#792 DataSource: when creating registrationDate column, set all rows to the current date

This commit is contained in:
ljacqu 2017-10-20 21:31:58 +02:00
parent a425eacf2d
commit b5ea48085c
2 changed files with 56 additions and 24 deletions

View File

@ -97,7 +97,7 @@ public class MySQL implements DataSource {
this.tableName = settings.getProperty(DatabaseSettings.MYSQL_TABLE);
this.columnOthers = settings.getProperty(HooksSettings.MYSQL_OTHER_USERNAME_COLS);
this.col = new Columns(settings);
sqlExtension = extensionsFactory.buildExtension(col);
this.sqlExtension = extensionsFactory.buildExtension(col);
this.poolSize = settings.getProperty(DatabaseSettings.MYSQL_POOL_SIZE);
if (poolSize == -1) {
poolSize = Utils.getCoreCount() * 3;
@ -199,12 +199,11 @@ public class MySQL implements DataSource {
st.executeUpdate("ALTER TABLE " + tableName
+ " ADD COLUMN " + col.LAST_LOGIN + " BIGINT;");
} else {
migrateLastLoginColumn(con, md);
migrateLastLoginColumn(st, md);
}
if (isColumnMissing(md, col.REGISTRATION_DATE)) {
st.executeUpdate("ALTER TABLE " + tableName
+ " ADD COLUMN " + col.REGISTRATION_DATE + " BIGINT NOT NULL;");
addRegistrationDateColumn(st);
}
if (isColumnMissing(md, col.REGISTRATION_IP)) {
@ -735,12 +734,10 @@ public class MySQL implements DataSource {
/**
* Checks if the last login column has a type that needs to be migrated.
*
* @param con connection to the database
* @param st Statement object to the database
* @param metaData lastlogin column meta data
*
* @throws SQLException .
*/
private void migrateLastLoginColumn(Connection con, DatabaseMetaData metaData) throws SQLException {
private void migrateLastLoginColumn(Statement st, DatabaseMetaData metaData) throws SQLException {
final int columnType;
try (ResultSet rs = metaData.getColumns(null, null, tableName, col.LAST_LOGIN)) {
if (!rs.next()) {
@ -751,68 +748,85 @@ public class MySQL implements DataSource {
}
if (columnType == Types.TIMESTAMP) {
migrateLastLoginColumnFromTimestamp(con);
migrateLastLoginColumnFromTimestamp(st);
} else if (columnType == Types.INTEGER) {
migrateLastLoginColumnFromInt(con);
migrateLastLoginColumnFromInt(st);
}
}
/**
* Performs conversion of lastlogin column from timestamp type to bigint.
*
* @param con connection to the database
* @param st Statement object to the database
* @see <a href="https://github.com/AuthMe/AuthMeReloaded/issues/477">#477</a>
*/
private void migrateLastLoginColumnFromTimestamp(Connection con) throws SQLException {
private void migrateLastLoginColumnFromTimestamp(Statement st) throws SQLException {
ConsoleLogger.info("Migrating lastlogin column from timestamp to bigint");
final String lastLoginOld = col.LAST_LOGIN + "_old";
// Rename lastlogin to lastlogin_old
String sql = String.format("ALTER TABLE %s CHANGE COLUMN %s %s BIGINT",
tableName, col.LAST_LOGIN, lastLoginOld);
try (PreparedStatement pst = con.prepareStatement(sql)) {
pst.execute();
}
st.execute(sql);
// Create lastlogin column
sql = String.format("ALTER TABLE %s ADD COLUMN %s "
+ "BIGINT NOT NULL DEFAULT 0 AFTER %s",
tableName, col.LAST_LOGIN, col.LAST_IP);
con.prepareStatement(sql).execute();
st.execute(sql);
// Set values of lastlogin based on lastlogin_old
sql = String.format("UPDATE %s SET %s = UNIX_TIMESTAMP(%s) * 1000",
tableName, col.LAST_LOGIN, lastLoginOld);
con.prepareStatement(sql).execute();
st.execute(sql);
// Drop lastlogin_old
sql = String.format("ALTER TABLE %s DROP COLUMN %s",
tableName, lastLoginOld);
con.prepareStatement(sql).execute();
st.execute(sql);
ConsoleLogger.info("Finished migration of lastlogin (timestamp to bigint)");
}
/**
* Performs conversion of lastlogin column from int to bigint.
*
* @param con connection to the database
* @param st Statement object to the database
* @see <a href="https://github.com/AuthMe/AuthMeReloaded/issues/887">
* #887: Migrate lastlogin column from int32 to bigint</a>
*/
private void migrateLastLoginColumnFromInt(Connection con) throws SQLException {
private void migrateLastLoginColumnFromInt(Statement st) throws SQLException {
// Change from int to bigint
ConsoleLogger.info("Migrating lastlogin column from int to bigint");
String sql = String.format("ALTER TABLE %s MODIFY %s BIGINT;", tableName, col.LAST_LOGIN);
con.prepareStatement(sql).execute();
st.execute(sql);
// Migrate timestamps in seconds format to milliseconds format if they are plausible
int rangeStart = 1262304000; // timestamp for 2010-01-01
int rangeEnd = 1514678400; // timestamp for 2017-12-31
sql = String.format("UPDATE %s SET %s = %s * 1000 WHERE %s > %d AND %s < %d;",
tableName, col.LAST_LOGIN, col.LAST_LOGIN, col.LAST_LOGIN, rangeStart, col.LAST_LOGIN, rangeEnd);
int changedRows = con.prepareStatement(sql).executeUpdate();
int changedRows = st.executeUpdate(sql);
ConsoleLogger.warning("You may have entries with invalid timestamps. Please check your data "
+ "before purging. " + changedRows + " rows were migrated from seconds to milliseconds.");
}
/**
* Creates the column for registration date and sets all entries to the current timestamp.
* We do so in order to avoid issues with purging, where entries with 0 / NULL might get
* purged immediately on startup otherwise.
*
* @param st Statement object to the database
*/
private void addRegistrationDateColumn(Statement st) throws SQLException {
st.executeUpdate("ALTER TABLE " + tableName
+ " ADD COLUMN " + col.REGISTRATION_DATE + " BIGINT NOT NULL;");
// Use the timestamp from Java to avoid timezone issues in case JVM and database are out of sync
long currentTimestamp = System.currentTimeMillis();
int updatedRows = st.executeUpdate(String.format("UPDATE %s SET %s = %d;",
tableName, col.REGISTRATION_DATE, currentTimestamp));
ConsoleLogger.info("Created column '" + col.REGISTRATION_DATE + "' and set the current timestamp, "
+ currentTimestamp + ", to all " + updatedRows + " rows");
}
}

