Package mondrian.rolap.aggmatcher

Class JdbcSchema.Table.Column

java.lang.Object
mondrian.rolap.aggmatcher.JdbcSchema.Table.Column
Enclosing class:
JdbcSchema.Table
public class JdbcSchema.Table.Column extends Object
A column in a table.

  • Field Details

  • Method Details

    • getName

      public String getName()
      Returns the column's name in the database, not a symbolic name.

    • getType

      public int getType()
      Returns the columnIter java.sql.Type enun of the column.

    • getTypeName

      public String getTypeName()
      Returns the columnIter java.sql.Type name.

    • getTable

      public JdbcSchema.Table getTable()
      Returns this column's table.

    • getDatatype

      public Dialect.Datatype getDatatype()
      Return true if this column is numeric.

    • getColumnSize

      public int getColumnSize()
      Returns the size in bytes of the column in the database.

    • getDecimalDigits

      public int getDecimalDigits()
      Returns number of fractional digits.

    • getNumPrecRadix

      public int getNumPrecRadix()
      Returns Radix (typically either 10 or 2).

    • getCharOctetLength

      public int getCharOctetLength()
      For char types the maximum number of bytes in the column.

    • isNullable

      public boolean isNullable()
      False means the column definitely does not allow NULL values.

    • numberOfUsages

      public int numberOfUsages()
      How many usages does this column have. A column has between 0 and N usages. It has no usages if usages is some administrative column. It has one usage if, for example, its the fact_count column or a level column (for a collapsed dimension aggregate). It might have 2 usages if its a foreign key that is also used as a measure. If its a column used in N measures, then usages will have N usages.

    • flushUsages

      public void flushUsages()
      flushes all star usage references

    • hasUsage

      public boolean hasUsage()
      Return true if the column has at least one usage.

    • hasUsage

      public boolean hasUsage(JdbcSchema.UsageType columnType)
      Return true if the column has at least one usage of the given column type.

    • getUsages

      public List<JdbcSchema.Table.Column.Usage> getUsages()
      Returns an iterator over all usages.

    • getUsages

      public Iterator<JdbcSchema.Table.Column.Usage> getUsages(JdbcSchema.UsageType usageType)
      Returns an iterator over all usages of the given column type.

    • newUsage

      public JdbcSchema.Table.Column.Usage newUsage(JdbcSchema.UsageType usageType)
      Create a new usage of a given column type.

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • print

      public void print(PrintWriter pw, String prefix)