diff --git a/docs/redirects.txt b/docs/redirects.txt
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-agg_functions/parametric_functions.md query-language/agg-functions/parametric-functions.md
-agg_functions/reference.md query-language/agg-functions/reference.md
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-changelog/2018.md whats-new/changelog/2018.md
-changelog/2019.md whats-new/changelog/2019.md
-changelog/index.md whats-new/changelog/index.md
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-data_types/array.md sql-reference/data-types/array.md
-data_types/boolean.md sql-reference/data-types/boolean.md
-data_types/date.md sql-reference/data-types/date.md
-data_types/datetime.md sql-reference/data-types/datetime.md
-data_types/datetime64.md sql-reference/data-types/datetime64.md
-data_types/decimal.md sql-reference/data-types/decimal.md
-data_types/domains/ipv4.md sql-reference/data-types/domains/ipv4.md
-data_types/domains/ipv6.md sql-reference/data-types/domains/ipv6.md
-data_types/domains/overview.md sql-reference/data-types/domains/overview.md
-data_types/enum.md sql-reference/data-types/enum.md
-data_types/fixedstring.md sql-reference/data-types/fixedstring.md
-data_types/float.md sql-reference/data-types/float.md
-data_types/index.md sql-reference/data-types/index.md
-data_types/int_uint.md sql-reference/data-types/int-uint.md
-data_types/nested_data_structures/aggregatefunction.md sql-reference/data-types/aggregatefunction.md
-data_types/nested_data_structures/index.md sql-reference/data-types/nested-data-structures/index.md
-data_types/nested_data_structures/nested.md sql-reference/data-types/nested-data-structures/nested.md
-data_types/nullable.md sql-reference/data-types/nullable.md
-data_types/special_data_types/expression.md sql-reference/data-types/special-data-types/expression.md
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-data_types/special_data_types/interval.md sql-reference/data-types/special-data-types/interval.md
-data_types/special_data_types/nothing.md sql-reference/data-types/special-data-types/nothing.md
-data_types/special_data_types/set.md sql-reference/data-types/special-data-types/set.md
-data_types/string.md sql-reference/data-types/string.md
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-data_types/uuid.md sql-reference/data-types/uuid.md
-database_engines/index.md engines/database-engines/index.md
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-database_engines/mysql.md engines/database-engines/mysql.md
-development/browse_code.md development/browse-code.md
-development/build_cross_arm.md development/build-cross-arm.md
-development/build_cross_osx.md development/build-cross-osx.md
-development/build_osx.md development/build-osx.md
-development/developer_instruction.md development/developer-instruction.md
-dicts/external_dicts.md query-language/dicts/external-dicts.md
-dicts/external_dicts_dict.md query-language/dicts/external-dicts-dict.md
-dicts/external_dicts_dict_layout.md query-language/dicts/external-dicts-dict-layout.md
-dicts/external_dicts_dict_lifetime.md query-language/dicts/external-dicts-dict-lifetime.md
-dicts/external_dicts_dict_sources.md query-language/dicts/external-dicts-dict-sources.md
-dicts/external_dicts_dict_structure.md query-language/dicts/external-dicts-dict-structure.md
-dicts/index.md query-language/dicts/index.md
-dicts/internal_dicts.md query-language/dicts/internal-dicts.md
-engines/database_engines/index.md engines/database-engines/index.md
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-engines/database_engines/mysql.md engines/database-engines/mysql.md
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-engines/table_engines/integrations/mysql.md engines/table-engines/integrations/mysql.md
-engines/table_engines/integrations/odbc.md engines/table-engines/integrations/odbc.md
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-engines/table_engines/mergetree_family/custom_partitioning_key.md engines/table-engines/mergetree-family/custom-partitioning-key.md
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-engines/table_engines/mergetree_family/replacingmergetree.md engines/table-engines/mergetree-family/replacingmergetree.md
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-formats.md interfaces/formats.md
-formats/capnproto.md interfaces/formats.md
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-formats/csvwithnames.md interfaces/formats.md
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-formats/jsoncompact.md interfaces/formats.md
