{"id":6479,"date":"2021-06-21T14:43:03","date_gmt":"2021-06-21T06:43:03","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=6479"},"modified":"2021-06-21T14:49:25","modified_gmt":"2021-06-21T06:49:25","slug":"gbase-8a%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%9b%bf%e6%8d%a2%e5%87%bd%e6%95%b0replace%e3%80%81insert%e3%80%81regexp_replace%e4%bd%bf%e7%94%a8%e6%a0%b7%e4%be%8b","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/6479","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u5b57\u7b26\u4e32\u66ff\u6362\u51fd\u6570replace\u3001insert\u3001regexp_replace\u4f7f\u7528\u6837\u4f8b"},"content":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecd\u51e0\u4e2aGBase 8a\u6570\u636e\u5e93\u91cc\uff0c\u7528\u4e8e\u5b57\u7b26\u4e32\u66ff\u6362\u7684\u51e0\u4e2a\u51fd\u6570\u7528\u6cd5\u548c\u4f7f\u7528\u6837\u4f8b\u3002<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2ab63934d66\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2ab63934d66\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%8F%82%E8%80%83\" >\u53c2\u8003<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#replacestrfrom_strto_str\" >replace(str,from_str,to_str)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%8F%82%E6%95%B0\" >\u53c2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E8%AF%B4%E6%98%8E\" >\u8bf4\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E6%A0%B7%E4%BE%8B\" >\u6837\u4f8b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E6%9B%BF%E6%8D%A2%E5%A4%9A%E6%AC%A1\" >\u66ff\u6362\u591a\u6b21<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%8F%82%E6%95%B0%E4%B8%BANULl%E5%88%99%E8%BF%94%E5%9B%9ENULL\" >\u53c2\u6570\u4e3aNULl\u5219\u8fd4\u56deNULL<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#insertstrposlennewstr\" >insert(str,pos,len,newstr)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%8F%82%E6%95%B0-2\" >\u53c2\u6570<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E8%AF%B4%E6%98%8E-2\" >\u8bf4\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E6%A0%B7%E4%BE%8B-2\" >\u6837\u4f8b<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E6%B5%8B%E8%AF%95%E4%B8%8D%E5%90%8C%E7%9A%84pos%E8%B5%B7%E5%A7%8B%E4%BD%8D%E7%BD%AE\" >\u6d4b\u8bd5\u4e0d\u540c\u7684pos\u8d77\u59cb\u4f4d\u7f6e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%BD%93pos%E5%92%8C%E9%95%BF%E5%BA%A6%E4%B8%8D%E8%B6%B3%E6%97%B6\" >\u5f53pos\u548c\u957f\u5ea6\u4e0d\u8db3\u65f6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E5%BD%93posleng%E8%B6%85%E8%BF%87%E6%9C%80%E5%A4%A7%E9%95%BF%E5%BA%A6%E6%97%B6\" >\u5f53pos+leng\u8d85\u8fc7\u6700\u5927\u957f\u5ea6\u65f6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E6%B5%8B%E8%AF%95%E4%B8%8D%E5%90%8Clen%E9%95%BF%E5%BA%A6\" >\u6d4b\u8bd5\u4e0d\u540clen\u957f\u5ea6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E9%95%BF%E5%BA%A6%E8%B6%85%E8%BF%87%E6%9C%AB%E5%B0%BE%E6%97%B6\" >\u957f\u5ea6\u8d85\u8fc7\u672b\u5c3e\u65f6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#%E4%BB%BB%E4%BD%95%E5%8F%82%E6%95%B0%E4%B8%BANULL\" >\u4efb\u4f55\u53c2\u6570\u4e3aNULL<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.gbase8.cn\/en\/6479\/#regexp_replace\" >regexp_replace<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E8%80%83\"><\/span>\u53c2\u8003<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/www.gbase8.cn\/en\/2672\/\">GBase 8a\u5b57\u7b26\u4e32\u548c\u65e5\u671f\u51fd\u6570\u5217\u8868\u7d22\u5f15<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"replacestrfrom_strto_str\"><\/span>replace(str,from_str,to_str)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E6%95%B0\"><\/span>\u53c2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>str : \u539f\u59cb\u5b57\u7b26\u4e32<\/li><li>from_str : \u88ab\u66ff\u6362\u7684\u5b57\u7b26\u4e32<\/li><li>to_str \uff1a \u5c06from_str\u66ff\u6362\u6210\u8fd9\u4e2a\u5b57\u7b26\u4e32\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u662f\u5c06 str \u4e2d\u6240\u6709\u51fa\u73b0\u7684 from_str \u66ff\u6362\u4e3a to_str \u540e\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%B7%E4%BE%8B\"><\/span>\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select replace('1234567890','234','ABCD');\r\n+------------------------------------+\r\n| replace('1234567890','234','ABCD') |\r\n+------------------------------------+\r\n| 1ABCD567890                        |\r\n+------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9B%BF%E6%8D%A2%E5%A4%9A%E6%AC%A1\"><\/span>\u66ff\u6362\u591a\u6b21<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u5219\u90fd\u66ff\u6362\u4e86<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select replace('12345678901234567890','234','ABCD');\r\n+----------------------------------------------+\r\n| replace('12345678901234567890','234','ABCD') |\r\n+----------------------------------------------+\r\n| 1ABCD5678901ABCD567890                       |\r\n+----------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E6%95%B0%E4%B8%BANULl%E5%88%99%E8%BF%94%E5%9B%9ENULL\"><\/span>\u53c2\u6570\u4e3aNULl\u5219\u8fd4\u56deNULL<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select replace('12345678901234567890','234',null);\r\n+--------------------------------------------+\r\n| replace('12345678901234567890','234',null) |\r\n+--------------------------------------------+\r\n| NULL                                       |\r\n+--------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select replace('12345678901234567890',null,'ABCD');\r\n+---------------------------------------------+\r\n| replace('12345678901234567890',null,'ABCD') |\r\n+---------------------------------------------+\r\n| NULL                                        |\r\n+---------------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"insertstrposlennewstr\"><\/span>insert(str,pos,len,newstr)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%8F%82%E6%95%B0-2\"><\/span>\u53c2\u6570<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ul class=\"wp-block-list\" id=\"block-453afbf8-a7aa-42bc-ba05-2cd89c47a870\"><li>str: \u539f\u59cb\u5b57\u7b26\u4e32<\/li><li>pos : \u8d77\u59cb\u4f4d\u7f6e\uff0c\u4ece1\u5f00\u59cb\u3002\u4e3a0\u65f6\u529f\u80fd\u65e0\u6548\u3002\u8d85\u8fc7\u6700\u5927\u957f\u5ea6\u65f6\uff0c\u65e0\u6548\uff0c\u8fd4\u56de\u539f\u59cb\u5b57\u7b26\u4e32\u3002<\/li><li>len : \u66ff\u6362\u51e0\u4e2a\u5b57\u7b26\uff0c\u53ef\u4ee5\u662f0\u3002\u957f\u5ea6\u8d85\u8fc7\u672b\u5c3e\u65f6\uff0c\u53ea\u66ff\u6362\u5230\u672b\u5c3e\u3002<\/li><li>newstr : \u66ff\u6362\u6210\u8fd9\u4e2a\u5b57\u7b26\u4e32<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%AF%B4%E6%98%8E-2\"><\/span>\u8bf4\u660e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u5728\u5b57\u7b26\u4e32str\u4e2d\uff0c\u4ecepos\u4f4d\u7f6e\u5f00\u59cb\uff0c\u9009\u53d6len\u4e2a\u5b57\u7b26\u957f\u5ea6\u7684\u5b50\u4e32\u66ff\u6362\u4e3a\u5b57\u7b26\u4e32newstr\u3002\u5982\u679c pos \u503c\u4e0d\u5728\u957f\u5ea6\u8303\u56f4\u4e4b\u5185\uff0c\u5219\u8fd4\u56de\u539f\u6765\u7684\u5b57\u7b26\u4e32\uff1b\u5982\u679c len \u503c\u4e0d\u5728\u5b57\u7b26\u4e32\u5269\u4f59\u957f\u5ea6\u8303\u56f4\u4e4b\u5185\uff0c\u5219\u66ff\u6362\u4ece pos \u4f4d\u7f6e\u5f00\u59cb\u7684\u5176\u4f59\u5b57\u7b26\u4e32\uff1b\u4efb\u4f55\u4e00\u4e2a\u53c2\u6570\u662f NULL\uff0c\u5219\u8fd4\u56de NULL\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A0%B7%E4%BE%8B-2\"><\/span>\u6837\u4f8b<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E4%B8%8D%E5%90%8C%E7%9A%84pos%E8%B5%B7%E5%A7%8B%E4%BD%8D%E7%BD%AE\"><\/span>\u6d4b\u8bd5\u4e0d\u540c\u7684pos\u8d77\u59cb\u4f4d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u53ef\u4ee5\u770b\u5230\u5f53pos\u4e3a0\u65f6\uff0c\u6ca1\u6709\u505a\u4efb\u4f55\u66ff\u6362\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',0,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',0,3,'ABC') |\r\n+--------------------------------+\r\n| 