Nikolai Kochetov
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df71c47840
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Added dictionary hash for low cardinality column. [#CLICKHOUSE-3903]
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2018-09-14 11:04:18 +03:00 |
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Nikolai Kochetov
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2eb35dd6ef
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Cache AggregateDataPtr for single low cardinality column. [#CLICKHOUSE-3903]
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2018-09-14 11:04:09 +03:00 |
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Nikolai Kochetov
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01209533f7
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Optimize reverse index for ColumnUnique.
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2018-08-07 21:10:16 +03:00 |
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Nikolai Kochetov
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3f4348a88b
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Use HashTableWithSavedHash for strings in ColumnUnique.
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2018-08-07 21:09:55 +03:00 |
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Nikolai Kochetov
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a109d8f002
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Disabled checks for index values in ColumnWithDictionary.
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2018-08-07 21:09:49 +03:00 |
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Nikolai Kochetov
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df379afde4
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Reserve memory for HashTable in ColumnUnique.
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2018-07-20 19:16:33 +03:00 |
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Nikolai Kochetov
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9c763f8090
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Make DatsTypeWithDictionary independent from index type.
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2018-07-20 13:16:27 +03:00 |
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Nikolai Kochetov
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c542cb6314
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Expanding indexes for ColumnUnique.
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2018-07-20 13:15:55 +03:00 |
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Nikolai Kochetov
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bf3327da8b
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Removed nullable column from ColumnUnique. Added IColumnUnique::getNestedNotNullableColumn().
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2018-06-26 20:38:32 +03:00 |
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Nikolai Kochetov
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f56d16769b
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Added pre and post serialization for IDataType BinaryBulkWithMultipleStreams. Supported dictionary serialization format with single global dictionary (limited wit max_dictionary_size) and additional keys which are stored per granule. Changed IDataType::enumerateStream interface. Added (de)serialization params for binary bulk with multiple stream (de)serialization. Changed IColumn::index interface.
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2018-06-26 17:12:21 +03:00 |
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Nikolai Kochetov
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12bf5ef565
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Added IColumn::convertToFullColumnIfWithDictionary; supported FilterDescription for ColumnWithDictionary
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2018-06-26 17:12:15 +03:00 |
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Nikolai Kochetov
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96df20f6b5
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Fixed ColumnUnique::compareAt implementation; deprecated several metods for IColumnUnique
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2018-06-21 16:29:09 +03:00 |
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Nikolai Kochetov
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f88584d748
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Added DeserializeBinaryBulkState which stores reading state for ColumnWithDictionary.
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2018-06-21 16:28:53 +03:00 |
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Nikolai Kochetov
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caa86bc59a
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Fixed ColumnWithDictionary::serializeBinaryBulkWithMultipleStreams, added more comments.
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2018-06-05 13:10:44 +03:00 |
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Nikolai Kochetov
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7788d30dca
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Moved DataTypeWithDictionary implementation to DataTypeWithDictionary.cpp
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2018-05-03 20:23:18 +03:00 |
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Nikolai Kochetov
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5d1c25df25
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Moved DataTypeWithDictionary implementation to DataTypeWithDictionary.cpp
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2018-05-03 19:28:14 +03:00 |
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Nikolai Kochetov
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cdc8bbea7e
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fix build
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2018-04-17 15:41:16 +03:00 |
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Nikolai Kochetov
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d97e7362db
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fix build
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2018-04-17 14:28:35 +03:00 |
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Nikolai Kochetov
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b8957e4d97
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fix build
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2018-04-17 13:45:05 +03:00 |
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Nikolai Kochetov
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0f0d5b3c0c
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added DataTypeWithDictionary [#CLICKHOUSE-3621]
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2018-04-17 13:43:46 +03:00 |
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Nikolai Kochetov
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a163459d83
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added ColumnWithDictionary [#CLICKHOUSE-3621]
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2018-04-17 13:43:40 +03:00 |
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Nikolai Kochetov
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b7ee1be6df
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added ColumnUnique [#CLICKHOUSE-3621]
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2018-04-17 13:43:02 +03:00 |
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