public void upgradeBaseSchema(Connection conn, int currentVersion) {
if (!isLoaded()) {
throw new TajoInternalError("Database schema files are not loaded.");
}
final List<SchemaPatch> candidatePatches = new ArrayList<>();
Statement stmt;
for (SchemaPatch patch : this.catalogStore.getPatches()) {
if (currentVersion >= patch.getPriorVersion()) {
candidatePatches.add(patch);
}
}
Collections.sort(candidatePatches);
try {
stmt = conn.createStatement();
} catch (SQLException e) {
throw new TajoInternalError(e);
}
for (SchemaPatch patch : candidatePatches) {
for (DatabaseObject object : patch.getObjects()) {
try {
stmt.executeUpdate(object.getSql());
LOG.info(object.getName() + " " + object.getType() + " was created or altered.");
} catch (SQLException e) {
throw new TajoInternalError(e);
}
}
}
CatalogUtil.closeQuietly(stmt);
}
public void createBaseSchema(Connection conn) {
Statement stmt;
if (!isLoaded()) {
throw new TajoInternalError("Database schema files are not loaded.");
}
try {
stmt = conn.createStatement();
} catch (SQLException e) {
throw new TajoInternalError(e);
}
for (DatabaseObject object : catalogStore.getSchema().getObjects()) {
try {
String[] params;
if (DatabaseObjectType.INDEX == object.getType()) {
params = new String[2];
params[0] = object.getDependsOn();
params[1] = object.getName();
} else {
params = new String[1];
params[0] = object.getName();
}
if (checkExistence(conn, object.getType(), params)) {
LOG.info("Skip to create " + object.getName() + " databse object. Already exists.");
} else {
stmt.executeUpdate(object.getSql());
LOG.info(object.getName() + " " + object.getType() + " is created.");
}
} catch (SQLException e) {
throw new TajoInternalError(e);
}
}
CatalogUtil.closeQuietly(stmt);
}