Uses of Interface
org.axiondb.Function

Packages that use Function
org.axiondb Core interfaces, identifiers, and exceptions. 
org.axiondb.engine.commands AxionCommand implementations. 
org.axiondb.engine.indexes   
org.axiondb.engine.rowiterators RowIterator implementations. 
org.axiondb.engine.visitors   
org.axiondb.functions Function implementations. 
 

Uses of Function in org.axiondb
 

Methods in org.axiondb with parameters of type Function
 RowIterator Index.getRowIterator(RowSource source, Function fn, Object value)
          Returns a RowIteratorover the indexed rows, limited by the given ComparisonOperator/value pair, using the default sort order.
 boolean Index.supportsFunction(Function fn)
          Returns true iff #getRowIterator(org.axiondb.RowSource,org.axiondb.ComparisonOperator,java.lang.Object) can support the given operator, false otherwise.
 

Uses of Function in org.axiondb.engine.commands
 

Methods in org.axiondb.engine.commands that return Function
static Function AxionQueryOptimizer.findColumnLiteralEqualFunction(TableIdentifier tid, Table table, Set conditions, boolean mustCheckForIndex)
           
static Function AxionQueryOptimizer.findColumnLiteralFunction(TableIdentifier tid, Table table, Set conditions, boolean mustCheckForIndex)
          Find column-literal comparision function for a given table.
static Function AxionQueryOptimizer.isColumnIndexed(TableIdentifier tid, Table table, Selectable condition, boolean mustCheckForIndex)
           
 

Uses of Function in org.axiondb.engine.indexes
 

Methods in org.axiondb.engine.indexes with parameters of type Function
 RowIterator BaseArrayIndex.getRowIterator(RowSource source, Function fn, Object value)
           
abstract  RowIterator BaseIndex.getRowIterator(RowSource source, Function fn, Object value)
           
 RowIterator IntBTreeIndex.getRowIterator(RowSource source, Function function, Object value)
           
 RowIterator ObjectBTreeIndex.getRowIterator(RowSource source, Function function, Object value)
           
 boolean BaseArrayIndex.supportsFunction(Function fn)
           
abstract  boolean BaseIndex.supportsFunction(Function fn)
           
 boolean BaseBTreeIndex.supportsFunction(Function fn)
           
 

Uses of Function in org.axiondb.engine.rowiterators
 

Constructors in org.axiondb.engine.rowiterators with parameters of type Function
ChangingIndexedRowIterator(Index index, Table table, Function fn)
           
RebindableIndexedRowIterator(Index index, RowSource table, Function fn, BindVariable bvar)
           
 

Uses of Function in org.axiondb.engine.visitors
 

Methods in org.axiondb.engine.visitors with parameters of type Function
 void FindBindVariableVisitor.visit(Function fn)
           
 void TableColumnsUsedInFunctionVisitor.visit(Function fn, Table sourceTable)
           
 boolean MaskSelectablesForTablesVisitor.visit(Function fn, TableIdentifier[] tables)
           
 

Uses of Function in org.axiondb.functions
 

Subinterfaces of Function in org.axiondb.functions
 interface AggregateFunction
          An aggregate function, which evalutes a collection of Rows.
 interface ConcreteFunction
          An executable Function, as opposed to a FunctionIdentifier.
 interface ScalarFunction
          A ConcreteFunction that evaluates a single Row.
 

