com.cloudera.impala.analysis.AlterTableDropColStmt Class Reference

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

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

Public Member Functions
	AlterTableDropColStmt (TableName tableName, String colName)
String	getColName ()
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_

Detailed Description

Represents an ALTER TABLE DROP COLUMN statement. Note: Hive does not support this syntax for droppping columns, but it is supported by mysql.

Definition at line 32 of file AlterTableDropColStmt.java.

Constructor & Destructor Documentation

com.cloudera.impala.analysis.AlterTableDropColStmt.AlterTableDropColStmt ( TableName  tableName, String  colName  )

inline

Definition at line 35 of file AlterTableDropColStmt.java.

References com.cloudera.impala.analysis.AlterTableDropColStmt.colName_.

Member Function Documentation

void com.cloudera.impala.analysis.AlterTableDropColStmt.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 53 of file AlterTableDropColStmt.java.

References com.cloudera.impala.analysis.AlterTableDropColStmt.colName_, com.cloudera.impala.analysis.AlterTableStmt.getDb(), com.cloudera.impala.analysis.AlterTableStmt.getTargetTable(), and com.cloudera.impala.analysis.AlterTableStmt.getTbl().

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

inline

Definition at line 41 of file AlterTableDropColStmt.java.

References com.cloudera.impala.analysis.AlterTableDropColStmt.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().

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.AlterTableDropColStmt.toThrift ( )

inline

Definition at line 44 of file AlterTableDropColStmt.java.

References com.cloudera.impala.analysis.AlterTableDropColStmt.colName_.

Member Data Documentation

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

private

Definition at line 33 of file AlterTableDropColStmt.java.

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

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/AlterTableDropColStmt.java