{"id":2412,"date":"2016-10-17T17:37:53","date_gmt":"2016-10-17T17:37:52","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=2412"},"modified":"2025-10-09T07:21:32","modified_gmt":"2025-10-09T14:21:32","slug":"n1ql-functionality-enhancements-in-couchbase-server-4-5-1","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/n1ql-functionality-enhancements-in-couchbase-server-4-5-1\/","title":{"rendered":"4.5.1\uc758 N1QL \uac1c\uc120 \uc0ac\ud56d - 1\ubd80"},"content":{"rendered":"<p>Couchbase\ub294 \uc810\uc810 \ub354 \ub9ce\uc740 \uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 NoSQL\/JSON \ub370\uc774\ud130 \ubaa8\ub378\uc744 \ud65c\uc6a9\ud558\uace0 \ucc44\ud0dd\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud558\ub294 \ub370 \uc911\uc810\uc744 \ub450\uace0 \uc788\uc2b5\ub2c8\ub2e4. N1QL\uc740 \uae30\uc874 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uc774\ub7ec\ud55c \uc804\ud658\uc744 \uac04\uc18c\ud654\ud558\uba70, \ub450 \uac00\uc9c0 \uc7a5\uc810\uc744 \ubaa8\ub450 \ub2ec\uc131\ud560 \uc218 \uc788\ub294 \uc218\ub9ce\uc740 \uae30\ub2a5\uc73c\ub85c \uad6c\ucd95\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 4.5.1 \ub9b4\ub9ac\uc988\ub294 Couchbase Server 4.5\uc758 \ub4a4\ub97c \uc774\uc5b4 N1QL\uc5d0\uc11c \ub2e4\uc591\ud55c \uae30\ub2a5, \uc0ac\uc6a9\uc131 \ubc0f \uc131\ub2a5 \uac1c\uc120\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac1c\uc120 \uc0ac\ud56d\uc740 \uace0\uac1d\uc774 \uc911\uc694\ud558\uac8c \uc0dd\uac01\ud558\ub294 \ub9ce\uc740 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uba70, \uc804\ubc18\uc801\uc73c\ub85c N1QL\uc758 \uac15\uc810\uacfc \uc815\uad50\ud568\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n<p>\uc0c8\ub86d\uac8c \uac1c\uc120\ub41c \uae30\ub2a5 \uc911 \uc77c\ubd80\ub294 \uae30\uc874 \uae30\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uc9c0\ub9cc, SUFFIXES() \ud568\uc218\uc640 \uac19\uc740 \ub2e4\ub978 \uae30\ub2a5\uc740 LIKE \ucffc\ub9ac\uc758 \uc131\ub2a5\uc744 \ub300\ud3ed \uac1c\uc120\ud558\uc5ec N1QL \ucffc\ub9ac\ub97c \uac15\ud654\ud569\ub2c8\ub2e4. \uadf8 \uc678\uc5d0\ub3c4 JSON \uac1d\uccb4\uc758 \ub3d9\uc801 \uc0dd\uc131 \ubc0f \uc870\uc791, \uc22b\uc790 \uc815\ubc00\ub3c4, \uc911\ucca9 \ubc30\uc5f4\uc758 UPDATE \uad6c\ubb38 \ub4f1\uc774 \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4,<\/p>\n<p>\uc2dc\ub9ac\uc988\uac00 \ud544\uc694\ud560 \uac83 \uac19\uc9c0\ub9cc \uc774 \ube14\ub85c\uadf8\uc5d0\uc11c\ub294 LIKE \ucffc\ub9ac \ubc0f \uc5c5\ub370\uc774\ud2b8 \uac1c\uc120 \uc0ac\ud56d\uc744 \uc911\uc810\uc801\uc73c\ub85c \ub2e4\ub8f0 \uac83\uc785\ub2c8\ub2e4. \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 4.5.1\uc744 \ucc38\uc870\ud558\uc138\uc694. <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5\/introduction\/whats-new.html\">\uc0c8\ub85c\uc6b4 \uae30\ub2a5<\/a>\u00a0\uadf8\ub9ac\uace0 <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5\/release-notes\/relnotes.html\">\ub9b4\ub9ac\uc2a4 \ub178\ud2b8<\/a> \uc5d0\uc11c N1QL \uac1c\uc120 \uc0ac\ud56d\uc758 \uc804\uccb4 \ubaa9\ub85d\uc744 \ud655\uc778\ud558\uc138\uc694.\u00a0<span style=\"color: #333333;line-height: 20.799999237060547px;text-align: left\">N1QL \ud300\uc5d0 \ucc2c\uc0ac\ub97c \ubcf4\ub0c5\ub2c8\ub2e4!