错误 java.sql.SQLException: ORA-01722: 运行准备好的语句以更改序列时数字无效

Question

sqlStmt = new StringBuffer("  ALTER SEQUENCE "  );  
                    sqlStmt.append( ServerContext.getSchemaName() );
                    sqlStmt.append("SEQ_EDCD_TRACE_NUM");
                    sqlStmt.append( " INCREMENT BY " );
                    sqlStmt.append( " ? " );
pstmt.setLong(1, incval);
pstmt.execute();

Answer 1

You can't use bind variables with DDL, such as ALTER SEQUENCE . You'll have to concatenate incval onto the string.

There shouldn't be any risk of SQL injection if incval is an int or a long .