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f46c5a47c0
By default uniqCombined() uses 32-bit hash for all types except String, so this means that you cannot use uniqCombined() with i.e UInt64 and cardinality > UINT_MAX, although you can use uniqCombined(toString()) and this will lead to 64-bit hash, but will not have good performance. So uniqCombined64() had been introduced to fix this. Requires: #7213 |
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| .. | ||
| data_types | ||
| database_engines | ||
| development | ||
| faq | ||
| getting_started | ||
| images | ||
| interfaces | ||
| introduction | ||
| operations | ||
| query_language | ||
| changelog.md | ||
| index.md | ||
| roadmap.md | ||
| security_changelog.md | ||