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fix table functions & RequiredSourceColumnsVisitor

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This commit is contained in:
chertus 2019-02-22 20:08:10 +03:00
parent 8bff0d74c0
commit 14faa95c83
1 changed files with 1 additions and 12 deletions
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13
dbms/src/Interpreters/RequiredSourceColumnsVisitor.cpp
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@ -88,7 +88,6 @@ void RequiredSourceColumnsMatcher::visit(ASTPtr & ast, Data & data)
if (auto * t = typeid_cast<ASTTableExpression *>(ast.get()))
{
//data.addTableAliasIfAny(*ast); alias is attached to child
visit(*t, ast, data);
return;
}
@ -182,27 +181,17 @@ void RequiredSourceColumnsMatcher::visit(ASTTablesInSelectQueryElement & node, c
data.tables.emplace_back(ColumnNamesContext::JoinedTable{expr, join});
}
/// ASTIdentifiers here are tables. Do not visit them as generic ones.
void RequiredSourceColumnsMatcher::visit(ASTTableExpression & node, const ASTPtr &, Data & data)
{
/// ASTIdentifiers here are tables. Do not visit them as generic ones.
if (node.database_and_table_name)
data.addTableAliasIfAny(*node.database_and_table_name);
std::vector<ASTPtr *> out;
if (node.table_function)
{
data.addTableAliasIfAny(*node.table_function);
out.push_back(&node.table_function);
}
if (node.subquery)
{
data.addTableAliasIfAny(*node.subquery);
out.push_back(&node.subquery);
}
for (ASTPtr * add_node : out)
Visitor(data).visit(*add_node);
}
void RequiredSourceColumnsMatcher::visit(const ASTArrayJoin & node, const ASTPtr &, Data & data)