-formats/jsoneachrow.md interfaces/formats.md
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-formats/prettycompactmonoblock.md interfaces/formats.md
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-formats/rowbinary.md interfaces/formats.md
-formats/tabseparated.md interfaces/formats.md
-formats/tabseparatedraw.md interfaces/formats.md
-formats/tabseparatedwithnames.md interfaces/formats.md
-formats/tabseparatedwithnamesandtypes.md interfaces/formats.md
-formats/tskv.md interfaces/formats.md
-formats/values.md interfaces/formats.md
-formats/vertical.md interfaces/formats.md
-formats/verticalraw.md interfaces/formats.md
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-functions/arithmetic_functions.md query-language/functions/arithmetic-functions.md
-functions/array_functions.md query-language/functions/array-functions.md
-functions/array_join.md query-language/functions/array-join.md
-functions/bit_functions.md query-language/functions/bit-functions.md
-functions/bitmap_functions.md query-language/functions/bitmap-functions.md
-functions/comparison_functions.md query-language/functions/comparison-functions.md
-functions/conditional_functions.md query-language/functions/conditional-functions.md
-functions/date_time_functions.md query-language/functions/date-time-functions.md
-functions/encoding_functions.md query-language/functions/encoding-functions.md
-functions/ext_dict_functions.md query-language/functions/ext-dict-functions.md
-functions/hash_functions.md query-language/functions/hash-functions.md
-functions/higher_order_functions.md query-language/functions/higher-order-functions.md
-functions/in_functions.md query-language/functions/in-functions.md
-functions/index.md query-language/functions/index.md
-functions/ip_address_functions.md query-language/functions/ip-address-functions.md
-functions/json_functions.md query-language/functions/json-functions.md
-functions/logical_functions.md query-language/functions/logical-functions.md
-functions/math_functions.md query-language/functions/math-functions.md
-functions/other_functions.md query-language/functions/other-functions.md
-functions/random_functions.md query-language/functions/random-functions.md
-functions/rounding_functions.md query-language/functions/rounding-functions.md
-functions/splitting_merging_functions.md query-language/functions/splitting-merging-functions.md
-functions/string_functions.md query-language/functions/string-functions.md
-functions/string_replace_functions.md query-language/functions/string-replace-functions.md
-functions/string_search_functions.md query-language/functions/string-search-functions.md
-functions/type_conversion_functions.md query-language/functions/type-conversion-functions.md
-functions/url_functions.md query-language/functions/url-functions.md
-functions/ym_dict_functions.md query-language/functions/ym-dict-functions.md
-getting_started/example_datasets/amplab_benchmark.md getting-started/example-datasets/amplab-benchmark.md
-getting_started/example_datasets/criteo.md getting-started/example-datasets/criteo.md
-getting_started/example_datasets/index.md getting-started/example-datasets/index.md
-getting_started/example_datasets/metrica.md getting-started/example-datasets/metrica.md
-getting_started/example_datasets/nyc_taxi.md getting-started/example-datasets/nyc-taxi.md
-getting_started/example_datasets/ontime.md getting-started/example-datasets/ontime.md
-getting_started/example_datasets/star_schema.md getting-started/example-datasets/star-schema.md
-getting_started/example_datasets/wikistat.md getting-started/example-datasets/wikistat.md
-getting_started/index.md getting-started/index.md
-getting_started/install.md getting-started/install.md
-getting_started/playground.md getting-started/playground.md
-getting_started/tutorial.md getting-started/tutorial.md
-images/column_oriented.gif images/column-oriented.gif
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-interfaces/http_interface.md interfaces/http.md
-interfaces/third-party/client_libraries.md interfaces/third-party/client-libraries.md
-interfaces/third-party_client_libraries.md interfaces/third-party/client-libraries.md
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-operations/performance_test.md operations/performance-test.md
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-operations/settings/settings_users.md operations/settings/settings-users.md
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-sql_reference/data_types/nested_data_structures/index.md sql-reference/data-types/nested-data-structures/index.md
