com.cloudera.impala.catalog.Column Class Reference

Inheritance diagram for com.cloudera.impala.catalog.Column:

Collaboration diagram for com.cloudera.impala.catalog.Column:

Public Member Functions
	Column (String name, Type type, int position)
	Column (String name, Type type, String comment, int position)
String	getComment ()
String	getName ()
Type	getType ()
int	getPosition ()
void	setPosition (int position)
ColumnStats	getStats ()
boolean	updateStats (ColumnStatisticsData statsData)
void	updateStats (TColumnStats statsData)
String	toString ()
TColumn	toThrift ()

Static Public Member Functions
static Column	fromThrift (TColumn columnDesc)

Protected Attributes
final String	name_
final Type	type_
final String	comment_
int	position_
final ColumnStats	stats_

Static Private Attributes
static final Logger	LOG = LoggerFactory.getLogger(Column.class)

Detailed Description

Internal representation of column-related metadata. Owned by Catalog instance.

Definition at line 30 of file Column.java.

Constructor & Destructor Documentation

com.cloudera.impala.catalog.Column.Column ( String  name, Type  type, int  position  )

inline

Definition at line 40 of file Column.java.

References impala.name.

Referenced by com.cloudera.impala.catalog.Column.fromThrift().

com.cloudera.impala.catalog.Column.Column ( String  name, Type  type, String  comment, int  position  )

inline

Definition at line 44 of file Column.java.

References com.cloudera.impala.catalog.Column.comment_, impala.name, com.cloudera.impala.catalog.Column.name_, com.cloudera.impala.catalog.Column.position_, com.cloudera.impala.catalog.Column.stats_, and com.cloudera.impala.catalog.Column.type_.

Member Function Documentation

static Column com.cloudera.impala.catalog.Column.fromThrift ( TColumn  columnDesc )

inlinestatic

Definition at line 79 of file Column.java.

References com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Type.fromThrift(), and com.cloudera.impala.catalog.Column.getComment().

String com.cloudera.impala.catalog.Column.getComment ( )

inline

Definition at line 52 of file Column.java.

References com.cloudera.impala.catalog.Column.comment_.

Referenced by com.cloudera.impala.analysis.ToSqlUtils.columnToSql(), com.cloudera.impala.catalog.Column.fromThrift(), and com.cloudera.impala.catalog.Table.loadFromThrift().

String com.cloudera.impala.catalog.Column.getName ( )

inline

Definition at line 53 of file Column.java.

References com.cloudera.impala.catalog.Column.name_.

Referenced by com.cloudera.impala.catalog.CatalogTest.checkTableCols(), com.cloudera.impala.analysis.ToSqlUtils.columnToSql(), com.cloudera.impala.service.MetadataOp.getColumns(), com.cloudera.impala.catalog.HdfsTable.getTableStats(), com.cloudera.impala.catalog.Table.loadFromThrift(), and com.cloudera.impala.analysis.InsertStmt.setTargetTable().

int com.cloudera.impala.catalog.Column.getPosition ( )

inline

Definition at line 55 of file Column.java.

References com.cloudera.impala.catalog.Column.position_.

Referenced by com.cloudera.impala.analysis.InsertStmt.analyze(), com.cloudera.impala.service.MetadataOp.getColumns(), and com.cloudera.impala.analysis.InsertStmt.prepareExpressions().

ColumnStats com.cloudera.impala.catalog.Column.getStats ( )

inline

Definition at line 57 of file Column.java.

References com.cloudera.impala.catalog.Column.stats_.

Referenced by com.cloudera.impala.catalog.CatalogTest.assertStatsUnknown(), com.cloudera.impala.catalog.CatalogTest.testStats(), com.cloudera.impala.catalog.HBaseColumn.toThrift(), and com.cloudera.impala.catalog.Column.toThrift().

Type com.cloudera.impala.catalog.Column.getType ( )

inline

Definition at line 54 of file Column.java.

References com.cloudera.impala.catalog.Column.type_.

