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

Packages that use ColumnInfo

Package	Description
edu.caltech.nanodb.commands	This package contains the classes that represent the commands that the NanoSQL database recognizes.
edu.caltech.nanodb.expressions	This package contains classes for representing and evaluating arithmetic and logical expressions.
edu.caltech.nanodb.plannodes	This package contains classes for representing query execution plans, as well as analyzing their costs.
edu.caltech.nanodb.queryast
edu.caltech.nanodb.relations	This package contains the basic data-types for representing relations in NanoDB.

Uses of ColumnInfo in edu.caltech.nanodb.commands

Fields in edu.caltech.nanodb.commands declared as ColumnInfo

Modifier and Type	Field	Description
private ColumnInfo	TableColumnDecl.columnInfo	Basic details about the column, including its name and type.

Fields in edu.caltech.nanodb.commands with type parameters of type ColumnInfo

Modifier and Type	Field	Description
private java.util.List<ColumnInfo>	CreateTableCommand.columnInfos	List of column-declarations for the new table.

Methods in edu.caltech.nanodb.commands that return ColumnInfo

Modifier and Type	Method	Description
ColumnInfo	TableColumnDecl.getColumnInfo()

Methods in edu.caltech.nanodb.commands that return types with arguments of type ColumnInfo

Modifier and Type	Method	Description
java.util.List<ColumnInfo>	CreateTableCommand.getColumns()	Returns an immutable list of the column descriptions that are part of this CREATE TABLE command.

Constructors in edu.caltech.nanodb.commands with parameters of type ColumnInfo

Constructor	Description
TableColumnDecl(ColumnInfo columnInfo)

Uses of ColumnInfo in edu.caltech.nanodb.expressions

Methods in edu.caltech.nanodb.expressions that return ColumnInfo

Modifier and Type	Method	Description
ColumnInfo	ArithmeticOperator.getColumnInfo(Schema schema)
ColumnInfo	BooleanOperator.getColumnInfo(Schema schema)
ColumnInfo	ColumnValue.getColumnInfo(Schema schema)
ColumnInfo	CompareOperator.getColumnInfo(Schema schema)
ColumnInfo	ExistsOperator.getColumnInfo(Schema schema)
abstract ColumnInfo	Expression.getColumnInfo(Schema schema)	Returns a ColumnInfo object describing the type (and possibly the name) of the expression's result.
ColumnInfo	FunctionCall.getColumnInfo(Schema schema)
ColumnInfo	InSubqueryOperator.getColumnInfo(Schema schema)
ColumnInfo	InValuesOperator.getColumnInfo(Schema schema)
ColumnInfo	IsNullOperator.getColumnInfo(Schema schema)
ColumnInfo	LiteralValue.getColumnInfo(Schema schema)
ColumnInfo	NegateOperator.getColumnInfo(Schema schema)
ColumnInfo	ScalarSubquery.getColumnInfo(Schema schema)
ColumnInfo	StringMatchOperator.getColumnInfo(Schema schema)

Uses of ColumnInfo in edu.caltech.nanodb.plannodes

Fields in edu.caltech.nanodb.plannodes with type parameters of type ColumnInfo

Modifier and Type	Field	Description
private java.util.List<ColumnInfo>	ProjectNode.nonWildcardColumnInfos	This collection holds the non-wildcard column information, so that we can more easily assign schema to projected tuples.

Uses of ColumnInfo in edu.caltech.nanodb.queryast

Methods in edu.caltech.nanodb.queryast that return types with arguments of type ColumnInfo

Modifier and Type	Method	Description
java.util.List<ColumnInfo>	SelectValue.getColumnInfos(Schema inputSchema, Schema resultSchema)	This function returns the column-details of all results that will be produced by this select-value.

Uses of ColumnInfo in edu.caltech.nanodb.relations

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

Modifier and Type	Field	Description
ColumnInfo	Schema.IndexedColumnInfo.colInfo	The details of the column at the stored index.

Fields in edu.caltech.nanodb.relations with type parameters of type ColumnInfo

Modifier and Type	Field	Description
private java.util.ArrayList<ColumnInfo>	Schema.columnInfos	The collection of the column-info objects describing the columns in the schema.

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

Modifier and Type	Method	Description
ColumnInfo	Schema.getColumnInfo(int i)	Returns the ColumnInfo object describing the column at the specified index.
ColumnInfo	Schema.getColumnInfo(java.lang.String colName)	Presuming that exactly one column has the specified name, this method returns the column information for that column name.

Methods in edu.caltech.nanodb.relations that return types with arguments of type ColumnInfo

Modifier and Type	Method	Description
java.util.SortedMap<java.lang.Integer,ColumnInfo>	Schema.findColumns(ColumnName colName)	Given a (possibly wildcard) column-name, this method returns the collection of all columns that match the specified column name.
java.util.List<ColumnInfo>	Schema.getColumnInfos()	Returns an unmodifiable list of all the columns in the schema
java.util.ArrayList<ColumnInfo>	Schema.getColumnInfos(int[] colIndexes)	Constructs and returns a list of ColumnInfo objects for the columns at the specified indexes.
java.util.Iterator<ColumnInfo>	Schema.iterator()	Provides support for iteration over the columns in the schema.

Methods in edu.caltech.nanodb.relations with parameters of type ColumnInfo

Modifier and Type	Method	Description
int	Schema.addColumnInfo(ColumnInfo colInfo)	Add a column to the schema.
int	Schema.getColumnIndex(ColumnInfo colInfo)	Finds the index of the specified column in this schema, or returns -1 if the schema contains no column of the specified name.

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

Constructor	Description
IndexedColumnInfo(int colIndex, ColumnInfo colInfo)	Stores the specified index and column-info value.
Schema(ColumnInfo... colInfos)	Construct a schema containing the specified array of column-info objects.

Constructor parameters in edu.caltech.nanodb.relations with type arguments of type ColumnInfo

Constructor	Description
Schema(java.lang.Iterable<ColumnInfo> colInfos)	Construct a schema whose columns are taken from the specified iterable.