ClickHouse/src/Interpreters/replaceAliasColumnsInQuery.cpp

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#include <Interpreters/replaceAliasColumnsInQuery.h>
#include <Interpreters/ColumnAliasesVisitor.h>
#include <Storages/ColumnsDescription.h>
#include <Parsers/ASTSelectQuery.h>
namespace DB
{
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bool replaceAliasColumnsInQuery(
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ASTPtr & ast, const ColumnsDescription & columns, const NameToNameMap & array_join_result_to_source, ContextPtr context)
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{
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ColumnAliasesVisitor::Data aliases_column_data(columns, array_join_result_to_source, context);
ColumnAliasesVisitor aliases_column_visitor(aliases_column_data);
aliases_column_visitor.visit(ast);
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return aliases_column_data.changed;
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}
}