mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-27 01:51:59 +00:00
331 lines
9.3 KiB
Python
331 lines
9.3 KiB
Python
import difflib
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import os
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from functools import reduce
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files = ["key_simple.tsv", "key_complex_integers.tsv", "key_complex_mixed.tsv"]
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types = [
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"UInt8",
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"UInt16",
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"UInt32",
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"UInt64",
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"Int8",
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"Int16",
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"Int32",
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"Int64",
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"Float32",
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"Float64",
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"String",
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"Date",
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"DateTime",
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]
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implicit_defaults = [
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"1",
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"1",
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"1",
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"",
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"-1",
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"-1",
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"-1",
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"-1",
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"2.71828",
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"2.71828",
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"implicit-default",
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"2015-11-25",
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"",
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]
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def generate_structure():
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# [ name, key_type, has_parent ]
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return [
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# Simple key dictionaries
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["clickhouse_flat", 0, True],
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["clickhouse_hashed", 0, True],
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["clickhouse_cache", 0, True],
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# Complex key dictionaries with (UInt8, UInt8) key
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["clickhouse_complex_integers_key_hashed", 1, False],
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["clickhouse_complex_integers_key_cache", 1, False],
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# Complex key dictionaries with (String, UInt8) key
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["clickhouse_complex_mixed_key_hashed", 2, False],
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["clickhouse_complex_mixed_key_cache", 2, False],
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# Range hashed dictionary
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["clickhouse_range_hashed", 3, False],
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]
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def generate_dictionaries(path, structure):
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dictionary_skeleton = """
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<clickhouse>
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<dictionary>
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<name>{name}</name>
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<source>
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{source}
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</source>
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<lifetime>
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<min>0</min>
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<max>0</max>
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</lifetime>
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<layout>
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{layout}
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</layout>
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<structure>
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{key}
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%s
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{parent}
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</structure>
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</dictionary>
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</clickhouse>"""
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attribute_skeleton = """
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<attribute>
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<name>%s_</name>
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<type>%s</type>
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<null_value>%s</null_value>
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</attribute>
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"""
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dictionary_skeleton = dictionary_skeleton % reduce(
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lambda xml, type_default: xml
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+ attribute_skeleton % (type_default[0], type_default[0], type_default[1]),
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list(zip(types, implicit_defaults)),
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"",
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)
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source_clickhouse = """
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<clickhouse>
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<host>localhost</host>
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<port>9000</port>
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<user>default</user>
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<password></password>
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<db>test</db>
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<table>dictionary_source</table>
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</clickhouse>
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"""
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layout_flat = "<flat />"
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layout_hashed = "<hashed />"
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layout_cache = "<cache><size_in_cells>128</size_in_cells></cache>"
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layout_complex_key_hashed = "<complex_key_hashed />"
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layout_complex_key_cache = (
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"<complex_key_cache><size_in_cells>128</size_in_cells></complex_key_cache>"
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)
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layout_range_hashed = "<range_hashed />"
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key_simple = """
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<id>
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<name>id</name>
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</id>
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"""
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key_complex_integers = """
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<key>
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<attribute>
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<name>key0</name>
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<type>UInt8</type>
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</attribute>
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<attribute>
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<name>key1</name>
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<type>UInt8</type>
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</attribute>
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</key>
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"""
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key_complex_mixed = """
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<key>
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<attribute>
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<name>key0_str</name>
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<type>String</type>
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</attribute>
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<attribute>
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<name>key1</name>
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<type>UInt8</type>
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</attribute>
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</key>
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"""
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key_range_hashed = """
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<id>
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<name>id</name>
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</id>
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<range_min>
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<name>StartDate</name>
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</range_min>
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<range_max>
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<name>EndDate</name>
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</range_max>
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"""
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keys = [key_simple, key_complex_integers, key_complex_mixed, key_range_hashed]
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parent_attribute = """
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<attribute>
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<name>Parent</name>
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<type>UInt64</type>
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<hierarchical>true</hierarchical>
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<null_value>0</null_value>
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</attribute>
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"""
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sources_and_layouts = [
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# Simple key dictionaries
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[source_clickhouse, layout_flat],
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[source_clickhouse, layout_hashed],
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[source_clickhouse, layout_cache],
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# Complex key dictionaries with (UInt8, UInt8) key
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[source_clickhouse, layout_complex_key_hashed],
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[source_clickhouse, layout_complex_key_cache],
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# Complex key dictionaries with (String, UInt8) key
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[source_clickhouse, layout_complex_key_hashed],
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[source_clickhouse, layout_complex_key_cache],
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# Range hashed dictionary
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[source_clickhouse, layout_range_hashed],
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]
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file_names = []
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# Generate dictionaries.