<\/span><\/p>\n<h2>SUFFIXES()\ub85c LIKE \ucffc\ub9ac\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud328\ud134 \ub9e4\uce6d\ud558\uae30<\/h2>\n<p>\ud328\ud134 \uc77c\uce58\ub294 SQL \ucffc\ub9ac\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uae30\ub2a5\uc73c\ub85c, \uc77c\ubc18\uc801\uc73c\ub85c LIKE \uc5f0\uc0b0\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc218\ud589\ud569\ub2c8\ub2e4. \ud2b9\ud788 \ud6a8\uc728\uc801\uc778 \uc640\uc77c\ub4dc\uce74\ub4dc \ub9e4\uce6d\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. 'foo%'\uc640 \uac19\uc740 \uacbd\uc6b0\ub294 \ud45c\uc900 \uc778\ub371\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud6a8\uc728\uc801\uc73c\ub85c \uad6c\ud604\ud560 \uc218 \uc788\uc9c0\ub9cc, '%foo%'\uc640 \uac19\uc740 \uacbd\uc6b0\ub294 \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc120\ud589 \uc640\uc77c\ub4dc\uce74\ub4dc\ub97c \uc0ac\uc6a9\ud55c \ud328\ud134 \uc77c\uce58\ub294 \ubd80\ubd84 \ub2e8\uc5b4\ub97c \uc77c\uce58\uc2dc\ud0a4\uac70\ub098 \uc77c\uce58\ud558\ub294 \ud14d\uc2a4\ud2b8\ub97c \uc2a4\ub9c8\ud2b8 \uc81c\uc548\ud558\ub294 \uac80\uc0c9\ucc3d\uc774 \uc788\ub294 \ubaa8\ub4e0 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4<\/p>\n<ul>\n<li>\uc0ac\uc6a9\uc790\uac00 \uacf5\ud56d \uc774\ub984 \uba87 \uae00\uc790\ub97c \uc785\ub825\ud558\uae30 \uc2dc\uc791\ud558\uba74 \uc77c\uce58\ud558\ub294 \uacf5\ud56d\uc744 \ud31d\uc5c5\uc73c\ub85c \ud45c\uc2dc\ud558\ub824\ub294 \uc5ec\ud589 \uc608\uc57d \uc0ac\uc774\ud2b8\uc785\ub2c8\ub2e4.<\/li>\n<li>\uc81c\ubaa9\uc5d0 \ud2b9\uc815 \ub2e8\uc5b4 \ub610\ub294 \uc77c\ubd80 \ub2e8\uc5b4\uac00 \ud3ec\ud568\ub41c \ubaa8\ub4e0 \uc774\uba54\uc77c\uc744 \ucc3e\ub294 \uc0ac\uc6a9\uc790.<\/li>\n<li>\uc81c\ubaa9\uc5d0 \ud2b9\uc815 \ud0a4\uc6cc\ub4dc\uac00 \ud3ec\ud568\ub41c \ud3ec\ub7fc \ub610\ub294 \ube14\ub85c\uadf8 \uac8c\uc2dc\uae00\uc758 \ubaa8\ub4e0 \uc8fc\uc81c\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>Couchbase Server 4.5.1\uc5d0\uc11c N1QL\uc740 \uc0c8\ub85c\uc6b4 \ubb38\uc790\uc5f4 \ud568\uc218 SUFFIXES()\ub97c \ucd94\uac00\ud558\uace0 \uc774\ub97c Couchbase Server 4.5\uc5d0 \ub3c4\uc785\ub41c \ubc30\uc5f4 \uc778\ub371\uc2f1 \uae30\ub2a5\uacfc \uacb0\ud569\ud558\uc5ec \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uc774 \uae30\ub2a5\uc744 \ud568\uaed8 \uc0ac\uc6a9\ud558\uba74 \"%foo%\"\uc640 \uac19\uc740 \uc8fc\uc694 \uc640\uc77c\ub4dc\uce74\ub4dc\ub97c \uc0ac\uc6a9\ud558\ub294 LIKE \ucffc\ub9ac\uc758 \uc131\ub2a5\uc5d0 \uc5c4\uccad\ub09c \ucc28\uc774\ub97c \uac00\uc838\uc62c \uc218 \uc788\uc2b5\ub2c8\ub2e4. SUFFIXES()\uc758 \ud575\uc2ec \uae30\ub2a5\uc740 \ub9e4\uc6b0 \uac04\ub2e8\ud558\uba70, \uae30\ubcf8\uc801\uc73c\ub85c \uc8fc\uc5b4\uc9c4 \ubb38\uc790\uc5f4\uc758 \uac00\ub2a5\ud55c \ubaa8\ub4e0 \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\uc758 \ubc30\uc5f4\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4<\/p>\n<pre><code class=\"language-javascript\">SUFFIXES(\"N1QL\") = [ \"N1QL\", \"1QL\", \"QL\", \"L\" ]<\/code><\/pre>\n<p>\ub2e4\uc74c \uadf8\ub9bc\uc740 \ub2e4\uc74c \ub450 \uac00\uc9c0\ub97c \uacb0\ud569\ud558\ub294 \ub3c5\ud2b9\ud55c \uae30\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <code>\uc811\ubbf8\uc0ac()<\/code> \uae30\ub2a5\uc744 \ubc30\uc5f4 \uc778\ub371\uc2f1\uacfc \ud568\uaed8 \uc0ac\uc6a9\ud558\uba74 \ub9c8\ubc95\ucc98\ub7fc <code>\uc88b\uc544\uc694<\/code> \ucffc\ub9ac \uc131\ub2a5.