/**
* Implementation delegates logic to the {@link
* liquibase.sqlgenerator.SqlGenerator#warn(liquibase.statement.SqlStatement,
* liquibase.database.Database, liquibase.sqlgenerator.SqlGeneratorChain)} method on the {@link
* SqlStatement} objects returned by {@link #generateStatements }. If a generated statement is not
* supported for the given database, no warning will be added since that is a validation error. If
* no or null SqlStatements are returned by generateStatements then this method returns no
* warnings.
*/
@Override
public Warnings warn(Database database) {
Warnings warnings = new Warnings();
if (generateStatementsVolatile(database)) {
return warnings;
}
SqlStatement[] statements = generateStatements(database);
if (statements == null) {
return warnings;
}
for (SqlStatement statement : statements) {
if (SqlGeneratorFactory.getInstance().supports(statement, database)) {
warnings.addAll(SqlGeneratorFactory.getInstance().warn(statement, database));
} else if (statement.skipOnUnsupported()) {
warnings.addWarning(
statement.getClass().getName()
+ " is not supported on "
+ database.getShortName()
+ ", but "
+ ChangeFactory.getInstance().getChangeMetaData(this).getName()
+ " will still execute");
}
}
return warnings;
}
public Warnings warn(Database database) {
Warnings warnings = new Warnings();
for (SqlStatement statement : generateStatements(database)) {
if (SqlGeneratorFactory.getInstance().supports(statement, database)) {
warnings.addAll(SqlGeneratorFactory.getInstance().warn(statement, database));
}
}
return warnings;
}