Uses of Interface
org.apache.calcite.sql.util.SqlVisitor

Packages that use SqlVisitor

Package	Description
org.apache.calcite.sql	Provides a SQL parser and object model.
org.apache.calcite.sql.fun	Defines the set of standard SQL row-level functions and operators.
org.apache.calcite.sql.util	Utility classes for the SQL object model, parsing, and validation.
org.apache.calcite.sql.validate	SQL validation.
org.apache.calcite.sql2rel	Translates a SQL parse tree to relational expression.
org.apache.calcite.util	Provides utility classes.

Uses of SqlVisitor in org.apache.calcite.sql

Classes in org.apache.calcite.sql that implement SqlVisitor

Modifier and Type	Class and Description
private static class	SqlUtil.Genealogist Walks over a SqlNode tree and returns the ancestry stack when it finds a given node.

Methods in org.apache.calcite.sql with parameters of type SqlVisitor

Modifier and Type	Method and Description
<R> R	SqlIdentifier.accept(SqlVisitor<R> visitor)
<R> R	SqlDynamicParam.accept(SqlVisitor<R> visitor)
<R> R	SqlCall.accept(SqlVisitor<R> visitor)
<R> R	SqlLiteral.accept(SqlVisitor<R> visitor)
<R> R	SqlIntervalQualifier.accept(SqlVisitor<R> visitor)
abstract <R> R	SqlNode.accept(SqlVisitor<R> visitor) Accepts a generic visitor.
<R> R	SqlNodeList.accept(SqlVisitor<R> visitor)
<R> R	SqlDataTypeSpec.accept(SqlVisitor<R> visitor)
<R> R	SqlOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call) Accepts a SqlVisitor, visiting each operand of a call.
<R> void	SqlOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler) Accepts a SqlVisitor, directing an SqlBasicVisitor.ArgHandler to visit an operand of a call.
<R> void	SqlWindow.SqlWindowOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler)
<R> void	SqlSelectOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler)
<R> void	SqlMatchRecognize.SqlMatchRecognizeOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler)
<R> void	SqlOverOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler) Accepts a SqlVisitor, and tells it to visit each child.
<R> void	SqlAsOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler)

Uses of SqlVisitor in org.apache.calcite.sql.fun

Classes in org.apache.calcite.sql.fun that implement SqlVisitor

Modifier and Type	Class and Description
private static class	SqlBetweenOperator.AndFinder Finds an AND operator in an expression.

Methods in org.apache.calcite.sql.fun with parameters of type SqlVisitor

Modifier and Type	Method and Description
<R> void	SqlDotOperator.acceptCall(SqlVisitor<R> visitor, SqlCall call, boolean onlyExpressions, SqlBasicVisitor.ArgHandler<R> argHandler)

Uses of SqlVisitor in org.apache.calcite.sql.util

Classes in org.apache.calcite.sql.util that implement SqlVisitor

Modifier and Type	Class and Description
class	SqlBasicVisitor<R> Basic implementation of SqlVisitor which does nothing at each node.
class	SqlShuttle Basic implementation of SqlVisitor which returns each leaf node unchanged.

Methods in org.apache.calcite.sql.util with parameters of type SqlVisitor

Modifier and Type	Method and Description
R	SqlBasicVisitor.ArgHandler.visitChild(SqlVisitor<R> visitor, SqlNode expr, int i, SqlNode operand) Visits a particular operand of a call, using a given visitor.
R	SqlBasicVisitor.ArgHandlerImpl.visitChild(SqlVisitor<R> visitor, SqlNode expr, int i, SqlNode operand)
SqlNode	SqlShuttle.CallCopyingArgHandler.visitChild(SqlVisitor<SqlNode> visitor, SqlNode expr, int i, SqlNode operand)

Uses of SqlVisitor in org.apache.calcite.sql.validate

Classes in org.apache.calcite.sql.validate that implement SqlVisitor

Modifier and Type	Class and Description
(package private) class	AggChecker Visitor which throws an exception if any component of the expression is not a group expression.
(package private) class	AggFinder Visitor that looks for an aggregate function inside a tree of SqlNode objects and throws Util.FoundOne when it finds one.
(package private) static class	AggFinder.AggIterable Iterates over all aggregates.
(package private) class	AggVisitor Visitor that can find aggregate and windowed aggregate functions.
class	SqlScopedShuttle Refinement to SqlShuttle which maintains a stack of scopes.
private class	SqlValidatorImpl.DeriveTypeVisitor Visitor which derives the type of a given SqlNode.
private static class	SqlValidatorImpl.Expander Converts an expression into canonical form by fully-qualifying any identifiers.
(package private) static class	SqlValidatorImpl.ExtendedExpander Shuttle which walks over an expression in the GROUP BY/HAVING clause, replacing usages of aliases or ordinals with the underlying expression.
private static class	SqlValidatorImpl.NavigationExpander Shuttle that expands navigation expressions in a MATCH_RECOGNIZE clause.
private static class	SqlValidatorImpl.NavigationModifier Modify the nodes in navigation function such as FIRST, LAST, PREV AND NEXT.
private static class	SqlValidatorImpl.NavigationReplacer Shuttle that replaces A as A.price > PREV(B.price) with PREV(A.price, 0) > LAST(B.price, 0).
(package private) class	SqlValidatorImpl.OrderExpressionExpander Shuttle which walks over an expression in the ORDER BY clause, replacing usages of aliases with the underlying expression.
private class	SqlValidatorImpl.PatternValidator Within one navigation function, the pattern var should be same
private class	SqlValidatorImpl.PatternVarVisitor retrieve pattern variables defined
static class	SqlValidatorUtil.DeepCopier Deprecated.

Uses of SqlVisitor in org.apache.calcite.sql2rel

Classes in org.apache.calcite.sql2rel that implement SqlVisitor

Modifier and Type	Class and Description
protected class	SqlToRelConverter.AggConverter Converts expressions to aggregates.
private static class	SqlToRelConverter.AggregateFinder Visitor that collects all aggregate functions in a SqlNode tree.
protected class	SqlToRelConverter.Blackboard Workspace for translating an individual SELECT statement (or sub-SELECT).

Uses of SqlVisitor in org.apache.calcite.util

Classes in org.apache.calcite.util that implement SqlVisitor

Modifier and Type	Class and Description
static class	Util.OverFinder Visitor which looks for an OVER clause inside a tree of SqlNode objects.