| 36 | } |
| 37 | |
| 38 | MySQLDDLQueryParams parseMySQLDDLQuery(const String & ddl) |
| 39 | { |
| 40 | MySQLDDLQueryParams params; |
| 41 | params.query = ddl; |
| 42 | if (ddl.empty()) return params; |
| 43 | |
| 44 | bool parse_failed = false; |
| 45 | Tokens tokens(ddl.data(), ddl.data() + ddl.size()); |
| 46 | IParser::Pos pos(tokens, 0); |
| 47 | Expected expected; |
| 48 | ASTPtr res; |
| 49 | ASTPtr table; |
| 50 | if (ParserKeyword("CREATE TEMPORARY TABLE").ignore(pos, expected) || ParserKeyword("CREATE TABLE").ignore(pos, expected)) |
| 51 | { |
| 52 | ParserKeyword("IF NOT EXISTS").ignore(pos, expected); |
| 53 | if (!ParserCompoundIdentifier(true).parse(pos, table, expected)) |
| 54 | parse_failed = true; |
| 55 | else |
| 56 | params.query_type = MySQLDDLQueryParams::CREATE_TABLE; |
| 57 | } |
| 58 | else if (ParserKeyword("ALTER TABLE").ignore(pos, expected)) |
| 59 | { |
| 60 | if (!ParserCompoundIdentifier(true).parse(pos, table, expected)) |
| 61 | parse_failed = true; |
| 62 | else |
| 63 | params.query_type = MySQLDDLQueryParams::ALTER_TABLE; |
| 64 | } |
| 65 | else if (ParserKeyword("DROP TABLE").ignore(pos, expected) || ParserKeyword("DROP TEMPORARY TABLE").ignore(pos, expected)) |
| 66 | { |
| 67 | ParserKeyword("IF EXISTS").ignore(pos, expected); |
| 68 | if (!ParserCompoundIdentifier(true).parse(pos, table, expected)) |
| 69 | parse_failed = true; |
| 70 | else |
| 71 | params.query_type = MySQLDDLQueryParams::DROP_TABLE; |
| 72 | } |
| 73 | else if (ParserKeyword("TRUNCATE").ignore(pos, expected)) |
| 74 | { |
| 75 | ParserKeyword("TABLE").ignore(pos, expected); |
| 76 | if (!ParserCompoundIdentifier(true).parse(pos, table, expected)) |
| 77 | parse_failed = true; |
| 78 | else |
| 79 | params.query_type = MySQLDDLQueryParams::TRUNCATE_TABLE; |
| 80 | } |
| 81 | else if (ParserKeyword("RENAME TABLE").ignore(pos, expected)) |
| 82 | { |
| 83 | if (!ParserCompoundIdentifier(true).parse(pos, table, expected)) |
| 84 | parse_failed = true; |
| 85 | else |
| 86 | { |
| 87 | ParserKeyword("TO").ignore(pos, expected); |
| 88 | ASTPtr to_table; |
| 89 | if (!ParserCompoundIdentifier(true).parse(pos, to_table, expected)) |
| 90 | parse_failed = true; |
| 91 | else |
| 92 | { |
| 93 | params.query_type = MySQLDDLQueryParams::RENAME_TABLE; |
| 94 | |
| 95 | auto storage_id = to_table->as<ASTTableIdentifier>()->getTableId(); |
no test coverage detected