Referenced by com.cloudera.impala.analysis.ComputeStatsStmt.checkIncompleteAvroSchema(), com.cloudera.impala.catalog.CatalogTest.checkTableCols(), com.cloudera.impala.analysis.ToSqlUtils.columnToSql(), com.cloudera.impala.analysis.ComputeStatsStmt.getBaseColumnStatsQuerySelectList(), com.cloudera.impala.catalog.Table.loadAllColumnStats(), com.cloudera.impala.catalog.DataSourceTable.loadColumns(), and com.cloudera.impala.analysis.InsertStmt.setTargetTable().

void com.cloudera.impala.catalog.Column.setPosition ( int  position )

inline

Definition at line 56 of file Column.java.

String com.cloudera.impala.catalog.Column.toString ( )

inline

Definition at line 70 of file Column.java.

References com.cloudera.impala.catalog.Column.comment_, com.cloudera.impala.catalog.Column.name_, com.cloudera.impala.catalog.Column.position_, com.cloudera.impala.catalog.Column.stats_, and com.cloudera.impala.catalog.Column.type_.

TColumn com.cloudera.impala.catalog.Column.toThrift ( )

inline

Definition at line 101 of file Column.java.

References com.cloudera.impala.catalog.Column.comment_, com.cloudera.impala.catalog.Column.getStats(), com.cloudera.impala.catalog.Column.name_, com.cloudera.impala.catalog.Column.position_, com.cloudera.impala.catalog.Type.toThrift(), and com.cloudera.impala.catalog.Column.type_.

boolean com.cloudera.impala.catalog.Column.updateStats ( ColumnStatisticsData  statsData )

inline

Definition at line 59 of file Column.java.

References com.cloudera.impala.catalog.Column.name_, and com.cloudera.impala.catalog.Column.type_.

Referenced by com.cloudera.impala.catalog.Table.loadAllColumnStats().

void com.cloudera.impala.catalog.Column.updateStats ( TColumnStats  statsData )

inline

Definition at line 65 of file Column.java.

References com.cloudera.impala.catalog.Column.type_.

Member Data Documentation

final String com.cloudera.impala.catalog.Column.comment_

protected

Definition at line 35 of file Column.java.

Referenced by com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Column.getComment(), com.cloudera.impala.catalog.Column.toString(), com.cloudera.impala.catalog.HBaseColumn.toThrift(), and com.cloudera.impala.catalog.Column.toThrift().

final Logger com.cloudera.impala.catalog.Column.LOG = LoggerFactory.getLogger(Column.class)

staticprivate

Definition at line 31 of file Column.java.

final String com.cloudera.impala.catalog.Column.name_

protected

Definition at line 33 of file Column.java.

Referenced by com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Column.getName(), com.cloudera.impala.catalog.Column.toString(), com.cloudera.impala.catalog.HBaseColumn.toThrift(), com.cloudera.impala.catalog.Column.toThrift(), and com.cloudera.impala.catalog.Column.updateStats().

int com.cloudera.impala.catalog.Column.position_

protected

Definition at line 36 of file Column.java.

Referenced by com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Column.getPosition(), com.cloudera.impala.catalog.Column.toString(), com.cloudera.impala.catalog.HBaseColumn.toThrift(), and com.cloudera.impala.catalog.Column.toThrift().

final ColumnStats com.cloudera.impala.catalog.Column.stats_

protected

Definition at line 38 of file Column.java.

Referenced by com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Column.getStats(), and com.cloudera.impala.catalog.Column.toString().

final Type com.cloudera.impala.catalog.Column.type_

protected

Definition at line 34 of file Column.java.

Referenced by com.cloudera.impala.catalog.Column.Column(), com.cloudera.impala.catalog.Column.getType(), com.cloudera.impala.catalog.Column.toString(), com.cloudera.impala.catalog.HBaseColumn.toThrift(), com.cloudera.impala.catalog.Column.toThrift(), and com.cloudera.impala.catalog.Column.updateStats().

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The documentation for this class was generated from the following file:

• fe/src/main/java/com/cloudera/impala/catalog/Column.java