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
|
#include "clickhouse_config.h"
#include "registerTableFunctions.h"
#if USE_HDFS
#include <Storages/HDFS/StorageHDFS.h>
#include <Storages/ColumnsDescription.h>
#include <TableFunctions/TableFunctionFactory.h>
#error #include <TableFunctions/TableFunctionHDFS.h>
#include <Interpreters/parseColumnsListForTableFunction.h>
#include <Interpreters/Context.h>
#include <Access/Common/AccessFlags.h>
namespace DB
{
StoragePtr TableFunctionHDFS::getStorage(
const String & source, const String & format_, const ColumnsDescription & columns, ContextPtr global_context,
const std::string & table_name, const String & compression_method_) const
{
return std::make_shared<StorageHDFS>(
source,
StorageID(getDatabaseName(), table_name),
format_,
columns,
ConstraintsDescription{},
String{},
global_context,
compression_method_);
}
ColumnsDescription TableFunctionHDFS::getActualTableStructure(ContextPtr context, bool /*is_insert_query*/) const
{
if (structure == "auto")
{
context->checkAccess(getSourceAccessType());
return StorageHDFS::getTableStructureFromData(format, filename, compression_method, context);
}
return parseColumnsListFromString(structure, context);
}
void registerTableFunctionHDFS(TableFunctionFactory & factory)
{
factory.registerFunction<TableFunctionHDFS>();
}
}
#endif
|
