http://git-wip-us.apache.org/repos/asf/phoenix/blob/a0094991/python/phoenixdb/phoenixdb/avatica/proto/common_pb2.py
----------------------------------------------------------------------
diff --git a/python/phoenixdb/phoenixdb/avatica/proto/common_pb2.py 
b/python/phoenixdb/phoenixdb/avatica/proto/common_pb2.py
new file mode 100644
index 0000000..3c99502
--- /dev/null
+++ b/python/phoenixdb/phoenixdb/avatica/proto/common_pb2.py
@@ -0,0 +1,1667 @@
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: common.proto
+
+import sys
+_b=sys.version_info[0]<3 and (lambda x:x) or (lambda x:x.encode('latin1'))
+from google.protobuf.internal import enum_type_wrapper
+from google.protobuf import descriptor as _descriptor
+from google.protobuf import message as _message
+from google.protobuf import reflection as _reflection
+from google.protobuf import symbol_database as _symbol_database
+from google.protobuf import descriptor_pb2
+# @@protoc_insertion_point(imports)
+
+_sym_db = _symbol_database.Default()
+
+
+
+
+DESCRIPTOR = _descriptor.FileDescriptor(
+  name='common.proto',
+  package='',
+  syntax='proto3',
+  
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_SUPER_TABLES\x10\x12\x12\x13\n\x0fGET_SUPER_TYPES\x10\x13\x12\x18\n\x14GET_TABLE_PRIVILEGES\x10\x14\x12\x0e\n\nGET_TABLES\x10\x15\x12\x13\n\x0fGET_TABLE_TYPES\x10\x16\x12\x11\n\rGET_TYPE_INFO\x10\x17\x12\x0c\n\x08GET_UDTS\x10\x18\x12\x17\n\x13GET_VERSION_COLUMNS\x10\x19*\"\n\tStateType\x12\x07\n\x03SQL\x10\x00\x12\x0c\n\x08METADATA\x10\x01\x42\"\n
 org.apache.calcite.avatica.protob\x06proto3')
+)
+_sym_db.RegisterFileDescriptor(DESCRIPTOR)
+
+_STATEMENTTYPE = _descriptor.EnumDescriptor(
+  name='StatementType',
+  full_name='StatementType',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='SELECT', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='INSERT', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='UPDATE', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='DELETE', index=3, number=3,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='UPSERT', index=4, number=4,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='MERGE', index=5, number=5,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='OTHER_DML', index=6, number=6,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='CREATE', index=7, number=7,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='DROP', index=8, number=8,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='ALTER', index=9, number=9,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='OTHER_DDL', index=10, number=10,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='CALL', index=11, number=11,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=2426,
+  serialized_end=2585,
+)
+_sym_db.RegisterEnumDescriptor(_STATEMENTTYPE)
+
+StatementType = enum_type_wrapper.EnumTypeWrapper(_STATEMENTTYPE)
+_REP = _descriptor.EnumDescriptor(
+  name='Rep',
+  full_name='Rep',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_BOOLEAN', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_BYTE', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_CHAR', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_SHORT', index=3, number=3,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_INT', index=4, number=4,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_LONG', index=5, number=5,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_FLOAT', index=6, number=6,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='PRIMITIVE_DOUBLE', index=7, number=7,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BOOLEAN', index=8, number=8,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BYTE', index=9, number=9,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='CHARACTER', index=10, number=10,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='SHORT', index=11, number=11,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='INTEGER', index=12, number=12,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='LONG', index=13, number=13,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='FLOAT', index=14, number=14,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='DOUBLE', index=15, number=15,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BIG_INTEGER', index=16, number=25,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BIG_DECIMAL', index=17, number=26,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='JAVA_SQL_TIME', index=18, number=16,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='JAVA_SQL_TIMESTAMP', index=19, number=17,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='JAVA_SQL_DATE', index=20, number=18,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='JAVA_UTIL_DATE', index=21, number=19,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BYTE_STRING', index=22, number=20,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='STRING', index=23, number=21,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='NUMBER', index=24, number=22,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='OBJECT', index=25, number=23,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='NULL', index=26, number=24,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='ARRAY', index=27, number=27,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='STRUCT', index=28, number=28,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='MULTISET', index=29, number=29,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=2588,
+  serialized_end=3070,
+)
+_sym_db.RegisterEnumDescriptor(_REP)
+
+Rep = enum_type_wrapper.EnumTypeWrapper(_REP)
+_SEVERITY = _descriptor.EnumDescriptor(
+  name='Severity',
+  full_name='Severity',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='UNKNOWN_SEVERITY', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='FATAL_SEVERITY', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='ERROR_SEVERITY', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='WARNING_SEVERITY', index=3, number=3,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=3072,
+  serialized_end=3166,
+)
+_sym_db.RegisterEnumDescriptor(_SEVERITY)
+
+Severity = enum_type_wrapper.EnumTypeWrapper(_SEVERITY)
+_METADATAOPERATION = _descriptor.EnumDescriptor(
+  name='MetaDataOperation',
+  full_name='MetaDataOperation',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='GET_ATTRIBUTES', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_BEST_ROW_IDENTIFIER', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_CATALOGS', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_CLIENT_INFO_PROPERTIES', index=3, number=3,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_COLUMN_PRIVILEGES', index=4, number=4,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_COLUMNS', index=5, number=5,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_CROSS_REFERENCE', index=6, number=6,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_EXPORTED_KEYS', index=7, number=7,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_FUNCTION_COLUMNS', index=8, number=8,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_FUNCTIONS', index=9, number=9,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_IMPORTED_KEYS', index=10, number=10,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_INDEX_INFO', index=11, number=11,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_PRIMARY_KEYS', index=12, number=12,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_PROCEDURE_COLUMNS', index=13, number=13,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_PROCEDURES', index=14, number=14,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_PSEUDO_COLUMNS', index=15, number=15,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_SCHEMAS', index=16, number=16,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_SCHEMAS_WITH_ARGS', index=17, number=17,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_SUPER_TABLES', index=18, number=18,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_SUPER_TYPES', index=19, number=19,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_TABLE_PRIVILEGES', index=20, number=20,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_TABLES', index=21, number=21,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_TABLE_TYPES', index=22, number=22,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_TYPE_INFO', index=23, number=23,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_UDTS', index=24, number=24,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='GET_VERSION_COLUMNS', index=25, number=25,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=3169,
