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cache.ts — drizzle-orm Source File

Architecture documentation for cache.ts, a typescript file in the drizzle-orm codebase. 5 imports, 0 dependents.

File typescript DrizzleORM RelationalQuery 5 imports 1 functions 1 classes

Entity Profile

Dependency Diagram

graph LR
  44f92f64_5c49_a0a8_3c18_2e6651af97f8["cache.ts"]
  ce81fb60_5bfe_1801_89bb_8ae88028a0a7["types.ts"]
  44f92f64_5c49_a0a8_3c18_2e6651af97f8 --> ce81fb60_5bfe_1801_89bb_8ae88028a0a7
  1df08b50_d0c9_9907_3375_c15cb3325c69["redis"]
  44f92f64_5c49_a0a8_3c18_2e6651af97f8 --> 1df08b50_d0c9_9907_3375_c15cb3325c69
  363fdd67_2503_7ef7_e1f3_a1ef31694431["index.ts"]
  44f92f64_5c49_a0a8_3c18_2e6651af97f8 --> 363fdd67_2503_7ef7_e1f3_a1ef31694431
  27705a9d_afe9_57dd_8c97_e52d8a67d426["entity.ts"]
  44f92f64_5c49_a0a8_3c18_2e6651af97f8 --> 27705a9d_afe9_57dd_8c97_e52d8a67d426
  6edbc86d_00ec_e1a9_d845_ab84f4882062["index.ts"]
  44f92f64_5c49_a0a8_3c18_2e6651af97f8 --> 6edbc86d_00ec_e1a9_d845_ab84f4882062
  style 44f92f64_5c49_a0a8_3c18_2e6651af97f8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import { Redis } from '@upstash/redis';
import type { MutationOption } from '~/cache/core/index.ts';
import { Cache } from '~/cache/core/index.ts';
import { entityKind, is } from '~/entity.ts';
import { OriginalName, Table } from '~/index.ts';
import type { CacheConfig } from '../core/types.ts';

const getByTagScript = `
local tagsMapKey = KEYS[1] -- tags map key
local tag        = ARGV[1] -- tag

local compositeTableName = redis.call('HGET', tagsMapKey, tag)
if not compositeTableName then
  return nil
end

local value = redis.call('HGET', compositeTableName, tag)
return value
`;

const onMutateScript = `
local tagsMapKey = KEYS[1] -- tags map key
local tables     = {}      -- initialize tables array
local tags       = ARGV    -- tags array

for i = 2, #KEYS do
  tables[#tables + 1] = KEYS[i] -- add all keys except the first one to tables
end

if #tags > 0 then
  for _, tag in ipairs(tags) do
    if tag ~= nil and tag ~= '' then
      local compositeTableName = redis.call('HGET', tagsMapKey, tag)
      if compositeTableName then
        redis.call('HDEL', compositeTableName, tag)
      end
    end
  end
  redis.call('HDEL', tagsMapKey, unpack(tags))
end

local keysToDelete = {}

if #tables > 0 then
  local compositeTableNames = redis.call('SUNION', unpack(tables))
  for _, compositeTableName in ipairs(compositeTableNames) do
    keysToDelete[#keysToDelete + 1] = compositeTableName
  end
  for _, table in ipairs(tables) do
    keysToDelete[#keysToDelete + 1] = table
  end
  redis.call('DEL', unpack(keysToDelete))
end
`;

type Script = ReturnType<Redis['createScript']>;

type ExpireOptions = 'NX' | 'nx' | 'XX' | 'xx' | 'GT' | 'gt' | 'LT' | 'lt';

export class UpstashCache extends Cache {
// ... (154 more lines)

Domain

Subdomains

Functions

Classes

Types

Dependencies

Source

Frequently Asked Questions

What does cache.ts do?
cache.ts is a source file in the drizzle-orm codebase, written in typescript. It belongs to the DrizzleORM domain, RelationalQuery subdomain.
What functions are defined in cache.ts?
cache.ts defines 1 function(s): upstashCache.
What does cache.ts depend on?
cache.ts imports 5 module(s): entity.ts, index.ts, index.ts, redis, types.ts.
Where is cache.ts in the architecture?
cache.ts is located at drizzle-orm/src/cache/upstash/cache.ts (domain: DrizzleORM, subdomain: RelationalQuery, directory: drizzle-orm/src/cache/upstash).

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