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Fix segmentation fault in database factory

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This commit is contained in:
alesapin 2019-10-14 12:21:29 +03:00
parent 155731a676
commit 67ea66604f
3 changed files with 33 additions and 3 deletions
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12
dbms/src/Databases/DatabaseFactory.cpp
View File

@ -53,7 +53,10 @@ DatabasePtr DatabaseFactory::get(
else if (engine_name == "MySQL")
{
const ASTFunction * engine = engine_define->engine;
const auto & arguments = engine->arguments->children;
std::vector<ASTPtr> arguments;
if (engine->arguments)
arguments = engine->arguments->children;
if (arguments.size() != 4)
throw Exception("MySQL Database require mysql_hostname, mysql_database_name, mysql_username, mysql_password arguments.",
@ -74,10 +77,13 @@ DatabasePtr DatabaseFactory::get(
else if (engine_name == "Lazy")
{
const ASTFunction * engine = engine_define->engine;
const auto & arguments = engine->arguments->children;
std::vector<ASTPtr> arguments;
if (engine->arguments)
arguments = engine->arguments->children;
if (arguments.size() != 1)
throw Exception("Lazy database require cache_expiration_time_seconds argument.",
throw Exception("Lazy database require cache_expiration_time_seconds argument",
ErrorCodes::BAD_ARGUMENTS);
const auto cache_expiration_time_seconds = arguments[0]->as<ASTLiteral>()->value.safeGet<UInt64>();

2
dbms/tests/queries/0_stateless/01018_ddl_dictionaries_create.reference
View File

@ -23,3 +23,5 @@ dict2
memory_db dict2
==DROP DICTIONARY
0
=DICTIONARY in Dictionary DB
=DICTIONARY in Lazy DB

22
dbms/tests/queries/0_stateless/01018_ddl_dictionaries_create.sql
View File

@ -117,6 +117,8 @@ DROP DATABASE IF EXISTS dictionary_db;
CREATE DATABASE dictionary_db ENGINE = Dictionary;
SELECT '=DICTIONARY in Dictionary DB';
CREATE DICTIONARY dictionary_db.dict2
(
key_column UInt64 DEFAULT 0 INJECTIVE HIERARCHICAL,
@ -129,3 +131,23 @@ LIFETIME(MIN 1 MAX 10)
LAYOUT(FLAT()); -- {serverError 1}
DROP DATABASE IF EXISTS dictionary_db;
SELECT '=DICTIONARY in Lazy DB';
DROP DATABASE IF EXISTS lazy_db;
CREATE DATABASE lazy_db ENGINE = Lazy(1);
CREATE DICTIONARY lazy_db.dict3
(
key_column UInt64 DEFAULT 0 INJECTIVE HIERARCHICAL,
second_column UInt8 DEFAULT 1 EXPRESSION rand() % 222,
third_column String DEFAULT 'qqq'
)
PRIMARY KEY key_column, second_column
SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'table_for_dict' PASSWORD ''))
LIFETIME(MIN 1 MAX 10)
LAYOUT(FLAT()); -- {serverError 1}
DROP DATABASE IF EXISTS lazy_db;