#include #include #include #include #include namespace DB { void IdentifierNode::dumpTreeImpl(WriteBuffer & buffer, FormatState & format_state, size_t indent) const { buffer << std::string(indent, ' ') << "IDENTIFIER id: " << format_state.getNodeId(this); if (hasAlias()) buffer << ", alias: " << getAlias(); buffer << ", identifier: " << identifier.getFullName(); if (table_expression_modifiers) { buffer << ", "; table_expression_modifiers->dump(buffer); } } bool IdentifierNode::isEqualImpl(const IQueryTreeNode & rhs) const { const auto & rhs_typed = assert_cast(rhs); if (table_expression_modifiers && rhs_typed.table_expression_modifiers && table_expression_modifiers != rhs_typed.table_expression_modifiers) return false; else if (table_expression_modifiers && !rhs_typed.table_expression_modifiers) return false; else if (!table_expression_modifiers && rhs_typed.table_expression_modifiers) return false; return identifier == rhs_typed.identifier; } void IdentifierNode::updateTreeHashImpl(HashState & state) const { const auto & identifier_name = identifier.getFullName(); state.update(identifier_name.size()); state.update(identifier_name); if (table_expression_modifiers) table_expression_modifiers->updateTreeHash(state); } ASTPtr IdentifierNode::toASTImpl() const { auto identifier_parts = identifier.getParts(); return std::make_shared(std::move(identifier_parts)); } QueryTreeNodePtr IdentifierNode::cloneImpl() const { return std::make_shared(identifier); } }