1234567890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.01)\r\n\r\ngbase> select insert('1234567890',1,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',1,3,'ABC') |\r\n+--------------------------------+\r\n| ABC4567890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.01)\r\n\r\ngbase> select insert('1234567890',2,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,3,'ABC') |\r\n+--------------------------------+\r\n| 1ABC567890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',3,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',3,3,'ABC') |\r\n+--------------------------------+\r\n| 12ABC67890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.01)\r\n\r\ngbase> select insert('1234567890',4,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',4,3,'ABC') |\r\n+--------------------------------+\r\n| 123ABC7890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BD%93pos%E5%92%8C%E9%95%BF%E5%BA%A6%E4%B8%8D%E8%B6%B3%E6%97%B6\"><\/span>\u5f53pos\u548c\u957f\u5ea6\u4e0d\u8db3\u65f6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u5b57\u7b26\u4e32\u957f\u5ea610\uff0c\u5f53\u6700\u9ad8\u672b\u5c3e\u662f11\uff0c\u7b49\u4e8e\u5728\u672b\u5c3e\u8ffd\u52a0\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',9,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',9,3,'ABC') |\r\n+--------------------------------+\r\n| 12345678ABC                    |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',10,3,'ABC');\r\n+---------------------------------+\r\n| insert('1234567890',10,3,'ABC') |\r\n+---------------------------------+\r\n| 123456789ABC                    |\r\n+---------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',11,3,'ABC');\r\n+---------------------------------+\r\n| insert('1234567890',11,3,'ABC') |\r\n+---------------------------------+\r\n| 1234567890ABC                   |\r\n+---------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%BD%93posleng%E8%B6%85%E8%BF%87%E6%9C%80%E5%A4%A7%E9%95%BF%E5%BA%A6%E6%97%B6\"><\/span>\u5f53pos+leng\u8d85\u8fc7\u6700\u5927\u957f\u5ea6\u65f6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u4e0d\u505a\u66ff\u6362\uff0c\u8fd4\u56de\u539f\u59cb\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',12,3,'ABC');\r\n+---------------------------------+\r\n| insert('1234567890',12,3,'ABC') |\r\n+---------------------------------+\r\n| 1234567890                      |\r\n+---------------------------------+\r\n1 row in set (Elapsed: 00:00:00.01)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%B5%8B%E8%AF%95%E4%B8%8D%E5%90%8Clen%E9%95%BF%E5%BA%A6\"><\/span>\u6d4b\u8bd5\u4e0d\u540clen\u957f\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u957f\u5ea6\u4ece0\u5f00\u59cb\uff0c\u4e5f\u5c31\u662f\u66ff\u6362\u51e0\u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',2,0,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,0,'ABC') |\r\n+--------------------------------+\r\n| 1ABC234567890                  |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,1,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,1,'ABC') |\r\n+--------------------------------+\r\n| 1ABC34567890                   |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,2,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,2,'ABC') |\r\n+--------------------------------+\r\n| 1ABC4567890                    |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,3,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,3,'ABC') |\r\n+--------------------------------+\r\n| 1ABC567890                     |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,4,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,4,'ABC') |\r\n+--------------------------------+\r\n| 1ABC67890                      |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%95%BF%E5%BA%A6%E8%B6%85%E8%BF%87%E6%9C%AB%E5%B0%BE%E6%97%B6\"><\/span>\u957f\u5ea6\u8d85\u8fc7\u672b\u5c3e\u65f6<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u53ea\u66ff\u6362\u5230\u672b\u5c3e\uff0c\u8d85\u8fc7\u90e8\u5206\u65e0\u6548\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',2,8,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,8,'ABC') |\r\n+--------------------------------+\r\n| 1ABC0                          |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,9,'ABC');\r\n+--------------------------------+\r\n| insert('1234567890',2,9,'ABC') |\r\n+--------------------------------+\r\n| 1ABC                           |\r\n+--------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,10,'ABC');\r\n+---------------------------------+\r\n| insert('1234567890',2,10,'ABC') |\r\n+---------------------------------+\r\n| 1ABC                            |\r\n+---------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,100,'ABC');\r\n+----------------------------------+\r\n| insert('1234567890',2,100,'ABC') |\r\n+----------------------------------+\r\n| 1ABC                             |\r\n+----------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%BB%BB%E4%BD%95%E5%8F%82%E6%95%B0%E4%B8%BANULL\"><\/span>\u4efb\u4f55\u53c2\u6570\u4e3aNULL<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u4efb\u4f55\u53c2\u6570\u4e3aNULL,\u8fd4\u56de\u90fd\u662fNULL. \u4e0b\u9762\u4f8b\u5b50\uff0c\u539f\u59cb\u5b57\u7b26\u4e32\u4e3aNULL\u5c31\u4e0d\u8d34\u4e86\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase> select insert('1234567890',null,100,'ABC');\r\n+-------------------------------------+\r\n| insert('1234567890',null,100,'ABC') |\r\n+-------------------------------------+\r\n| NULL                                |\r\n+-------------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,null,'ABC');\r\n+-----------------------------------+\r\n| insert('1234567890',2,null,'ABC') |\r\n+-----------------------------------+\r\n| NULL                              |\r\n+-----------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n\r\ngbase> select insert('1234567890',2,100,null);\r\n+---------------------------------+\r\n| insert('1234567890',2,100,null) |\r\n+---------------------------------+\r\n| NULL                            |\r\n+---------------------------------+\r\n1 row in set (Elapsed: 00:00:00.00)\r\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"regexp_replace\"><\/span><a href=\"https:\/\/www.gbase8.cn\/en\/3376\/\">regexp_replace<\/a><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8bf7\u70b9\u51fb\u6807\u9898\u8fde\u63a5\u7684\u53e6\u5916\u4e00\u4e2a\u5e16\u5b50<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5357\u5927\u901a\u7528GBase 8a\u5b57\u7b26\u4e32\u66ff\u6362\u51fd\u6570replace\u3001insert\u3001regexp_replace\u4f7f\u7528\u6837\u4f8b<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[36],"class_list":["post-6479","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-36"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6479","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=6479"}],"version-history":[{"count":18,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6479\/revisions"}],"predecessor-version":[{"id":6497,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/6479\/revisions\/6497"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=6479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=6479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=6479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}