com.cloudera.impala.analysis.AlterTableChangeColStmt Class Reference

Inheritance diagram for com.cloudera.impala.analysis.AlterTableChangeColStmt:

Collaboration diagram for com.cloudera.impala.analysis.AlterTableChangeColStmt:

Public Member Functions
	AlterTableChangeColStmt (TableName tableName, String colName, ColumnDef newColDef)
String	getColName ()
ColumnDef	getNewColDef ()
TAlterTableParams	toThrift ()
void	analyze (Analyzer analyzer) throws AnalysisException
String	getTbl ()
String	getDb ()
String	toSql ()
void	setIsExplain ()
boolean	isExplain ()

Protected Member Functions
Table	getTargetTable ()

Protected Attributes
final TableName	tableName_
Table	table_
boolean	isExplain_ = false

Private Attributes
final String	colName_
final ColumnDef	newColDef_

Detailed Description

Represents an ALTER TABLE CHANGE COLUMN colName newColDef statement. Note: It would be fairly simple to reuse this class to support ALTER TABLE MODIFY newColDef statements in the future my making colName optional.

Definition at line 32 of file AlterTableChangeColStmt.java.

Constructor & Destructor Documentation

com.cloudera.impala.analysis.AlterTableChangeColStmt.AlterTableChangeColStmt ( TableName  tableName, String  colName, ColumnDef  newColDef  )

inline

Definition at line 36 of file AlterTableChangeColStmt.java.

References com.cloudera.impala.analysis.AlterTableChangeColStmt.colName_, and com.cloudera.impala.analysis.AlterTableChangeColStmt.newColDef_.

Member Function Documentation

void com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze ( Analyzer  analyzer ) throws AnalysisException

inline

Perform semantic analysis of node and all of its children. Throws exception if any errors found.

Parameters

analyzer

Exceptions

AnalysisException

Implements com.cloudera.impala.analysis.ParseNode.

Definition at line 60 of file AlterTableChangeColStmt.java.

References com.cloudera.impala.analysis.AlterTableChangeColStmt.colName_, com.cloudera.impala.analysis.ColumnDef.getColName(), com.cloudera.impala.analysis.AlterTableStmt.getDb(), com.cloudera.impala.analysis.AlterTableStmt.getTargetTable(), com.cloudera.impala.analysis.AlterTableStmt.getTbl(), and com.cloudera.impala.analysis.AlterTableChangeColStmt.newColDef_.

String com.cloudera.impala.analysis.AlterTableChangeColStmt.getColName ( )

inline

Definition at line 45 of file AlterTableChangeColStmt.java.

References com.cloudera.impala.analysis.AlterTableChangeColStmt.colName_.

String com.cloudera.impala.analysis.AlterTableStmt.getDb ( )

inlineinherited

Can only be called after analysis, returns the parent database name of the target table for this ALTER TABLE statement.

Definition at line 47 of file AlterTableStmt.java.

References com.cloudera.impala.analysis.AlterTableStmt.getTargetTable().

Referenced by com.cloudera.impala.analysis.AlterTableDropColStmt.analyze(), com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze(), and com.cloudera.impala.analysis.AlterTableStmt.toThrift().

ColumnDef com.cloudera.impala.analysis.AlterTableChangeColStmt.getNewColDef ( )

inline

Definition at line 46 of file AlterTableChangeColStmt.java.

References com.cloudera.impala.analysis.AlterTableChangeColStmt.newColDef_.

Table com.cloudera.impala.analysis.AlterTableStmt.getTargetTable ( )

inlineprotectedinherited

Can only be called after analysis, returns the Table object of the target of this ALTER TABLE statement.

Definition at line 55 of file AlterTableStmt.java.

References com.cloudera.impala.analysis.AlterTableStmt.table_.

Referenced by com.cloudera.impala.analysis.AlterTableSetStmt.analyze(), com.cloudera.impala.analysis.AlterTableSetCachedStmt.analyze(), com.cloudera.impala.analysis.AlterTableDropColStmt.analyze(), com.cloudera.impala.analysis.AlterTableSetLocationStmt.analyze(), com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze(), com.cloudera.impala.analysis.AlterTableAddReplaceColsStmt.analyze(), and com.cloudera.impala.analysis.AlterTableStmt.getDb().