View File

@ -111,8 +111,7 @@ public class SQLite implements DataSource {
}
if (isColumnMissing(md, col.REGISTRATION_DATE)) {
st.executeUpdate("ALTER TABLE " + tableName
+ " ADD COLUMN " + col.REGISTRATION_DATE + " TIMESTAMP NOT NULL DEFAULT '0';");
addRegistrationDateColumn(st);
}
if (isColumnMissing(md, col.LASTLOC_X)) {
@ -632,6 +631,25 @@ public class SQLite implements DataSource {
.build();
}
/**
* Creates the column for registration date and sets all entries to the current timestamp.
* We do so in order to avoid issues with purging, where entries with 0 / NULL might get
* purged immediately on startup otherwise.
*
* @param st Statement object to the database
*/
private void addRegistrationDateColumn(Statement st) throws SQLException {
st.executeUpdate("ALTER TABLE " + tableName
+ " ADD COLUMN " + col.REGISTRATION_DATE + " TIMESTAMP NOT NULL DEFAULT '0';");
// Use the timestamp from Java to avoid timezone issues in case JVM and database are out of sync
long currentTimestamp = System.currentTimeMillis();
int updatedRows = st.executeUpdate(String.format("UPDATE %s SET %s = %d;",
tableName, col.REGISTRATION_DATE, currentTimestamp));
ConsoleLogger.info("Created column '" + col.REGISTRATION_DATE + "' and set the current timestamp, "
+ currentTimestamp + ", to all " + updatedRows + " rows");
}
private static void close(Statement st) {
if (st != null) {
try {