1 | #include <Parsers/ASTDropQuery.h> |
---|---|
2 | #include <Common/quoteString.h> |
3 | |
4 | |
5 | namespace DB |
6 | { |
7 | |
8 | namespace ErrorCodes |
9 | { |
10 | extern const int SYNTAX_ERROR; |
11 | } |
12 | |
13 | |
14 | String ASTDropQuery::getID(char delim) const |
15 | { |
16 | if (kind == ASTDropQuery::Kind::Drop) |
17 | return "DropQuery"+ (delim + database) + delim + table; |
18 | else if (kind == ASTDropQuery::Kind::Detach) |
19 | return "DetachQuery"+ (delim + database) + delim + table; |
20 | else if (kind == ASTDropQuery::Kind::Truncate) |
21 | return "TruncateQuery"+ (delim + database) + delim + table; |
22 | else |
23 | throw Exception("Not supported kind of drop query.", ErrorCodes::SYNTAX_ERROR); |
24 | } |
25 | |
26 | ASTPtr ASTDropQuery::clone() const |
27 | { |
28 | auto res = std::make_shared<ASTDropQuery>(*this); |
29 | cloneOutputOptions(*res); |
30 | return res; |
31 | } |
32 | |
33 | void ASTDropQuery::formatQueryImpl(const FormatSettings & settings, FormatState &, FormatStateStacked) const |
34 | { |
35 | settings.ostr << (settings.hilite ? hilite_keyword : ""); |
36 | if (kind == ASTDropQuery::Kind::Drop) |
37 | settings.ostr << "DROP "; |
38 | else if (kind == ASTDropQuery::Kind::Detach) |
39 | settings.ostr << "DETACH "; |
40 | else if (kind == ASTDropQuery::Kind::Truncate) |
41 | settings.ostr << "TRUNCATE "; |
42 | else |
43 | throw Exception("Not supported kind of drop query.", ErrorCodes::SYNTAX_ERROR); |
44 | |
45 | if (temporary) |
46 | settings.ostr << "TEMPORARY "; |
47 | |
48 | if (table.empty() && !database.empty()) |
49 | settings.ostr << "DATABASE "; |
50 | else if (!is_dictionary) |
51 | settings.ostr << "TABLE "; |
52 | else |
53 | settings.ostr << "DICTIONARY "; |
54 | |
55 | if (if_exists) |
56 | settings.ostr << "IF EXISTS "; |
57 | |
58 | settings.ostr << (settings.hilite ? hilite_none : ""); |
59 | |
60 | if (table.empty() && !database.empty()) |
61 | settings.ostr << backQuoteIfNeed(database); |
62 | else |
63 | settings.ostr << (!database.empty() ? backQuoteIfNeed(database) + ".": "") << backQuoteIfNeed(table); |
64 | |
65 | formatOnCluster(settings); |
66 | } |
67 | |
68 | } |
69 |