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-sql_reference/data_types/nullable.md sql-reference/data-types/nullable.md
-sql_reference/data_types/simpleaggregatefunction.md sql-reference/data-types/simpleaggregatefunction.md
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-sql_reference/data_types/tuple.md sql-reference/data-types/tuple.md
-sql_reference/data_types/uuid.md sql-reference/data-types/uuid.md
-sql_reference/dictionaries/external_dictionaries/external_dicts.md sql-reference/dictionaries/external-dictionaries/external-dicts.md
-sql_reference/dictionaries/external_dictionaries/external_dicts_dict.md sql-reference/dictionaries/external-dictionaries/external-dicts-dict.md
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-sql_reference/dictionaries/external_dictionaries/index.md sql-reference/dictionaries/external-dictionaries/index.md
-sql_reference/dictionaries/index.md sql-reference/dictionaries/index.md
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-sql_reference/functions/arithmetic_functions.md sql-reference/functions/arithmetic-functions.md
-sql_reference/functions/array_functions.md sql-reference/functions/array-functions.md
-sql_reference/functions/array_join.md sql-reference/functions/array-join.md
-sql_reference/functions/bit_functions.md sql-reference/functions/bit-functions.md
-sql_reference/functions/bitmap_functions.md sql-reference/functions/bitmap-functions.md
-sql_reference/functions/comparison_functions.md sql-reference/functions/comparison-functions.md
-sql_reference/functions/conditional_functions.md sql-reference/functions/conditional-functions.md
-sql_reference/functions/date_time_functions.md sql-reference/functions/date-time-functions.md
-sql_reference/functions/encoding_functions.md sql-reference/functions/encoding-functions.md
-sql_reference/functions/ext_dict_functions.md sql-reference/functions/ext-dict-functions.md
-sql_reference/functions/functions_for_nulls.md sql-reference/functions/functions-for-nulls.md
-sql_reference/functions/geo.md sql-reference/functions/geo.md
-sql_reference/functions/hash_functions.md sql-reference/functions/hash-functions.md
-sql_reference/functions/higher_order_functions.md sql-reference/functions/higher-order-functions.md
-sql_reference/functions/in_functions.md sql-reference/functions/in-functions.md
-sql_reference/functions/index.md sql-reference/functions/index.md
-sql_reference/functions/introspection.md sql-reference/functions/introspection.md
-sql_reference/functions/ip_address_functions.md sql-reference/functions/ip-address-functions.md
-sql_reference/functions/json_functions.md sql-reference/functions/json-functions.md
-sql_reference/functions/logical_functions.md sql-reference/functions/logical-functions.md
-sql_reference/functions/machine_learning_functions.md sql-reference/functions/machine-learning-functions.md
-sql_reference/functions/math_functions.md sql-reference/functions/math-functions.md
-sql_reference/functions/other_functions.md sql-reference/functions/other-functions.md
-sql_reference/functions/random_functions.md sql-reference/functions/random-functions.md
-sql_reference/functions/rounding_functions.md sql-reference/functions/rounding-functions.md
-sql_reference/functions/splitting_merging_functions.md sql-reference/functions/splitting-merging-functions.md
-sql_reference/functions/string_functions.md sql-reference/functions/string-functions.md
-sql_reference/functions/string_replace_functions.md sql-reference/functions/string-replace-functions.md
-sql_reference/functions/string_search_functions.md sql-reference/functions/string-search-functions.md
-sql_reference/functions/type_conversion_functions.md sql-reference/functions/type-conversion-functions.md
-sql_reference/functions/url_functions.md sql-reference/functions/url-functions.md
-sql_reference/functions/uuid_functions.md sql-reference/functions/uuid-functions.md
-sql_reference/functions/ym_dict_functions.md sql-reference/functions/ym-dict-functions.md
-sql_reference/index.md sql-reference/index.md
-sql_reference/operators.md sql-reference/operators.md
-sql_reference/statements/alter.md sql-reference/statements/alter.md
-sql_reference/statements/create.md sql-reference/statements/create.md
-sql_reference/statements/index.md sql-reference/statements/index.md
-sql_reference/statements/insert_into.md sql-reference/statements/insert-into.md
-sql_reference/statements/misc.md sql-reference/statements/misc.md
