Package org.rumbledb.compiler

Class ProjectionPushdownDetectionVisitor

java.lang.Object

org.rumbledb.expressions.AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

org.rumbledb.compiler.ProjectionPushdownDetectionVisitor

public class ProjectionPushdownDetectionVisitor
extends AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ProjectionPushdownDetectionVisitor.ReferenceMap

Constructor Summary

Constructors

Constructor	Description
ProjectionPushdownDetectionVisitor()

Method Summary

Modifier and Type	Method	Description
protected ProjectionPushdownDetectionVisitor.ReferenceMap	defaultAction(Node node, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitCountClause(CountClause expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitFilterExpression(FilterExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitFlowrExpression(FlworExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitForClause(ForClause clause, ProjectionPushdownDetectionVisitor.ReferenceMap argument)	High-level explanations When visiting an expression, the ReferenceMap argument provides the projection expected from the outside world, with the ReferenceMap keys being object keys.
ProjectionPushdownDetectionVisitor.ReferenceMap	visitFunctionCall(FunctionCallExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitGroupByClause(GroupByClause clause, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitLetClause(LetClause clause, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitMainModule(MainModule expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitObjectConstructor(ObjectConstructorExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitObjectLookupExpression(ObjectLookupExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitOrderByClause(OrderByClause clause, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitProlog(Prolog prolog, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitReturnClause(ReturnClause expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitVariableReference(VariableReferenceExpression expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)
ProjectionPushdownDetectionVisitor.ReferenceMap	visitWhereClause(WhereClause expression, ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Methods inherited from class org.rumbledb.expressions.AbstractNodeVisitor

visit, visitAdditiveExpr, visitAndExpr, visitAppendExpression, visitApplyStatement, visitArrayConstructor, visitArrayLookupExpression, visitArrayUnboxingExpression, visitAssignStatement, visitAttributeNode, visitAttributeNodeContent, visitBlockExpr, visitBlockStatement, visitBoolean, visitBreakStatement, visitCastableExpression, visitCastExpression, visitCommaExpression, visitCommaVariableDeclStatement, visitComparisonExpr, visitComputedAttributeConstructor, visitComputedElementConstructor, visitConditionalExpression, visitConditionalStatement, visitContextExpr, visitContinueStatement, visitCreateCollectionExpression, visitDecimal, visitDeleteExpression, visitDeleteIndexFromCollectionExpression, visitDeleteSearchFromCollectionExpression, visitDescendants, visitDirElemConstructor, visitDocumentNodeConstructor, visitDouble, visitDynamicFunctionCallExpression, visitEditCollectionExpression, visitExitStatement, visitFlowrStatement, visitFunctionDeclaration, visitInlineFunctionExpr, visitInsertExpression, visitInsertIndexIntoCollectionExpression, visitInsertSearchIntoCollectionExpression, visitInstanceOfExpression, visitInteger, visitIsStaticallyExpr, visitLibraryModule, visitMultiplicativeExpr, visitNamedFunctionRef, visitNodeComparisonExpr, visitNotExpr, visitNull, visitOrExpr, visitPostfixLookupExpression, visitProgram, visitRangeExpr, visitRenameExpression, visitReplaceExpression, visitReturnStatementClause, visitSimpleMapExpr, visitSlashExpr, visitStatementsAndExpr, visitStatementsAndOptionalExpr, visitStepExpr, visitString, visitStringConcatExpr, visitSwitchExpression, visitSwitchStatement, visitTextNode, visitTextNodeConstructor, visitTransformExpression, visitTreatExpression, visitTruncateCollectionExpression, visitTryCatchExpression, visitTryCatchStatement, visitTypeDeclaration, visitTypeSwitchExpression, visitTypeSwitchStatement, visitUnaryExpr, visitUnaryLookupExpression, visitValidateTypeExpression, visitVariableDeclaration, visitVariableDeclStatement, visitWhileStatement

Methods inherited from class java.lang.Object

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

Constructor Details

ProjectionPushdownDetectionVisitor

public ProjectionPushdownDetectionVisitor()

Method Details

visitForClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitForClause(ForClause clause,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

High-level explanations When visiting an expression, the ReferenceMap argument provides the projection expected from the outside world, with the ReferenceMap keys being object keys. If the ReferenceMap has no keys, then the entire object is needed. The returned ReferenceMap contains all the variables that this expression needs to access, together with the projections that they need in case these variables are associated with objects (if the associated projection has no keys, then the entire object is expected for this variable). When visiting a clause, the ReferenceMap argument provides the variables that subsequenc clauses need to access, together with the projections that they need in case these variables are associated with objects (if the associated projection has no keys, then the entire object is expected for this variable). The returned ReferenceMap contains all the variables that this clause needs to access, together with the projections that they need in case these variables are associated with objects (if the associated projection has no keys, then the entire object is expected for this variable).

Overrides:

visitForClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

defaultAction

protected ProjectionPushdownDetectionVisitor.ReferenceMap defaultAction(Node node,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

defaultAction in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitLetClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitLetClause(LetClause clause,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitLetClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitGroupByClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitGroupByClause(GroupByClause clause,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitGroupByClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitWhereClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitWhereClause(WhereClause expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitWhereClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitCountClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitCountClause(CountClause expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitCountClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitOrderByClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitOrderByClause(OrderByClause clause,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitOrderByClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitReturnClause

public ProjectionPushdownDetectionVisitor.ReferenceMap visitReturnClause(ReturnClause expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitReturnClause in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitFlowrExpression

public ProjectionPushdownDetectionVisitor.ReferenceMap visitFlowrExpression(FlworExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitFlowrExpression in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitMainModule

public ProjectionPushdownDetectionVisitor.ReferenceMap visitMainModule(MainModule expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitMainModule in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitProlog

public ProjectionPushdownDetectionVisitor.ReferenceMap visitProlog(Prolog prolog,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitProlog in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitVariableReference

public ProjectionPushdownDetectionVisitor.ReferenceMap visitVariableReference(VariableReferenceExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitVariableReference in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitObjectLookupExpression

public ProjectionPushdownDetectionVisitor.ReferenceMap visitObjectLookupExpression(ObjectLookupExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitObjectLookupExpression in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitObjectConstructor

public ProjectionPushdownDetectionVisitor.ReferenceMap visitObjectConstructor(ObjectConstructorExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitObjectConstructor in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitFilterExpression

public ProjectionPushdownDetectionVisitor.ReferenceMap visitFilterExpression(FilterExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitFilterExpression in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>

visitFunctionCall

public ProjectionPushdownDetectionVisitor.ReferenceMap visitFunctionCall(FunctionCallExpression expression,
 ProjectionPushdownDetectionVisitor.ReferenceMap argument)

Overrides:

visitFunctionCall in class AbstractNodeVisitor<ProjectionPushdownDetectionVisitor.ReferenceMap>