235 lines
8.4 KiB
Python
235 lines
8.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 Robin Hood
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# Copyright 2016 FUJITSU LIMITED
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# (C) Copyright 2016 Hewlett Packard Enterprise Development Company LP
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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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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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from __future__ import unicode_literals
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from sqlalchemy import Column
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from sqlalchemy.ext import compiler
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from sqlalchemy.sql import expression
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from sqlalchemy import String, DateTime, Boolean, Integer, Binary, Float
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from sqlalchemy import Table
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def create_a_model(metadata=None):
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return Table('alarm', metadata,
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Column('id', String(36)),
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Column('alarm_definition_id', String(36)),
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Column('state', String(20)),
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Column('lifecycle_state', String(50)),
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Column('link', String(512)),
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Column('created_at', DateTime),
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Column('state_updated_at', DateTime),
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Column('updated_at', DateTime))
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def create_sadd_model(metadata=None):
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return Table('sub_alarm_definition_dimension', metadata,
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Column('sub_alarm_definition_id', String(36)),
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Column('dimension_name', String(255)),
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Column('value', String(255)))
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def create_aa_model(metadata=None):
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return Table('alarm_action', metadata,
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Column('alarm_definition_id', String(36)),
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Column('alarm_state', String(20)),
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Column('action_id', String(36)))
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def create_md_model(metadata=None):
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return Table('metric_dimension', metadata,
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Column('dimension_set_id', Binary),
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Column('name', String(255)),
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Column('value', String(255)))
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def create_mde_model(metadata=None):
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return Table('metric_definition', metadata,
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Column('id', Binary),
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Column('name', String(255)),
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Column('tenant_id', String(255)),
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Column('region', String(255)))
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def create_nm_model(metadata=None):
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return Table('notification_method', metadata,
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Column('id', String(36)),
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Column('tenant_id', String(36)),
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Column('name', String(250)),
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Column('type', String(20)),
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Column('address', String(512)),
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Column('period', Integer),
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Column('created_at', DateTime),
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Column('updated_at', DateTime))
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def create_mdd_model(metadata=None):
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return Table('metric_definition_dimensions', metadata,
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Column('id', Binary),
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Column('metric_definition_id', Binary),
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Column('metric_dimension_set_id', Binary))
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def create_am_model(metadata=None):
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return Table('alarm_metric', metadata,
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Column('alarm_id', String(36)),
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Column('metric_definition_dimensions_id', Binary))
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def create_ad_model(metadata=None):
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return Table('alarm_definition', metadata,
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Column('id', String(36)),
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Column('tenant_id', String(36)),
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Column('name', String(255)),
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Column('description', String(255)),
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Column('expression', String),
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Column('severity', String(20)),
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Column('match_by', String(255)),
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Column('actions_enabled', Boolean),
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Column('created_at', DateTime),
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Column('updated_at', DateTime),
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Column('deleted_at', DateTime))
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def create_sa_model(metadata=None):
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return Table('sub_alarm', metadata,
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Column('id', String(36)),
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Column('alarm_id', String(36)),
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Column('sub_expression_id', String(36)),
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Column('expression', String),
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Column('created_at', DateTime),
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Column('updated_at', DateTime))
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def create_sad_model(metadata=None):
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return Table('sub_alarm_definition', metadata,
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Column('id', String(36)),
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Column('alarm_definition_id', String(36)),
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Column('function', String(10)),
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Column('metric_name', String(100)),
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Column('operator', String(5)),
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Column('threshold', Float),
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Column('period', Integer),
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Column('periods', Integer),
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Column('is_deterministic', Boolean),
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Column('created_at', DateTime),
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Column('updated_at', DateTime))
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class group_concat(expression.ColumnElement):
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name = "group_concat"
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order_by = None
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separator = ','
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columns = []
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def __init__(self, columns, separator=',', order_by=None):
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self.order_by = order_by
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self.separator = separator
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self.columns = columns
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@compiler.compiles(group_concat, 'oracle')
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def _group_concat_oracle(element, compiler_, **kw):
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str_order_by = ''
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if element.order_by is not None and len(element.order_by) > 0:
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str_order_by = "ORDER BY {0}".format(", ".join([compiler_.process(x) for x in element.order_by]))
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else:
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str_order_by = "ORDER BY {0}".format(", ".join([compiler_.process(x) for x in element.columns]))
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return "LISTAGG({0}, '{2}') WITHIN GROUP ({1})".format(
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", ".join([compiler_.process(x) for x in element.columns]),
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str_order_by,
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element.separator,
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)
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@compiler.compiles(group_concat, 'postgresql')
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def _group_concat_postgresql(element, compiler_, **kw):
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str_order_by = ''
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if element.order_by is not None and len(element.order_by) > 0:
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str_order_by = "ORDER BY {0}".format(", ".join([compiler_.process(x) for x in element.order_by]))
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return "STRING_AGG({0}, '{2}' {1})".format(
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", ".join([compiler_.process(x) for x in element.columns]),
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str_order_by,
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element.separator,
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)
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@compiler.compiles(group_concat, 'sybase')
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def _group_concat_sybase(element, compiler_, **kw):
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return "LIST({0}, '{1}')".format(
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", ".join([compiler_.process(x) for x in element.columns]),
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element.separator,
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)
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@compiler.compiles(group_concat, 'mysql')
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def _group_concat_mysql(element, compiler_, **kw):
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str_order_by = ''
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if element.order_by is not None and len(element.order_by) > 0:
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str_order_by = "ORDER BY {0}".format(",".join([compiler_.process(x) for x in element.order_by]))
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return "GROUP_CONCAT({0} {1} SEPARATOR '{2}')".format(
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", ".join([compiler_.process(x) for x in element.columns]),
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str_order_by,
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element.separator,
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)
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@compiler.compiles(group_concat)
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def _group_concat_default(element, compiler_, **kw):
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return "GROUP_CONCAT({0}, '{1}')".format(
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", ".join([compiler_.process(x) for x in element.columns]),
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element.separator,
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)
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class field_sort(expression.ColumnElement):
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name = "field_sort"
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column = None
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fields = []
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def __init__(self, column, fields):
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self.column = column
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self.fields = fields
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@compiler.compiles(field_sort, "mysql")
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def _field_sort_mysql(element, compiler_, **kw):
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if element.fields:
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return "FIELD({0}, {1})".format(compiler_.process(element.column),
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", ".join(map(compiler_.process,
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element.fields)))
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else:
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return str(compiler_.process(element.column))
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@compiler.compiles(field_sort)
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def _field_sort_general(element, compiler_, **kw):
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fields_list = []
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if element.fields:
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fields_list.append("CASE")
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for idx, field in enumerate(element.fields):
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fields_list.append("WHEN {0}={1} THEN {2}".format(compiler_.process(element.column),
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compiler_.process(field),
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idx))
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fields_list.append("ELSE {0}".format(len(element.fields)))
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fields_list.append("END")
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return " ".join(fields_list)
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