| Name | Description | Type | Package | Framework |
| AliasGenerator | Generates class/table/column aliases during semantic analysis and SQL rendering. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTAppender | Appends child nodes to a parent efficiently. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTIterator | Depth first iteration of an ANTLR AST. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTParentsFirstIterator | Depth first iteration of an ANTLR AST. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTPrinter | Utility for generating pretty "ASCII art" representations of syntax trees. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTUtil | Provides utility methods for AST traversal and manipulation. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| ASTUtil .FilterPredicate | Filters nodes out of a tree. | Interface | org.hibernate.hql.internal.ast.util.ASTUtil | Hibernate ORM |
| ASTUtil .IncludePredicate | A predicate that uses inclusion, rather than exclusion semantics. | Class | org.hibernate.hql.internal.ast.util.ASTUtil | Hibernate ORM |
| ColumnHelper | Provides utility methods for dealing with arrays of SQL column names. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| JoinProcessor | Performs the post-processing of the join information gathered during semantic analysis. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| LiteralProcessor | A delegate that handles literals and constants for HqlSqlWalker, performing the token replacement functions and classifying literals. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| LiteralProcessor .DecimalLiteralFormat | Class | org.hibernate.hql.internal.ast.util.LiteralProcessor | Hibernate ORM | |
| NodeTraverser | A visitor for traversing an AST tree. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| NodeTraverser .VisitationStrategy | Interface | org.hibernate.hql.internal.ast.util.NodeTraverser | Hibernate ORM | |
| PathHelper | Provides utility methods for paths. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| SessionFactoryHelper | Helper for performing common and/or complex operations with the SessionFactoryImplementor during translation of an HQL query. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |
| SyntheticAndFactory | Creates synthetic and nodes based on the where fragment part of a JoinSequence. | Class | org.hibernate.hql.internal.ast.util | Hibernate ORM |