chore(docs): update documentation for #403 (#406)

Co-authored-by: villevsv-upcloud <villevsv-upcloud@users.noreply.github.com>

docs/data-sources/managed_database_mysql_sessions.md

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+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "upcloud_managed_database_mysql_sessions Data Source - terraform-provider-upcloud"
+subcategory: ""
+description: |-
+  Current sessions of a MySQL managed database
+---
+
+# upcloud_managed_database_mysql_sessions (Data Source)
+
+Current sessions of a MySQL managed database
+
+## Example Usage
+
+```terraform
+# Use data source to gather a list of the active sessions for a Managed MySQL Database
+
+# Create a Managed MySQL resource
+resource "upcloud_managed_database_mysql" "example" {
+  name = "mysql-example1"
+  plan = "1x1xCPU-2GB-25GB"
+  zone = "fi-hel1"
+}
+
+# Read the active sessions of the newly created service
+data "upcloud_managed_database_mysql_sessions" "example" {
+  service = upcloud_managed_database_mysql.example.id
+}
+```
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `service` (String) Service's UUID for which these sessions belongs to
+
+### Optional
+
+- `limit` (Number) Number of entries to receive at most.
+- `offset` (Number) Offset for retrieved results based on sort order.
+- `order` (String) Order by session field and sort retrieved results. Limited variables can be used for ordering.
+
+### Read-Only
+
+- `id` (String) The ID of this resource.
+- `sessions` (Block Set) Current sessions (see [below for nested schema](#nestedblock--sessions))
+
+<a id="nestedblock--sessions"></a>
+### Nested Schema for `sessions`
+
+Read-Only:
+
+- `application_name` (String) Name of the application that is connected to this service.
+- `client_addr` (String) IP address of the client connected to this service.
+- `datname` (String) Name of the database this service is connected to.
+- `id` (String) Process ID of this service.
+- `query` (String) Text of this service's most recent query. If state is active this field shows the currently executing query. In all other states, it shows an empty string.
+- `query_duration` (String) The active query current duration.
+- `state` (String) Current overall state of this service: active: The service is executing a query, idle: The service is waiting for a new client command.
+- `usename` (String) Name of the user logged into this service.
+
+

docs/data-sources/managed_database_postgresql_sessions.md

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+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "upcloud_managed_database_postgresql_sessions Data Source - terraform-provider-upcloud"
+subcategory: ""
+description: |-
+  Current sessions of a PostgreSQL managed database
+---
+
+# upcloud_managed_database_postgresql_sessions (Data Source)
+
+Current sessions of a PostgreSQL managed database
+
+## Example Usage
+
+```terraform
+# Use data source to gather a list of the active sessions for a Managed PostgreSQL Database
+
+# Create a Managed PostgreSQL resource
+resource "upcloud_managed_database_postgresql" "example" {
+  name = "mysql-example1"
+  plan = "1x1xCPU-2GB-25GB"
+  zone = "fi-hel1"
+}
+
+# Read the active sessions of the newly created service
+data "upcloud_managed_database_postgresql_sessions" "example" {
+  service = upcloud_managed_database_postgresql.example.id
+}
+```
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `service` (String) Service's UUID for which these sessions belongs to
+
+### Optional
+
+- `limit` (Number) Number of entries to receive at most.
+- `offset` (Number) Offset for retrieved results based on sort order.
+- `order` (String) Order by session field and sort retrieved results. Limited variables can be used for ordering.
+- `sessions` (Block Set) Current sessions (see [below for nested schema](#nestedblock--sessions))
+
+### Read-Only
+
+- `id` (String) The ID of this resource.
+
+<a id="nestedblock--sessions"></a>
+### Nested Schema for `sessions`
+
+Optional:
+
+- `backend_xid` (Number) Top-level transaction identifier of this service, if any.
+- `backend_xmin` (Number) The current service's xmin horizon.
+- `client_hostname` (String) Host name of the connected client, as reported by a reverse DNS lookup of `client_addr`.
+- `xact_start` (String) Time when this process' current transaction was started, or null if no transaction is active.
+
+Read-Only:
+
+- `application_name` (String) Name of the application that is connected to this service.
+- `backend_start` (String) Time when this process was started, i.e., when the client connected to the server.
+- `backend_type` (String) Type of current service.
+- `client_addr` (String) IP address of the client connected to this service. If this field is null, it indicates either that the client is connected via a Unix socket on the server machine or that this is an internal process such as autovacuum.
+- `client_port` (Number) TCP port number that the client is using for communication with this service, or -1 if a Unix socket is used.
+- `datid` (Number) OID of the database this service is connected to.
+- `datname` (String) Name of the database this service is connected to.
+- `id` (String) Process ID of this service.
+- `query` (String) Text of this service's most recent query. If state is active this field shows the currently executing query. In all other states, it shows the last query that was executed.
+- `query_duration` (String) The active query current duration.
+- `query_start` (String) Time when the currently active query was started, or if state is not active, when the last query was started.
+- `state` (String) Current overall state of this service: active: The service is executing a query, idle: The service is waiting for a new client command.
+- `state_change` (String) Time when the state was last changed.
+- `usename` (String) Name of the user logged into this service.
+- `usesysid` (Number) OID of the user logged into this service.
+- `wait_event` (String) Wait event name if service is currently waiting.
+- `wait_event_type` (String) The type of event for which the service is waiting, if any; otherwise NULL.
+
+

