WangHan
2024-09-12 d5855a4926926698b740bc6c7ba489de47adb68b
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package tech.powerjob.server.persistence.config.dialect;
 
import org.hibernate.dialect.PostgreSQL10Dialect;
import org.hibernate.type.descriptor.sql.LongVarbinaryTypeDescriptor;
import org.hibernate.type.descriptor.sql.LongVarcharTypeDescriptor;
import org.hibernate.type.descriptor.sql.SqlTypeDescriptor;
 
import java.sql.Types;
 
/**
 * <a href="https://github.com/PowerJob/PowerJob/issues/750">PG数据库方言</a>
 * 使用方自行通过配置文件激活:spring.datasource.remote.hibernate.properties.hibernate.dialect=tech.powerjob.server.persistence.config.dialect.AdpPostgreSQLDialect
 *
 * @author litong0531
 * @since 2024/8/11
 */
public class AdpPostgreSQLDialect extends PostgreSQL10Dialect {
 
    public AdpPostgreSQLDialect() {
        super();
        registerColumnType(Types.BLOB, "bytea");
        registerColumnType(Types.CLOB, "text");
    }
 
    @Override
    public SqlTypeDescriptor remapSqlTypeDescriptor(SqlTypeDescriptor sqlTypeDescriptor) {
        switch (sqlTypeDescriptor.getSqlType()) {
            case Types.CLOB:
                return LongVarcharTypeDescriptor.INSTANCE;
            case Types.BLOB:
                return LongVarbinaryTypeDescriptor.INSTANCE;
            case Types.NCLOB:
                return LongVarbinaryTypeDescriptor.INSTANCE;
        }
        return super.remapSqlTypeDescriptor(sqlTypeDescriptor);
    }
}