ActiveRecord::Model
  .new
    creates person
    doesn't have id
    doesn't have any else field
    doesn't care about non-defined fields
  .fields
    returns fields defined on model
  #==
    is equal object to object with the same fields
    is not equal to object with the different fields
    is not equal to non-person objects
  #<field>=
    assigns field
  #create
    persists new record to database
    can be used through .create
  .find
    finds record properly
    is of right class
    works correctly with encapsulated levels
  .index
    finds all records
    works correctly with custom methods
  .where(query_hash)
    finds multiple records
  .where(Query)
    finds multiple records by raw parametrized query==3325== Invalid read of size 8
==3325==    at 0x49A585: GC_generic_malloc_many (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x4A38DE: GC_malloc_atomic (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x414355: __crystal_malloc_atomic (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41A0D5: *GC::malloc_atomic<UInt32>:Pointer(Void) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41D3FB: *String::new<Pointer(UInt8), UInt32, Int32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41D3C6: *String::new<Pointer(UInt8), UInt32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x440175: *MySQL::Support::string_from_uint8<Pointer(UInt8), UInt32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E96A: *MySQL::Connection#fetch_value<MySQL::Connection, Pointer(LibMySQL::MySQLField), Pointer(UInt8), UInt32>:(Nil | String | Int32 | Int64 | Float64 | Time) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E782: *MySQL::Connection#fetch_row<MySQL::Connection, Pointer(Pointer(Void)), Array(Pointer(LibMySQL::MySQLField))>:Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date)? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E581: *MySQL::Connection#query<MySQL::Connection, String>:Array(Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date))? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x45B8E5: *MySQL::Query#run<MySQL::Query, MySQL::Connection>:Array(Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date))? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43A53F: *MysqlAdapter::Adapter#_where<MysqlAdapter::Adapter, String, Hash(String, String | Int8 | Int32 | Int16 | Int64 | UInt8 | UInt32 | UInt16 | UInt64 | Int::Null | String::Null)>:Array(Hash(String, String | Int8 | Int32 | Int16 | Int64 | UInt8 | UInt32 | UInt16 | UInt64 | Int::Null | String::Null)) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==  Address 0x20666f2073746f4c is not stack'd, malloc'd or (recently) free'd
==3325==
==3325==
==3325== Process terminating with default action of signal 11 (SIGSEGV)
==3325==  General Protection Fault
==3325==    at 0x49A585: GC_generic_malloc_many (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x4A38DE: GC_malloc_atomic (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x414355: __crystal_malloc_atomic (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41A0D5: *GC::malloc_atomic<UInt32>:Pointer(Void) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41D3FB: *String::new<Pointer(UInt8), UInt32, Int32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x41D3C6: *String::new<Pointer(UInt8), UInt32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x440175: *MySQL::Support::string_from_uint8<Pointer(UInt8), UInt32>:String (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E96A: *MySQL::Connection#fetch_value<MySQL::Connection, Pointer(LibMySQL::MySQLField), Pointer(UInt8), UInt32>:(Nil | String | Int32 | Int64 | Float64 | Time) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E782: *MySQL::Connection#fetch_row<MySQL::Connection, Pointer(Pointer(Void)), Array(Pointer(LibMySQL::MySQLField))>:Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date)? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43E581: *MySQL::Connection#query<MySQL::Connection, String>:Array(Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date))? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x45B8E5: *MySQL::Query#run<MySQL::Query, MySQL::Connection>:Array(Array(Nil | String | Int32 | Int64 | Float64 | Time | Bool | MySQL::Types::Date))? (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==    by 0x43A53F: *MysqlAdapter::Adapter#_where<MysqlAdapter::Adapter, String, Hash(String, String | Int8 | Int32 | Int16 | Int64 | UInt8 | UInt32 | UInt16 | UInt64 | Int::Null | String::Null)>:Array(Hash(String, String | Int8 | Int32 | Int16 | Int64 | UInt8 | UInt32 | UInt16 | UInt64 | Int::Null | String::Null)) (in /home/oleksii/code/github/waterlink/mysql_adapter.cr/integration/integration_spec)
==3325==
==3325== HEAP SUMMARY:
==3325==     in use at exit: 178,224 bytes in 61 blocks
==3325==   total heap usage: 228 allocs, 167 frees, 642,920 bytes allocated
==3325==
==3325== LEAK SUMMARY:
==3325==    definitely lost: 0 bytes in 0 blocks
==3325==    indirectly lost: 0 bytes in 0 blocks
==3325==      possibly lost: 864 bytes in 3 blocks
==3325==    still reachable: 177,360 bytes in 58 blocks
==3325==         suppressed: 0 bytes in 0 blocks
==3325== Rerun with --leak-check=full to see details of leaked memory
==3325==
==3325== For counts of detected and suppressed errors, rerun with: -v
==3325== Use --track-origins=yes to see where uninitialised values come from
==3325== ERROR SUMMARY: 320 errors from 18 contexts (suppressed: 0 from 0)