+  serialized_end=3768,
+)
+_sym_db.RegisterEnumDescriptor(_METADATAOPERATION)
+
+MetaDataOperation = enum_type_wrapper.EnumTypeWrapper(_METADATAOPERATION)
+_STATETYPE = _descriptor.EnumDescriptor(
+  name='StateType',
+  full_name='StateType',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='SQL', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='METADATA', index=1, number=1,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=3770,
+  serialized_end=3804,
+)
+_sym_db.RegisterEnumDescriptor(_STATETYPE)
+
+StateType = enum_type_wrapper.EnumTypeWrapper(_STATETYPE)
+SELECT = 0
+INSERT = 1
+UPDATE = 2
+DELETE = 3
+UPSERT = 4
+MERGE = 5
+OTHER_DML = 6
+CREATE = 7
+DROP = 8
+ALTER = 9
+OTHER_DDL = 10
+CALL = 11
+PRIMITIVE_BOOLEAN = 0
+PRIMITIVE_BYTE = 1
+PRIMITIVE_CHAR = 2
+PRIMITIVE_SHORT = 3
+PRIMITIVE_INT = 4
+PRIMITIVE_LONG = 5
+PRIMITIVE_FLOAT = 6
+PRIMITIVE_DOUBLE = 7
+BOOLEAN = 8
+BYTE = 9
+CHARACTER = 10
+SHORT = 11
+INTEGER = 12
+LONG = 13
+FLOAT = 14
+DOUBLE = 15
+BIG_INTEGER = 25
+BIG_DECIMAL = 26
+JAVA_SQL_TIME = 16
+JAVA_SQL_TIMESTAMP = 17
+JAVA_SQL_DATE = 18
+JAVA_UTIL_DATE = 19
+BYTE_STRING = 20
+STRING = 21
+NUMBER = 22
+OBJECT = 23
+NULL = 24
+ARRAY = 27
+STRUCT = 28
+MULTISET = 29
+UNKNOWN_SEVERITY = 0
+FATAL_SEVERITY = 1
+ERROR_SEVERITY = 2
+WARNING_SEVERITY = 3
+GET_ATTRIBUTES = 0
+GET_BEST_ROW_IDENTIFIER = 1
+GET_CATALOGS = 2
+GET_CLIENT_INFO_PROPERTIES = 3
+GET_COLUMN_PRIVILEGES = 4
+GET_COLUMNS = 5
+GET_CROSS_REFERENCE = 6
+GET_EXPORTED_KEYS = 7
+GET_FUNCTION_COLUMNS = 8
+GET_FUNCTIONS = 9
+GET_IMPORTED_KEYS = 10
+GET_INDEX_INFO = 11
+GET_PRIMARY_KEYS = 12
+GET_PROCEDURE_COLUMNS = 13
+GET_PROCEDURES = 14
+GET_PSEUDO_COLUMNS = 15
+GET_SCHEMAS = 16
+GET_SCHEMAS_WITH_ARGS = 17
+GET_SUPER_TABLES = 18
+GET_SUPER_TYPES = 19
+GET_TABLE_PRIVILEGES = 20
+GET_TABLES = 21
+GET_TABLE_TYPES = 22
+GET_TYPE_INFO = 23
+GET_UDTS = 24
+GET_VERSION_COLUMNS = 25
+SQL = 0
+METADATA = 1
+
+
+_CURSORFACTORY_STYLE = _descriptor.EnumDescriptor(
+  name='Style',
+  full_name='CursorFactory.Style',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='OBJECT', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='RECORD', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='RECORD_PROJECTION', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='ARRAY', index=3, number=3,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='LIST', index=4, number=4,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='MAP', index=5, number=5,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=1278,
+  serialized_end=1362,
+)
+_sym_db.RegisterEnumDescriptor(_CURSORFACTORY_STYLE)
+
+_METADATAOPERATIONARGUMENT_ARGUMENTTYPE = _descriptor.EnumDescriptor(
+  name='ArgumentType',
+  full_name='MetaDataOperationArgument.ArgumentType',
+  filename=None,
+  file=DESCRIPTOR,
+  values=[
+    _descriptor.EnumValueDescriptor(
+      name='STRING', index=0, number=0,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='BOOL', index=1, number=1,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='INT', index=2, number=2,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='REPEATED_STRING', index=3, number=3,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='REPEATED_INT', index=4, number=4,
+      options=None,
+      type=None),
+    _descriptor.EnumValueDescriptor(
+      name='NULL', index=5, number=5,
+      options=None,
+      type=None),
+  ],
+  containing_type=None,
+  options=None,
+  serialized_start=2150,
+  serialized_end=2244,
+)
+_sym_db.RegisterEnumDescriptor(_METADATAOPERATIONARGUMENT_ARGUMENTTYPE)
+
+
+_CONNECTIONPROPERTIES = _descriptor.Descriptor(
+  name='ConnectionProperties',
+  full_name='ConnectionProperties',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='is_dirty', full_name='ConnectionProperties.is_dirty', index=0,
+      number=1, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='auto_commit', full_name='ConnectionProperties.auto_commit', 
index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_auto_commit', 
full_name='ConnectionProperties.has_auto_commit', index=2,
+      number=7, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='read_only', full_name='ConnectionProperties.read_only', index=3,
