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云数据库 TiDB 版

云数据库 TiDB 版

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导入任务管理
PreviewLocalImport - 预览本地文件导入结果
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PreviewLocalImport - 预览本地文件导入结果
调用 PreviewLocalImport 结果预览本地文件导入结果。​
使用说明​
仅 Essential 计划支持本地导入预览。​
调试​
API Explorer
您可以通过 API Explorer 在线发起调用,无需关注签名生成过程,快速获取调用结果。
​
请求参数​
下方仅列出该接口特有的请求参数和部分公共参数。更多信息请见公共参数。​
Action string 必选 示例值:PreviewLocalImport​
要执行的操作,取值:PreviewLocalImport。​
​
Version string 必选 示例值:2026-06-30​
API的版本,取值:2026-06-30。​
​
UploadId string 必选 示例值: upl-byxkbgtdrrclvjamv55******​
上传 ID。​
说明​
可通过 CreateImportTask 接口上传本地文件返回的 UploadId 进行查询。​
​
FileType string 必选 示例值: CSV​
数据格式。取值如下:​
  • CSV:CSV 格式。​
  • Parquet:Parquet 格式。​
  • AURORA_SNAPSHOT:AURORA_SNAPSHOT 格式。​
  • SQL:SQL 格式。​
​
CsvFormat object 可选 示例值:​
CSV 格式配置。​
Header boolean 可选 示例值:truetrue​
是否包含首行表头。取值如下:​
  • true:包含。​
  • false:不包含。​
​
NotNull boolean 可选 示例值:true​
是否禁止列为 NULL。取值如下:​
  • true:禁止。​
  • false:不禁止。​
​
NullValue string 可选 示例值:\\N​
NULL 的字符串表示。​
​
BackslashEscape boolean 可选 示例值:true​
是否转义反斜杠。取值如下:​
  • true:转义。​
  • false:不转义。​
​
TrimLastSeparator boolean 可选 示例值:true​
是否去除行尾多余分隔符。取值如下:​
  • true:去除。​
  • false:不去除。​
​
Separator string 可选 示例值:,​
列分隔符。​
​
Delimiter string 可选 示例值:\"​
包裹符。​
​
​
ProjectName string 可选 示例值: default​
项目名称。​
​
InstanceId string 必选 示例值:tidb-eb7cbe******​
实例 ID。​
​
​
​
返回参数​
下方仅列出本接口特有的返回参数。更多信息请参见返回结构。​
Table object 示例值:​
预览的表信息(本地文件仅含一张表)。​
database_name string​
数据库名。​
​
table_name string​
表名。​
​
row_headers string[]​
列名。​
​
row_values object[]​
样例行数据。​
column_values string[]​
行内各列值。​
​
​
row_data_types string[]​
各列数据类型。​
​
column_is_pk boolean[]​
各列是否为主键。​
​
column_auto_gen boolean[]​
各列是否自增/自动生成。​
​
​
​
​
请求示例​
​
POST /?Action=PreviewLocalImport&Version=2026-06-30 HTTP/1.1​
Accept: application/json​
Content-Type: application/json​
Host: tidb.cn-beijing.volcengineapi.com​
X-Date: 20260728T000000Z​
Authorization: HMAC-SHA256 Credential=AK****/20260728/cn-beijing/tidb/request, SignedHeaders=accept;content-type;host;x-date, Signature=****​
​
{​
"Instance": " tidb-eb7cbe******",​
"UploadId": " upl-byxkbgtdrrclvjamv55******",​
"FileType": "CSV",​
"CsvFormat": {​
"Separator": ",",​
"Delimiter": "\"",​
"Header": true,​
"NotNull": false,​
"NullValue": "\\N",​
"BackslashEscape": true,​
"TrimLastSeparator": false​
},​
"ProjectName": "default"​
}​
​
返回示例​
​
{​
"ResponseMetadata": {​
"RequestId": "202610291636363B76F8A0FFD421B65297-******,​
"Action": "PreviewLocalImport",​
"Version": "2026-06-30",​
"Service": "tidb",​
"Region": "cn-beijing"​
},​
"Result": {​
"Table": {​
"database_name": "target_db",​
"row_data_types": [​
"BIGINT(20)",​
"VARCHAR(512)",​
"BIGINT(20)",​
"VARCHAR(512)",​
"DATE",​
"BIGINT(20)"​
],​
"row_headers": [​
"id",​
"name",​
"age",​
"email",​
"register_date",​
"is_active"​
],​
"row_values": [​
{​
"column_values": [​
"1",​
"张三",​
"24",​
"zhangsan@test.com",​
"2026-01-15",​
"1"​
]​
},​
{​
"column_values": [​
"5",​
"钱七",​
"35",​
"qianqi@test.com",​
"2026-05-12",​
"1"​
]​
}​
],​
"table_name": "target_table"​
