this.exceptionSorter = new OracleExceptionSorter();
} else if (realDriverClassName.equals("com.informix.jdbc.IfxDriver")) {
this.exceptionSorter = new InformixExceptionSorter();
} else if (realDriverClassName.equals("com.sybase.jdbc2.jdbc.SybDriver")) {
this.exceptionSorter = new SybaseExceptionSorter();
} else if (realDriverClassName.equals("com.alibaba.druid.mock.MockDriver")) {
this.exceptionSorter = new MockExceptionSorter();
} else if (realDriverClassName.contains("DB2")) {
this.exceptionSorter = new DB2ExceptionSorter();