Classes in org.axiondb.functions that implement Function
 class ABSFunction
           
 class AddFunction
           
 class AndFunction
           
 class ArithmeticFunction
           
 class AsciiFunction
          Returns the Integer value of the left most char of the String
 class AverageFunction
           
 class Base64DecodeFunction
          BASE64DECODE(string): returns a byte array representing the Base64 decoded value of the given string .
 class Base64EncodeFunction
          BASE64ENCODE(byte[]): returns a string representing the Base64 encoded value of the given byte[] or Blob.
 class BaseAggregateFunction
           
 class BaseBooleanBranchFunction
           
 class BaseFunction
          An abstract base ConcreteFunctionimplementation.
 class BaseRegExpFunction
           
 class BitAndFunction
           
 class BitOrFunction
           
 class CastAsFunction
          ANSI style CAST...AS Function function : CAST( {id|expr} AS type[(precision[,scale])] )
 class CharFunction
          CHAR(number): returns the character representing the unicode value number .
 class CharToDateFunction
          Syntax: CharToDate( date-string, 'format-literal' )
 class CoalesceFunction
          COALESCE([value]+): returns the first non-null value in the argument list.
 class ComparableAggregateFunction
           
 class ComparisonFunction
           
 class ConcatFunction
          CONCAT(string [, string]*): concatenates one or more strings.
 class ContainsFunction
          CONTAINS(string, string): returns a booleanthat indicates whether the second string is a substring of the first.
 class CountFunction
          COUNT: an aggregate function returning the number of rows.
 class DateAddFunction
          Syntax: DateAdd(interval_type, interval, timestamp)
 class DateDiffFunction
          Syntax: DATEDIFF(interval_type, timestamp1, timestamp2)
 class DatePartFunction
          Syntax: DatePart(date-part, date-src) or EXTRACT(date-part FROM date-src)
 class DateToCharFunction
          Syntax: DateToChar( date-expr, 'format-string' )
 class DifferenceFunction
           
 class DivideFunction
           
 class EqualFunction
           
 class ExistsFunction
           
 class FunctionIdentifier
          A Selectable representing an unresolved Function.
 class GreaterThanFunction
           
 class GreaterThanOrEqualFunction
           
 class HexFunction
           
 class IfThenFunction
          IFTHEN(condition value): returns value if condition evalates to true; else, it returns null.
 class InFunction
           
 class InStringFunction
          INSTR(str,substr): Returns the position of the first occurrence of substring substr in string str.
 class IsNotNullFunction
           
 class IsNullFunction
           
 class IsValidDateTimeFunction
          Function to test whether the given String expression is in the same format as the given date format expression.
 class LengthFunction
          Length(string): returns a Type integerrepresenting the length of the input string .
 class LessThanFunction
           
 class LessThanOrEqualFunction
           
 class LikeToRegexpFunction
           
 class Log10Function
           
 class LowerFunction
          LOWER(string): returns a stringcontaining the lower case version of the input string .
 class LPadFunction
           
 class LTrimFunction
           
 class MatchesFunction
          MATCHES(string, string): returns a BooleanTypeboolean that indicates whether first string matches the regular expression pattern represented by the second string.
 class MaxFunction
           
 class MinFunction
           
 class ModFunction
           
 class MultiplyFunction
           
 class NotEqualFunction
           
 class NotFunction
           
 class NotInFunction
           
 class NowFunction
           
 class NullIfFunction
          The NULLIF function returns a null value if the arguments are equal, otherwise it returns the value of the first argument.
 class OrFunction
           
 class ReplaceFunction
           
 class RoundFunction
           
 class RowNumFunction
          Returns an one-based index indicating the order in which a row was selected from a table, join, etc.
 class RPadFunction
           
 class RTrimFunction
           
 class SignFunction
          Returns an indicator of the sign of the given double value.
 class SoundexFunction
           
 class SoundsLikeFunction
           
 class SpaceFunction
          Returns a string filled with a given number of spaces.
 class SubstringFunction
          Syntax: SUBSTRING(str, m [,n]) -- m is one(1) based index.)
 class SubtractFunction
           
 class SumFunction
           
 class TrimFunction
          TRIM ( [LEADING| TRAILING| BOTH] [ trim-character ] FROM ] trim-source) function
 class TruncateFunction
           
 class UpperFunction
          UPPER(string): returns a stringrepresenting the upper case version of the input string .