org.apache.calcite.sql.validate

Class SqlValidatorUtil.DeepCopier

java.lang.Object

org.apache.calcite.sql.util.SqlBasicVisitor<SqlNode>

org.apache.calcite.sql.util.SqlShuttle

org.apache.calcite.sql.validate.SqlScopedShuttle

org.apache.calcite.sql.validate.SqlValidatorUtil.DeepCopier

All Implemented Interfaces:

SqlVisitor<SqlNode>

Enclosing class:

SqlValidatorUtil

public static class SqlValidatorUtil.DeepCopier
extends SqlScopedShuttle

Walks over an expression, copying every node, and fully-qualifying every identifier.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlShuttle

SqlShuttle.CallCopyingArgHandler

Nested classes/interfaces inherited from class org.apache.calcite.sql.util.SqlBasicVisitor

SqlBasicVisitor.ArgHandler<R>, SqlBasicVisitor.ArgHandlerImpl<R>

Method Summary

Methods

Modifier and Type	Method and Description
static SqlNodeList	copy(SqlValidatorScope scope, SqlNodeList list) Copies a list of nodes.
SqlNode	visit(SqlDataTypeSpec type) Visits a datatype specification.
SqlNode	visit(SqlDynamicParam param) Visits a dynamic parameter.
SqlNode	visit(SqlIdentifier id) Visits an identifier.
SqlNode	visit(SqlIntervalQualifier intervalQualifier) Visits an interval qualifier
SqlNode	visit(SqlLiteral literal) Visits a literal.
SqlNode	visit(SqlNodeList list) Visits a list of SqlNode objects.
protected SqlNode	visitScoped(SqlCall call) Visits an operator call.

Methods inherited from class org.apache.calcite.sql.validate.SqlScopedShuttle

getScope, visit

Methods inherited from class java.lang.Object

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

Method Detail

copy

public static SqlNodeList copy(SqlValidatorScope scope,
               SqlNodeList list)

Copies a list of nodes.

visit

public SqlNode visit(SqlNodeList list)

Description copied from interface: SqlVisitor

Visits a list of SqlNode objects.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

list - list of nodes

See Also:

SqlNodeList.accept(SqlVisitor)

visitScoped

protected SqlNode visitScoped(SqlCall call)

Description copied from class: SqlScopedShuttle

Visits an operator call. If the call has entered a new scope, the base class will have already modified the scope.

Overrides:

visitScoped in class SqlScopedShuttle

visit

public SqlNode visit(SqlLiteral literal)

Description copied from interface: SqlVisitor

Visits a literal.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

literal - Literal

See Also:

SqlLiteral.accept(SqlVisitor)

visit

public SqlNode visit(SqlIdentifier id)

Description copied from interface: SqlVisitor

Visits an identifier.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

id - identifier

See Also:

SqlIdentifier.accept(SqlVisitor)

visit

public SqlNode visit(SqlDataTypeSpec type)

Description copied from interface: SqlVisitor

Visits a datatype specification.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

type - datatype specification

See Also:

SqlDataTypeSpec.accept(SqlVisitor)

visit

public SqlNode visit(SqlDynamicParam param)

Description copied from interface: SqlVisitor

Visits a dynamic parameter.

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

param - Dynamic parameter

See Also:

SqlDynamicParam.accept(SqlVisitor)

visit

public SqlNode visit(SqlIntervalQualifier intervalQualifier)

Description copied from interface: SqlVisitor

Visits an interval qualifier

Specified by:

visit in interface SqlVisitor<SqlNode>

Overrides:

visit in class SqlShuttle

Parameters:

intervalQualifier - Interval qualifier

See Also:

SqlIntervalQualifier.accept(SqlVisitor)