1 | #include <Parsers/ASTColumnDeclaration.h> |
2 | #include <Common/quoteString.h> |
3 | |
4 | |
5 | namespace DB |
6 | { |
7 | |
8 | ASTPtr ASTColumnDeclaration::clone() const |
9 | { |
10 | const auto res = std::make_shared<ASTColumnDeclaration>(*this); |
11 | res->children.clear(); |
12 | |
13 | if (type) |
14 | { |
15 | res->type = type; |
16 | res->children.push_back(res->type); |
17 | } |
18 | |
19 | if (default_expression) |
20 | { |
21 | res->default_expression = default_expression->clone(); |
22 | res->children.push_back(res->default_expression); |
23 | } |
24 | |
25 | if (comment) |
26 | { |
27 | res->comment = comment->clone(); |
28 | res->children.push_back(res->comment); |
29 | } |
30 | |
31 | if (codec) |
32 | { |
33 | res->codec = codec->clone(); |
34 | res->children.push_back(res->codec); |
35 | } |
36 | |
37 | if (ttl) |
38 | { |
39 | res->ttl = ttl->clone(); |
40 | res->children.push_back(res->ttl); |
41 | } |
42 | |
43 | return res; |
44 | } |
45 | |
46 | void ASTColumnDeclaration::formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const |
47 | { |
48 | frame.need_parens = false; |
49 | |
50 | if (!settings.one_line) |
51 | settings.ostr << settings.nl_or_ws << std::string(4 * frame.indent, ' '); |
52 | |
53 | /// We have to always backquote column names to avoid ambiguouty with INDEX and other declarations in CREATE query. |
54 | settings.ostr << backQuote(name); |
55 | |
56 | if (type) |
57 | { |
58 | settings.ostr << ' '; |
59 | type->formatImpl(settings, state, frame); |
60 | } |
61 | |
62 | if (default_expression) |
63 | { |
64 | settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "" ) << default_specifier << (settings.hilite ? hilite_none : "" ) << ' '; |
65 | default_expression->formatImpl(settings, state, frame); |
66 | } |
67 | |
68 | if (comment) |
69 | { |
70 | settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "" ) << "COMMENT" << (settings.hilite ? hilite_none : "" ) << ' '; |
71 | comment->formatImpl(settings, state, frame); |
72 | } |
73 | |
74 | if (codec) |
75 | { |
76 | settings.ostr << ' '; |
77 | codec->formatImpl(settings, state, frame); |
78 | } |
79 | |
80 | if (ttl) |
81 | { |
82 | settings.ostr << ' ' << (settings.hilite ? hilite_keyword : "" ) << "TTL" << (settings.hilite ? hilite_none : "" ) << ' '; |
83 | ttl->formatImpl(settings, state, frame); |
84 | } |
85 | } |
86 | |
87 | } |
88 | |