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Minor SQL cleanups.

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akwizgran
2011-11-16 18:28:34 +00:00
parent 4da7a685cd
commit 031aa53dc7
1 changed files with 13 additions and 15 deletions
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28
components/net/sf/briar/db/JdbcDatabase.java
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@@ -177,8 +177,7 @@ abstract class JdbcDatabase implements Database<Connection> {
"CREATE TABLE transports"
+ " (transportId HASH NOT NULL,"
+ " index COUNTER,"
+ " UNIQUE(transportId),"
+ " PRIMARY KEY (transportId, index))";
+ " PRIMARY KEY (transportId))";
private static final String CREATE_TRANSPORT_CONFIGS =
"CREATE TABLE transportConfigs"
@@ -199,9 +198,8 @@ abstract class JdbcDatabase implements Database<Connection> {
+ " (contactId INT NOT NULL,"
+ " transportId HASH NOT NULL,"
+ " index INT NOT NULL,"
+ " UNIQUE (contactId, transportId),"
+ " UNIQUE (contactId, index),"
+ " PRIMARY KEY (contactId, transportId, index),"
+ " PRIMARY KEY (contactId, transportId),"
+ " FOREIGN KEY (contactId) REFERENCES contacts (contactId)"
+ " ON DELETE CASCADE)";
@@ -215,8 +213,8 @@ abstract class JdbcDatabase implements Database<Connection> {
+ " FOREIGN KEY (contactId) REFERENCES contacts (contactId)"
+ " ON DELETE CASCADE)";
private static final String CREATE_CONNECTIONS =
"CREATE TABLE connections"
private static final String CREATE_CONNECTION_CONTEXTS =
"CREATE TABLE connectionContexts"
+ " (contactId INT NOT NULL,"
+ " index INT NOT NULL,"
+ " connection BIGINT NOT NULL,"
@@ -229,9 +227,9 @@ abstract class JdbcDatabase implements Database<Connection> {
"CREATE TABLE connectionWindows"
+ " (contactId INT NOT NULL,"
+ " index INT NOT NULL,"
+ " unseen BIGINT NOT NULL,"
+ " connection BIGINT NOT NULL,"
+ " secret SECRET NOT NULL,"
+ " PRIMARY KEY (contactId, index, unseen),"
+ " PRIMARY KEY (contactId, index, connection),"
+ " FOREIGN KEY (contactId) REFERENCES contacts (contactId)"
+ " ON DELETE CASCADE)";
@@ -347,7 +345,7 @@ abstract class JdbcDatabase implements Database<Connection> {
s.executeUpdate(insertTypeNames(CREATE_TRANSPORT_PROPS));
s.executeUpdate(insertTypeNames(CREATE_CONTACT_TRANSPORTS));
s.executeUpdate(insertTypeNames(CREATE_CONTACT_TRANSPORT_PROPS));
s.executeUpdate(insertTypeNames(CREATE_CONNECTIONS));
s.executeUpdate(insertTypeNames(CREATE_CONNECTION_CONTEXTS));
s.executeUpdate(insertTypeNames(CREATE_CONNECTION_WINDOWS));
s.executeUpdate(insertTypeNames(CREATE_SUBSCRIPTION_TIMESTAMPS));
s.executeUpdate(insertTypeNames(CREATE_TRANSPORT_TIMESTAMPS));
@@ -544,7 +542,7 @@ abstract class JdbcDatabase implements Database<Connection> {
if(affected != 1) throw new DbStateException();
ps.close();
// Initialise the outgoing connection contexts for all transports
sql = "INSERT INTO connections"
sql = "INSERT INTO connectionContexts"
+ " (contactId, index, connection, secret)"
+ " VALUES (?, ?, ZERO(), ?)";
ps = txn.prepareStatement(sql);
@@ -568,7 +566,7 @@ abstract class JdbcDatabase implements Database<Connection> {
ps.close();
// Initialise the incoming connection windows for all transports
sql = "INSERT INTO connectionWindows"
+ " (contactId, index, unseen, secret)"
+ " (contactId, index, connection, secret)"
+ " VALUES (?, ?, ?, ?)";
ps = txn.prepareStatement(sql);
ps.setInt(1, c.getInt());
@@ -947,7 +945,7 @@ abstract class JdbcDatabase implements Database<Connection> {
ResultSet rs = null;
try {
// Retrieve the current context
String sql = "SELECT connection, secret FROM connections"
String sql = "SELECT connection, secret FROM connectionContexts"
+ " WHERE contactId = ? AND index = ?";
ps = txn.prepareStatement(sql);
ps.setInt(1, c.getInt());
@@ -968,7 +966,7 @@ abstract class JdbcDatabase implements Database<Connection> {
connection + 1, secret);
byte[] nextSecret = next.getSecret();
erase.add(nextSecret);
sql = "UPDATE connections"
sql = "UPDATE connectionContexts"
+ " SET connection = connection + 1, secret = ?"
+ " WHERE contactId = ? AND index = ?";
ps = txn.prepareStatement(sql);
@@ -991,7 +989,7 @@ abstract class JdbcDatabase implements Database<Connection> {
PreparedStatement ps = null;
ResultSet rs = null;
try {
String sql = "SELECT unseen, secret FROM connectionWindows"
String sql = "SELECT connection, secret FROM connectionWindows"
+ " WHERE contactId = ? AND index = ?";
ps = txn.prepareStatement(sql);
ps.setInt(1, c.getInt());
@@ -2152,7 +2150,7 @@ abstract class JdbcDatabase implements Database<Connection> {
ps.close();
// Store the new connection window
sql = "INSERT INTO connectionWindows"
+ " (contactId, index, unseen, secret)"
+ " (contactId, index, connection, secret)"
+ " VALUES(?, ?, ?, ?)";
ps = txn.prepareStatement(sql);
ps.setInt(1, c.getInt());