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2664\" src=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2016\/10\/suffixes1.png\" alt=\"\" width=\"1900\" height=\"1069\" srcset=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1.png 1900w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-300x169.png 300w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-1024x576.png 1024w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-768x432.png 768w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-1536x864.png 1536w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-20x11.png 20w, https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1-1320x743.png 1320w\" sizes=\"auto, (max-width: 1900px) 100vw, 1900px\" \/><\/p>\n<ol>\n<li>Step1(\ud30c\ub780\uc0c9)\uc740 \ub2e4\uc74c\uc5d0\uc11c \uc0dd\uc131\ub41c \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\uc758 \ubc30\uc5f4\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <code>\uc811\ubbf8\uc0ac()<\/code> \uc5d0 \ub300\ud55c <code>doc1.title<\/code><\/li>\n<li>2\ub2e8\uacc4(\ub178\ub780\uc0c9)\ub294 1\ub2e8\uacc4\uc5d0\uc11c \uc0dd\uc131\ub41c \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\ub85c \uc0dd\uc131\ub41c \ubc30\uc5f4 \uc778\ub371\uc2a4\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc778\ub371\uc2a4 \ud56d\ubaa9\uc740 <code>\"wood\"<\/code> \uc740 \ub2e4\uc74c\uc744 \uac00\ub9ac\ud0b5\ub2c8\ub2e4. <code>doc1<\/code> \uadf8\ub9ac\uace0 <code>doc4<\/code>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub450 \ubb38\uc11c \uc81c\ubaa9\uc758 \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c <code>\"ood\"<\/code> \uc740 \ub2e4\uc74c\uc744 \uac00\ub9ac\ud0b5\ub2c8\ub2e4. <code>doc1<\/code>, <code>doc4<\/code>\ubc0f <code>doc8<\/code>.<\/li>\n<li>3\ub2e8\uacc4(\ub179\uc0c9)\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ucffc\ub9ac\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4. <code>SELECT title FROM bucket WHERE title LIKE \"%wood%\"<\/code>. LIKE \uc220\uc5b4\ub294 ANY \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubc30\uc5f4 \uc778\ub371\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \ubcc0\ud658\ub429\ub2c8\ub2e4. \ubc30\uc5f4 \uc778\ub371\uc2f1 \uc0ac\uc6a9\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \ubb38\uc11c\ub97c \ucc38\uc870\ud558\uc138\uc694.\n<ul>\n<li>\uc55e\uc758 \uc640\uc77c\ub4dc\uce74\ub4dc\ub294 \uc0c8\ub85c\uc6b4 <code>\"wood%\" \ucc98\ub7fc<\/code> \uc220\uc5b4.<\/li>\n<li>\ubc30\uc5f4 \uc778\ub371\uc2a4 \uc870\ud68c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\ud655\ud55c \ubcc0\ud658\uc785\ub2c8\ub2e4. <code>\"wood\"<\/code> \uc81c\ubaa9\uc5d0 \ud6c4\ud589 \ud558\uc704 \ubb38\uc790\uc5f4\uc774 \uc788\ub294 \ubaa8\ub4e0 \ubb38\uc11c\ub97c \uac00\ub9ac\ud0b5\ub2c8\ub2e4. <code>\"wood\"<\/code><\/li>\n<\/ul>\n<\/li>\n<li>4\ub2e8\uacc4\uc5d0\uc11c N1QL\uc740 \ubc30\uc5f4 \uc778\ub371\uc2a4\uc5d0\uc11c \uc870\ud68c\ud558\uc5ec \uc77c\uce58\ud558\ub294 \ubaa8\ub4e0 \ubb38\uc11c\ub97c \ucc3e\uc2b5\ub2c8\ub2e4. <code>\"wood%\"<\/code>. \uadf8 \ubc18\ud658 <code>{doc1, doc3, doc4}<\/code>\uc65c\ub0d0\ud558\uba74\n<ul>\n<li>\uc778\ub371\uc2a4 \uc870\ud68c\ub294 \uc2a4\ud32c\uc744 \uc0dd\uc131\ud558\uc5ec \ub2e4\uc74c\uc5d0\uc11c \ubb38\uc11c\ub97c \uac00\uc838\uc635\ub2c8\ub2e4. <code>\"wood\"<\/code> \uc5d0 <code>\"wooe\"<\/code><\/li>\n<li><code>doc1<\/code> \uadf8\ub9ac\uace0 <code>doc4<\/code> \ubc30\uc5f4 \uc778\ub371\uc2a4\ub97c \ub9cc\ub4e4 \ub54c SUFFIXES()\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \uc778\ub371\uc2a4 \ud56d\ubaa9 \"wood\"\ub85c \uc778\ud574 \uc77c\uce58\ud569\ub2c8\ub2e4.