<\/span><\/h2>\n\n\n\n CONTAINS (column_name, Query Content[, score_flag])<\/code><\/pre>\n\n\n\n<\/span>\u8bf4\u660e<\/span><\/h2>\n\n\n\n- column_name \u5217\u540d\u5b57<\/li>
- Query Content \u67e5\u8be2\u8868\u8fbe\u5f0f\uff0c\u75311\u5230\u591a\u4e2a\u6761\u4ef6\u7ec4\u6210\u3002\u8be6\u60c5\u770b\u540e\u9762\u6837\u4f8b\u4ecb\u7ecd<\/li>
- score_flag SCORE \u6807\u53f7\uff0c\u53ef\u9009\u9879\uff0c \u5982\u4e0d\u586b\u5199\uff0c\u5219\u8868\u793a\u4e0d\u8f93\u51fa\u8bc4\u4f30\u503c, \u5e94\u4e0e SCORE \u51fd\u6570\u4e00\u8d77\u4f7f\u7528<\/li><\/ul>\n\n\n\n
<\/span>\u6837\u4f8b<\/span><\/h2>\n\n\n\n\u672c\u6587\u6837\u4f8b\uff0c\u8c03\u6574\u4e86\u53c2\u6570\uff0c\u4ece\u9ed8\u8ba4\u7684\u201d\u81ea\u7136\u5206\u8bcd\u201c\u53c2\u65700\uff0c\u6539\u6210\u4e86\u5b57\u6bcd\u548c\u6570\u7ec4\u4e09\u5143\u5206\u8bcd\u7684\u53c2\u65703\u3002\u8be6\u7ec6\u7684\u5168\u6587\u914d\u7f6e\uff0c\u8bf7\u53c2\u8003GBase 8a\u5168\u6587\u7d22\u5f15\u914d\u7f6e\u53c2\u6570\u8be6\u89e3(\u7f16\u5199\u4e2d)\u3002<\/p>\n\n\n\n
\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n\n\n\n
<\/span>\u6570\u636e\u6837\u672c<\/span><\/h3>\n\n\n\ngbase> show create table t1;\n+-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n| Table | Create Table |\n+-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\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\")\n) ENGINE=EXPRESS DEFAULT CHARSET=utf8 TABLESPACE='sys_tablespace' |\n+-------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> select * from t1;\n+------+--------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+--------+------+------------+-----------------------------------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 2 | \u674e\u56db | 1 | 1980-08-08 | \u674e\u56db\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 5 | Test | 3 | 1895-10-02 | Test12345678abcdefg |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+--------+------+------------+-----------------------------------+\n7 rows in set (Elapsed: 00:00:00.01)\n\ngbase> update index idx_memo on t1;\nQuery OK, 1 row affected (Elapsed: 00:00:01.29)\n<\/code><\/pre>\n\n\n\n<\/span>\u53cc\u5f15\u53f7\u7cbe\u786e\u5339\u914d<\/span><\/h3>\n\n\n\n\u53cc\u5f15\u53f7\u5185\u7684\u90e8\u5206\uff0c\u5fc5\u987b\u7cbe\u786e\u5b8c\u5168\u5339\u914d\u3002 \u5426\u5219\u5c06\u6309\u7167\u5206\u8bcd\u7ed3\u679c\uff0c\u505aOR\u5339\u914d\u4e86\u3002\u6bd4\u5982 '\u5929\u6d25\u2019\u5339\u914d\u7684\u662f'\u5929'\u548c'\u6d25'\u4e24\u4e2a\u6c49\u5b57\uff0c\u5982\u679c\u4f60\u8981\u5339\u914d\u2018\u5929\u6d25\u2019\u5219\u5fc5\u987b\u7528\u53cc\u5f15\u53f7\u5305\u56f4\u8d77\u6765\u2018\u201c\u5929\u6d25\"'\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'\"TianJin ltd\"');\ngbase> select * from t1 where contains(memo,'\"TianJin China\"');\n+------+-------+------+------------+----------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+----------------------+\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n+------+-------+------+------------+----------------------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase> select * from t1 where contains(memo,'\"TianJin