+      number=3, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_read_only', full_name='ConnectionProperties.has_read_only', 
index=4,
+      number=8, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='transaction_isolation', 
full_name='ConnectionProperties.transaction_isolation', index=5,
+      number=4, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='catalog', full_name='ConnectionProperties.catalog', index=6,
+      number=5, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='schema', full_name='ConnectionProperties.schema', index=7,
+      number=6, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=17,
+  serialized_end=209,
+)
+
+
+_STATEMENTHANDLE = _descriptor.Descriptor(
+  name='StatementHandle',
+  full_name='StatementHandle',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='connection_id', full_name='StatementHandle.connection_id', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='id', full_name='StatementHandle.id', index=1,
+      number=2, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='signature', full_name='StatementHandle.signature', index=2,
+      number=3, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=211,
+  serialized_end=294,
+)
+
+
+_SIGNATURE = _descriptor.Descriptor(
+  name='Signature',
+  full_name='Signature',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='columns', full_name='Signature.columns', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='sql', full_name='Signature.sql', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='parameters', full_name='Signature.parameters', index=2,
+      number=3, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='cursor_factory', full_name='Signature.cursor_factory', index=3,
+      number=4, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='statementType', full_name='Signature.statementType', index=4,
+      number=5, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=297,
+  serialized_end=473,
+)
+
+
+_COLUMNMETADATA = _descriptor.Descriptor(
+  name='ColumnMetaData',
+  full_name='ColumnMetaData',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='ordinal', full_name='ColumnMetaData.ordinal', index=0,
+      number=1, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='auto_increment', full_name='ColumnMetaData.auto_increment', 
index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='case_sensitive', full_name='ColumnMetaData.case_sensitive', 
index=2,
+      number=3, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='searchable', full_name='ColumnMetaData.searchable', index=3,
+      number=4, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='currency', full_name='ColumnMetaData.currency', index=4,
+      number=5, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='nullable', full_name='ColumnMetaData.nullable', index=5,
+      number=6, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='signed', full_name='ColumnMetaData.signed', index=6,
+      number=7, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='display_size', full_name='ColumnMetaData.display_size', index=7,
+      number=8, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='label', full_name='ColumnMetaData.label', index=8,
+      number=9, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='column_name', full_name='ColumnMetaData.column_name', index=9,
+      number=10, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='schema_name', full_name='ColumnMetaData.schema_name', index=10,
+      number=11, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='precision', full_name='ColumnMetaData.precision', index=11,
+      number=12, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='scale', full_name='ColumnMetaData.scale', index=12,
+      number=13, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='table_name', full_name='ColumnMetaData.table_name', index=13,
+      number=14, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='catalog_name', full_name='ColumnMetaData.catalog_name', index=14,
+      number=15, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='read_only', full_name='ColumnMetaData.read_only', index=15,
+      number=16, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='writable', full_name='ColumnMetaData.writable', index=16,
