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#pragma once
#include <Parsers/IAST_fwd.h>
#include <Storages/IStorage_fwd.h>
#include <Interpreters/Context_fwd.h>
#include <Analyzer/IQueryTreeNode.h>
#include <Analyzer/ColumnTransformers.h>
namespace DB
{
/** Build query tree from AST.
* AST that represent query ASTSelectWithUnionQuery, ASTSelectIntersectExceptQuery, ASTSelectQuery.
* AST that represent a list of expressions ASTExpressionList.
* AST that represent expression ASTIdentifier, ASTAsterisk, ASTLiteral, ASTFunction.
*
* For QUERY and UNION nodes contexts are created with respect to specified SETTINGS.
*/
QueryTreeNodePtr buildQueryTree(ASTPtr query, ContextPtr context);
}
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