Indicates the field names and types for the rows in the result
set. For example, a SQL query like "SELECT UserId, UserName FROM
Users" could return a row_type value like:
Indicates the field names and types for the rows in the result
set. For example, a SQL query like "SELECT UserId, UserName FROM
Users" could return a row_type value like:
Indicates the field names and types for the rows in the result
set. For example, a SQL query like "SELECT UserId, UserName FROM
Users" could return a row_type value like:
(::Google::Cloud::Spanner::V1::Transaction) — If the read or SQL query began a transaction as a side-effect, the
information about the new transaction is yielded here.
value (::Google::Cloud::Spanner::V1::Transaction) — If the read or SQL query began a transaction as a side-effect, the
information about the new transaction is yielded here.
Returns
(::Google::Cloud::Spanner::V1::Transaction) — If the read or SQL query began a transaction as a side-effect, the
information about the new transaction is yielded here.
A SQL query can be parameterized. In PLAN mode, these parameters can be
undeclared. This indicates the field names and types for those undeclared
parameters in the SQL query. For example, a SQL query like "SELECT * FROM
Users where UserId = @userId and UserName = @userName " could return a
undeclared_parameters value like:
A SQL query can be parameterized. In PLAN mode, these parameters can be
undeclared. This indicates the field names and types for those undeclared
parameters in the SQL query. For example, a SQL query like "SELECT * FROM
Users where UserId = @userId and UserName = @userName " could return a
undeclared_parameters value like:
A SQL query can be parameterized. In PLAN mode, these parameters can be
undeclared. This indicates the field names and types for those undeclared
parameters in the SQL query. For example, a SQL query like "SELECT * FROM
Users where UserId = @userId and UserName = @userName " could return a
undeclared_parameters value like:
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Cloud Spanner V1 API - Class Google::Cloud::Spanner::V1::ResultSetMetadata (v1.10.0)\n\nVersion latestkeyboard_arrow_down\n\n- [1.10.0 (latest)](/ruby/docs/reference/google-cloud-spanner-v1/latest/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.9.1](/ruby/docs/reference/google-cloud-spanner-v1/1.9.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.8.0](/ruby/docs/reference/google-cloud-spanner-v1/1.8.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.7.1](/ruby/docs/reference/google-cloud-spanner-v1/1.7.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.6.0](/ruby/docs/reference/google-cloud-spanner-v1/1.6.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.5.0](/ruby/docs/reference/google-cloud-spanner-v1/1.5.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.4.0](/ruby/docs/reference/google-cloud-spanner-v1/1.4.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.3.0](/ruby/docs/reference/google-cloud-spanner-v1/1.3.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.2.0](/ruby/docs/reference/google-cloud-spanner-v1/1.2.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.1.0](/ruby/docs/reference/google-cloud-spanner-v1/1.1.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [1.0.2](/ruby/docs/reference/google-cloud-spanner-v1/1.0.2/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.27.0](/ruby/docs/reference/google-cloud-spanner-v1/0.27.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.26.0](/ruby/docs/reference/google-cloud-spanner-v1/0.26.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.25.0](/ruby/docs/reference/google-cloud-spanner-v1/0.25.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.24.0](/ruby/docs/reference/google-cloud-spanner-v1/0.24.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.23.0](/ruby/docs/reference/google-cloud-spanner-v1/0.23.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.22.2](/ruby/docs/reference/google-cloud-spanner-v1/0.22.2/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.21.0](/ruby/docs/reference/google-cloud-spanner-v1/0.21.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.20.1](/ruby/docs/reference/google-cloud-spanner-v1/0.20.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.19.0](/ruby/docs/reference/google-cloud-spanner-v1/0.19.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.18.0](/ruby/docs/reference/google-cloud-spanner-v1/0.18.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.17.0](/ruby/docs/reference/google-cloud-spanner-v1/0.17.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.16.0](/ruby/docs/reference/google-cloud-spanner-v1/0.16.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.15.1](/ruby/docs/reference/google-cloud-spanner-v1/0.15.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.14.1](/ruby/docs/reference/google-cloud-spanner-v1/0.14.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.13.0](/ruby/docs/reference/google-cloud-spanner-v1/0.13.