Squashed 'components/rfs/' content from commit 9808a5e

git-subtree-dir: components/rfs
git-subtree-split: 9808a5e9fc768edc7d8b1dfa5b91b3f018dff0cb

rfs/schema/schema.sql

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+-- inode table and main entrypoint of the schema
+CREATE TABLE IF NOT EXISTS inode (
+    ino INTEGER PRIMARY KEY AUTOINCREMENT,
+    parent INTEGER,
+    name VARCHAR(255),
+    size INTEGER,
+    uid INTEGER,
+    gid INTEGER,
+    mode INTEGER,
+    rdev INTEGER,
+    ctime INTEGER,
+    mtime INTEGER
+);
+
+CREATE INDEX IF NOT EXISTS parents ON inode (parent);
+CREATE INDEX IF NOT EXISTS names ON inode (name);
+
+-- extra data for each inode for special types (say link targets)
+CREATE TABLE IF NOT EXISTS extra (
+    ino INTEGER PRIMARY KEY,
+    data VARCHAR(4096)
+);
+
+-- blocks per file, order of insertion is important
+CREATE TABLE IF NOT EXISTS block (
+    ino INTEGER,
+    id VARCHAR(32),
+    key VARCHAR(32)
+);
+
+CREATE INDEX IF NOT EXISTS block_ino ON block (ino);
+
+-- global flist tags, this can include values like `version`, `description`, `block-size`, etc..
+-- it can also hold extra user-defined tags for extensions
+CREATE TABLE IF NOT EXISTS tag (
+    key VARCHAR(10) PRIMARY KEY,
+    value VARCHAR(255)
+);
+
+-- routing table define ranges where blobs can be found. This allows "sharding" by be able to retrieve
+-- blobs from different partitions using the prefix range (hashes that are )
+CREATE TABLE IF NOT EXISTS route (
+    start integer, -- one byte hash prefix
+    end integer, -- one byte hash prefix
+    url VARCHAR(2048)
+);