}​
}​
}​
​
错误码​
下表为您列举了该接口与业务逻辑相关的错误码。公共错误码请参见公共错误码文档。​
​
状态码​
错误码​
错误信息​
说明​
400​
AuditLogDisabled​
Audit logging is disabled for the specified cluster.​
指定集群未开启审计日志。​
400​
AuditLogInvalidParameter​
The audit log request is invalid: %s​
审计日志请求参数无效:%s​
400​
DefaultPrivateEndpointCannotBeDeleted​
The default private endpoint %s cannot be deleted from the allowlist.​
默认私网终端节点 %s 不能从白名单中删除。​
400​
DefaultPrivateEndpointCannotBeReplaced​
The default private endpoint %s cannot be replaced. Only its allowlist rule name can be changed.​
默认私网终端节点 %s 不支持替换,只能修改其白名单规则名称。​
400​
PrivateEndpointServiceMismatch​
The specified private endpoint %s is not connected to the TiDB endpoint service for this cluster.​
私网终端节点 %s 未连接到当前集群对应的 TiDB 终端节点服务。​
400​
InvalidPrivateEndpoint​
The specified private endpoint %s is invalid: %s.​
私网终端节点 %s 无效:%s。​
400​
DisplayNameNotUnique​
Cluster names must be unique. The current name [%s] already exists. Please use a different name.​
集群名称需保持唯一,当前名称%s已存在,请使用其他名称。​
400​
QuotaExceeded​
The account quota has been exceeded.​
账号配额已超限。​
400​
OperationUnsupported​
The operation is unsupported for the specified cluster. %s​
操作不支持。%s​
400​
InvalidParameterFormat​
The input parameter is not valid.​
请求参数格式错误。​
400​
UnsupportedParameter​
The specified parameter %s is not support.​
当前参数%s值不支持。​
400​
InvalidParameter​
The specified parameter %s is not valid.​
参数%s值无效。​
400​
MissingParameter​
The input parameter %s that is mandatory for processing this request is not supplied.​
缺少%s参数。​
400​
MissingParameter​
The input parameter %s that is mandatory for processing this request is not supplied.​
缺少%s参数。​
400​
InvalidParameter​
The specified parameter %s is not valid.​
参数%s值无效。​
400​
UnsupportedParameter​
The specified parameter %s is not support.​
当前参数%s值不支持。​
400​
InvalidParameterFormat​
The input parameter is not valid.​
请求参数格式错误。​
400​
OperationUnsupported​
The operation is unsupported for the specified cluster. %s​
操作不支持。%s​
400​
QuotaExceeded​
The account quota has been exceeded.​
账号配额已超限。​
400​
DisplayNameNotUnique​
Cluster names must be unique. The current name [%s] already exists. Please use a different name.​
集群名称需保持唯一,当前名称%s已存在,请使用其他名称。​
400​
InvalidPrivateEndpoint​
The specified private endpoint %s is invalid: %s.​
私网终端节点 %s 无效:%s。​
400​
PrivateEndpointServiceMismatch​
The specified private endpoint %s is not connected to the TiDB endpoint service for this cluster.​
私网终端节点 %s 未连接到当前集群对应的 TiDB 终端节点服务。​
400​
DefaultPrivateEndpointCannotBeReplaced​
The default private endpoint %s cannot be replaced. Only its allowlist rule name can be changed.​
默认私网终端节点 %s 不支持替换,只能修改其白名单规则名称。​
400​
DefaultPrivateEndpointCannotBeDeleted​
The default private endpoint %s cannot be deleted from the allowlist.​
默认私网终端节点 %s 不能从白名单中删除。​
400​
AuditLogInvalidParameter​
The audit log request is invalid: %s​
审计日志请求参数无效:%s​
400​
AuditLogDisabled​
Audit logging is disabled for the specified cluster.​
指定集群未开启审计日志。​
403​
PermissionDenied​
You are not authorized to perform this operation.​
没有权限执行该操作。​
403​
PermissionDenied​