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.12.0](/ruby/docs/reference/google-cloud-spanner-v1/0.12.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.11.0](/ruby/docs/reference/google-cloud-spanner-v1/0.11.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.10.0](/ruby/docs/reference/google-cloud-spanner-v1/0.10.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.9.0](/ruby/docs/reference/google-cloud-spanner-v1/0.9.0/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.8.1](/ruby/docs/reference/google-cloud-spanner-v1/0.8.1/Google-Cloud-Spanner-V1-ResultSetMetadata)\n- [0.7.4](/ruby/docs/reference/google-cloud-spanner-v1/0.7.4/Google-Cloud-Spanner-V1-ResultSetMetadata) \nReference documentation and code samples for the Cloud Spanner V1 API class Google::Cloud::Spanner::V1::ResultSetMetadata.\n\nMetadata about a [ResultSet](/ruby/docs/reference/google-cloud-spanner-v1/latest/Google-Cloud-Spanner-V1-ResultSet \"Google::Cloud::Spanner::V1::ResultSet (class)\") or\n[PartialResultSet](/ruby/docs/reference/google-cloud-spanner-v1/latest/Google-Cloud-Spanner-V1-PartialResultSet \"Google::Cloud::Spanner::V1::PartialResultSet (class)\"). \n\nInherits\n--------\n\n- Object \n\nExtended By\n-----------\n\n- Google::Protobuf::MessageExts::ClassMethods \n\nIncludes\n--------\n\n- Google::Protobuf::MessageExts\n\nMethods\n-------\n\n### #row_type\n\n def row_type() -\u003e ::Google::Cloud::Spanner::V1::StructType\n\n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n Indicates the field names and types for the rows in the result\n set. For example, a SQL query like `\"SELECT UserId, UserName FROM\n Users\"` could return a `row_type` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]\n\n### #row_type=\n\n def row_type=(value) -\u003e ::Google::Cloud::Spanner::V1::StructType\n\n**Parameter**\n\n- **value** ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n Indicates the field names and types for the rows in the result\n set. For example, a SQL query like `\"SELECT UserId, UserName FROM\n Users\"` could return a `row_type` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]\n\n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n Indicates the field names and types for the rows in the result\n set. For example, a SQL query like `\"SELECT UserId, UserName FROM\n Users\"` could return a `row_type` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]\n\n### #transaction\n\n def transaction() -\u003e ::Google::Cloud::Spanner::V1::Transaction\n\n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::Transaction](./Google-Cloud-Spanner-V1-Transaction)) --- If the read or SQL query began a transaction as a side-effect, the information about the new transaction is yielded here.\n\n### #transaction=\n\n def transaction=(value) -\u003e ::Google::Cloud::Spanner::V1::Transaction\n\n**Parameter**\n\n- **value** ([::Google::Cloud::Spanner::V1::Transaction](./Google-Cloud-Spanner-V1-Transaction)) --- If the read or SQL query began a transaction as a side-effect, the information about the new transaction is yielded here. \n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::Transaction](./Google-Cloud-Spanner-V1-Transaction)) --- If the read or SQL query began a transaction as a side-effect, the information about the new transaction is yielded here.\n\n### #undeclared_parameters\n\n def undeclared_parameters() -\u003e ::Google::Cloud::Spanner::V1::StructType\n\n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n A SQL query can be parameterized. In PLAN mode, these parameters can be\n undeclared. This indicates the field names and types for those undeclared\n parameters in the SQL query. For example, a SQL query like `\"SELECT * FROM\n Users where UserId = @userId and UserName = @userName \"` could return a\n `undeclared_parameters` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]\n\n### #undeclared_parameters=\n\n def undeclared_parameters=(value) -\u003e ::Google::Cloud::Spanner::V1::StructType\n\n**Parameter**\n\n- **value** ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n A SQL query can be parameterized. In PLAN mode, these parameters can be\n undeclared. This indicates the field names and types for those undeclared\n parameters in the SQL query. For example, a SQL query like `\"SELECT * FROM\n Users where UserId = @userId and UserName = @userName \"` could return a\n `undeclared_parameters` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]\n\n**Returns**\n\n- ([::Google::Cloud::Spanner::V1::StructType](./Google-Cloud-Spanner-V1-StructType)) ---\n\n A SQL query can be parameterized. In PLAN mode, these parameters can be\n undeclared. This indicates the field names and types for those undeclared\n parameters in the SQL query. For example, a SQL query like `\"SELECT * FROM\n Users where UserId = @userId and UserName = @userName \"` could return a\n `undeclared_parameters` value like: \n\n \"fields\": [\n { \"name\": \"UserId\", \"type\": { \"code\": \"INT64\" } },\n { \"name\": \"UserName\", \"type\": { \"code\": \"STRING\" } },\n ]"]]