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PRAGMA journal_mode = WAL;
PRAGMA busy_timeout = 5000;
PRAGMA synchronous = NORMAL;
PRAGMA cache_size = 1000000000;
PRAGMA foreign_keys = true;
PRAGMA temp_store = memory;
CREATE TABLE IF NOT EXISTS polls (
id TEXT PRIMARY KEY DEFAULT (lower(hex(randomblob(4))) || '-' ||
substr(lower(hex(randomblob(2))), 1, 4) || '-' ||
substr('4' || substr(lower(hex(randomblob(2))), 2, 3), 1, 4) || '-' ||
substr(hex((random() & 0x3fff) | 0x8000), 1, 4) || '-' ||
lower(hex(randomblob(6)))),
title TEXT NOT NULL,
description TEXT,
pub_date TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
author_name TEXT NOT NULL,
author_email TEXT,
manage_code TEXT DEFAULT (lower(hex(randomblob(4))) || '-' ||
substr(lower(hex(randomblob(2))), 1, 4) || '-' ||
substr('4' || substr(lower(hex(randomblob(2))), 2, 3), 1, 4) || '-' ||
substr(hex((random() & 0x3fff) | 0x8000), 1, 4) || '-' ||
lower(hex(randomblob(6)))),
whole_day BOOLEAN NOT NULL
);
CREATE TABLE IF NOT EXISTS choices (
id TEXT PRIMARY KEY DEFAULT (lower(hex(randomblob(4))) || '-' ||
substr(lower(hex(randomblob(2))), 1, 4) || '-' ||
substr('4' || substr(lower(hex(randomblob(2))), 2, 3), 1, 4) || '-' ||
substr(hex((random() & 0x3fff) | 0x8000), 1, 4) || '-' ||
lower(hex(randomblob(6)))),
poll_id TEXT NOT NULL,
start_datetime TIMESTAMP NOT NULL,
end_datetime TIMESTAMP NOT NULL,
FOREIGN KEY (poll_id) REFERENCES polls (id) ON DELETE CASCADE
);
CREATE TABLE IF NOT EXISTS votes (
id TEXT PRIMARY KEY DEFAULT (lower(hex(randomblob(4))) || '-' ||
substr(lower(hex(randomblob(2))), 1, 4) || '-' ||
substr('4' || substr(lower(hex(randomblob(2))), 2, 3), 1, 4) || '-' ||
substr(hex((random() & 0x3fff) | 0x8000), 1, 4) || '-' ||
lower(hex(randomblob(6)))),
manage_code TEXT DEFAULT (lower(hex(randomblob(4))) || '-' ||
substr(lower(hex(randomblob(2))), 1, 4) || '-' ||
substr('4' || substr(lower(hex(randomblob(2))), 2, 3), 1, 4) || '-' ||
substr(hex((random() & 0x3fff) | 0x8000), 1, 4) || '-' ||
lower(hex(randomblob(6)))),
poll_id TEXT NOT NULL,
choice_id TEXT NOT NULL,
voter_name TEXT NOT NULL,
value INTEGER NOT NULL,
UNIQUE (poll_id, choice_id, voter_name),
FOREIGN KEY (choice_id) REFERENCES choices (id) ON DELETE CASCADE,
FOREIGN KEY (poll_id) REFERENCES polls (id) ON DELETE CASCADE
);
CREATE INDEX IF NOT EXISTS idx_votes_poll_id_voter_name ON votes (poll_id, voter_name);
CREATE INDEX IF NOT EXISTS idx_choices_poll_id_start_datetime ON choices (poll_id, start_datetime);
CREATE INDEX IF NOT EXISTS idx_votes_choice_id ON votes (choice_id);
CREATE INDEX IF NOT EXISTS idx_votes_manage_code ON votes (manage_code);
CREATE INDEX IF NOT EXISTS idx_polls_manage_code_pub_date ON polls (manage_code, pub_date);
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