org.apache.spark.sql.jdbc

JdbcDialects

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.

Note that all new dialects are applied to new jdbc DataFrames only. Make sure to register your dialects first.

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  17. 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. Readding an existing dialect will cause a move-to-front.

    dialect

    The new dialect.

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  19. def toString(): String

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  20. 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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