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core/server/database/migrations/sqlite/006_knowledge.sql
2026-03-04 16:06:12 +00:00

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SQL

-- Chat Switchboard — 006 Knowledge Bases (SQLite)
CREATE TABLE IF NOT EXISTS knowledge_bases (
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
description TEXT NOT NULL DEFAULT '',
scope TEXT NOT NULL DEFAULT 'global',
owner_id TEXT REFERENCES users(id) ON DELETE CASCADE,
team_id TEXT REFERENCES teams(id) ON DELETE CASCADE,
embedding_config TEXT NOT NULL DEFAULT '{}',
document_count INTEGER NOT NULL DEFAULT 0,
chunk_count INTEGER NOT NULL DEFAULT 0,
total_bytes INTEGER NOT NULL DEFAULT 0,
status TEXT NOT NULL DEFAULT 'active',
discoverable INTEGER NOT NULL DEFAULT 1,
created_at TEXT NOT NULL DEFAULT (datetime('now')),
updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);
CREATE INDEX IF NOT EXISTS idx_kb_scope ON knowledge_bases(scope);
CREATE INDEX IF NOT EXISTS idx_kb_owner ON knowledge_bases(owner_id);
CREATE INDEX IF NOT EXISTS idx_kb_team ON knowledge_bases(team_id);
CREATE TABLE IF NOT EXISTS kb_documents (
id TEXT PRIMARY KEY,
kb_id TEXT NOT NULL REFERENCES knowledge_bases(id) ON DELETE CASCADE,
filename TEXT NOT NULL,
content_type TEXT NOT NULL,
size_bytes INTEGER NOT NULL,
storage_key TEXT NOT NULL,
extracted_text TEXT,
chunk_count INTEGER NOT NULL DEFAULT 0,
status TEXT NOT NULL DEFAULT 'pending',
error TEXT,
uploaded_by TEXT NOT NULL REFERENCES users(id),
created_at TEXT NOT NULL DEFAULT (datetime('now')),
updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);
CREATE INDEX IF NOT EXISTS idx_kbdoc_kb ON kb_documents(kb_id);
CREATE TABLE IF NOT EXISTS kb_chunks (
id TEXT PRIMARY KEY,
kb_id TEXT NOT NULL REFERENCES knowledge_bases(id) ON DELETE CASCADE,
document_id TEXT NOT NULL REFERENCES kb_documents(id) ON DELETE CASCADE,
chunk_index INTEGER NOT NULL,
content TEXT NOT NULL,
token_count INTEGER NOT NULL DEFAULT 0,
metadata TEXT NOT NULL DEFAULT '{}',
created_at TEXT NOT NULL DEFAULT (datetime('now'))
);
CREATE INDEX IF NOT EXISTS idx_kbchunk_kb ON kb_chunks(kb_id);
CREATE INDEX IF NOT EXISTS idx_kbchunk_doc ON kb_chunks(document_id);
CREATE TABLE IF NOT EXISTS channel_knowledge_bases (
channel_id TEXT NOT NULL REFERENCES channels(id) ON DELETE CASCADE,
kb_id TEXT NOT NULL REFERENCES knowledge_bases(id) ON DELETE CASCADE,
enabled INTEGER NOT NULL DEFAULT 1,
added_at TEXT NOT NULL DEFAULT (datetime('now')),
PRIMARY KEY (channel_id, kb_id)
);
CREATE TABLE IF NOT EXISTS persona_knowledge_bases (
persona_id TEXT NOT NULL REFERENCES personas(id) ON DELETE CASCADE,
kb_id TEXT NOT NULL REFERENCES knowledge_bases(id) ON DELETE CASCADE,
auto_search INTEGER NOT NULL DEFAULT 0,
added_at TEXT NOT NULL DEFAULT (datetime('now')),
PRIMARY KEY (persona_id, kb_id)
);
CREATE INDEX IF NOT EXISTS idx_persona_kb_persona ON persona_knowledge_bases(persona_id);
CREATE INDEX IF NOT EXISTS idx_persona_kb_kb ON persona_knowledge_bases(kb_id);