Fetch the JdbcDialect class corresponding to a given database url.
Register a dialect for use on all new matching jdbc org.apache.spark.sql.DataFrame
.
Register a dialect for use on all new matching jdbc org.apache.spark.sql.DataFrame
.
Reading an existing dialect will cause a move-to-front.
The new dialect.
Unregister a dialect.
Unregister a dialect. Does nothing if the dialect is not registered.
The jdbc dialect.
:: DeveloperApi :: Registry of dialects that apply to every new jdbc
org.apache.spark.sql.DataFrame
.If multiple matching dialects are registered then all matching ones will be tried in reverse order. A user-added dialect will thus be applied first, overwriting the defaults.
All new dialects are applied to new jdbc DataFrames only. Make sure to register your dialects first.