org.apache.drill.exec.planner.sql.conversion

Class SqlConverter

java.lang.Object

org.apache.drill.exec.planner.sql.conversion.SqlConverter

public class SqlConverter
extends Object

Class responsible for managing:

• parsing - parse(String)
• validation - validate(SqlNode)
• conversion to rel - toRel(SqlNode) (String)}

Constructor Summary

Constructors

Constructor and Description
SqlConverter(QueryContext context)

Method Summary

Modifier and Type	Method and Description
void	disallowTemporaryTables() Disallow temporary tables presence in sql statement (ex: in view definitions)
org.apache.calcite.plan.RelOptCostFactory	getCostFactory()
org.apache.calcite.schema.SchemaPlus	getDefaultSchema()
DrillConfig	getDrillConfig()
org.apache.calcite.rel.type.RelDataType	getOutputType(org.apache.calcite.sql.SqlNode validatedNode)
org.apache.calcite.schema.SchemaPlus	getRootSchema()
UserSession	getSession()
org.apache.calcite.adapter.java.JavaTypeFactory	getTypeFactory()
boolean	isCaseSensitive()
org.apache.calcite.sql.SqlNode	parse(String sql)
org.apache.calcite.rel.RelRoot	toRel(org.apache.calcite.sql.SqlNode validatedNode)
void	useRootSchemaAsDefault(boolean useRoot) Is root schema path should be used as default schema path.
org.apache.calcite.sql.SqlNode	validate(org.apache.calcite.sql.SqlNode parsedNode)

Methods inherited from class java.lang.Object

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

Constructor Detail

SqlConverter

public SqlConverter(QueryContext context)

Method Detail

parse

public org.apache.calcite.sql.SqlNode parse(String sql)

validate

public org.apache.calcite.sql.SqlNode validate(org.apache.calcite.sql.SqlNode parsedNode)

toRel

public org.apache.calcite.rel.RelRoot toRel(org.apache.calcite.sql.SqlNode validatedNode)

getOutputType

public org.apache.calcite.rel.type.RelDataType getOutputType(org.apache.calcite.sql.SqlNode validatedNode)

getTypeFactory

public org.apache.calcite.adapter.java.JavaTypeFactory getTypeFactory()

getDrillConfig

public DrillConfig getDrillConfig()

getSession

public UserSession getSession()

getCostFactory

public org.apache.calcite.plan.RelOptCostFactory getCostFactory()

getRootSchema

public org.apache.calcite.schema.SchemaPlus getRootSchema()

getDefaultSchema

public org.apache.calcite.schema.SchemaPlus getDefaultSchema()

isCaseSensitive

public boolean isCaseSensitive()

disallowTemporaryTables

public void disallowTemporaryTables()

Disallow temporary tables presence in sql statement (ex: in view definitions)

useRootSchemaAsDefault

public void useRootSchemaAsDefault(boolean useRoot)

Is root schema path should be used as default schema path.

Parameters:

useRoot - flag