+      number=17, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='definitely_writable', 
full_name='ColumnMetaData.definitely_writable', index=17,
+      number=18, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='column_class_name', full_name='ColumnMetaData.column_class_name', 
index=18,
+      number=19, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='type', full_name='ColumnMetaData.type', index=19,
+      number=20, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=476,
+  serialized_end=905,
+)
+
+
+_AVATICATYPE = _descriptor.Descriptor(
+  name='AvaticaType',
+  full_name='AvaticaType',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='id', full_name='AvaticaType.id', index=0,
+      number=1, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='name', full_name='AvaticaType.name', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='rep', full_name='AvaticaType.rep', index=2,
+      number=3, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='columns', full_name='AvaticaType.columns', index=3,
+      number=4, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='component', full_name='AvaticaType.component', index=4,
+      number=5, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=907,
+  serialized_end=1032,
+)
+
+
+_AVATICAPARAMETER = _descriptor.Descriptor(
+  name='AvaticaParameter',
+  full_name='AvaticaParameter',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='signed', full_name='AvaticaParameter.signed', index=0,
+      number=1, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='precision', full_name='AvaticaParameter.precision', index=1,
+      number=2, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='scale', full_name='AvaticaParameter.scale', index=2,
+      number=3, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='parameter_type', full_name='AvaticaParameter.parameter_type', 
index=3,
+      number=4, type=13, cpp_type=3, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='type_name', full_name='AvaticaParameter.type_name', index=4,
+      number=5, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='class_name', full_name='AvaticaParameter.class_name', index=5,
+      number=6, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='name', full_name='AvaticaParameter.name', index=6,
+      number=7, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1035,
+  serialized_end=1180,
+)
+
+
+_CURSORFACTORY = _descriptor.Descriptor(
+  name='CursorFactory',
+  full_name='CursorFactory',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='style', full_name='CursorFactory.style', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='class_name', full_name='CursorFactory.class_name', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='field_names', full_name='CursorFactory.field_names', index=2,
+      number=3, type=9, cpp_type=9, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+    _CURSORFACTORY_STYLE,
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1183,
+  serialized_end=1362,
+)
+
+
+_FRAME = _descriptor.Descriptor(
+  name='Frame',
+  full_name='Frame',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='offset', full_name='Frame.offset', index=0,
+      number=1, type=4, cpp_type=4, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='done', full_name='Frame.done', index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='rows', full_name='Frame.rows', index=2,
+      number=3, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1364,
+  serialized_end=1421,
+)
+
+
+_ROW = _descriptor.Descriptor(
+  name='Row',
+  full_name='Row',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='value', full_name='Row.value', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1423,
+  serialized_end=1457,
+)
+
+
+_DATABASEPROPERTY = _descriptor.Descriptor(
+  name='DatabaseProperty',
+  full_name='DatabaseProperty',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='name', full_name='DatabaseProperty.name', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='functions', full_name='DatabaseProperty.functions', index=1,
+      number=2, type=9, cpp_type=9, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1459,
+  serialized_end=1510,
+)
+
+
+_WIREMESSAGE = _descriptor.Descriptor(
