ffsaf-site/src/main/java/fr/titionfire/ffsaf/data/CustomPostgreSQLDialect.java

35 lines
1.5 KiB
Java

package fr.titionfire.ffsaf.data;
import org.hibernate.boot.model.FunctionContributions;
import org.hibernate.dialect.PostgreSQLDialect;
import org.hibernate.query.sqm.function.SqmFunctionRegistry;
import org.hibernate.query.sqm.produce.function.FunctionParameterType;
import org.hibernate.type.BasicType;
import org.hibernate.type.BasicTypeRegistry;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.spi.TypeConfiguration;
import org.jboss.logging.Logger;
public class CustomPostgreSQLDialect extends PostgreSQLDialect {
private static final Logger LOGGER = Logger.getLogger(PostgreSQLDialect.class);
public CustomPostgreSQLDialect() {
super();
}
@Override
public void initializeFunctionRegistry(FunctionContributions functionContributions) {
super.initializeFunctionRegistry(functionContributions);
LOGGER.info("Initializing custom function registry");
SqmFunctionRegistry functionRegistry = functionContributions.getFunctionRegistry();
TypeConfiguration typeConfiguration = functionContributions.getTypeConfiguration();
BasicTypeRegistry basicTypeRegistry = typeConfiguration.getBasicTypeRegistry();
BasicType<String> stringType = basicTypeRegistry.resolve(StandardBasicTypes.STRING);
functionRegistry.namedDescriptorBuilder("unaccent").setInvariantType(stringType).setExactArgumentCount(1)
.setParameterTypes(new FunctionParameterType[]{FunctionParameterType.STRING}).register();
}
}