Constant CREATE_VISIBILITY_TABLE 

pub const CREATE_VISIBILITY_TABLE: &str = "
CREATE TABLE IF NOT EXISTS visibility (
    workflow_id TEXT PRIMARY KEY,
    run_id TEXT NOT NULL,
    workflow_type TEXT NOT NULL,
    status TEXT NOT NULL,
    start_time TEXT NOT NULL,
    close_time TEXT,
    search_attributes TEXT NOT NULL CHECK (json_valid(search_attributes))
)";

Workflow visibility projection table.