<\/li>\n<li><code>doc3<\/code> \uc5d0 \ud574\ub2f9\ud558\ub294 \uc778\ub371\uc2a4 \ud56d\ubaa9\uc774 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc77c\uce58\ud569\ub2c8\ub2e4. <code>\"\uc6b0\ub4dc\ub79c\ub4dc\"<\/code><\/li>\n<\/ul>\n<\/li>\n<li>\ub9c8\uc9c0\ub9c9\uc73c\ub85c 5\ub2e8\uacc4\uc5d0\uc11c N1QL\uc740 \ucffc\ub9ac \uacb0\uacfc\ub97c \ubc18\ud658\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc791\ub3d9\ud558\ub294 \uc608\uc81c\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <code>\uc5ec\ud589 \uc0d8\ud50c<\/code> \ubb38\uc11c\uc5d0 \ub300\ud55c \ucffc\ub9ac \uc131\ub2a5\uc774 12\ubc30 \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\uac12\uc774 \uba87 \ub2e8\uc5b4\uc758 \ud14d\uc2a4\ud2b8 \ub610\ub294 \uad6c\ubb38\uc778 \ubb38\uc790\uc5f4 \ud544\ub4dc\uac00 \uc788\ub294 \ubb38\uc11c\uac00 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ub79c\ub4dc\ub9c8\ud06c\uc758 \uc81c\ubaa9, \uc7a5\uc18c\uc758 \uc8fc\uc18c, \ub808\uc2a4\ud1a0\ub791 \uc774\ub984, \uc0ac\ub78c\/\uc7a5\uc18c\uc758 \uc804\uccb4 \uc774\ub984 \ub4f1\uc774 \uc788\uc73c\uba70, \uc774 \uc124\uba85\uc744 \uc704\ud574 \ub2e4\uc74c\uc744 \uace0\ub824\ud569\ub2c8\ub2e4. <code>title<\/code> \uc758 <code>\ub79c\ub4dc\ub9c8\ud06c<\/code> \ubb38\uc11c\uc5d0 <code> \uc5ec\ud589 \uc0d8\ud50c<\/code>.<\/li>\n<li>\ub2e4\uc74c\uc5d0 \ubcf4\uc870 \uc778\ub371\uc2a4 \ub9cc\ub4e4\uae30 <code>title<\/code> \ud544\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec <code>\uc811\ubbf8\uc0ac()<\/code> \ub85c \uc124\uc815\ud569\ub2c8\ub2e4:\n<pre><code class=\"language-sql\">       CREATE INDEX idx_title_suffix \r\n       ON `travel-sample`(DISTINCT ARRAY s FOR s IN SUFFIXES(title) END)\r\n       WHERE type = \"landmark\";<\/code><\/pre>\n<p><code>\uc811\ubbf8\uc0ac(\uc81c\ubaa9)<\/code> \uc758 \uac00\ub2a5\ud55c \ubaa8\ub4e0 \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. <code>title<\/code>\ub97c \uc785\ub825\ud558\uba74 \uc0c9\uc778\uc5d0\ub294 \ud574\ub2f9 \ubb38\uc11c\ub97c \ucc38\uc870\ud558\ub294 \uac01 \ud558\uc704 \ubb38\uc790\uc5f4\uc5d0 \ub300\ud55c \ud56d\ubaa9\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc774\uc81c \ud558\uc704 \ubb38\uc790\uc5f4\uc774 \uc788\ub294 \ubaa8\ub4e0 \ubb38\uc11c\ub97c \ucc3e\ub294 \ub2e4\uc74c \ucffc\ub9ac\ub97c \uace0\ub824\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <code>\"land\"<\/code> in <code>title<\/code>. \uc774 \ucffc\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacc4\ud68d\uc744 \uc0dd\uc131\ud558\uba70 \ub0b4 \ub178\ud2b8\ubd81\uc5d0\uc11c \uc57d 120\ucd08 \ub9cc\uc5d0 \uc2e4\ud589\ub429\ub2c8\ub2e4. \uba85\ud655\ud558\uac8c \uc54c \uc218 \uc788\ub4ef\uc774 \ubaa8\ub4e0 <code>\ub79c\ub4dc\ub9c8\ud06c<\/code> \ubb38\uc11c\ub97c \uc801\uc6a9\ud55c \ub2e4\uc74c <code>\"%land%\"\ucc98\ub7fc<\/code>\uc220\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc77c\uce58\ud558\ub294 \ubaa8\ub4e0 \ubb38\uc11c\ub97c \ucc3e\uc2b5\ub2c8\ub2e4.\n<pre><code class=\"language-sql\">EXPLAIN SELECT * FROM `travel-sample` USE INDEX(def_type) WHERE type = \"landmark\" AND title LIKE \"%land%\";\r\n[\r\n  {\r\n    \"plan\": {\r\n      \"#operator\": \"Sequence\",\r\n      \"~children\": [\r\n        {\r\n          \"#operator\": \"IndexScan\",\r\n          \"index\": \"def_type\",\r\n          \"index_id\": \"e23b6a21e21f6f2\",\r\n          \"keyspace\": \"travel-sample\",\r\n          \"namespace\": \"default\",\r\n          \"spans\": [\r\n            {\r\n              \"Range\": {\r\n                \"High\": [\r\n                  \"\"landmark\"\"\r\n                ],\r\n                \"Inclusion\": 3,\r\n                \"Low\": [\r\n                  \"\"landmark\"\"\r\n                ]\r\n              }\r\n            }\r\n          ],\r\n          \"using\": \"gsi\"\r\n        },\r\n        {\r\n          \"#operator\": \"Fetch\",\r\n          \"keyspace\": \"travel-sample\",\r\n          \"namespace\": \"default\"\r\n        },\r\n        {\r\n          \"#operator\": \"Parallel\",\r\n          \"~child\": {\r\n            \"#operator\": \"Sequence\",\r\n            \"~children\": [\r\n              {\r\n                \"#operator\": \"Filter\",\r\n                \"condition\": \"(((`travel-sample`.