{"id":41436,"date":"2023-12-23T14:02:21","date_gmt":"2023-06-09T12:18:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e-postgresql-%e7%b4%a2%e5%bc%95\/"},"modified":"2024-05-04T15:00:55","modified_gmt":"2024-05-04T07:00:55","slug":"%e5%85%b3%e4%ba%8e-postgresql-%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%85%b3%e4%ba%8e-postgresql-%e7%b4%a2%e5%bc%95\/","title":{"rendered":"\u5173\u4e8e PostgreSQL \u7d22\u5f15"},"content":{"rendered":"<h1>\u6307\u6570\u662f\u4ec0\u4e48\uff1f<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c6\u30fc\u30d6\u30eb\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u691c\u7d22\u6642\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f4d\u7f6e\u3092\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001\u691c\u7d22\u901f\u5ea6\u3092\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306e\u691c\u7d22\u3067\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u306e\u6700\u521d\u304b\u3089\u9806\u756a\u306b1\u4ef6\u305a\u3064\u63a2\u3059\u305f\u3081\u3001\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4e0b\u304c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u306f\u691c\u7d22\u306b\u7279\u5316\u3057\u305f\u69d8\u3005\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u304c\u3042\u308b\u3002<\/ul>\n<p>\u203b\u6570\u636e\u7ed3\u6784\uff1a\u5728\u8ba1\u7b97\u673a\u5904\u7406\u6570\u636e\u65f6\uff0c\u6307\u4ee5\u56fa\u5b9a\u683c\u5f0f\u5b58\u50a8\u6570\u636e\u7684\u4e00\u79cd\u65b9\u5f0f\u3002<br \/>\n\u5177\u4f53\u4f8b\uff09\u6570\u7ec4\u548c\u94fe\u8868\u7b49\u90fd\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\u3002<br \/>\n\u5728\u7f16\u5199\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u9884\u5148\u8003\u8651\u8981\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u5e76\u9009\u62e9\u6700\u9002\u5408\u8be5\u64cd\u4f5c\u7684\u6570\u636e\u7ed3\u6784\u3002\u4e3a\u6b64\uff0c\u4e86\u89e3\u5404\u79cd\u6570\u636e\u7ed3\u6784\u7684\u7279\u70b9\u5341\u5206\u91cd\u8981\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30e1\u30ea\u30c3\u30c8\u30c7\u30e1\u30ea\u30c3\u30c8\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u304a\u3051\u3070\u3001\u30c7\u30fc\u30bf\u62bd\u51fa\u306e\u969b\u306b\u30ab\u30e9\u30e0\u306b\u8a2d\u5b9a\u3055\u308c\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u691c\u7d22\u3059\u308b\u306e\u3067\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8ca0\u62c5\u3082\u8efd\u6e1b\u3057\u3001\u306a\u304a\u304b\u3064\u691c\u7d22\u52b9\u7387\u304c\u30a2\u30c3\u30d7\u3059\u308b\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3082\u5fc5\u305a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3059\u308b\u3068\u306f\u9650\u3089\u306a\u3044\u3002\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u8a2d\u5b9a\u306b\u3088\u308a\u691c\u7d22\u5bfe\u8c61\u306e\u30c6\u30fc\u30d6\u30eb\u306e\u66f4\u65b0\u901f\u5ea6\u304c\u4e0b\u304c\u308b\u7b49\u306e\u30c7\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u3002\u307e\u305f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u8a2d\u5b9a\u3057\u3066\u3082\u6027\u80fd\u304c\u4e0a\u3089\u306a\u3044\u30b1\u30fc\u30b9\u3082\u3042\u308b\u3002<\/div>\n<\/div>\n<h1>\u7d22\u5f15\u7684\u7279\u70b9 