You are not authorized to perform this operation.​
没有权限执行该操作。​
404​
PrivateEndpointNotFound​
The specified private endpoint %s does not exist.​
未找到私网终端节点 %s。​
404​
AuditLogFilterRuleNotFound​
The specified audit log filter rule %s does not exist.​
未找到审计日志过滤规则 %s。​
404​
RestoreJobNotFound​
No restore job found for the specified cluster.​
未找到恢复任务。​
404​
TableNotFound​
The specified table %s does not exist.​
未找到Table %s​
404​
PrivateEndpointAllowlistRuleNotFound​
The private endpoint allowlist rule for VpcEndpointId %s does not exist.​
未找到 VpcEndpointId 为 %s 的私网白名单规则。​
404​
BranchNotFound​
The specified branch %s does not exist.​
未找到BranchId %s。​
404​
ClusterNotFound​
The specified cluster %s does not exist.​
未找到ClusterId %s。​
404​
ProjectNotFound​
The specified project %s does not exist.​
未找到Project %s。​
404​
ProjectNotFound​
The specified project %s does not exist.​
未找到Project %s。​
404​
ClusterNotFound​
The specified cluster %s does not exist.​
未找到ClusterId %s。​
404​
BranchNotFound​
The specified branch %s does not exist.​
未找到BranchId %s。​
404​
PrivateEndpointNotFound​
The specified private endpoint %s does not exist.​
未找到私网终端节点 %s。​
404​
PrivateEndpointAllowlistRuleNotFound​
The private endpoint allowlist rule for VpcEndpointId %s does not exist.​
未找到 VpcEndpointId 为 %s 的私网白名单规则。​
404​
TableNotFound​
The specified table %s does not exist.​
未找到Table %s​
404​
RestoreJobNotFound​
No restore job found for the specified cluster.​
未找到恢复任务。​
404​
AuditLogFilterRuleNotFound​
The specified audit log filter rule %s does not exist.​
未找到审计日志过滤规则 %s。​
409​
AuditLogFilterRuleAlreadyExists​
The audit log filter rule %s already exists.​
审计日志过滤规则 %s 已存在。​
409​
PrivateEndpointNotAvailable​
The specified private endpoint %s is not available. Current status: %s.​
私网终端节点 %s 当前不可用,当前状态:%s。​
409​
PrivateEndpointAllowlistRuleAlreadyExists​
The private endpoint allowlist rule for VpcEndpointId %s already exists.​
VpcEndpointId 为 %s 的私网白名单规则已存在。​
409​
PrivateEndpointAllowlistRuleAlreadyExists​
The private endpoint allowlist rule for VpcEndpointId %s already exists.​
VpcEndpointId 为 %s 的私网白名单规则已存在。​
409​
PrivateEndpointNotAvailable​
The specified private endpoint %s is not available. Current status: %s.​
私网终端节点 %s 当前不可用,当前状态:%s。​
409​
AuditLogFilterRuleAlreadyExists​
The audit log filter rule %s already exists.​
审计日志过滤规则 %s 已存在。​
500​
InternalError​
The request processing has failed due to some unknown error, exception or failure.​
内部错误。​
500​
ServiceBusy​
The system is busy, please try again later.​
系统繁忙,请稍后重试。​
500​
TiDBError​
err from tidb: %s​
TiDB错误:%s。​
500​
InternalError​
The request processing has failed due to some unknown error, exception or failure.​
内部错误。​
500​
TiDBError​
err from tidb: %s​
TiDB错误:%s​
500​
ServiceBusy​
The system is busy, please try again later.​
系统繁忙,请稍后重试。​
503​
ServiceUnavailable​
The request has failed due to a temporary failure of the server.​
当前服务暂时不可用。​
503​
ServiceUnavailable​
The request has failed due to a temporary failure of the server.​
当前服务暂时不可用。​
​
​
最近更新时间:2026.10.30 11:06:01
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