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#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;
};
}
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