+  name='WireMessage',
+  full_name='WireMessage',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='name', full_name='WireMessage.name', index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='wrapped_message', full_name='WireMessage.wrapped_message', index=1,
+      number=2, type=12, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b(""),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1512,
+  serialized_end=1564,
+)
+
+
+_COLUMNVALUE = _descriptor.Descriptor(
+  name='ColumnValue',
+  full_name='ColumnValue',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='value', full_name='ColumnValue.value', index=0,
+      number=1, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='array_value', full_name='ColumnValue.array_value', index=1,
+      number=2, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_array_value', full_name='ColumnValue.has_array_value', index=2,
+      number=3, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='scalar_value', full_name='ColumnValue.scalar_value', index=3,
+      number=4, type=11, cpp_type=10, label=1,
+      has_default_value=False, default_value=None,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1567,
+  serialized_end=1702,
+)
+
+
+_TYPEDVALUE = _descriptor.Descriptor(
+  name='TypedValue',
+  full_name='TypedValue',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='type', full_name='TypedValue.type', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='bool_value', full_name='TypedValue.bool_value', index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='string_value', full_name='TypedValue.string_value', index=2,
+      number=3, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='number_value', full_name='TypedValue.number_value', index=3,
+      number=4, type=18, cpp_type=2, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='bytes_value', full_name='TypedValue.bytes_value', index=4,
+      number=5, type=12, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b(""),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='double_value', full_name='TypedValue.double_value', index=5,
+      number=6, type=1, cpp_type=5, label=1,
+      has_default_value=False, default_value=float(0),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='null', full_name='TypedValue.null', index=6,
+      number=7, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='array_value', full_name='TypedValue.array_value', index=7,
+      number=8, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='component_type', full_name='TypedValue.component_type', index=8,
+      number=9, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='implicitly_null', full_name='TypedValue.implicitly_null', index=9,
+      number=10, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1705,
+  serialized_end=1947,
+)
+
+
+_METADATAOPERATIONARGUMENT = _descriptor.Descriptor(
+  name='MetaDataOperationArgument',
+  full_name='MetaDataOperationArgument',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='string_value', full_name='MetaDataOperationArgument.string_value', 
index=0,
+      number=1, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='bool_value', full_name='MetaDataOperationArgument.bool_value', 
index=1,
+      number=2, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='int_value', full_name='MetaDataOperationArgument.int_value', 
index=2,
+      number=3, type=17, cpp_type=1, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='string_array_values', 
full_name='MetaDataOperationArgument.string_array_values', index=3,
+      number=4, type=9, cpp_type=9, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='int_array_values', 
full_name='MetaDataOperationArgument.int_array_values', index=4,
+      number=5, type=17, cpp_type=1, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='type', full_name='MetaDataOperationArgument.type', index=5,
+      number=6, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+    _METADATAOPERATIONARGUMENT_ARGUMENTTYPE,
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=1950,
+  serialized_end=2244,
+)
+
+
+_QUERYSTATE = _descriptor.Descriptor(
+  name='QueryState',
+  full_name='QueryState',
+  filename=None,
+  file=DESCRIPTOR,
+  containing_type=None,
+  fields=[
