| 1 | #pragma once |
|---|---|
| 2 | |
| 3 | #include <Parsers/IAST.h> |
| 4 | #include <Common/quoteString.h> |
| 5 | |
| 6 | |
| 7 | namespace DB |
| 8 | { |
| 9 | |
| 10 | /** A pair of the name and type. For example, browser FixedString(2). |
| 11 | */ |
| 12 | class ASTNameTypePair : public IAST |
| 13 | { |
| 14 | public: |
| 15 | /// name |
| 16 | String name; |
| 17 | /// type |
| 18 | ASTPtr type; |
| 19 | |
| 20 | /** Get the text that identifies this element. */ |
| 21 | String getID(char delim) const override { return "NameTypePair"+ (delim + name); } |
| 22 | |
| 23 | ASTPtr clone() const override |
| 24 | { |
| 25 | auto res = std::make_shared<ASTNameTypePair>(*this); |
| 26 | res->children.clear(); |
| 27 | |
| 28 | if (type) |
| 29 | { |
| 30 | res->type = type; |
| 31 | res->children.push_back(res->type); |
| 32 | } |
| 33 | |
| 34 | return res; |
| 35 | } |
| 36 | |
| 37 | protected: |
| 38 | void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override |
| 39 | { |
| 40 | std::string indent_str = settings.one_line ? "": std::string(4 * frame.indent, ' '); |
| 41 | |
| 42 | settings.ostr << settings.nl_or_ws << indent_str << backQuoteIfNeed(name) << " "; |
| 43 | type->formatImpl(settings, state, frame); |
| 44 | } |
| 45 | }; |
| 46 | |
| 47 | |
| 48 | } |
| 49 | |
| 50 |