de<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u691c\u7d22\u51e6\u7406\u3092\u52b9\u7387\u5316\u3057\u3001\u6027\u80fd\u3092\u4e0a\u3052\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u305f\u3060\u3057\u3001\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u5fc5\u305a\u6027\u80fd\u304c\u5411\u4e0a\u3059\u308b\u3068\u3044\u3046\u4fdd\u8a3c\u306f\u306a\u3044\u305f\u3081\u3001\u4f5c\u6210\u6642\u306b\u306f\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u672a\u4f7f\u7528\u3067\u3042\u3063\u3066\u3082\u6574\u5408\u6027\u304c\u53d6\u308c\u308b\u3088\u3046\u306b\u7ba1\u7406\u3055\u308c\u308b\u305f\u3081\u3001\u66f4\u65b0\u51e6\u7406\u304c\u9045\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u8907\u6570\u30ab\u30e9\u30e0\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f5c\u6210\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4e3b\u30ad\u30fc\u5236\u7d04\u3084\u30e6\u30cb\u30fc\u30af\u5236\u7d04\u3092\u5b9a\u7fa9\u3059\u308b\u3068\u81ea\u52d5\u3067\u4f5c\u6210\u3055\u308c\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u4f7f\u7528\u3067\u304d\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7a2e\u985e\u306fB-Tree\u3001GiST\u3001GIN\u3001\u30cf\u30c3\u30b7\u30e5\u3067\u3042\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u3082\u3001WHERE\u53e5\u306a\u3069\u306e\u6761\u4ef6\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u30ab\u30e9\u30e0\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u4f7f\u7528\u3055\u308c\u306a\u3044<\/ul>\n<h1>\u5404\u79cd\u6307\u6570<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">PostgreSQL\u3067\u306f\u3001B-tree\u3001R-tree\u3001Hash\u3001GiST\u3068\u3044\u3063\u305f\u8907\u6570\u306e\u7a2e\u985e\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6271\u3046\u30c7\u30fc\u30bf\u306b\u3088\u3063\u3066\u4f7f\u3044\u5206\u3051\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u4e00\u822c\u7684\u306b\u3001PostgreSQL\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306eB-tree\u304c\u4f7f\u7528\u3055\u308c\u308b\u3002<\/ul>\n<h1>\u521b\u5efa\u7d22\u5f15<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u3001B-tree\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4f5c\u6210\u65b9\u6cd5\u306f\u4ee5\u4e0b\u306e3\u901a\u308a<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u66f8\u5f0f\uff1a<\/ul>\n<\/li>\n<\/ul>\n<p>\u2460CREATE INDEX \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d ON \u30c6\u30fc\u30d6\u30eb\u540d(\u30ab\u30e9\u30e0\u540d);<\/p>\n<p>\u2461CREATE TABLE \u30c6\u30fc\u30d6\u30eb\u540d(\u30ab\u30e9\u30e0\u540d \u578b,\u30ab\u30e9\u30e0\u540d \u578b, &#8230; INDEX(\u30ab\u30e9\u30e0\u540d);<\/p>\n<p>\u2462ALTER TABLE \u30c6\u30fc\u30d6\u30eb\u540d ADD INDEX \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d(\u30ab\u30e9\u30e0\u540d);<\/p>\n<h2>\u521b\u5efa\u7d22\u5f15<\/h2>\n<p>\u683c\u5f0f\uff1a\u5728\u8868\u540d(\u5217\u540d)\u4e0a\u521b\u5efa\u7d22\u5f15\u7d22\u5f15\u540d\uff1b<\/p>\n<pre