object ColumnAliaser

Source
MetaData.scala
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  1. final def !=(arg0: Any): Boolean
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply(f: PartialFunction[(Int, ColumnName), String]): ColumnAliaser

    Initializes an aliaser from a given partial function.

    Initializes an aliaser from a given partial function.

    ColumnAliaser({
  case (1, cn) => "my_id"
  case (_, ColumnName(".foo", _)) => "prefix.foo"
})
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  15. final def notifyAll(): Unit
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  16. def perPositions(positions: Set[Int])(as: ((Int, ColumnName)) ⇒ String): ColumnAliaser

    positions

    the column positions (>= 1)

    as

    function to determine the alias for the matching columns

    ColumnAliaser.perPositions((2 to 3).toSet) {
  case (2, _) => "prefix.foo"
  case _ => "bar"
}
  17. final def synchronized[T0](arg0: ⇒ T0): T0
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  21. final def wait(arg0: Long): Unit
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  22. def withPattern(positions: Set[Int], prefix: String, suffix: String = ""): ColumnAliaser

    positions

    the column positions (>= 1)

    prefix

    the prefix to be prepended to the aliases of the matching columns

    suffix

    the suffix to be appended to the aliases (default: "")

    ColumnAliaser.withPattern((2 to 3).toSet, "prefix.")
  23. def withPattern1(prefix: String, suffix: String = "")(positions: Int*): ColumnAliaser

    prefix

    the prefix to be prepended to the aliases of the matching columns

    suffix

    the suffix to be appended to the aliases (default: "")

    positions

    the column positions (>= 1); duplicate are merged

    ColumnAliaser.withPattern((2 to 3).toSet, "prefix.")
  24. object empty extends ColumnAliaser

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