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Merge pull request #1390 from proller/fix6

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Fix: An Error SQL will make server down (#1388)
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alexey-milovidov 2017-10-23 18:10:42 +03:00 committed by GitHub
commit 6555d08782
3 changed files with 11 additions and 1 deletions
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2
dbms/src/DataTypes/DataTypeArray.cpp
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@ -403,7 +403,7 @@ Field DataTypeArray::getDefault() const
static DataTypePtr create(const ASTPtr & arguments) static DataTypePtr create(const ASTPtr & arguments)
{ {
if (arguments->children.size() != 1) if (!arguments || arguments->children.size() != 1)
throw Exception("Array data type family must have exactly one argument - type of elements", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH); throw Exception("Array data type family must have exactly one argument - type of elements", ErrorCodes::NUMBER_OF_ARGUMENTS_DOESNT_MATCH);
DataTypePtr nested_type = DataTypeFactory::instance().get(arguments->children[0]); DataTypePtr nested_type = DataTypeFactory::instance().get(arguments->children[0]);

1
dbms/tests/queries/0_stateless/00507_array_no_params.reference Normal file
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@ -0,0 +1 @@
Still alive

9
dbms/tests/queries/0_stateless/00507_array_no_params.sh Executable file
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@ -0,0 +1,9 @@
#!/usr/bin/env bash
CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
. $CURDIR/../shell_config.sh
$CLICKHOUSE_CLIENT -q "DROP TABLE IF EXISTS test.foo;"
# Missing arguments for array, table not created
$CLICKHOUSE_CLIENT -q "CREATE TABLE test.foo (a Array) Engine=Memory;"
$CLICKHOUSE_CLIENT -q "SELECT 'Still alive';"