`type`) = \"landmark\") and ((`travel-sample`.`title`) like \"%land%\"))\"\r\n              }\r\n            ]\r\n        }<\/code><\/pre>\n<\/li>\n<li>Couchbase 4.5.1\uc5d0\uc11c\ub294 \ubc30\uc5f4 \uc778\ub371\uc2a4\ub97c \ud65c\uc6a9\ud558\ub3c4\ub85d \uc774 \ucffc\ub9ac\ub97c \uc7ac\uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <code>IDX_\uc81c\ubaa9_\uc811\ubbf8\uc0ac<\/code> \uc704 (2)\uc5d0\uc11c \uc0dd\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4.\n<pre><code class=\"language-sql\">EXPLAIN SELECT title FROM `travel-sample` USE INDEX(idx_title_suffix) WHERE type = \"landmark\" AND  \r\nANY s IN SUFFIXES(title) SATISFIES s LIKE \"land%\"  END;\r\n[\r\n  {\r\n    \"plan\": {\r\n      \"#operator\": \"Sequence\",\r\n      \"~children\": [\r\n        {\r\n          \"#operator\": \"DistinctScan\",\r\n          \"scan\": {\r\n            \"#operator\": \"IndexScan\",\r\n            \"index\": \"idx_title_suffix\",\r\n            \"index_id\": \"75b20d4b253214d1\",\r\n            \"keyspace\": \"travel-sample\",\r\n            \"namespace\": \"default\",\r\n            \"spans\": [\r\n              {\r\n                \"Range\": {\r\n                  \"High\": [\r\n                    \"\"lane\"\"\r\n                  ],\r\n                  \"Inclusion\": 1,\r\n                  \"Low\": [\r\n                    \"\"land\"\"\r\n                  ]\r\n                }\r\n              }\r\n            ],\r\n            \"using\": \"gsi\"\r\n          }\r\n        },\r\n        {\r\n          \"#operator\": \"Fetch\",\r\n          \"keyspace\": \"travel-sample\",\r\n          \"namespace\": \"default\"\r\n        },\r\n        {\r\n          \"#operator\": \"Parallel\",\r\n          \"~child\": {\r\n            \"#operator\": \"Sequence\",\r\n            \"~children\": [\r\n              {\r\n                \"#operator\": \"Filter\",\r\n                \"condition\": \"(((`travel-sample`.`type`) = \"landmark\") and any `s` in suffixes((`travel-sample`.`title`)) satisfies (`s` like \"land%\") end)\"\r\n              },\r\n<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>\ucc38\uace0\ud558\uc138\uc694:<\/p>\n<ul>\n<li>(4)\uc758 \uc0c8 \ucffc\ub9ac\ub294 <code>LIKE \"land%\"<\/code>\ub300\uc2e0 <code>\"%land%\"\ucc98\ub7fc<\/code>. \uc120\ud589 \uc640\uc77c\ub4dc\uce74\ub4dc\uac00 \uc5c6\ub294 \uc804 \uc220\uc5b4 <code>'%'<\/code> \ub294 \uc220\uc5b4\ub97c \uc778\ub371\uc2a4\ub85c \ud478\uc2dc\ub2e4\uc6b4\ud560 \uc218 \uc5c6\ub294 \ud6c4\uc790\uc758 \uc778\ub371\uc2a4 \uc870\ud68c\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ud6a8\uc728\uc801\uc778 \uc778\ub371\uc2a4 \uc870\ud68c\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubc30\uc5f4 \uc778\ub371\uc2a4 <code>IDX_\uc81c\ubaa9_\uc811\ubbf8\uc0ac<\/code> \uc758 \uac00\ub2a5\ud55c \ubaa8\ub4e0 \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\ub85c \uc0dd\uc131\ub429\ub2c8\ub2e4. <code>title<\/code>\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c \uc81c\ubaa9\uc758 \uc811\ubbf8\uc0ac \ud558\uc704 \ubb38\uc790\uc5f4\uc744 \uc870\ud68c\ud558\uba74 \uc77c\uce58\ud558\ub294 \ud56d\ubaa9\uc744 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc704\uc758 4.5.1 \ucffc\ub9ac \uacc4\ud68d (4)\uc5d0\uc11c N1QL\uc740 LIKE \uc220\uc5b4\ub97c \uc778\ub371\uc2a4 \uc870\ud68c\ub85c \ubc00\uc5b4\ub0b4\uc5b4 \ucd94\uac00\uc801\uc778 \ud328\ud134 \uc77c\uce58 \ubb38\uc790\uc5f4 \ucc98\ub9ac\ub97c \ud53c\ud569\ub2c8\ub2e4. \uc774 \ucffc\ub9ac\ub294 18ms\uc5d0 \uc2e4\ud589\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uc2e4\uc81c\ub85c \ubc30\uc5f4 \uc778\ub371\uc2a4\ub97c \uc801\uc6a9\ud558\uba74 \ucffc\ub9ac \uc2e4\ud589 \uc2dc\uac04\uc774 10ms\ub85c 12\ubc30 \ube68\ub77c\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<pre><code class=\"language-sql\">       CREATE INDEX idx_title_suffix_cover\r\n       ON `travel-sample`(DISTINCT ARRAY s FOR s IN SUFFIXES(title) END, title)\r\n       WHERE type = \"landmark\";<\/code><\/pre>\n<p>\uc774\uac83\uc744 \ucc38\uc870\ud558\uc138\uc694 <a href=\"https:\/\/dzone.com\/articles\/a-couchbase-index-technique-for-like-predicates-wi\">\ube14\ub85c\uadf8<\/a> \ub97c \ucc38\uc870\ud558\uc5ec \uc774 \uae30\ub2a5\uc758 \uc2e4\uc81c \uc801\uc6a9\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694.<\/p>\n<h2>\uc911\ucca9 \ubc30\uc5f4\uacfc \ud568\uaed8 \uc791\ub3d9\ud558\ub3c4\ub85d \uc5c5\ub370\uc774\ud2b8 \uae30\ub2a5 \ud5a5\uc0c1<\/h2>\n<p>\uc5d4\ud130\ud504\ub77c\uc774\uc988 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\ub294 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130\uac00 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc73c\uba70, \uc5ec\ub7ec \uc218\uc900\uc758 \uc911\ucca9\ub41c \uac1c\uccb4\uc640 \ubc30\uc5f4\uc774 \uc788\ub294 JSON \ubb38\uc11c\ub97c \ubaa8\ub378\ub9c1\ud574\uc57c \ud569\ub2c8\ub2e4. N1QL\uc740 \uc911\ucca9 \ubc30\uc5f4\uc774 \uc788\ub294 \uc774\ub7ec\ud55c \ubb38\uc11c\ub97c \ud0d0\uc0c9\ud558\uace0 \ucffc\ub9ac\ud558\uae30 \uc704\ud55c \ubcf5\uc7a1\ud55c \ud45c\ud604\uc2dd\uacfc \uc5b8\uc5b4 \uad6c\uc131\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. N1QL\uc740 \ub610\ud55c \ub2e4\uc74c\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. <a href=\"https:\/\/developer.couchbase.com\/documentation\/server\/4.5\/n1ql\/n1ql-language-reference\/indexing-arrays.html\">\ubc30\uc5f4 \uc778\ub371\uc2f1<\/a>\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubc30\uc5f4 \uc694\uc18c\uc5d0 \ubcf4\uc870 \uc778\ub371\uc2a4\ub97c \uc0dd\uc131\ud55c \ub2e4\uc74c \ucffc\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 4.5.1\uc5d0\uc11c\ub294 <code>\uc5c5\ub370\uc774\ud2b8<\/code> \ubb38 \uad6c\ubb38\uc774 \ubb38\uc11c\uc5d0\uc11c \uc911\ucca9\ub41c \ubc30\uc5f4\uc744 \ud0d0\uc0c9\ud558\uace0 \uc911\ucca9\ub41c \ubc30\uc5f4 \uc694\uc18c\uc758 \ud2b9\uc815 \ud544\ub4dc\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\ub3c4\ub85d \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc911\ucca9 \ubc30\uc5f4\uc758 <code>FOR<\/code>-\uc870\ud56d\uc758 <code>\uc5c5\ub370\uc774\ud2b8<\/code> \ubb38\uc774 \ud568\uc218\uc640 \ud45c\ud604\uc2dd\uc744 \ud3c9\uac00\ud558\ub3c4\ub85d \uac1c\uc120\ub418\uc5c8\uc73c\uba70, \uc0c8\ub85c\uc6b4 \uad6c\ubb38\uc740 \uc5ec\ub7ec \uac1c\uc758 \uc911\ucca9\ub41c <code>FOR<\/code> \ud45c\ud604\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc911\ucca9 \ubc30\uc5f4\uc758 \ud544\ub4dc\uc5d0 \uc561\uc138\uc2a4\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\ub2e4\uc74c\uacfc \uac19\uc774 \uc911\ucca9 \ubc30\uc5f4\uc774 \uc788\ub294 \ubb38\uc11c\ub97c \uc608\ub85c \ub4e4\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-javascript\">{ \r\n  items: [\r\n    {\r\n      subitems: [\r\n        {\r\n          name: \"N1QL\"\r\n        },\r\n        {\r\n          name: \"GSI\"\r\n        }\r\n      ] \r\n    }\r\n  ],\r\n  docType: \"couchbase\"   \r\n}<\/code><\/pre>\n<p>\uc0c8\ub85c\uc6b4 <code>\uc5c5\ub370\uc774\ud2b8<\/code> \uad6c\ubb38\uc744 \ub2e4\uc591\ud55c \ubc29\uc2dd\uc73c\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc911\ucca9 \ubc30\uc5f4\uc5d0 \uc561\uc138\uc2a4\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\n<pre><code class=\"language-sql\">UPDATE default SET s.newField = 'newValue' \r\nFOR s IN ARRAY_FLATTEN(items[*].subitems, 1) END; <\/code><\/pre>\n<\/li>\n<li>\n<pre><code class=\"language-sql\">UPDATE default \r\nSET s.newField = 'newValue' \r\nFOR s IN ARRAY_FLATTEN(ARRAY i.subitems FOR i IN items END, 1) END; <\/code><\/pre>\n<\/li>\n<li>\n<pre><code class=\"language-sql\">UPDATE default \r\nSET i.subitems = ( ARRAY OBJECT_ADD(s, 'newField', 'newValue') \r\n                   FOR s IN i.subitems END ) FOR i IN items END; <\/code><\/pre>\n<\/li>\n<\/ul>\n<p>\ucc38\uace0\ud558\uc138\uc694:<\/p>\n<ul>\n<li>\uadf8\ub9ac\uace0 <code>SET<\/code>-\uc808\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud568\uc218\ub97c \ud3c9\uac00\ud569\ub2c8\ub2e4. <code>\uac1d\uccb4 \ucd94\uac00()<\/code> \uadf8\ub9ac\uace0 <code>array_flatten()<\/code><\/li>\n<li><code>FOR<\/code> \uad6c\ubb38\uc744 \ud45c\ud604\uc2dd\uacfc \ud568\uaed8 \uc911\ucca9\ub41c \ubc29\uc2dd\uc73c\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc11c\ub85c \ub2e4\ub978 \uc911\ucca9 \uc218\uc900\uc5d0\uc11c \ubc30\uc5f4 \uc694\uc18c\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc791\ub3d9\ud558\ub294 \uc608\ub85c \uc0d8\ud50c \ubc84\ud0b7\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <code>\uc5ec\ud589 \uc0d8\ud50c<\/code> \u00a04.5.1\uacfc \ud568\uaed8 \uc81c\uacf5\ub429\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\uba3c\uc800 \ubc30\uc5f4 \uc77c\uc815\uc5d0 \ud2b9\ubcc4 \ud56d\uacf5\ud3b8\uc758 \uc911\ucca9 \ubc30\uc5f4\uc744 \ucd94\uac00\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <code>\uc5ec\ud589 \uc0d8\ud50c<\/code> \ubc84\ud0b7\uc744 \uc0ac\uc6a9\ud558\uc138\uc694.\n<pre><code class=\"language-sql\">UPDATE `travel-sample` \r\nSET schedule[0] = {\"day\" : 7, \"special_flights\" : \r\n                    [ {\"flight\" : \"AI444\", \"utc\" : \"4:44:44\"}, \r\n                      {\"flight\" : \"AI333\", \"utc\" : \"3:33:33\"} \r\n                    ] } \r\nWHERE type = \"route\" AND destinationairport = \"CDG\" AND sourceairport = \"TLV\";<\/code><\/pre>\n<\/li>\n<li>\ub2e4\uc74c \uc5c5\ub370\uc774\ud2b8 \ubb38\uc740 \uac01 \ud2b9\ubcc4 \ud56d\uacf5\ud3b8\uc5d0 \uc138 \ubc88\uc9f8 \ud544\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4:\n<pre><code class=\"language-sql\">UPDATE `travel-sample`\r\nSET i.special_flights = ( ARRAY OBJECT_ADD(s, 'newField', 'newValue' ) \r\n                          FOR s IN i.special_flights END ) \r\n                                       FOR i IN schedule END\r\nWHERE type = \"route\" AND destinationairport = \"CDG\" AND sourceairport = \"TLV\";\r\n\r\n\r\nSELECT schedule[0] from `travel-sample` \r\nWHERE type = \"route\" AND destinationairport = \"CDG\" AND sourceairport = \"TLV\" LIMIT 1;\r\n[\r\n  {\r\n    \"$1\": {\r\n      \"day\": 7,\r\n      \"special_flights\": [\r\n        {\r\n          \"flight\": \"AI444\",\r\n          \"newField\": \"newValue\",\r\n          \"utc\": \"4:44:44\"\r\n        },\r\n        {\r\n          \"flight\": \"AI333\",\r\n          \"newField\": \"newValue\",\r\n          \"utc\": \"3:33:33\"\r\n        }\r\n      ]\r\n    }\r\n  }\r\n]<\/code><\/pre>\n<\/li>\n<\/ol>\n<p>Couchbase Server 4.5.1 \ub9b4\ub9ac\uc2a4\uc5d0\ub294 \ub354 \ub9ce\uc740 \uc911\uc694\ud55c N1QL \uac1c\uc120 \uc0ac\ud56d \ubc0f \uc131\ub2a5 \uae30\ub2a5\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uc5d0 \ub300\ud574\uc11c\ub294 \uc81c <a href=\"https:\/\/www.couchbase.com\/blog\/ko\/more-n1ql-enhancements-in-4.5.1---part2\/\">\ub2e4\uc74c \ube14\ub85c\uadf8\/\ud30c\ud2b82<\/a>.<\/p>\n<p><a href=\"https:\/\/www.couchbase.com\/blog\/ko\/nosql-databases\/downloads\/\">4.5.1 \ub2e4\uc6b4\ub85c\ub4dc<\/a>\u00a0\ub97c \ud074\ub9ad\ud558\uace0 \uc0ac\uc6a9\ud574 \ubcf4\uc138\uc694. \uc9c8\ubb38\/\uc758\uacac\uc774 \uc788\uac70\ub098 \uc5bc\ub9c8\ub098 \uba4b\uc9c4\uc9c0 \uc54c\ub824\uc8fc\uc138\uc694 ;-)<br \/>\n\uac74\ubc30!!<\/p>","protected":false},"excerpt":{"rendered":"<p>Couchbase is all about enabling more and more enterprise applications to leverage and adopt NoSQL\/JSON data model. N1QL simplifies this transition from traditional Relational databases, and is built with tons of features to achieve best of both worlds. Continuing the [&hellip;]<\/p>","protected":false},"author":70,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1812],"tags":[1840],"ppma_author":[8935],"class_list":["post-2412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-n1ql-query","tag-array-index"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.2 (Yoast SEO v26.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>N1QL enhancements in 4.5.1 - Part1 - The Couchbase Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/ko\/n1ql-functionality-enhancements-in-couchbase-server-4-5-1\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"N1QL enhancements in 4.5.1 - Part1\" \/>\n<meta property=\"og:description\" content=\"Couchbase is all about enabling more and more enterprise applications to leverage and adopt NoSQL\/JSON data model. N1QL simplifies this transition from traditional Relational databases, and is built with tons of features to achieve best of both worlds. Continuing the [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/ko\/n1ql-functionality-enhancements-in-couchbase-server-4-5-1\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2016-10-17T17:37:52+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-09T14:21:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2016\/10\/suffixes1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1900\" \/>\n\t<meta property=\"og:image:height\" content=\"1069\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Prasad Varakur, Principal Product Manager, Couchbase\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Prasad Varakur, Principal Product Manager, Couchbase\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/n1ql-functionality-enhancements-in-couchbase-server-4-5-1\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/n1ql-functionality-enhancements-in-couchbase-server-4-5-1\/\"},\"author\":{\"name\":\"Prasad Varakur, Principal Product Manager, Couchbase\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/c649b2296584f6b734c5a21681137e46\"},\"headline\":\"N1QL enhancements in 4.5.1 &#8211; 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