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Merge pull request #10165 from azat/drop-dictionary-as-table
Do not break DROP DICTIONARY with DROP TABLE
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commit
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@ -70,8 +70,6 @@ StoragePtr DatabaseWithOwnTablesBase::detachTable(const String & table_name)
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StoragePtr DatabaseWithOwnTablesBase::detachTableUnlocked(const String & table_name)
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{
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StoragePtr res;
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if (dictionaries.count(table_name))
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throw Exception("Cannot detach dictionary " + database_name + "." + table_name + " as table, use DETACH DICTIONARY query.", ErrorCodes::UNKNOWN_TABLE);
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auto it = tables.find(table_name);
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if (it == tables.end())
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@ -11,6 +11,7 @@
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#include <Parsers/ASTLiteral.h>
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#include <common/logger_useful.h>
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#include <Common/typeid_cast.h>
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#include <Common/quoteString.h>
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#include <Processors/Sources/SourceFromInputStream.h>
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#include <Processors/Pipe.h>
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@ -22,6 +23,7 @@ namespace ErrorCodes
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{
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extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
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extern const int THERE_IS_NO_COLUMN;
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extern const int UNKNOWN_TABLE;
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}
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@ -45,6 +47,11 @@ StorageDictionary::StorageDictionary(
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}
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}
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void StorageDictionary::checkTableCanBeDropped() const
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{
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throw Exception("Cannot detach dictionary " + backQuoteIfNeed(dictionary_name) + " as table, use DETACH DICTIONARY query.", ErrorCodes::UNKNOWN_TABLE);
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}
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Pipes StorageDictionary::read(
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const Names & column_names,
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const SelectQueryInfo & /*query_info*/,
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@ -25,6 +25,8 @@ class StorageDictionary final : public ext::shared_ptr_helper<StorageDictionary>
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public:
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std::string getName() const override { return "Dictionary"; }
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void checkTableCanBeDropped() const override;
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Pipes read(const Names & column_names,
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const SelectQueryInfo & query_info,
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const Context & context,
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20
tests/queries/0_stateless/01225_drop_dictionary_as_table.sql
Normal file
20
tests/queries/0_stateless/01225_drop_dictionary_as_table.sql
Normal file
@ -0,0 +1,20 @@
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DROP DATABASE IF EXISTS dict_db_01225;
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CREATE DATABASE dict_db_01225;
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CREATE TABLE dict_db_01225.dict_data (key UInt64, val UInt64) Engine=Memory();
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CREATE DICTIONARY dict_db_01225.dict
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(
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key UInt64 DEFAULT 0,
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val UInt64 DEFAULT 10
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)
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PRIMARY KEY key
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SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'dict_data' PASSWORD '' DB 'dict_db_01225'))
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LIFETIME(MIN 0 MAX 0)
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LAYOUT(FLAT());
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SYSTEM RELOAD DICTIONARY dict_db_01225.dict;
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DROP TABLE dict_db_01225.dict; -- { serverError 60; }
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-- Regression:
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-- Code: 1000. DB::Exception: Received from localhost:9000. DB::Exception: File not found: ./metadata/dict_db_01225/dict.sql.
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DROP DICTIONARY dict_db_01225.dict;
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DROP DATABASE dict_db_01225;
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