ltd\"');\nEmpty set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<\/span>\u7b49\u540c\u4e8e\u5de6\u53f3\u767e\u5206\u53f7\u7684like\u7684\u67e5\u8be2<\/span><\/h3>\n\n\n\n<\/span>\u6c49\u5b57\uff0c\u5b8c\u6574\u5355\u8bcd\u67e5\u8be2<\/span><\/h4>\n\n\n\ngbase> select * from t1 where contains(memo,'\u4eba');\n+------+--------+------+------------+--------------------------------+\n| id | name | dept | birth | memo |\n+------+--------+------+------------+--------------------------------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 2 | \u674e\u56db | 1 | 1980-08-08 | \u674e\u56db\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n+------+--------+------+------------+--------------------------------+\n2 rows in set (Elapsed: 00:00:00.02)\n\ngbase> select * from t1 where contains(memo,'\u4e2a\u4eba');\n+------+--------+------+------------+--------------------------------+\n| id | name | dept | birth | memo |\n+------+--------+------+------------+--------------------------------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 2 | \u674e\u56db | 1 | 1980-08-08 | \u674e\u56db\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n+------+--------+------+------------+--------------------------------+\n2 rows in set (Elapsed: 00:00:00.00)\n\ngbase> select * from t1 where contains(memo,'TianJin');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n|gbase> select * from t1 where contains(memo,'TianJin');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+-------+------+------------+-----------------------------------+\n4 rows in set (Elapsed: 00:00:00.11)<\/code><\/pre>\n\n\n\n<\/span>\u957f\u5ea6\u5927\u4e8e\u7b49\u4e8e3\u7684\u8fde\u7eed\u6570\u5b57\u548c\u5b57\u6bcd<\/span><\/h4>\n\n\n\ngbase> select * from t1 where contains(memo,'gen');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n+------+-------+------+------------+-----------------------------------+\n1 row in set (Elapsed: 00:00:00.00)\n\ngbase> select * from t1 where contains(memo,'123');\n+------+------+------+------------+---------------------+\n| id | name | dept | birth | memo |\n+------+------+------+------------+---------------------+\n| 5 | Test | 3 | 1895-10-02 | Test12345678abcdefg |\n+------+------+------+------------+---------------------+\n1 row in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<\/span>\u957f\u5ea6\u5c0f\u4e8e3\u7684\u8fde\u7eed\u6570\u5b57\u548c\u5b57\u6bcd<\/span><\/h4>\n\n\n\n\u6ca1\u6709\u67e5\u5230\uff0c\u53c2\u6570\u9ed8\u8ba4\u53ea\u5339\u914d3\u4e2a\u3002\u4ece\u5b9e\u9645\u4e1a\u52a1\u770b\uff0c\u67e5\u8be22\u4e2a\u8fde\u7eed\u6570\u5b57\u6216\u5b57\u6bcd\uff0c\u662f\u4e00\u4e2a\u7f55\u89c1\u9700\u6c42\u3002\u67e5\u8be21\u4e2a\u6570\u5b57\u6216\u5b57\u6bcd\uff0c\u662f\u4e00\u4e2a\u4e0d\u6b63\u5e38\u9700\u6c42\u3002GBase 8a\u652f\u6301\u914d\u7f6e\u5206\u8bcd\u957f\u5ea6\uff0c\u4f46\u4f1a\u5e26\u6765\u66f4\u591a\u7684\u6570\u636e\u81a8\u80c0\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'ge');\nEmpty set (Elapsed: 00:00:00.01)\n\n\ngbase> select * from t1 where contains(memo,'12');\nEmpty