String com.cloudera.impala.analysis.AlterTableStmt.getTbl ( )

inlineinherited

Definition at line 41 of file AlterTableStmt.java.

Referenced by com.cloudera.impala.analysis.AlterTableDropColStmt.analyze(), com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze(), com.cloudera.impala.analysis.AlterTableDropPartitionStmt.toSql(), com.cloudera.impala.analysis.AlterTableAddPartitionStmt.toSql(), and com.cloudera.impala.analysis.AlterTableStmt.toThrift().

boolean com.cloudera.impala.analysis.StatementBase.isExplain ( )

inlineinherited

Definition at line 43 of file StatementBase.java.

References com.cloudera.impala.analysis.StatementBase.isExplain_.

void com.cloudera.impala.analysis.StatementBase.setIsExplain ( )

inlineinherited

Definition at line 42 of file StatementBase.java.

References com.cloudera.impala.analysis.StatementBase.isExplain_.

String com.cloudera.impala.analysis.StatementBase.toSql ( )

inlineinherited

Print SQL syntax corresponding to this node.

See Also

com.cloudera.impala.parser.ParseNode::toSql()

Implements com.cloudera.impala.analysis.ParseNode.

Definition at line 41 of file StatementBase.java.

Referenced by com.cloudera.impala.analysis.CreateUdaStmt.analyze(), and com.cloudera.impala.analysis.QueryStmt.createSortInfo().

TAlterTableParams com.cloudera.impala.analysis.AlterTableChangeColStmt.toThrift ( )

inline

Definition at line 49 of file AlterTableChangeColStmt.java.

References com.cloudera.impala.analysis.AlterTableChangeColStmt.colName_.

Member Data Documentation

final String com.cloudera.impala.analysis.AlterTableChangeColStmt.colName_

private

Definition at line 33 of file AlterTableChangeColStmt.java.

Referenced by com.cloudera.impala.analysis.AlterTableChangeColStmt.AlterTableChangeColStmt(), com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze(), com.cloudera.impala.analysis.AlterTableChangeColStmt.getColName(), and com.cloudera.impala.analysis.AlterTableChangeColStmt.toThrift().

boolean com.cloudera.impala.analysis.StatementBase.isExplain_ = false

protectedinherited

Definition at line 24 of file StatementBase.java.

Referenced by com.cloudera.impala.analysis.StatementBase.analyze(), com.cloudera.impala.analysis.InsertStmt.analyze(), com.cloudera.impala.analysis.StatementBase.isExplain(), and com.cloudera.impala.analysis.StatementBase.setIsExplain().

final ColumnDef com.cloudera.impala.analysis.AlterTableChangeColStmt.newColDef_

private

Definition at line 34 of file AlterTableChangeColStmt.java.

Referenced by com.cloudera.impala.analysis.AlterTableChangeColStmt.AlterTableChangeColStmt(), com.cloudera.impala.analysis.AlterTableChangeColStmt.analyze(), and com.cloudera.impala.analysis.AlterTableChangeColStmt.getNewColDef().

Table com.cloudera.impala.analysis.AlterTableStmt.table_

protectedinherited

Definition at line 33 of file AlterTableStmt.java.

Referenced by com.cloudera.impala.analysis.AlterTableStmt.AlterTableStmt(), com.cloudera.impala.analysis.AlterTableStmt.analyze(), com.cloudera.impala.analysis.AlterTableOrViewRenameStmt.analyze(), and com.cloudera.impala.analysis.AlterTableStmt.getTargetTable().

final TableName com.cloudera.impala.analysis.AlterTableStmt.tableName_

protectedinherited

Definition at line 30 of file AlterTableStmt.java.

Referenced by com.cloudera.impala.analysis.AlterTableStmt.AlterTableStmt(), com.cloudera.impala.analysis.AlterTableStmt.analyze(), and com.cloudera.impala.analysis.AlterTableOrViewRenameStmt.analyze().

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

• fe/src/main/java/com/cloudera/impala/analysis/AlterTableChangeColStmt.java