gbase> create fulltext index idx_name on t1(name);\nQuery OK, 0 rows affected (Elapsed: 00:00:00.18)\nRecords: 0 Duplicates: 0 Warnings: 0\n\ngbase> create fulltext index idx_memo on t1(memo) with parser part4;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.16)\nRecords: 0 Duplicates: 0 Warnings: 0\n<\/code><\/pre>\n\n\n\n\u521b\u5efa\u6307\u5b9a\u7d22\u5f15\u6570\u636e\u8def\u5f84\u7684\u4f8b\u5b50<\/p>\n\n\n\n
gbase> create fulltext index idx_name on t1(name) INDEX_DATA_PATH='\/home\/gbase\/gbasefulltextdata' with parser part2;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.29)\nRecords: 0 Duplicates: 0 Warnings: 0\n\ngbase> update index idx_name on t1;\nQuery OK, 7 rows affected (Elapsed: 00:00:01.27)\n\ngbase> system ls -l \/home\/gbase\/gbasefulltextdata\ntotal 0\ndrwx------. 3 gbase gbase 59 Jul 1 16:46 gbase_testdb_t1_n1_C00001.FTD\ndrwx------. 2 gbase gbase 6 Jul 1 16:46 gbase_testdb_t1_n2_C00001.FTD\ndrwx------. 2 gbase gbase 6 Jul 1 16:46 gbase_vc00001_testdb_t1_C00001.FTD\ngbase><\/code><\/pre>\n\n\n\n<\/span>\u67e5\u770b\u5168\u6587\u7d22\u5f15\u5217\u8868<\/span><\/h2>\n\n\n\n\u901a\u8fc7show index from TABLE_NAME\u67e5\u770b\u8be5\u8868\u7684\u7d22\u5f15\u4fe1\u606f\u3002<\/p>\n\n\n\n
gbase> show index from t1;\n+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+\n| Table | Non_unique | Key_name | Seq_in_index | Column_name | Collation | Cardinality | Sub_part | Packed | Null | Index_type | Comment |\n+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+\n| t1 | 1 | idx_memo | 1 | memo | NULL | NULL | NULL | NULL | YES | FULLTEXT | |\n| t1 | 1 | idx_name | 1 | name | NULL | NULL | NULL | NULL | YES | FULLTEXT | |\n+-------+------------+----------+--------------+-------------+-----------+-------------+----------+--------+------+------------+---------+\n2 rows in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<\/span>\u67e5\u770b\u5168\u6587\u7d22\u5f15\u7684\u5efa\u8868\u8bed\u53e5<\/span><\/h2>\n\n\n\n\u5176\u4e2d\u5305\u542b\u4e86\u7d22\u5f15\u6570\u636e\u4f4d\u7f6e\uff0c\u5206\u8bcd\u540d\u5b57\u7b49\u4fe1\u606f\u3002\u6ca1\u6709\u7684\u5219\u7528\u9ed8\u8ba4\u503c\u3002<\/p>\n\n\n\n
gbase> show create table t1;\n\u3002\u3002\u3002\u3002\n| t1 | CREATE TABLE \"t1\" (\n \"id\" int(11) DEFAULT NULL,\n \"name\" varchar(100) DEFAULT NULL,\n \"dept\" int(11) DEFAULT NULL,\n \"birth\" date DEFAULT NULL,\n \"memo\" longtext,\n FULLTEXT \"idx_memo\" (\"memo\") WITH PARSER \"part4\",\n FULLTEXT \"idx_name\" (\"name\")INDEX_DATA_PATH='\/home\/gbase\/gbasefulltextdata' WITH PARSER \"part2\"\n) ENGINE=EXPRESS DEFAULT CHARSET=utf8 TABLESPACE='sys_tablespace' |\n<\/code><\/pre>\n\n\n\n<\/span>\u66f4\u65b0\u5168\u6587\u7d22\u5f15\u6570\u636e<\/span><\/h2>\n\n\n\nUPDATE INDEX index_name ON table_name [WITH ANALYZE];<\/code><\/pre>\n\n\n\n\u5176\u4e2dWITH ANALYZE\u5206\u6790\u6307\u4ee4\uff0c\u52a0\u5165\u540e\u66f4\u65b0\u5168\u6587\u7d22\u65f6\u4f1a\u5bf9\u4e0d\u8fde\u7eed\u6570\u636e\u91cd\u6574\uff0c\u63d0\u5347I\/O \u901f\u5ea6\uff0c\u4ece\u800c\u63d0\u5347\u6027\u80fd\u3002\u4f46\u91cd\u5efa\u65f6\u9700\u8981\u65f6\u95f4\u548c\u8d44\u6e90\u7684\uff0c\u5efa\u8bae\u6839\u636e\u7cfb\u7edf\u8d1f\u8f7d\uff0c\u627e\u95f2\u6687\u65f6\u5b9a\u671f\u6267\u884c\u3002<\/p>\n\n\n\n
gbase> update index idx_memo on t1;\nQuery OK, 7 rows affected (Elapsed: 00:00:01.10)\n\ngbase> update index idx_name on t1;\nQuery OK, 7 rows affected (Elapsed: 00:00:01.15)<\/code><\/pre>\n\n\n\n<\/span>\u5220\u9664\u5168\u6587\u7d22\u5f15<\/span><\/h2>\n\n\n\n\u548c\u5220\u9664\u5176\u5b83\u7d22\u5f15\u4e00\u6837\u7684\u8bed\u6cd5\u3002<\/p>\n\n\n\n
DROP INDEX index_name ON table_name<\/code><\/pre>\n\n\n\ngbase> drop index idx_memo on t1;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.39)\nRecords: 0 Duplicates: 0 Warnings: 0\n\ngbase> drop index idx_name on t1;\nQuery OK, 0 rows affected (Elapsed: 00:00:00.13)\nRecords: 0 Duplicates: 0 Warnings: 0\n<\/code><\/pre>","protected":false},"excerpt":{"rendered":"\u672c\u6587\u4ecb\u7ecdGBase 8a MPP\u6570\u636e\u5e93\u96c6\u7fa4\u5168\u6587\u7d22\u5f15FULLTEXT\u7684\u521b\u5efa\u7d22\u5f15\uff0c\u66f4\u65b0\u7d22\u5f15\u548c\u5220\u9664\u7d22\u5f15\u7684\u65b9\u6cd5\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[104],"class_list":["post-6981","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-104"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6981","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=6981"}],"version-history":[{"count":25,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6981\/revisions"}],"predecessor-version":[{"id":7060,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6981\/revisions\/7060"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=6981"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=6981"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=6981"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}