public void addAppliedMigration(AppliedMigration appliedMigration) {
createIfNotExists();
MigrationVersion version = appliedMigration.getVersion();
try {
int versionRank = calculateVersionRank(version);
jdbcTemplate.update(
"UPDATE "
+ table
+ " SET "
+ dbSupport.quote("version_rank")
+ " = "
+ dbSupport.quote("version_rank")
+ " + 1 WHERE "
+ dbSupport.quote("version_rank")
+ " >= ?",
versionRank);
jdbcTemplate.update(
"INSERT INTO "
+ table
+ " ("
+ dbSupport.quote("version_rank")
+ ","
+ dbSupport.quote("installed_rank")
+ ","
+ dbSupport.quote("version")
+ ","
+ dbSupport.quote("description")
+ ","
+ dbSupport.quote("type")
+ ","
+ dbSupport.quote("script")
+ ","
+ dbSupport.quote("checksum")
+ ","
+ dbSupport.quote("installed_by")
+ ","
+ dbSupport.quote("execution_time")
+ ","
+ dbSupport.quote("success")
+ ")"
+ " VALUES (?, ?, ?, ?, ?, ?, ?, "
+ dbSupport.getCurrentUserFunction()
+ ", ?, ?)",
versionRank,
calculateInstalledRank(),
version.toString(),
appliedMigration.getDescription(),
appliedMigration.getType().name(),
appliedMigration.getScript(),
appliedMigration.getChecksum(),
appliedMigration.getExecutionTime(),
appliedMigration.isSuccess());
LOG.debug("MetaData table " + table + " successfully updated to reflect changes");
} catch (SQLException e) {
throw new FlywayException(
"Unable to insert row for version '" + version + "' in metadata table " + table, e);
}
}
/**
* Calculate the rank for this new version about to be inserted.
*
* @param version The version to calculated for.
* @return The rank.
*/
private int calculateVersionRank(MigrationVersion version) throws SQLException {
List<String> versions =
jdbcTemplate.queryForStringList("select " + dbSupport.quote("version") + " from " + table);
List<MigrationVersion> migrationVersions = new ArrayList<MigrationVersion>();
for (String versionStr : versions) {
migrationVersions.add(new MigrationVersion(versionStr));
}
Collections.sort(migrationVersions);
for (int i = 0; i < migrationVersions.size(); i++) {
if (version.compareTo(migrationVersions.get(i)) < 0) {
return i + 1;
}
}
return migrationVersions.size() + 1;
}