect.map(run(query, params), transformRows) : run(query, params)
},
executeRaw(query, params) {
return run(query, params)
},
executeValues(query, params) {
return runValues(query, params)
},
executeUnprepared(query, params, transformRows) {
return this.execute(query, params, transformRows)
},
executeStream() {
return Stream.die("executeStream not implemented")
},
export: Effect.try({
try: () => native.serialize(),
catch: (cause) =>
new SqlError({
reason: classifySqliteError(cause, { message: "Failed to export database", operation: "export" }),
}),
}),
loadExtension: (path) =>
Effect.try({
try: () => native.loadExtension(path),
catch: (cause) =>
new SqlError({
reason: classifySqliteError(cause, { message: "Failed to load extension", operation: "loadExtension" }),
}),
}),
})
const semaphore = yield* Semaphore.make(1)
const acquirer = semaphore.withPermits(1)(Effect.succeed(connection))
const transactionAcquirer = Effect.uninterruptibleMask((restore) => {
const fiber = Fiber.getCurrent()!
const scope = Context.getUnsafe(fiber.context, Scope.Scope)
return Effect.as(
Effect.tap(restore(semaphore.take(1)), () => Scope.addFinalizer(scope, semaphore.release(1))),
connection,
)
})
const client = Object.assign(
(yield* Client.make({
acquirer,
compiler,
transactionAcquirer,
spanAttributes: [
...(options.spanAttributes ? Object.entries(options.spanAttributes) : []),
[ATTR_DB_SYSTEM_NAME, "sqlite"],
],
transformRows,
})) as SqliteClient,
{
[TypeId]: TypeId,
config: options,
export: Effect.flatMap(acquirer, (_) => _.export),
loadExtension: (path: string) => Effect.flatMap(acquirer, (_) => _.loadExtension(path)),
},
)
return client
})
const nativeLayer = (config: Config) =>
Layer.effect(
Sqlite.Native,
Effect.gen(function* () {
const native = new Database(config.filename, {
readonly: config.readonly,
readwrite: config.readwrite ?? true,
create: config.create ?? true,
})
yield* Effect.addFinalizer(() => Effect.sync(() => native.close()))
if (config.disableWAL !== true) native.run("PRAGMA journal_mode = WAL;")
return native
}),
)
const sqliteLayer = (config: Config) => Layer.effect(Client.SqlClient, make(config))
const drizzleLayer = Layer.effect(
Sqlite.Drizzle,
Effect.gen(function* () {
return drizzle({ client: (yield* Sqlite.Native) as Database })
}),
)
export const layer = (config: Config) => {
const native = nativeLayer(config)
return Layer.merge(native, Layer.merge(sqliteLayer(config), drizzleLayer).pipe(Layer.provide(native))).pipe(
Layer.provide(Reactivity.layer),
)
}
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