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cd14f9ebcb
* split up select.md * array-join.md basic refactoring * distinct.md basic refactoring * format.md basic refactoring * from.md basic refactoring * group-by.md basic refactoring * having.md basic refactoring * additional index.md refactoring * into-outfile.md basic refactoring * join.md basic refactoring * limit.md basic refactoring * limit-by.md basic refactoring * order-by.md basic refactoring * prewhere.md basic refactoring * adjust operators/index.md links * adjust sample.md links * adjust more links * adjust operatots links * fix some links * adjust aggregate function article titles * basic refactor of remaining select clauses * absolute paths in make_links.sh * run make_links.sh * remove old select.md locations * translate docs/es * translate docs/fr * translate docs/fa * remove old operators.md location * change operators.md links * adjust links in docs/es * adjust links in docs/es * minor texts adjustments * wip * update machine translations to use new links * fix changelog * es build fixes * get rid of some select.md links * temporary adjust ru links * temporary adjust more ru links * improve curly brace handling * adjust ru as well * fa build fix * ru link fixes * zh link fixes * temporary disable part of anchor checks
1.1 KiB
1.1 KiB
machine_translated | machine_translated_rev | toc_folder_title | toc_priority | toc_title |
---|---|---|---|---|
true | 72537a2d52 |
辞書 | 35 | はじめに |
辞書
辞書はマッピングです (key -> attributes
)それはさまざまなタイプの参照リストのために便利です。
ClickHouseは、クエリで使用できる辞書を操作するための特別な関数をサポートしています。 関数で辞書を使用する方が簡単で効率的です。 JOIN
参照のテーブルを使って。
NULL 値を辞書に格納することはできません。
ClickHouseサポート:
- 組み込み辞書 特定の 関数のセット.
- プラグイン(外部)辞書 と 関数のセット.