blob: 873a316e653880881f25bea0ffefbe6bb23dd883 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#pragma once
#include <Parsers/IAST.h>
#include <Parsers/ASTIdentifier_fwd.h>
#include <Common/quoteString.h>
#include <IO/Operators.h>
namespace DB
{
/** USE query
*/
class ASTUseQuery : public IAST
{
public:
IAST * database;
String getDatabase() const
{
String name;
tryGetIdentifierNameInto(database, name);
return name;
}
/** Get the text that identifies this element. */
String getID(char delim) const override { return "UseQuery" + (delim + getDatabase()); }
ASTPtr clone() const override
{
auto res = std::make_shared<ASTUseQuery>(*this);
res->children.clear();
if (database)
res->set(res->database, database->clone());
return res;
}
QueryKind getQueryKind() const override { return QueryKind::Use; }
protected:
void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override
{
settings.ostr << (settings.hilite ? hilite_keyword : "") << "USE " << (settings.hilite ? hilite_none : "");
database->formatImpl(settings, state, frame);
}
};
}
|