docs/data-sources/managed_database_redis_sessions.md

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+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "upcloud_managed_database_redis_sessions Data Source - terraform-provider-upcloud"
+subcategory: ""
+description: |-
+  Current sessions of a Redis managed database
+---
+
+# upcloud_managed_database_redis_sessions (Data Source)
+
+Current sessions of a Redis managed database
+
+## Example Usage
+
+```terraform
+# Use data source to gather a list of the active sessions for a Managed Redis Database
+
+# Create a Managed Redis resource
+resource "upcloud_managed_database_redis" "example" {
+  name = "example"
+  plan = "1x1xCPU-2GB"
+  zone = "fi-hel2"
+}
+
+# Read the active sessions of the newly created service
+data "upcloud_managed_database_redis_sessions" "example" {
+  service = upcloud_managed_database_redis.example.id
+}
+```
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `service` (String) Service's UUID for which these sessions belongs to
+
+### Optional
+
+- `limit` (Number) Number of entries to receive at most.
+- `offset` (Number) Offset for retrieved results based on sort order.
+- `order` (String) Order by session field and sort retrieved results. Limited variables can be used for ordering.
+
+### Read-Only
+
+- `id` (String) The ID of this resource.
+- `sessions` (Block Set) Current sessions (see [below for nested schema](#nestedblock--sessions))
+
+<a id="nestedblock--sessions"></a>
+### Nested Schema for `sessions`
+
+Read-Only:
+
+- `active_channel_subscriptions` (Number) Number of active channel subscriptions
+- `active_database` (String) Current database ID
+- `active_pattern_matching_channel_subscriptions` (Number) Number of pattern matching subscriptions.
+- `application_name` (String) Name of the application that is connected to this service.
+- `client_addr` (String) Number of pattern matching subscriptions.
+- `connection_age` (Number) Total duration of the connection in nanoseconds.
+- `connection_idle` (Number) Idle time of the connection in nanoseconds.
+- `flags` (Set of String) A set containing flags' descriptions.
+- `flags_raw` (String) Client connection flags in raw string format.
+- `id` (String) Process ID of this session.
+- `multi_exec_commands` (Number) Number of commands in a MULTI/EXEC context.
+- `output_buffer` (Number) Output buffer length.
+- `output_buffer_memory` (Number) Output buffer memory usage.
+- `output_list_length` (Number) Output list length (replies are queued in this list when the buffer is full).
+- `query` (String) The last executed command.
+- `query_buffer` (Number) Query buffer length (0 means no query pending).
+- `query_buffer_free` (Number) Free space of the query buffer (0 means the buffer is full).
+
+