class=\"post-pre\"><code>postgres=# CREATE INDEX idx_zip ON tbl_Address(zip); \r\n<\/code><\/pre>\n<h2>\u5728\u521b\u5efa\u8868\u7684\u540c\u65f6\u4e5f\u521b\u5efa\u7d22\u5f15\u3002<\/h2>\n<p>\u521b\u5efa\u8868\u683c\uff1aCREATE TABLE \u8868\u683c\u540d\u79f0 (\u5217\u540d\u79f0 \u7c7b\u578b, \u5217\u540d\u79f0 \u7c7b\u578b, &#8230; INDEX(\u5217\u540d\u79f0);<\/p>\n<pre class=\"post-pre\"><code>postgres=# CREATE TABLE tbl_Address(\r\npostgres-# UserID INT NOT NULL PRIMARY KEY,\r\npostgres-# Zip CHAR(8) DEFAULT NULL,\r\npostgres-# Ken CHAR(5) DEFAULT NULL,\r\npostgres-# Addr VARCHAR(200) DEFAULT NULL,\r\npostgres-# INDEX idx_zip(zip)\r\npostgres-# );\r\n<\/code><\/pre>\n<h2>\u2462\u5728\u4e4b\u540e\u5411\u6570\u636e\u8868\u4e2d\u6dfb\u52a0\u7d22\u5f15<\/h2>\n<p>\u66f8\u5f0f\uff1aALTER TABLE \u8868\u540d \u6dfb\u52a0\u7d22\u5f15 \u7d22\u5f15\u540d(\u5217\u540d);<\/p>\n<pre class=\"post-pre\"><code>postgres=# ALTER TABLE tbl_Address ADD INDEX idx_zip(zIP);\r\n<\/code><\/pre>\n<h1>\u5220\u9664\u7d22\u5f15<\/h1>\n<p>\u4e66\u5f0f\uff1a\u5220\u9664\u7d22\u5f15\u540d\u4e3a\u300c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d\u300d\u7684\u7d22\u5f15\u3002<\/p>\n<pre class=\"post-pre\"><code>postgres=# CREATE INDEX idx_zip; \r\n<\/code><\/pre>\n<h1>\u66f4\u6539\u7d22\u5f15<\/h1>\n<h2>\u66f4\u6539\u7d22\u5f15\u7684\u540d\u79f0<\/h2>\n<p>\u4e66\u5199\u683c\u5f0f\uff1aALTER INDEX &#8220;\u7d22\u5f15\u540d&#8221; \u91cd\u547d\u540d\u4e3a &#8220;\u65b0\u7d22\u5f15\u540d&#8221;\uff1b<\/p>\n<pre class=\"post-pre\"><code>postgres=# ALTER INDEX idx_zip RENAME TO new_idx_zip; \r\n<\/code><\/pre>\n<h1>\u786e\u8ba4\u7d22\u5f15<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c6\u30fc\u30d6\u30eb\u306e\u30ab\u30e9\u30e0\u306e\u60c5\u5831\u3092\u53d6\u5f97\u3057\u305f\u6642\uff08\/d\uff09\u306b\u3001\u3069\u306e\u30ab\u30e9\u30e0\u306b\u5bfe\u3057\u3066\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u306e\u304b\u306e\u60c5\u5831\u3082\u8868\u793a\u3055\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u540d \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u7a2e\u985e(\u5bfe\u8c61\u306e\u30ab\u30e9\u30e0)<\/ul>\n<\/li>\n<\/ul>\n<p>\u4f8b\uff09&#8221;idx_zip&#8221; btree (zip)<\/p>\n<pre class=\"post-pre\"><code>postgres=# \\d tbl_Address\r\n<\/code><\/pre>\n<h1>\u8bf7\u67e5\u770b\u7d22\u5f15\u5217\u8868\u3002<\/h1>\n<ul class=\"post-ul\">\u30c6\u30fc\u30d6\u30eb\u306b\u9650\u3089\u305a\u3001\u5b58\u5728\u3057\u3066\u3044\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4e00\u89a7\u3092\u78ba\u8a8d\u3059\u308b\u3002<\/ul>\n<pre class=\"post-pre\"><code>postgres=# \\di\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u6307\u6570\u662f\u4ec0\u4e48\uff1f \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306e\u4e00\u822c\u7684\u306a\u65b9\u6cd5\u3002 &nbsp; \u30c6\u30fc\u30d6\u30eb\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41436","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO 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