set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<\/span>\u533a\u5206\u5927\u5c0f\u5199<\/span><\/h3>\n\n\n\ngbase> select * from t1 where contains(memo,'TianJin');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+-------+------+------------+-----------------------------------+\n4 rows in set (Elapsed: 00:00:00.11)\n\ngbase> select * from t1 where contains(memo,'tianJin');\nEmpty set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>\u5f00\u5934\u6807\u8bb0^\uff0c\u7b49\u540c\u53f3\u767e\u5206\u53f7\u7684like\u67e5\u8be2<\/span><\/h3>\n\n\n\n\u7528^\u8868\u793a\u4ee5\u6b64\u5f00\u5934\uff0c\u7b49\u540c\u4e8elike 'TianJin%'\u7684\u53f3\u767e\u5206\u53f7\u5f62\u5f0f\u3002\u5982\u4e0b\u53ea\u6709TianJin\u5f00\u5934\u7684\u624d\u8fd4\u56de\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'^TianJin');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n+------+-------+------+------------+-----------------------------------+\n2 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>\u7ed3\u5c3e\u6807\u8bb0$\uff0c\u7b49\u540c\u5de6\u767e\u5206\u53f7\u7684like\u67e5\u8be2<\/span><\/h3>\n\n\n\n\u53ea\u6709\u4ee5TianJin\u7ed3\u5c3e\u7684\u624d\u8fd4\u56de\u3002\u7b49\u540c\u4e8ememo like '%TianJin'<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'TianJin$');\n+------+-------+------+------------+---------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+---------------+\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+-------+------+------------+---------------+\n1 row in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>\u65e0\u53cc\u5f15\u53f7\u7684\u7a7a\u683c\u5c5e\u4e8e\u9690\u5f0fAND<\/span><\/h3>\n\n\n\n\u5982\u4e0b\u67e5\u8be2TianJin ltd, \u5982\u679c\u6ca1\u6709\u53cc\u5f15\u53f7\u5305\u56f4\u7b26\uff0c\u5219\u4ee3\u8868AND, \u4e5f\u5c31\u662f\u5305\u542bTianJin \u548c ltd. \u5982\u679c\u7531\u5305\u56f4\u7b26\uff0c\u5219\u6570\u636e\u5fc5\u987b\u662f\u8fde\u7eed\u7684\"TianJin ltd\"\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'TianJin ltd');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n+------+-------+------+------------+-----------------------------------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase> select * from t1 where contains(memo,'\"TianJin ltd\"');\nEmpty set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n\"\u4e0e\"AND\u6807\u8bb0&, \u591a\u4e2alike and<\/h3>\n\n\n\n
AND\u6807\u8bb0\u7528&\u8868\u793a\uff0c\u6bd4\u5982\u5305\u542bTianjin \u548c ltd\u7684\u3002\u591a\u4e2a\u6761\u4ef6\uff0c\u6bcf\u4e2a\u6761\u4ef6\u7528\u53cc\u5f15\u53f7\u5305\u56f4\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'\"TianJin\"&\"ltd\"');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n+------+-------+------+------------+-----------------------------------+\n1 row in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>“\u6216”OR\u6807\u8bb0|\uff0c\u591a\u4e2alike OR<\/span><\/h3>\n\n\n\n\u7528\u7ad6\u7ebf|\u8868\u793a\u6216\u3002\u6bd4\u5982\u5305\u542b\u5f20\u4e09\u6216\u8005TianJin\u7684\uff0c\u7b49\u540c\u4e8e memo like '%\u5f20\u4e09%' or memo like '%TianJin%'<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'\"\u5f20\u4e09\"|\"TianJin\"');\n+------+--------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+--------+------+------------+-----------------------------------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+--------+------+------------+-----------------------------------+\n5 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>\u201d\u975e\u201cNOT\u6807\u8bb0-, not like<\/span><\/h3>\n\n\n\n\u7528\u51cf\u53f7-\uff0c\u8868\u793a\u6392\u9664\u540e\u9762\u7684\u5185\u5bb9\u3002\u6bd4\u5982\u5305\u542b\u201d\u5f20\u4e09\u201c\u6216\u201dTianJin\u201c, \u4f46\u4e0d\u5305\u542b\u201d\u4eba\u201c\u7684\u3002 \u6ce8\u610f\u9ed8\u8ba4\u4f18\u5148\u7ea7 \u6216 > \u975e > \u4e0e<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'\"\u5f20\u4e09\"|\"TianJin\"-\"\u4eba\"');\n+------+-------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+-------+------+------------+-----------------------------------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+-------+------+------------+-----------------------------------+\n4 rows in set (Elapsed: 00:00:00.01)<\/code><\/pre>\n\n\n\n<\/span>\u4f7f\u7528\u5c0f\u62ec\u53f7\u5206\u7ec4\u6765\u6539\u53d8\u5339\u914d\u987a\u5e8f<\/span><\/h3>\n\n\n\n\u5bf9\u7167\u524d\u4f8b\uff0c\u672c\u4f8b\u67e5\u8be2 like '%\u5f20\u4e09%' or \uff08like '%Tianjin%' and not like '%\u4eba')\u3002<\/p>\n\n\n\n
gbase> select * from t1 where contains(memo,'\"\u5f20\u4e09\"|(\"TianJin\"-\"\u4eba\")');\n+------+--------+------+------------+-----------------------------------+\n| id | name | dept | birth | memo |\n+------+--------+------+------------+-----------------------------------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 |\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin |\n+------+--------+------+------------+-----------------------------------+\n5 rows in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<\/span>\u9600\u503c\u5339\u914d\u7b26\u2018\/\u2019<\/span><\/h3>\n\n\n\n\u503c\u4e00\u7ec4\u6761\u4ef6\u5185\uff0c\u6700\u5c11\u6ee1\u8db3\u5339\u914d\u51e0\u4e2a\u3002\u6bd4\u5982\u6761\u4ef6\u201d\u5f20 Tia \u4eba\u201c \u6700\u5c11\u5305\u542b\u5176\u4e2d\u76842\u4e2a\u5373\u53ef\uff0c\u5219\u5199\u6210\"\u5f20 Tia \u4eba\"\/2\u3002<\/p>\n\n\n\n
\u8bf7\u4e00\u5b9a\u8981\u6ce8\u610f\u5206\u8bcd\u95ee\u9898\uff0c\u7279\u522b\u662f\u82f1\u6587\u548c\u5b57\u6bcd\u3002\u6bcf\u4e2a\u6c49\u5b57\uff0c\u6bcf\u4e2a\u9ed8\u8ba4\u7684\u4e09\u5143\u5206\u8bcd\u90fd\u4f1a\u547d\u4e2d\u5f97\u5206\u3002\u6240\u4ee5\u672c\u4f8b\u91c7\u7528\u7684\u662f\u5355\u4e2a\u6c49\u5b57\u548c3\u4e2a\u5b57\u6bcd\u7684\u6837\u4f8b\u3002<\/p>\n\n\n\n
\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'\"\u5f20 Tia \u4eba\"\/2',1);\n+------+--------+------+------------+--------------------------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+--------+------+------------+--------------------------------+----------+\n| 1 | \u5f20\u4e09 | 1 | 1990-09-09 | \u5f20\u4e09\u7684\u4e2a\u4eba\u5efa\u7acb\u548c\u5907\u6ce8 | 1610 |\n+------+--------+------+------------+--------------------------------+----------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'\"\u5f20 Tia \u4eba\"\/3',1);\nEmpty