com.cloudera.impala.analysis.ShowDbsStmt Class Reference

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

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

Public Member Functions
	ShowDbsStmt ()
	ShowDbsStmt (String pattern)
String	getPattern ()
String	toSql ()
void	analyze (Analyzer analyzer) throws AnalysisException
TShowDbsParams	toThrift ()
void	setIsExplain ()
boolean	isExplain ()

Protected Attributes
boolean	isExplain_ = false

Private Attributes
final String	pattern_

Detailed Description

Representation of a SHOW DATABASES [pattern] statement. Acceptable syntax:

SHOW DATABASES SHOW SCHEMAS SHOW DATABASES LIKE 'pattern' SHOW SCHEMAS LIKE 'pattern'

Definition at line 30 of file ShowDbsStmt.java.

Constructor & Destructor Documentation

com.cloudera.impala.analysis.ShowDbsStmt.ShowDbsStmt ( )

inline

Default constructor, which creates a show statement which returns all databases.

Definition at line 38 of file ShowDbsStmt.java.

com.cloudera.impala.analysis.ShowDbsStmt.ShowDbsStmt ( String  pattern )

inline

Constructs a show statement which matches all databases against the supplied pattern.

Definition at line 46 of file ShowDbsStmt.java.

Member Function Documentation

void com.cloudera.impala.analysis.ShowDbsStmt.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 62 of file ShowDbsStmt.java.

String com.cloudera.impala.analysis.ShowDbsStmt.getPattern ( )

inline

Definition at line 50 of file ShowDbsStmt.java.

References com.cloudera.impala.analysis.ShowDbsStmt.pattern_.

Referenced by com.cloudera.impala.analysis.ShowDbsStmt.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.ShowDbsStmt.toSql ( )

inline

Returns

SQL syntax corresponding to this node.

Implements com.cloudera.impala.analysis.ParseNode.

Definition at line 53 of file ShowDbsStmt.java.

References com.cloudera.impala.analysis.ShowDbsStmt.pattern_.

TShowDbsParams com.cloudera.impala.analysis.ShowDbsStmt.toThrift ( )

inline

Definition at line 66 of file ShowDbsStmt.java.

References com.cloudera.impala.analysis.ShowDbsStmt.getPattern().

Member Data Documentation

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 String com.cloudera.impala.analysis.ShowDbsStmt.pattern_

private

Definition at line 32 of file ShowDbsStmt.java.

Referenced by com.cloudera.impala.analysis.ShowDbsStmt.getPattern(), and com.cloudera.impala.analysis.ShowDbsStmt.toSql().

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

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