Files
souvenir/db/schema.go
T
Radu Macocian (admac) e57b8f428e Added streaming
2026-06-27 22:06:06 +02:00

45 lines
1.6 KiB
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package db
const MessageTableScript = `
CREATE TABLE IF NOT EXISTS messages (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
role TEXT NOT NULL,
seq INTEGER NOT NULL,
content TEXT NOT NULL,
conversation_id UUID NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
tsv tsvector generated always as (to_tsvector('english', content)) stored,
UNIQUE (conversation_id, seq)
);
CREATE INDEX on messages using gin (tsv);
CREATE INDEX on messages (conversation_id, seq);
`
const ConversationTableScript = `
CREATE TABLE IF NOT EXISTS conversations (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
title TEXT,
title_source TEXT,
summary TEXT,
summary_through_seq int default 0,
created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT now()
)`
const MessageChunkTableScript = `
CREATE TABLE IF NOT EXISTS message_chunks (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
conversation_id UUID NOT NULL REFERENCES conversations(id) ON DELETE CASCADE,
message_id UUID NOT NULL REFERENCES messages(id) ON DELETE CASCADE,
content TEXT NOT NULL,
content_hash TEXT NOT NULL,
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
)`
const CreateVectorTableTemplate = `
CREATE TABLE IF NOT EXISTS %s (
chunk_id UUID PRIMARY KEY REFERENCES message_chunks(id) ON DELETE CASCADE,
embedding vector(%d),
content_hash text not null,
created_at TIMESTAMPTZ NOT NULL DEFAULT now()
)`