+    _descriptor.FieldDescriptor(
+      name='type', full_name='QueryState.type', index=0,
+      number=1, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='sql', full_name='QueryState.sql', index=1,
+      number=2, type=9, cpp_type=9, label=1,
+      has_default_value=False, default_value=_b("").decode('utf-8'),
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='op', full_name='QueryState.op', index=2,
+      number=3, type=14, cpp_type=8, label=1,
+      has_default_value=False, default_value=0,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='args', full_name='QueryState.args', index=3,
+      number=4, type=11, cpp_type=10, label=3,
+      has_default_value=False, default_value=[],
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_args', full_name='QueryState.has_args', index=4,
+      number=5, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_sql', full_name='QueryState.has_sql', index=5,
+      number=6, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+    _descriptor.FieldDescriptor(
+      name='has_op', full_name='QueryState.has_op', index=6,
+      number=7, type=8, cpp_type=7, label=1,
+      has_default_value=False, default_value=False,
+      message_type=None, enum_type=None, containing_type=None,
+      is_extension=False, extension_scope=None,
+      options=None),
+  ],
+  extensions=[
+  ],
+  nested_types=[],
+  enum_types=[
+  ],
+  options=None,
+  is_extendable=False,
+  syntax='proto3',
+  extension_ranges=[],
+  oneofs=[
+  ],
+  serialized_start=2247,
+  serialized_end=2423,
+)
+
+_STATEMENTHANDLE.fields_by_name['signature'].message_type = _SIGNATURE
+_SIGNATURE.fields_by_name['columns'].message_type = _COLUMNMETADATA
+_SIGNATURE.fields_by_name['parameters'].message_type = _AVATICAPARAMETER
+_SIGNATURE.fields_by_name['cursor_factory'].message_type = _CURSORFACTORY
+_SIGNATURE.fields_by_name['statementType'].enum_type = _STATEMENTTYPE
+_COLUMNMETADATA.fields_by_name['type'].message_type = _AVATICATYPE
+_AVATICATYPE.fields_by_name['rep'].enum_type = _REP
+_AVATICATYPE.fields_by_name['columns'].message_type = _COLUMNMETADATA
+_AVATICATYPE.fields_by_name['component'].message_type = _AVATICATYPE
+_CURSORFACTORY.fields_by_name['style'].enum_type = _CURSORFACTORY_STYLE
+_CURSORFACTORY_STYLE.containing_type = _CURSORFACTORY
+_FRAME.fields_by_name['rows'].message_type = _ROW
+_ROW.fields_by_name['value'].message_type = _COLUMNVALUE
+_COLUMNVALUE.fields_by_name['value'].message_type = _TYPEDVALUE
+_COLUMNVALUE.fields_by_name['array_value'].message_type = _TYPEDVALUE
+_COLUMNVALUE.fields_by_name['scalar_value'].message_type = _TYPEDVALUE
+_TYPEDVALUE.fields_by_name['type'].enum_type = _REP
+_TYPEDVALUE.fields_by_name['array_value'].message_type = _TYPEDVALUE
+_TYPEDVALUE.fields_by_name['component_type'].enum_type = _REP
+_METADATAOPERATIONARGUMENT.fields_by_name['type'].enum_type = 
_METADATAOPERATIONARGUMENT_ARGUMENTTYPE
+_METADATAOPERATIONARGUMENT_ARGUMENTTYPE.containing_type = 
_METADATAOPERATIONARGUMENT
+_QUERYSTATE.fields_by_name['type'].enum_type = _STATETYPE
+_QUERYSTATE.fields_by_name['op'].enum_type = _METADATAOPERATION
+_QUERYSTATE.fields_by_name['args'].message_type = _METADATAOPERATIONARGUMENT
+DESCRIPTOR.message_types_by_name['ConnectionProperties'] = 
_CONNECTIONPROPERTIES
+DESCRIPTOR.message_types_by_name['StatementHandle'] = _STATEMENTHANDLE
+DESCRIPTOR.message_types_by_name['Signature'] = _SIGNATURE
+DESCRIPTOR.message_types_by_name['ColumnMetaData'] = _COLUMNMETADATA
+DESCRIPTOR.message_types_by_name['AvaticaType'] = _AVATICATYPE
+DESCRIPTOR.message_types_by_name['AvaticaParameter'] = _AVATICAPARAMETER
+DESCRIPTOR.message_types_by_name['CursorFactory'] = _CURSORFACTORY
+DESCRIPTOR.message_types_by_name['Frame'] = _FRAME
+DESCRIPTOR.message_types_by_name['Row'] = _ROW
+DESCRIPTOR.message_types_by_name['DatabaseProperty'] = _DATABASEPROPERTY
+DESCRIPTOR.message_types_by_name['WireMessage'] = _WIREMESSAGE
+DESCRIPTOR.message_types_by_name['ColumnValue'] = _COLUMNVALUE
+DESCRIPTOR.message_types_by_name['TypedValue'] = _TYPEDVALUE
+DESCRIPTOR.message_types_by_name['MetaDataOperationArgument'] = 
_METADATAOPERATIONARGUMENT
+DESCRIPTOR.message_types_by_name['QueryState'] = _QUERYSTATE
+DESCRIPTOR.enum_types_by_name['StatementType'] = _STATEMENTTYPE
