mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-03 04:52:10 +00:00
33d99c8ffb
Add allow_settings_after_format_in_insert setting, OFF by default. Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com> v2: s/parser_settings_after_format_compact/allow_settings_after_format_in_insert/ (suggested by vitlibar) v3: replace ParserSettings with a flag (requested by vitlibar)
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
#pragma once
|
|
|
|
#include <Parsers/IParserBase.h>
|
|
|
|
|
|
namespace DB
|
|
{
|
|
|
|
|
|
/** Cases:
|
|
*
|
|
* Normal case:
|
|
* INSERT INTO [db.]table (c1, c2, c3) VALUES (v11, v12, v13), (v21, v22, v23), ...
|
|
* INSERT INTO [db.]table VALUES (v11, v12, v13), (v21, v22, v23), ...
|
|
*
|
|
* Insert of data in an arbitrary format.
|
|
* The data itself comes after LF(line feed), if it exists, or after all the whitespace characters, otherwise.
|
|
* INSERT INTO [db.]table (c1, c2, c3) FORMAT format \n ...
|
|
* INSERT INTO [db.]table FORMAT format \n ...
|
|
*
|
|
* Insert the result of the SELECT or WATCH query.
|
|
* INSERT INTO [db.]table (c1, c2, c3) SELECT | WATCH ...
|
|
* INSERT INTO [db.]table SELECT | WATCH ...
|
|
*/
|
|
class ParserInsertQuery : public IParserBase
|
|
{
|
|
private:
|
|
const char * end;
|
|
bool allow_settings_after_format_in_insert;
|
|
|
|
const char * getName() const override { return "INSERT query"; }
|
|
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
|
|
public:
|
|
explicit ParserInsertQuery(const char * end_, bool allow_settings_after_format_in_insert_)
|
|
: end(end_)
|
|
, allow_settings_after_format_in_insert(allow_settings_after_format_in_insert_)
|
|
{}
|
|
};
|
|
|
|
/** Insert accepts an identifier and an asterisk with variants.
|
|
*/
|
|
class ParserInsertElement : public IParserBase
|
|
{
|
|
protected:
|
|
const char * getName() const override { return "insert element"; }
|
|
bool parseImpl(Pos & pos, ASTPtr & node, Expected & expected) override;
|
|
};
|
|
|
|
}
|