83 lines
3.2 KiB
Python
83 lines
3.2 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2016 Google LLC. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Command for spanner databases ddl update."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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import textwrap
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from googlecloudsdk.api_lib.spanner import database_operations
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from googlecloudsdk.api_lib.spanner import databases
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.spanner import flags
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from googlecloudsdk.command_lib.spanner import resource_args
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from googlecloudsdk.core import log
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class Update(base.UpdateCommand):
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"""Update the DDL for a Cloud Spanner database."""
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detailed_help = {
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'EXAMPLES':
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textwrap.dedent("""\
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To add a column to a table in the given Cloud Spanner database, run:
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$ {command} my-database-id --instance=my-instance-id
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--ddl='ALTER TABLE test_table ADD COLUMN a INT64'
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"""),
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}
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@staticmethod
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def Args(parser):
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"""See base class."""
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resource_args.AddDatabaseResourceArg(parser, 'of which the ddl to update')
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flags.Ddl(help_text='Semi-colon separated DDL '
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'(data definition language) statements to '
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'run inside the database. If a statement fails, all subsequent '
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'statements in the batch are automatically cancelled.'
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).AddToParser(parser)
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flags.DdlFile(
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help_text='Path of a file containing semi-colon separated DDL (data '
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'definition language) statements to run inside the database. If a '
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'statement fails, all subsequent statements in the batch are '
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'automatically cancelled. If --ddl_file is set, --ddl is ignored. '
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'One line comments starting with -- are ignored.').AddToParser(parser)
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flags.ProtoDescriptorsFile(
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help_text='Path of a file that contains a protobuf-serialized '
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'google.protobuf.FileDescriptorSet message. To generate it, install and'
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' run `protoc` with --include_imports and --descriptor_set_out.'
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).AddToParser(parser)
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base.ASYNC_FLAG.AddToParser(parser)
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def Run(self, args):
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"""This is what gets called when the user runs this command.
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Args:
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args: an argparse namespace. All the arguments that were provided to this
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command invocation.
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Returns:
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Some value that we want to have printed later.
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"""
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op = databases.UpdateDdl(args.CONCEPTS.database.Parse(),
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flags.SplitDdlIntoStatements(args),
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flags.GetProtoDescriptors(args))
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if args.async_:
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return log.status.Print(
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'Schema update in progress. Operation name={}'.format(op.name))
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return database_operations.Await(op, 'Schema updating')
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