我正在使用go-gorm从PostgreSQL数据库中获取值。相关代码如下所示:typeChipstruct{UUIDstring`db:uuid`URLstring`db:url`Nint`db:n`Pack_IDint`db:pack_id`}funcgetChip(uuidstring)(Chip,error){varcChiperr:=DB.Model(Chip{}).Where("uuid=?",uuid).First(&c)returnc,err.Error}当我将UUID字符串传递给getChip时，返回了正确的行并且所有值都是正确的除了c.Pack_ID，它始终为0。顺
我正在使用go-gorm从PostgreSQL数据库中获取值。相关代码如下所示:typeChipstruct{UUIDstring`db:uuid`URLstring`db:url`Nint`db:n`Pack_IDint`db:pack_id`}funcgetChip(uuidstring)(Chip,error){varcChiperr:=DB.Model(Chip{}).Where("uuid=?",uuid).First(&c)returnc,err.Error}当我将UUID字符串传递给getChip时，返回了正确的行并且所有值都是正确的除了c.Pack_ID，它始终为0。顺
当我尝试将我的goLangGORM服务连接到DockerPostgress容器时遇到连接问题。我认为问题出在连接字符串底部的golang代码上。docker-composeupRecreatingpostgress_postgre_1...doneAttachingtopostgrespostgres|2018-12-1121:08:48.283UTC[1]LOG:listeningonIPv4address"0.0.0.0",port5432postgres|2018-12-1121:08:48.283UTC[1]LOG:listeningonIPv6address"::",port
当我尝试将我的goLangGORM服务连接到DockerPostgress容器时遇到连接问题。我认为问题出在连接字符串底部的golang代码上。docker-composeupRecreatingpostgress_postgre_1...doneAttachingtopostgrespostgres|2018-12-1121:08:48.283UTC[1]LOG:listeningonIPv4address"0.0.0.0",port5432postgres|2018-12-1121:08:48.283UTC[1]LOG:listeningonIPv6address"::",port
我正在尝试使用COALESCE来处理Go中的sql注入(inject)。query:=`SELECTmc.company_name_full,msc.company_id,msc.cdate,%sFROM%sASmcINNERJOIN%sASmscON(mc.id=msc.company_id)WHERE%sANDmsc.company_id=COALESCE($1,msc.company_id)ANDmc.company_name_full~*COALESCE($2,mc.company_name_full)ANDmsc.cdate>='2017-07-01'ANDmsc.cdate
我正在尝试使用COALESCE来处理Go中的sql注入(inject)。query:=`SELECTmc.company_name_full,msc.company_id,msc.cdate,%sFROM%sASmcINNERJOIN%sASmscON(mc.id=msc.company_id)WHERE%sANDmsc.company_id=COALESCE($1,msc.company_id)ANDmc.company_name_full~*COALESCE($2,mc.company_name_full)ANDmsc.cdate>='2017-07-01'ANDmsc.cdate
添加用户useraddpostgrespasswdpostgresmkdir-p/app/postgresql/{data,log}chown-Rpostgres:postgres/app/postgresql安装依赖包yum-yinstallncurses-develreadline-develzlibzlib-develperl-ExtUtils-Embed安装./Anaconda3-2021.11-Linux-x86_64.sh配置环境变量su-postgresexportMYSQL_HOME=/app/mysqlexportANACONDA_HOME=/app/anaconda3exp
varSelectUser,_=Database.Prepare("SELECT$1FROMusersWHEREid=$2LIMIT1;")varnamestringSelectUser.QueryRow("name",1).Scan(&name)如果我这样做，我会得到一个错误:runtimeerror:invalidmemoryaddressornilpointerdereference但是如果column不是可变的，就没问题。varSelectUser,_=Database.Prepare("SELECTnameFROMusersWHEREid=$1LIMIT1;")varname
varSelectUser,_=Database.Prepare("SELECT$1FROMusersWHEREid=$2LIMIT1;")varnamestringSelectUser.QueryRow("name",1).Scan(&name)如果我这样做，我会得到一个错误:runtimeerror:invalidmemoryaddressornilpointerdereference但是如果column不是可变的，就没问题。varSelectUser,_=Database.Prepare("SELECTnameFROMusersWHEREid=$1LIMIT1;")varname
所以我正在使用go-gorp来查询postgres，但我似乎无法查询我的表中的复合类型，这是一个错误。我想要的只是适当嵌套的JSON响应。我的postgres模式是:CREATETYPEPhoneTypeASENUM('MOBILE','HOME','WORK');CREATETYPEPhoneNumberAS("Number"VARCHAR,"Type"PhoneType);CREATETABLEPerson("Id"SERIALPRIMARYKEYNOTNULL,"Name"VARCHARNOTNULL,"Email"VARCHAR,"Number"PhoneNumber[]);对