+DESCRIPTOR.enum_types_by_name['Rep'] = _REP
+DESCRIPTOR.enum_types_by_name['Severity'] = _SEVERITY
+DESCRIPTOR.enum_types_by_name['MetaDataOperation'] = _METADATAOPERATION
+DESCRIPTOR.enum_types_by_name['StateType'] = _STATETYPE
+
+ConnectionProperties = 
_reflection.GeneratedProtocolMessageType('ConnectionProperties', 
(_message.Message,), dict(
+  DESCRIPTOR = _CONNECTIONPROPERTIES,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:ConnectionProperties)
+  ))
+_sym_db.RegisterMessage(ConnectionProperties)
+
+StatementHandle = _reflection.GeneratedProtocolMessageType('StatementHandle', 
(_message.Message,), dict(
+  DESCRIPTOR = _STATEMENTHANDLE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:StatementHandle)
+  ))
+_sym_db.RegisterMessage(StatementHandle)
+
+Signature = _reflection.GeneratedProtocolMessageType('Signature', 
(_message.Message,), dict(
+  DESCRIPTOR = _SIGNATURE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:Signature)
+  ))
+_sym_db.RegisterMessage(Signature)
+
+ColumnMetaData = _reflection.GeneratedProtocolMessageType('ColumnMetaData', 
(_message.Message,), dict(
+  DESCRIPTOR = _COLUMNMETADATA,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:ColumnMetaData)
+  ))
+_sym_db.RegisterMessage(ColumnMetaData)
+
+AvaticaType = _reflection.GeneratedProtocolMessageType('AvaticaType', 
(_message.Message,), dict(
+  DESCRIPTOR = _AVATICATYPE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:AvaticaType)
+  ))
+_sym_db.RegisterMessage(AvaticaType)
+
+AvaticaParameter = 
_reflection.GeneratedProtocolMessageType('AvaticaParameter', 
(_message.Message,), dict(
+  DESCRIPTOR = _AVATICAPARAMETER,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:AvaticaParameter)
+  ))
+_sym_db.RegisterMessage(AvaticaParameter)
+
+CursorFactory = _reflection.GeneratedProtocolMessageType('CursorFactory', 
(_message.Message,), dict(
+  DESCRIPTOR = _CURSORFACTORY,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:CursorFactory)
+  ))
+_sym_db.RegisterMessage(CursorFactory)
+
+Frame = _reflection.GeneratedProtocolMessageType('Frame', (_message.Message,), 
dict(
+  DESCRIPTOR = _FRAME,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:Frame)
+  ))
+_sym_db.RegisterMessage(Frame)
+
+Row = _reflection.GeneratedProtocolMessageType('Row', (_message.Message,), 
dict(
+  DESCRIPTOR = _ROW,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:Row)
+  ))
+_sym_db.RegisterMessage(Row)
+
+DatabaseProperty = 
_reflection.GeneratedProtocolMessageType('DatabaseProperty', 
(_message.Message,), dict(
+  DESCRIPTOR = _DATABASEPROPERTY,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:DatabaseProperty)
+  ))
+_sym_db.RegisterMessage(DatabaseProperty)
+
+WireMessage = _reflection.GeneratedProtocolMessageType('WireMessage', 
(_message.Message,), dict(
+  DESCRIPTOR = _WIREMESSAGE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:WireMessage)
+  ))
+_sym_db.RegisterMessage(WireMessage)
+
+ColumnValue = _reflection.GeneratedProtocolMessageType('ColumnValue', 
(_message.Message,), dict(
+  DESCRIPTOR = _COLUMNVALUE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:ColumnValue)
+  ))
+_sym_db.RegisterMessage(ColumnValue)
+
+TypedValue = _reflection.GeneratedProtocolMessageType('TypedValue', 
(_message.Message,), dict(
+  DESCRIPTOR = _TYPEDVALUE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:TypedValue)
+  ))
+_sym_db.RegisterMessage(TypedValue)
+
+MetaDataOperationArgument = 
_reflection.GeneratedProtocolMessageType('MetaDataOperationArgument', 
(_message.Message,), dict(
+  DESCRIPTOR = _METADATAOPERATIONARGUMENT,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:MetaDataOperationArgument)
+  ))
+_sym_db.RegisterMessage(MetaDataOperationArgument)
+
+QueryState = _reflection.GeneratedProtocolMessageType('QueryState', 
(_message.Message,), dict(
+  DESCRIPTOR = _QUERYSTATE,
+  __module__ = 'common_pb2'
+  # @@protoc_insertion_point(class_scope:QueryState)
+  ))
+_sym_db.RegisterMessage(QueryState)
+
+
+DESCRIPTOR.has_options = True
+DESCRIPTOR._options = _descriptor._ParseOptions(descriptor_pb2.FileOptions(), 
_b('\n org.apache.calcite.avatica.proto'))
+# @@protoc_insertion_point(module_scope)

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