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Start work on storing channel buffers

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Max Brunsfeld 2023-08-21 12:00:43 -07:00 • committed by Mikayla
parent 29e43384f0
commit ff5035ea37
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16 changed files with 484 additions and 4 deletions
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27
crates/collab/migrations.sqlite/20221109000000_test_schema.sql
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@ -189,7 +189,8 @@ CREATE INDEX "index_followers_on_room_id" ON "followers" ("room_id");
CREATE TABLE "channels" (
"id" INTEGER PRIMARY KEY AUTOINCREMENT,
"name" VARCHAR NOT NULL,
"created_at" TIMESTAMP NOT NULL DEFAULT now
"created_at" TIMESTAMP NOT NULL DEFAULT now,
"main_buffer_id" INTEGER REFERENCES buffers (id)
);
CREATE TABLE "channel_paths" (
@ -208,3 +209,27 @@ CREATE TABLE "channel_members" (
);
CREATE UNIQUE INDEX "index_channel_members_on_channel_id_and_user_id" ON "channel_members" ("channel_id", "user_id");
CREATE TABLE "buffers" (
"id" INTEGER PRIMARY KEY AUTOINCREMENT,
"epoch" INTEGER NOT NULL DEFAULT 0
);
CREATE TABLE "buffer_operations" (
"buffer_id" INTEGER NOT NULL REFERENCES buffers (id) ON DELETE CASCADE,
"epoch" INTEGER NOT NULL,
"replica_id" INTEGER NOT NULL,
"lamport_timestamp" INTEGER NOT NULL,
"local_timestamp" INTEGER NOT NULL,
"version" BLOB NOT NULL,
"is_undo" BOOLEAN NOT NULL,
"value" BLOB NOT NULL,
PRIMARY KEY(buffer_id, epoch, lamport_timestamp, replica_id)
);
CREATE TABLE "buffer_snapshots" (
"buffer_id" INTEGER NOT NULL REFERENCES buffers (id) ON DELETE CASCADE,
"epoch" INTEGER NOT NULL,
"text" TEXT NOT NULL,
PRIMARY KEY(buffer_id, epoch)
);