15. Couchbase
15.1. Connection Options
15.1.1. Authentication
Property
Description
AuthScheme
The type of authentication to use when connecting to Couchbase.
User
The Couchbase user account used to authenticate.
Password
The password used to authenticate the user.
CredentialsFile
Use this property if you need to provide credentials for multiple users or buckets. This file takes priority over other forms of authentication.
Server
The address of the Couchbase server or servers to which you are connecting.
CouchbaseService
Determines the Couchbase service to connect to. Default is N1QL. Available options are N1QL and Analytics.
ConnectionMode
Determines how to connect to the Couchbase server. Must be either Direct or Cloud.
DNSServer
Determines what DNS server to use when retrieving Couchbase Cloud information.
N1QLPort
The port for connecting to the Couchbase N1QL Endpoint.
AnalyticsPort
The port for connecting to the Couchbase Analytics Endpoint.
WebConsolePort
The port for connecting to the Couchbase Web Console.
15.1.2. SSL
Property
Description
SSLClientCert
The TLS/SSL client certificate store for SSL Client Authentication (2-way SSL).
SSLClientCertType
The type of key store containing the TLS/SSL client certificate.
SSLClientCertPassword
The password for the TLS/SSL client certificate.
SSLClientCertSubject
The subject of the TLS/SSL client certificate.
UseSSL
Whether to negotiate TLS/SSL when connecting to the Couchbase server.
SSLServerCert
The certificate to be accepted from the server when connecting using TLS/SSL.
15.1.3. Firewall
Property
Description
FirewallType
The protocol used by a proxy-based firewall.
FirewallServer
The name or IP address of a proxy-based firewall.
FirewallPort
The TCP port for a proxy-based firewall.
FirewallUser
The user name to use to authenticate with a proxy-based firewall.
FirewallPassword
A password used to authenticate to a proxy-based firewall.
15.1.4. Proxy
Property
Description
ProxyAutoDetect
This indicates whether to use the system proxy settings or not. This takes precedence over other proxy settings, so you'll need to set ProxyAutoDetect to FALSE in order use custom proxy settings.
ProxyServer
The hostname or IP address of a proxy to route HTTP traffic through.
ProxyPort
The TCP port the ProxyServer proxy is running on.
ProxyAuthScheme
The authentication type to use to authenticate to the ProxyServer proxy.
ProxyUser
A user name to be used to authenticate to the ProxyServer proxy.
ProxyPassword
A password to be used to authenticate to the ProxyServer proxy.
ProxySSLType
The SSL type to use when connecting to the ProxyServer proxy.
ProxyExceptions
A semicolon separated list of destination hostnames or IPs that are exempt from connecting through the ProxyServer .
15.1.5. Logging
Property
Description
Logfile
A filepath which designates the name and location of the log file.
Verbosity
The verbosity level that determines the amount of detail included in the log file.
LogModules
Core modules to be included in the log file.
MaxLogFileSize
A string specifying the maximum size in bytes for a log file (for example, 10 MB).
MaxLogFileCount
A string specifying the maximum file count of log files.
15.1.6. Schema
Property
Description
Location
A path to the directory that contains the schema files defining tables, views, and stored procedures.
BrowsableSchemas
This property restricts the schemas reported to a subset of the available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC.
Tables
This property restricts the tables reported to a subset of the available tables. For example, Tables=TableA,TableB,TableC.
Views
Restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC.
Dataverse
Which Analytics dataverse to scan when discovering tables.
TypeDetectionScheme
Determines how the provider builds tables and columns from the buckets found in Couchbase.
InferNumSampleValues
The maximum number of values for every field to scan before determining its data type. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER.
InferSampleSize
The maximum number of documents to scan for the columns available in the bucket. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER.
InferSimilarityMetric
Specifies the similarity degree where different schemas will be considered to be the same flavor. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER.
FlexibleSchemas
Whether the provider allows queries to use columns that it has not discovered.
ExposeTTL
Specifies whether document TTL information should be exposed.
NumericStrings
Whether to allow string values to be treated as numbers.
IgnoreChildAggregates
Whether the provider exposes aggregate columns that are also available as child tables. Ignored if TableSupport is not set to Full.