set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<\/span>\u5982\u4e0b\u662f\u591a\u4e2a\u5b57\u6bcd\u7684\u6837\u4f8b\uff0c\u7c97\u770b\u4f1a\u89c9\u5f97\u7ed3\u679c\u4e0d\u6b63\u786e\u7684\u3002<\/span><\/h4>\n\n\n\n\u4e4b\u6240\u4ee5\u8fd4\u56de\uff0c\u662f\u56e0\u4e3aTianJin\u6309\u7167\u9ed8\u8ba4\u7684\u4e09\u5143\u5206\u8bcd\u89c4\u5219\uff0c Tia ian anJ \u3002\u3002\u3002\u3002 \u90fd\u80fd\u5339\u914d\u7684\u3002\u8fd9\u5c31\u548c\u6211\u4eec\u671f\u671b\u7684TianJin\u6574\u4f53\u5339\u914d\u4e0d\u7b26\u548c\uff0c\u4f46\u65e2\u7136\u8bbe\u7f6e\u4e86\u4e09\u5143\u5206\u8bcd\uff0c\u800c\u4e0d\u662f\u201d\u81ea\u7136\u5206\u8bcd\u201c\uff0c \u8fd9\u4e2a\u7ed3\u679c\u4e5f\u5f97\u63a5\u53d7\u3002<\/p>\n\n\n\n
gbase> select t1.*,score(1) from t1 where contains(memo,'\"\u5f20 TianJin \u4eba\"\/3',1);\n+------+-------+------+------------+-----------------------------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+-----------------------------------+----------+\n| 3 | GBase | 2 | 2004-05-11 | TianJin general date compamy ltd. | 5500 |\n| 4 | TJU | 3 | 1895-10-02 | TianJin University | 5500 |\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. | 5500 |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 5500 |\n+------+-------+------+------------+-----------------------------------+----------+\n4 rows in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<\/span>near\u51fd\u6570<\/span><\/h2>\n\n\n\n\u672c\u8eab\u5c5e\u4e8econtains\u7684\u4e00\u90e8\u5206\uff0c\u4f46\u5185\u5bb9\u8f83\u4e3a\u72ec\u7acb\uff0c\u6240\u4ee5\u5355\u5f00\u4e00\u4e2a\u6807\u9898\u3002<\/p>\n\n\n\n
<\/span>\u8bed\u6cd5<\/span><\/h3>\n\n\n\nNEAR ((term1, term2), num[\uff0cOrder])<\/code><\/pre>\n\n\n\n\u8bf7\u6ce8\u610fnear\u7684term\u90e8\u5206\uff0c\u5916\u9762\u6709\u4e00\u5c42\u5c0f\u62ec\u53f7\u3002<\/p>\n\n\n\n
<\/span>\u8bf4\u660e<\/span><\/h3>\n\n\n\n- term \uff1a \u641c\u7d22\u8bcd\u3002\u591a\u4e2a\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u5272\u3002\u8bcd\u4e4b\u95f4\u662fAND\u5173\u7cfb\u3002\u4e14\u6bcf\u4e2a\u641c\u7d22\u8bcd\u5fc5\u987b\u7cbe\u786e\u6ee1\u8db3\u3002<\/li>
- num : \u8868\u793a\u8bcd\u8ddd\u6570\uff0c\u975e 0 \u6574\u6570\uff0c\u8bcd\u8ddd\uff08\u5305\u62ec\u5339\u914d\u8bcd\uff09\uff0c\u5b9e\u9645\u8bcd\u8ddd\u5c0f\u4e8e num \u503c\u5373\u4e3a\u7b26\u53f7\u8981\u6c42\u3002<\/li>
- order : \u8868\u793a\u8bcd\u5e8f\u3002Order \u4e3a\u53ef\u9009\u9879\uff0c\u9ed8\u8ba4\u503c\u4e3a 0\uff0c\u8868\u793a\u65e0\u8bcd\u5e8f\u3002
- \u4e3a 0 \u4ee3\u8868\u65e0\u8bcd\u5e8f<\/li>
- \u4e3a 1 \u4ee3\u8868\u6709\u8bcd\u5e8f\u3002<\/li><\/ul><\/li><\/ul>\n\n\n\n
<\/span>\u8bcd\u8ddd<\/span><\/h4>\n\n\n\n\u6307\u4e8c\u4e2a\u8bcd\u4e4b\u95f4\u95f4\u9694\u5355\u8bcd\u6570\uff0c\u4e5f\u5305\u542b\u88ab\u67e5\u8be2\u7684\u9996\u5c3e\u8bcd\u3002\u4f8b\u5982\uff1a\u201cthe black cat catch white mouse\u201d\u8fd9\u6bb5\u6587\u5b57\u4e2d\u8981\u67e5\u8be2\u201ccat mouse\u201d\uff0c\u5219\u8bcd\u8ddd\u5c31\u662f 4\u3002\u5bf9\u4e8e\u4e2d\u6587\u6765\u8bf4\uff0c\u5219\u8bcd\u8ddd\u4e3a\u4e24\u4e2a\u6c49\u5b57\u4e4b\u95f4\u95f4\u9694\u7684\u5b57\u7b26\u6570\uff08\u5b57\u7b26\u5305\u542b\u6c49\u5b57\u3001\u6807\u70b9\u3001\u7a7a\u683c\u3001\u7b26\u53f7\u7b49\u7b49\uff0c\u56de\u8f66\u7b26\u7565\u53bb\u4e0d\u7b97\uff09\u3002<\/p>\n\n\n\n
