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MySQL 列类型 "TIMESTAMP"隐式包含 "NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"

我刚刚花了几个小时来追踪这个错误。给定以下SQL:DROPDATABASEIFEXISTSdb;CREATEDATABASEdb;CREATETABLEdb.tbl(t1TIMESTAMP)ENGINE=INNODB;SHOWCREATETABLEdb.tbl;最后一行告诉我:'CREATETABLE`tbl`(`t1`timestampNOTNULLDEFAULTCURRENT_TIMESTAMPONUPDATECURRENT_TIMESTAMP)ENGINE=InnoDBDEFAULTCHARSET=latin1'NOTNULLDEFAULTCURRENT_TIMESTAMPONU

MySQL 列类型 "TIMESTAMP"隐式包含 "NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP"

我刚刚花了几个小时来追踪这个错误。给定以下SQL:DROPDATABASEIFEXISTSdb;CREATEDATABASEdb;CREATETABLEdb.tbl(t1TIMESTAMP)ENGINE=INNODB;SHOWCREATETABLEdb.tbl;最后一行告诉我:'CREATETABLE`tbl`(`t1`timestampNOTNULLDEFAULTCURRENT_TIMESTAMPONUPDATECURRENT_TIMESTAMP)ENGINE=InnoDBDEFAULTCHARSET=latin1'NOTNULLDEFAULTCURRENT_TIMESTAMPONU

php - fatal error : Cannot use object of type stdClass as array in

我收到了错误:"Fatalerror:CannotuseobjectoftypestdClassasarrayin"online183从此代码:$getvidids=$ci->db->query("SELECT*FROMvideogroupids"."WHEREvideogroupid='$videogroup'ANDused='0'LIMIT10");foreach($getvidids->result()as$row){$vidid=$row['videoid'];//Thisisline183}有人知道上面的代码有什么问题吗?或者这个错误是什么意思?

php - fatal error : Cannot use object of type stdClass as array in

我收到了错误:"Fatalerror:CannotuseobjectoftypestdClassasarrayin"online183从此代码:$getvidids=$ci->db->query("SELECT*FROMvideogroupids"."WHEREvideogroupid='$videogroup'ANDused='0'LIMIT10");foreach($getvidids->result()as$row){$vidid=$row['videoid'];//Thisisline183}有人知道上面的代码有什么问题吗?或者这个错误是什么意思?

mysql - DELETE FROM `table` AS `alias` ... WHERE `alias` .`column` ... 为什么语法错误?

我用MySQL试过这个:DELETEFROM`contact_hostcommands_relation`AS`ContactHostCommand`WHERE(`ContactHostCommand`.`chr_id`=999999)LIMIT1我明白了:#1064-YouhaveanerrorinyourSQLsyntax;checkthemanualthatcorrespondstoyourMySQLserverversionfortherightsyntaxtousenear'WHERE(`ContactHostCommand`.`chr_id`=999999)LIMIT1'a

mysql - DELETE FROM `table` AS `alias` ... WHERE `alias` .`column` ... 为什么语法错误?

我用MySQL试过这个:DELETEFROM`contact_hostcommands_relation`AS`ContactHostCommand`WHERE(`ContactHostCommand`.`chr_id`=999999)LIMIT1我明白了:#1064-YouhaveanerrorinyourSQLsyntax;checkthemanualthatcorrespondstoyourMySQLserverversionfortherightsyntaxtousenear'WHERE(`ContactHostCommand`.`chr_id`=999999)LIMIT1'a

安卓 N : How to launch activity in current active window instead of second window when click on notification in split-screen?

在AndroidN中使用分屏时我想在用户点击通知时在当前Activity窗口中启动activity,但AndroidN总是如果通过单击通知启动,则在第二个窗口中启动activity。NotificationCompat.BuildermBuilder=newNotificationCompat.Builder(this).setSmallIcon(R.drawable.notification).setAutoCancel(false).setContentTitle("DemoTitle").setContentText("Demo");Intentintent=newIntent(

安卓 N : How to launch activity in current active window instead of second window when click on notification in split-screen?

在AndroidN中使用分屏时我想在用户点击通知时在当前Activity窗口中启动activity,但AndroidN总是如果通过单击通知启动,则在第二个窗口中启动activity。NotificationCompat.BuildermBuilder=newNotificationCompat.Builder(this).setSmallIcon(R.drawable.notification).setAutoCancel(false).setContentTitle("DemoTitle").setContentText("Demo");Intentintent=newIntent(

java - android studio 与 Java 编译器错误 : string too large to encode using UTF-8 written instead as 'STRING_TOO_LARGE'

当我在androidstudio中清理android项目时,发生了错误,我已经返回到以前的提交或不同的分支,这几天前可以找到,但现在有这个错误。我已经检查了这个问题,并且没有为我的项目添加大图像或字符串。STRING_TOO_LARGEStringinKothlin 最佳答案 我也遇到过同样的问题,并由clearthebuildcache修复. 关于java-androidstudio与Java编译器错误:stringtoolargetoencodeusingUTF-8writtenin

java - android studio 与 Java 编译器错误 : string too large to encode using UTF-8 written instead as 'STRING_TOO_LARGE'

当我在androidstudio中清理android项目时,发生了错误,我已经返回到以前的提交或不同的分支,这几天前可以找到,但现在有这个错误。我已经检查了这个问题,并且没有为我的项目添加大图像或字符串。STRING_TOO_LARGEStringinKothlin 最佳答案 我也遇到过同样的问题,并由clearthebuildcache修复. 关于java-androidstudio与Java编译器错误:stringtoolargetoencodeusingUTF-8writtenin