This topic describes how to use MaxCompute SDK for Java to set the SQL flag.
Background information
You must set the SQL flag when you submit SQL statements in the DataWorks console
or on the MaxCompute client. If you want to enable the MaxCompute V2.0 data type edition
at the session level, you must execute the set odps.sql.type.system.odps2=true; statement to set the SQL flag before the SQL query statement that involves the new
data type.
Example
When you use MaxCompute SDK for Java to submit SQL query statements, do not insert
the statement that is used to set the SQL flag into the SQL query statements. You
can use the following method to set the SQL flag:
String sql ="SELECT..." ;
HashMap<String, String> hints = new LinkedHashMap<String, String>();
hints.put("SQL flag name, e.g. odps.sql.type.system.odps2", "SQL flag value");
hints.put("SQL flag name, e.g. odps.sql.type.system.odps2", "SQL flag value");
hints.put("SQL flag name, e.g. odps.sql.type.system.odps2", "SQL flag value");
Instance i = SQLTask.run(odps, odps.getDefaultProject(), sql, hints, null);
i.waitForSuccess();