\u4f8b\u5982\u201c\u4e0a\u5468\uff0c\u6211\u53bb\u6d77\u6d0b\u5c40\u5f00\u4f1a\u2026\u201d\u8fd9\u6bb5\u6587\u5b57\u8981\u67e5\u8be2\u201c\u4e0a \u6d77\u201d\uff0c\u5219\u8bcd\u8ddd\u4e3a 6\u3002\u5206\u6790\u5982\u4e0b\uff1a\u4e0a(1)\u5468(2)\uff0c(3)\u6211(4)\u53bb(5)\u6d77(6)\u6d0b(7)\u3002\u540e\u9762\u662f\u4f4d\u7f6e\u987a\u5e8f\u3002 \u5176\u4e2d\u201c\u6d77\u201d\u662f6\uff0c \u201c\u4e0a\u201d\u662f1\uff0c \u8ddd\u79bb\u662f\uff086-1\uff09+1 = 6\uff1b<\/p>\n\n\n\n
\u4f8b\u5982\u67e5\u8be2\u201c\u552e\u5356\u5236\u4f5c\u5047\u6587*#\u51ed\u3001\u53d1\u7968\u201d\u7684\u5783\u573e\u77ed\u4fe1\u4e2d\u201c\u6587\u51ed\u201d\uff0c\u5219\u8bcd\u8ddd\u4e3a 4\u3002\u5206\u6790\u5982\u4e0b\uff1a\u552e(1)\u5356(2)\u5236(3)\u4f5c(4)\u5047(5)\u6587(6)*(7)#(8)\u51ed(9). \u75289-6+1=4\uff1b<\/p>\n\n\n\n
<\/span>\u6837\u4f8b<\/span><\/h3>\n\n\n\n\u5982\u4e0b\u4ee5\u4e09\u4e2a\u5b57\u6bcd\u4e3a\u4f8b\uff0c\u56e0\u4e3a\u591a\u4e2a\u5b57\u6bcd\u53c8\u6d89\u53ca\u5230\u5206\u8bcd\u95ee\u9898\uff0c\u770b\u7740\u6df7\u4e71\u3002\u5bf9\u4e8e\u201cChina TianJin\u201d\uff0cChi\u548cTia\u4e4b\u95f4\u7684\u8ddd\u79bb\u662f4(na\u548c\u7a7a\u683c\u4e09\u4e2a\u5b57\u7b26+1)\u3002 \u800c\u5bf9\u201cTianJin China\u201d \u5219\u662f6\uff08nJin\u548c\u7a7a\u683c+1)\u3002<\/p>\n\n\n\n
gbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),3)',1);\nEmpty set (Elapsed: 00:00:00.01)\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),4)',1);\n+------+-------+------+------------+---------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+---------------+----------+\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 1560 |\n+------+-------+------+------------+---------------+----------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),5)',1);\n+------+-------+------+------------+---------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+---------------+----------+\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 1560 |\n+------+-------+------+------------+---------------+----------+\n1 row in set (Elapsed: 00:00:00.01)\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),6)',1);\n+------+-------+------+------------+----------------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+----------------------+----------+\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. | 1560 |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 1560 |\n+------+-------+------+------------+----------------------+----------+\n2 rows in set (Elapsed: 00:00:00.02)\n<\/code><\/pre>\n\n\n\n<\/span>\u987a\u5e8forder\u53c2\u6570\u6548\u679c<\/span><\/h4>\n\n\n\n\u4f46\u6709\u987a\u5e8f\u65f6\uff0cChina TianJin\u5c31\u6ee1\u8db3\uff0c\u800cTianJin China\u5c31\u4e0d\u6ee1\u8db3\u4e86\u3002<\/p>\n\n\n\n
gbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),6,0)',1);\n+------+-------+------+------------+----------------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+----------------------+----------+\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. | 1560 |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 1560 |\n+------+-------+------+------------+----------------------+----------+\n2 rows in set (Elapsed: 00:00:00.01)\n\ngbase> select t1.*,score(1) from t1 where contains(memo,'near((\u201cChi,Tia\u201d),6,1)',1);\n+------+-------+------+------------+---------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+---------------+----------+\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 1560 |\n+------+-------+------+------------+---------------+----------+\n1 row in set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<\/span>SCORE\u51fd\u6570<\/span><\/h2>\n\n\n\n<\/span>\u8bed\u6cd5<\/span><\/h3>\n\n\n\nINT SCORE(N)<\/code><\/pre>\n\n\n\n<\/span>\u8bf4\u660e<\/span><\/h3>\n\n\n\nN \u6307\u5728Contains\u91cc\u7684score_flag\u53c2\u6570\u3002<\/p>\n\n\n\n
\u8be5\u51fd\u6570\u529f\u80fd\u4e3a\u5168\u6587\u7d22\u5f15\u5bf9\u5173\u952e\u5b57\u7684\u5339\u914d\u7a0b\u5ea6\u6240\u8ba1\u7b97\u7684\u5206\u6570\uff0c\u8fd4\u56de\u7684\u503c\u662f\u5168\u6587\u67e5\u8be2\u51fd\u6570 CONTAINS \u67e5\u8be2\u7ed3\u679c\u7684\u6743\u91cd\u503c\uff0c\u503c\u7684\u5927\u5c0f\u8ddf\u5168\u6587\u7d22\u5f15\u8bc4\u4f30\u7b97\u6cd5\u6709\u5173\uff0c\u6743\u91cd\u503c\u8d8a\u9ad8\u5219\u5339\u914d\u5ea6\u8d8a\u9ad8\u3002GBase 8a MPP Cluster \u5168\u6587\u7d22\u5f15\u7684\u8bc4\u4f30\u6a21\u5f0f\u9ed8\u8ba4\u662f BM25\u7b97\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u6269\u5c55\u9009\u9879\"rank=tf\"\u8bbe\u7f6e\u91c7\u7528\u8bcd\u9891\u8bc4\u4f30\u7b97\u6cd5\u3002<\/p>\n\n\n\n
<\/span>\u6837\u4f8b<\/span><\/h3>\n\n\n\n\u5982\u4e0b\u540c\u6837\u7684China,TianJin, \u4f46\u90a3\u4e2ascore\u9ad8\u7684\u6bd4\u4f4e\u7684\u66f4\u7b26\u5408\u8981\u6c42\u4e9b\u3002<\/p>\n\n\n\n
gbase> select t1.*,score(1) from t1 where contains(memo,'near((\"China,TianJin\"),15)',1);\n+------+-------+------+------------+----------------------+----------+\n| id | name | dept | birth | memo | score(1) |\n+------+-------+------+------------+----------------------+----------+\n| 6 | Test2 | 4 | 2021-07-01 | GBase TianJin China. | 1545 |\n| 7 | Test3 | 4 | 2021-07-01 | China TianJin | 2545 |\n+------+-------+------+------------+----------------------+----------+\n2 rows in set (Elapsed: 00:00:00.01)\n<\/code><\/pre>\n\n\n\n<\/p>","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u4ecb\u7ecdGBase 8a MPP\u96c6\u7fa4\u5168\u6587\u68c0\u7d22\u7684\u8be6\u7ec6\u6837\u4f8b\uff0c\u7528\u6765\u63d0\u9ad8\u6a21\u7cca\u67e5\u8be2\u7684\u6027\u80fd\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-6863","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\/6863","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=6863"}],"version-history":[{"count":73,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6863\/revisions"}],"predecessor-version":[{"id":7064,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6863\/revisions\/7064"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=6863"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=6863"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=6863"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}