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for (name, key_idx, has_parent), (source, layout) in zip(
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structure, sources_and_layouts
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):
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filename = os.path.join(path, "dictionary_%s.xml" % name)
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file_names.append(filename)
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with open(filename, "w") as file:
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dictionary_xml = dictionary_skeleton.format(
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key=keys[key_idx],
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parent=parent_attribute if has_parent else "",
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**locals()
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)
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file.write(dictionary_xml)
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return file_names
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class DictionaryTestTable:
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def __init__(self, source_file_name):
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self.structure = """id UInt64, key0 UInt8, key0_str String, key1 UInt8,
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StartDate Date, EndDate Date,
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UInt8_ UInt8, UInt16_ UInt16, UInt32_ UInt32, UInt64_ UInt64,
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Int8_ Int8, Int16_ Int16, Int32_ Int32, Int64_ Int64,
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Float32_ Float32, Float64_ Float64,
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String_ String,
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Date_ Date, DateTime_ DateTime, Parent UInt64"""
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self.names_and_types = list(map(str.split, self.structure.split(",")))
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self.keys_names_and_types = self.names_and_types[:6]
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self.values_names_and_types = self.names_and_types[6:]
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self.source_file_name = source_file_name
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self.rows = None
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def create_clickhouse_source(self, instance):
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query = """
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create database if not exists test;
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drop table if exists test.dictionary_source;
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create table test.dictionary_source (%s) engine=Log; insert into test.dictionary_source values %s ;
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"""
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types = tuple(pair[1] for pair in self.names_and_types)
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with open(self.source_file_name) as source_file:
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lines = source_file.read().split("\n")
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lines = tuple(filter(len, lines))
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self.rows = []
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def wrap_value(pair):
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value, type = pair
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return (
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"'" + value + "'" if type in ("String", "Date", "DateTime") else value
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)
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def make_tuple(line):
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row = tuple(line.split("\t"))
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self.rows.append(row)
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return "(" + ",".join(map(wrap_value, list(zip(row, types)))) + ")"
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values = ",".join(map(make_tuple, lines))
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print(query % (self.structure, values))
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instance.query(query % (self.structure, values))
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def get_structure_for_keys(self, keys, enable_parent=True):
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structure = ",".join(
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name + " " + type
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for name, type in self.keys_names_and_types
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if name in keys
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)
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return (
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structure
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+ ", "
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+ ",".join(
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name + " " + type
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for name, type in self.values_names_and_types
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if enable_parent or name != "Parent"
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)
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)
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def _build_line_from_row(self, row, names):
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return "\t".join(
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(
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value
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for value, (name, type) in zip(row, self.names_and_types)
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if name in set(names)
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)
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)
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def compare_rows_by_keys(self, keys, values, lines, add_not_found_rows=True):
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rows = [line.rstrip("\n").split("\t") for line in lines]
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diff = []
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matched = []
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lines_map = {
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self._build_line_from_row(row, keys): self._build_line_from_row(row, values)
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for row in self.rows
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}
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for row in rows:
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key = "\t".join(row[: len(keys)])
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value = "\t".join(row[len(keys) :])
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if key in list(lines_map.keys()):
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pattern_value = lines_map[key]
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del lines_map[key]
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if not value == pattern_value:
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diff.append((key + "\t" + value, key + "\t" + pattern_value))
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else:
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matched.append((key + "\t" + value, key + "\t" + pattern_value))
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else:
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diff.append((key + "\t" + value, ""))
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if add_not_found_rows:
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for key, value in list(lines_map.items()):
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diff.append(("", key + "\t" + value))
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if not diff:
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return None
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diff += matched
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left_lines = tuple(pair[0] for pair in diff)
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right_lines = tuple(pair[1] for pair in diff)
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return left_lines, right_lines
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def compare_by_keys(
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self, keys, lines, with_parent_column=True, add_not_found_rows=True
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):
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values = [
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name
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for name, type in self.values_names_and_types
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if with_parent_column or name != "Parent"
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]
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return self.compare_rows_by_keys(keys, values, lines, add_not_found_rows)
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def process_diff(self, diff):
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if not diff:
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return ""
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left_lines, right_lines = diff
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args = {"fromfile": "received", "tofile": "expected", "lineterm": ""}
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return "\n".join(
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tuple(difflib.context_diff(left_lines, right_lines, **args))[:]
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)
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