object JdbcDialects
:: 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.
- Annotations
- @DeveloperApi()
- Source
- JdbcDialects.scala
- Note
All new dialects are applied to new jdbc DataFrames only. Make sure to register your dialects first.
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- def get(url: String): JdbcDialect
Fetch the JdbcDialect class corresponding to a given database url.
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- def registerDialect(dialect: JdbcDialect): Unit
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.- dialect
The new dialect.
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- def unregisterDialect(dialect: JdbcDialect): Unit
Unregister a dialect.
Unregister a dialect. Does nothing if the dialect is not registered.
- dialect
The jdbc dialect.
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(Since version 9)