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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
PrecheckImportTask - 预检查导入文件
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PrecheckImportTask - 预检查导入文件
调用 PrecheckImportTask 接口预检查导入文件。​
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:PrecheckImportTask​
要执行的操作,取值:PrecheckImportTask。​
​
Version string 必选 示例值:2026-06-30​
API的版本,取值:2026-06-30。​
​
ImportOptions object 必选 示例值:ImportOptions​
导入选项。​
NeedDropTable boolean 可选 示例值:true​
是否先删除目标表(仅 tutorial 场景使用)。取值如下:​
  • true:删除。​
  • false:不删除。​
​
FileType string 可选 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​
CSV 格式配置。​
Header boolean 可选 示例值:true​
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。​
​
​
​
Source object 必选 示例值:{ "Type": "TOS", "Tos": { "Uri": "tos://test-tidb/CVS/", "AuthType": "ACCESS_KEY", "AccessKey": { "Id": "AKLTNGRlYWNiMzJhMTYy******", "Secret": "TWpVME9HUTBOR0UzT0Rk******" } }, "TargetTableInfos": [ { "TargetTable": { "Database": "tpcc_db", "Table": "customer10" }, "CustomFile": "tpcc_db.customer10*.csv" } ], "Local": { "UploadId": "upload-882fa31e-76b2-4411-b721******", "TargetDatabase": "biz_local_db", "TargetTable": "local_temp_table", "FileName": "local_sample.csv", "Columns": [ { "ColumnName": "id", "ColumnType": "BIGINT UNSIGNED" }, { "ColumnName": "c_name", "ColumnType": "VARCHAR(64)" }, { "ColumnName": "create_time", "ColumnType": "DATETIME" } ], "PkColumns": [ "id" ] } }​
导入数据源配置。​
Type string 可选 示例值:TOS​
数据源类型。​
​
Tos object 可选​
TOS 源配置。​
Uri string 可选​
TOS URI。​
​
AuthType string 可选​
固定为 ACCESS_KEY。​
​
AccessKey object 可选​
访问凭证。​
Id string 可选​
AccessKey ID。​
​
Secret string 可选​
AccessKey Secret。​
​
​
​
TargetTableInfos object[] 可选​
导入目标表信息。​
TargetTable object 可选​
目标表信息。​
Database string 可选​
数据库名。​
​
Table string 可选​
表名。​
​
​
CustomFile string 可选​
自定义文件,为空时使用默认规则导入数据。​
​
​
Local object 可选​
本地文件导入源配置。​
UploadId string 可选​
上传文件的 upload_id。​
​
TargetDatabase string 可选​
目标数据库。​
​
TargetTable string 可选​
目标表。​
​
FileName string 可选​
导入文件名(只读)。​
​
Columns object[] 可选​
目标表列定义(仅输入,目标表不存在时用于建表)。​
ColumnName string 可选​
列名。​
​
ColumnType string 可选​
列类型。​
​
​
PkColumns string[] 可选​
主键列(仅输入)。​
​
​
​
ProjectName string 可选 示例值:default​
项目名称。​
​
InstanceId string 必选 示例值:tidb‑544c96a2******​
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。​
TargetTables object[] 示例值:{ "Database": "example", "Table": "example" }​
匹配到数据文件的目标表列表。​
TargetTable object​
目标表。​
Database string​
数据库名。​
​
Table string​
表名。​
​
​
ErrorMessage string​
错误信息。​
​
MatchedDataFiles string[]​
匹配到的数据文件。​
​
MatchedSchemaFile string​
匹配到的 schema 文件。​
​
UseSchemaFile boolean​
是否使用匹配到的 schema 文件。​
​
​
ErrorMessage string 示例值:​
未匹配表的错误信息。​
​
TotalDataFilesCount string 示例值:2​
数据文件总数(uint64 字符串)。​
​
TotalTablesCount string 示例值:2​
表总数(uint64 字符串)。​
​
Status string 示例值:COMPLETED​
预检查状态。​
​
​
​
请求示例​
​
{​
"ProjectName": "default",​
"InstanceId": "tidb-2c2bc0******",​
"ImportOptions": {​
"FileType": "CSV",​
"CsvFormat": {​
"Separator": ",",​
"Delimiter": "\"",​
"Header": true,​
"NotNull": false,​
"NullValue": "\\N",​
"BackslashEscape": true,​
"TrimLastSeparator": false​
}​
},​
"Source": {​
"Type": "TOS",​
"Tos": {​
"Uri": "tos://test-tidb/CVS/",​
"AuthType": "ACCESS_KEY",​
"AccessKey": {​
"Id": "AKLTNGRlYW******",​
"Secret": "TW*****BOR0UzT0Rka05HTTFOVGxoW******"​
}​
}​
}​
}​
​
返回示例​
​
{​
"ResponseMetadata": {​
"RequestId": "20261029171509CCF2845856E6F4AAA66C-******",​
"Action": "PrecheckImportTask",​
"Version": "2026-06-30",​
"Service": "tidb",​
"Region": "cn-beijing"​
},​
"Result": {​
"Status": "COMPLETED",​
"TargetTables": [​
{​
"MatchedDataFiles": [​
"tpcc_db.customer1.0000000010000.csv.zst"​
],​
"MatchedSchemaFile": "tpcc_db.customer1-schema.sql.zst",​
"TargetTable": {​
"Database": "tpcc_db",​
"Table": "customer1"​
},​
"UseSchemaFile": true​
},​
{​
"MatchedDataFiles": [​
"tpcc_db.customer10.0000000010000.csv"​
],​
"MatchedSchemaFile": "tpcc_db.customer10-schema.sql",​
"TargetTable": {​
"Database": "tpcc_db",​
"Table": "customer10"​
},​
"UseSchemaFile": true​
}​
],​
"TotalDataFilesCount": "2",​
"TotalTablesCount": "2"​
}​
}​
​
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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