Uses of Class
edu.caltech.nanodb.relations.ColumnType

Packages that use ColumnType

Package	Description
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.functions	This package contains the abstractions for supporting simple functions, aggregate functions, and table-returning functions in NanoDB.
edu.caltech.nanodb.queryeval	This package contains the query-evaluation components of the database.
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.
edu.caltech.nanodb.storage	This package contains the classes for the Storage Manager, which is responsible for how data is stored in and retrieved from database files.

Uses of ColumnType in edu.caltech.nanodb.expressions

Methods in edu.caltech.nanodb.expressions with parameters of type ColumnType

Modifier and Type	Method	Description
static java.lang.Object	TypeConverter.coerceTo(java.lang.Object obj, ColumnType colType)

Uses of ColumnType in edu.caltech.nanodb.functions

Methods in edu.caltech.nanodb.functions that return ColumnType

Modifier and Type	Method	Description
ColumnType	Abs.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ArcCos.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ArcSin.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ArcTan.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ArcTan2.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Ceil.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Coalesce.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Concat.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Cos.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	CountAggregate.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	CountStar.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Floor.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Greatest.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	If.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	IfNull.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Least.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	MinMaxAggregate.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	NullIf.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Pow.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ReadPerfCounter.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	ResetPerfCounter.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Round.getReturnType(java.util.List<Expression> args, Schema schema)
abstract ColumnType	ScalarFunction.getReturnType(java.util.List<Expression> args, Schema schema)	Returns the column type of the resulting column after applying the function.
ColumnType	Sin.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Sqrt.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	StdDevVarAggregate.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	SumAvgAggregate.getReturnType(java.util.List<Expression> args, Schema schema)
ColumnType	Tan.getReturnType(java.util.List<Expression> args, Schema schema)

Uses of ColumnType in edu.caltech.nanodb.queryeval

Fields in edu.caltech.nanodb.queryeval with type parameters of type ColumnType

Modifier and Type	Field	Description
private java.util.ArrayList<ColumnType>	PrettyPrintTools.colTypes	Stores the column type for each column
private java.util.ArrayList<ColumnType>	PrettyTuplePrinter.colTypes	Stores the column type for each column

Uses of ColumnType in edu.caltech.nanodb.relations

Fields in edu.caltech.nanodb.relations declared as ColumnType

Modifier and Type	Field	Description
static ColumnType	ColumnType.BIGINT
static ColumnType	ColumnType.DATE
static ColumnType	ColumnType.DATETIME
static ColumnType	ColumnType.DOUBLE
static ColumnType	ColumnType.FILE_POINTER
static ColumnType	ColumnType.FLOAT
static ColumnType	ColumnType.INTEGER
static ColumnType	ColumnType.SMALLINT
static ColumnType	ColumnType.TIME
static ColumnType	ColumnType.TIMESTAMP
static ColumnType	ColumnType.TINYINT
private ColumnType	ColumnInfo.type	The type information for the column.

Methods in edu.caltech.nanodb.relations that return ColumnType

Modifier and Type	Method	Description
static ColumnType	ColumnType.CHAR(int length)
ColumnType	ColumnInfo.getType()	Returns the type of the attribute.
static ColumnType	ColumnType.NUMERIC()
static ColumnType	ColumnType.NUMERIC(int precision)
static ColumnType	ColumnType.NUMERIC(int precision, int scale)
static ColumnType	ColumnType.VARCHAR(int length)

Constructors in edu.caltech.nanodb.relations with parameters of type ColumnType

Constructor	Description
ColumnInfo(ColumnType type)	Construct a new column-info object for a column, specifying the type of the column.
ColumnInfo(java.lang.String name, ColumnType type)	Construct a new column-info object for a column, specifying the attribute name and type of the column.
ColumnInfo(java.lang.String name, java.lang.String tableName, ColumnType type)	Construct a new column-info object for a column, specifying the attribute name, table name, and type of the column.

Uses of ColumnType in edu.caltech.nanodb.storage

Methods in edu.caltech.nanodb.storage with parameters of type ColumnType

Modifier and Type	Method	Description
private int	PageTuple.getColumnValueSize(ColumnType colType, int valueOffset)	Returns the number of bytes used by the column-value at the specified offset, with the specified type.
static int	PageTuple.getStorageSize(ColumnType colType, int dataLength)	Returns the storage size of a particular column's (non-NULL) value, in bytes.
java.lang.Object	DBPage.readObject(int position, ColumnType colType)	This method provides a higher-level wrapper around the other methods in the DBPage class, allowing object-values to be read, as long as the data-type is provided along with the object.
java.lang.Object	PageReader.readObject(ColumnType colType)
static int	PageTuple.writeNonNullValue(DBPage dbPage, int offset, ColumnType colType, java.lang.Object value)	This helper function is used by the PageTuple.setColumnValue(int, java.lang.Object) method in the specific case when a column is being set to a non-NULL value.
int	DBPage.writeObject(int position, ColumnType colType, java.lang.Object value)	This method provides a higher-level wrapper around the other methods in the DBPage class, allowing object-values to be stored, as long as the object isn't null and the data-type is provided along with the object.
void	PageWriter.writeObject(ColumnType colType, java.lang.Object value)