org.apache.drill.exec.planner.sql

Class DrillSqlWorker

java.lang.Object

org.apache.drill.exec.planner.sql.DrillSqlWorker

public class DrillSqlWorker
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static PhysicalPlan	getPlan(QueryContext context, String sql) Converts sql query string into query physical plan.
static PhysicalPlan	getPlan(QueryContext context, String sql, Pointer<String> textPlan) Converts sql query string into query physical plan.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

getPlan

public static PhysicalPlan getPlan(QueryContext context,
                   String sql)
                            throws org.apache.calcite.sql.parser.SqlParseException,
                                   org.apache.calcite.tools.ValidationException,
                                   ForemanSetupException

Converts sql query string into query physical plan.

Parameters:

context - query context

sql - sql query

Returns:

query physical plan

Throws:

org.apache.calcite.sql.parser.SqlParseException

org.apache.calcite.tools.ValidationException

ForemanSetupException

getPlan

public static PhysicalPlan getPlan(QueryContext context,
                   String sql,
                   Pointer<String> textPlan)
                            throws ForemanSetupException

Converts sql query string into query physical plan. In case of any errors (that might occur due to missing function implementation), checks if local function registry should be synchronized with remote function registry. If sync took place, reloads drill operator table (since functions were added to / removed from local function registry) and attempts to converts sql query string into query physical plan one more time.

Parameters:

context - query context

sql - sql query

textPlan - text plan

Returns:

query physical plan

Throws:

ForemanSetupException