-sql_reference/statements/select.md sql-reference/statements/select.md
-sql_reference/statements/show.md sql-reference/statements/show.md
-sql_reference/statements/system.md sql-reference/statements/system.md
-sql_reference/syntax.md sql-reference/syntax.md
-sql_reference/table_functions/file.md sql-reference/table-functions/file.md
-sql_reference/table_functions/generate.md sql-reference/table-functions/generate.md
-sql_reference/table_functions/hdfs.md sql-reference/table-functions/hdfs.md
-sql_reference/table_functions/index.md sql-reference/table-functions/index.md
-sql_reference/table_functions/input.md sql-reference/table-functions/input.md
-sql_reference/table_functions/jdbc.md sql-reference/table-functions/jdbc.md
-sql_reference/table_functions/merge.md sql-reference/table-functions/merge.md
-sql_reference/table_functions/mysql.md sql-reference/table-functions/mysql.md
-sql_reference/table_functions/numbers.md sql-reference/table-functions/numbers.md
-sql_reference/table_functions/odbc.md sql-reference/table-functions/odbc.md
-sql_reference/table_functions/remote.md sql-reference/table-functions/remote.md
-sql_reference/table_functions/url.md sql-reference/table-functions/url.md
-system_tables.md operations/system-tables.md
-system_tables/system.asynchronous_metrics.md operations/system-tables.md
-system_tables/system.clusters.md operations/system-tables.md
-system_tables/system.columns.md operations/system-tables.md
-system_tables/system.databases.md operations/system-tables.md
-system_tables/system.dictionaries.md operations/system-tables.md
-system_tables/system.events.md operations/system-tables.md
-system_tables/system.functions.md operations/system-tables.md
-system_tables/system.merges.md operations/system-tables.md
-system_tables/system.metrics.md operations/system-tables.md
-system_tables/system.numbers.md operations/system-tables.md
-system_tables/system.numbers_mt.md operations/system-tables.md
-system_tables/system.one.md operations/system-tables.md
-system_tables/system.parts.md operations/system-tables.md
-system_tables/system.processes.md operations/system-tables.md
-system_tables/system.replicas.md operations/system-tables.md
-system_tables/system.settings.md operations/system-tables.md
-system_tables/system.tables.md operations/system-tables.md
-system_tables/system.zookeeper.md operations/system-tables.md
-table_engines.md operations/table-engines.md
-table_engines/aggregatingmergetree.md operations/table-engines/aggregatingmergetree.md
-table_engines/buffer.md operations/table-engines/buffer.md
-table_engines/collapsingmergetree.md operations/table-engines/collapsingmergetree.md
-table_engines/custom_partitioning_key.md operations/table-engines/custom-partitioning-key.md
-table_engines/dictionary.md operations/table-engines/dictionary.md
-table_engines/distributed.md operations/table-engines/distributed.md
-table_engines/external_data.md operations/table-engines/external-data.md
-table_engines/file.md operations/table-engines/file.md
-table_engines/graphitemergetree.md operations/table-engines/graphitemergetree.md
-table_engines/index.md operations/table-engines/index.md
-table_engines/join.md operations/table-engines/join.md
-table_engines/kafka.md operations/table-engines/kafka.md
-table_engines/log.md operations/table-engines/log.md
-table_engines/materializedview.md operations/table-engines/materializedview.md
-table_engines/memory.md operations/table-engines/memory.md
-table_engines/merge.md operations/table-engines/merge.md
-table_engines/mergetree.md operations/table-engines/mergetree.md
-table_engines/mysql.md operations/table-engines/mysql.md
-table_engines/null.md operations/table-engines/null.md
-table_engines/replacingmergetree.md operations/table-engines/replacingmergetree.md
-table_engines/replication.md operations/table-engines/replication.md
-table_engines/set.md operations/table-engines/set.md
-table_engines/summingmergetree.md operations/table-engines/summingmergetree.md
-table_engines/tinylog.md operations/table-engines/tinylog.md
-table_engines/view.md operations/table-engines/view.md
-table_functions/file.md query-language/table-functions/file.md
-table_functions/index.md query-language/table-functions/index.md
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-utils.md operations/utils.md
-utils/clickhouse-copier.md operations/utils/clickhouse-copier.md
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-whats_new/changelog/2017.md whats-new/changelog/2017.md
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