1#pragma once
2
3#include <Parsers/IParser.h>
4
5
6namespace DB
7{
8
9/// Parse query or set 'out_error_message'.
10ASTPtr tryParseQuery(
11 IParser & parser,
12 const char * & pos, /// Moved to end of parsed fragment.
13 const char * end,
14 std::string & out_error_message,
15 bool hilite,
16 const std::string & description,
17 bool allow_multi_statements, /// If false, check for non-space characters after semicolon and set error message if any.
18 size_t max_query_size); /// If (end - pos) > max_query_size and query is longer than max_query_size then throws "Max query size exceeded".
19 /// Disabled if zero. Is used in order to check query size if buffer can contains data for INSERT query.
20
21
22/// Parse query or throw an exception with error message.
23ASTPtr parseQueryAndMovePosition(
24 IParser & parser,
25 const char * & pos, /// Moved to end of parsed fragment.
26 const char * end,
27 const std::string & description,
28 bool allow_multi_statements,
29 size_t max_query_size);
30
31
32ASTPtr parseQuery(
33 IParser & parser,
34 const char * begin,
35 const char * end,
36 const std::string & description,
37 size_t max_query_size);
38
39ASTPtr parseQuery(
40 IParser & parser,
41 const std::string & query,
42 const std::string & query_description,
43 size_t max_query_size);
44
45ASTPtr parseQuery(
46 IParser & parser,
47 const std::string & query,
48 size_t max_query_size);
49
50
51/** Split queries separated by ; on to list of single queries
52 * Returns pointer to the end of last successfully parsed query (first), and true if all queries are successfully parsed (second)
53 * NOTE: INSERT's data should be placed in single line.
54 */
55std::pair<const char *, bool> splitMultipartQuery(const std::string & queries, std::vector<std::string> & queries_list);
56
57}
58