TableSupport
How much effort the provider will put into discovering tables on the Couchbase server.
NewChildJoinsMode
Determines the kind of child table model the provider exposes.
15.1.7. Caching
Property
Description
AutoCache
Automatically caches the results of SELECT queries into a cache database specified by either CacheLocation or both of CacheConnection and CacheProvider .
CacheDriver
The database driver to be used to cache data.
CacheConnection
The connection string for the cache database. This property is always used in conjunction with CacheProvider . Setting both properties will override the value set for CacheLocation for caching data.
CacheLocation
Specifies the path to the cache when caching to a file.
CacheTolerance
The tolerance for stale data in the cache specified in seconds when using AutoCache .
Offline
Use offline mode to get the data from the cache instead of the live source.
CacheMetadata
This property determines whether or not to cache the table metadata to a file store.
15.1.8. Miscellaneous
Property
Description
AllowJSONParameters
Allows raw JSON to be used in parameters when QueryPassthrough is enabled.
BatchSize
The maximum size of each batch operation to submit.
ChildSeparator
The character or characters used to denote child tables.
ConnectionLifeTime
The maximum lifetime of a connection in seconds. Once the time has elapsed, the connection object is disposed.
ConnectOnOpen
This property species whether to connect to the Couchbase when the connection is opened.
CreateTableRamQuota
The default RAM quota, in megabytes, to use when inserting buckets via the CREATE TABLE syntax.
DataverseSeparator
The character or characters used to denote Analytics dataverses and scopes/collections.
FlattenArrays
The number of elements to expose as columns from nested arrays. Ignored if IgnoreChildAggregates is enabled.
FlattenObjects
Set FlattenObjects to true to flatten object properties into columns of their own. Otherwise, objects nested in arrays are returned as strings of JSON.
FlavorSeparator
The character or characters used to denote flavors.
GenerateSchemaFiles
Indicates the user preference as to when schemas should be generated and saved.
InsertNullValues
Determines whether an INSERT should include fields that have NULL values.
MaxRows
Limits the number of rows returned rows when no aggregation or group by is used in the query. This helps avoid performance issues at design time.
Other
These hidden properties are used only in specific use cases.
Pagesize
The maximum number of results to return per page from Couchbase.
PeriodsSeparator
The character or characters used to denote hierarchy.
PoolIdleTimeout
The allowed idle time for a connection before it is closed.
PoolMaxSize
The maximum connections in the pool.
PoolMinSize
The minimum number of connections in the pool.
PoolWaitTime
The max seconds to wait for an available connection.
PseudoColumns
This property indicates whether or not to include pseudo columns as columns to the table.
QueryExecutionTimeout
This sets the server-side timeout for the query, which governs how long Couchbase will execute the query before returning a timeout error.
QueryPassthrough
This option passes the query to the Couchbase server as is.
Readonly
You can use this property to enforce read-only access to Couchbase from the provider.
RowScanDepth
The maximum number of rows to scan to look for the columns available in a table.
RTK
The runtime key used for licensing.
StrictComparison
Adjusts how precisely to translate filters on SQL input queries into Couchbase queries. This can be set to a comma-separated list of values, where each value can be one of: date, number, boolean, or string.
SupportEnhancedSQL
This property enhances SQL functionality beyond what can be supported through the API directly, by enabling in-memory client-side processing.
Timeout
The value in seconds until the timeout error is thrown, canceling the operation.
TransactionDurability
Specifies how a document must be stored for a transaction to succeed. Specifies whether to use N1QL transactions when executing queries.
TransactionTimeout
This sets the amount of time a transaction may execute before it is timed out by Couchbase.
UpdateNullValues
Determines whether an UPDATE writes NULL values as NULL, or removes them.
UseCollectionsForDDL
Whether to assume that CREATE TABLE statements use collections instead of flavors. Only takes effect when connecting to Couchbase v7+ and GenerateSchemaFiles is set to OnCreate.
UseConnectionPooling
This property enables connection pooling.
UseTransactions
Specifies whether to use N1QL transactions when executing queries.
ValidateJSONParameters
Allows the provider to validate that string parameters are valid JSON before sending the query to Couchbase.