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try fix

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zhang2014 2019-03-29 22:25:37 +08:00
parent 1eb5713a74
commit 0096ef3524
2 changed files with 4 additions and 2 deletions
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3
dbms/src/Interpreters/PredicateExpressionsOptimizer.cpp
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@ -340,8 +340,9 @@ ASTs PredicateExpressionsOptimizer::getSelectQueryProjectionColumns(ASTPtr & ast
std::vector<DatabaseAndTableWithAlias> tables = getDatabaseAndTables(*select_query, context.getCurrentDatabase());
/// TODO: get tables from evaluateAsterisk instead of tablesOnly() to extract asterisks in general way
NameSet source_columns;
std::vector<TableWithColumnNames> tables_with_columns = TranslateQualifiedNamesVisitor::Data::tablesOnly(tables);
TranslateQualifiedNamesVisitor::Data qn_visitor_data({}, tables_with_columns, false);
TranslateQualifiedNamesVisitor::Data qn_visitor_data(source_columns, tables_with_columns, false);
TranslateQualifiedNamesVisitor(qn_visitor_data).visit(ast);
QueryAliasesVisitor::Data query_aliases_data{aliases};

3
dbms/src/Interpreters/TranslateQualifiedNamesVisitor.cpp
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@ -16,6 +16,7 @@
#include <Parsers/ASTExpressionList.h>
#include <Parsers/ASTLiteral.h>
#include <Parsers/ASTFunction.h>
#include <iostream>
namespace DB
@ -74,7 +75,7 @@ void TranslateQualifiedNamesMatcher::visit(ASTIdentifier & identifier, ASTPtr &,
IdentifierSemantic::setMembership(identifier, best_table_pos + 1);
/// In case if column from the joined table are in source columns, change it's name to qualified.
if (best_table_pos && !data.source_columns.empty() && data.source_columns.count(identifier.shortName()))
if (best_table_pos && data.source_columns.count(identifier.shortName()))
IdentifierSemantic::setNeedLongName(identifier, true);
if (!data.tables.empty())
IdentifierSemantic::setColumnNormalName(identifier, data.tables[best_table_pos].first);