com.cloudera.impala.analysis.DropFunctionStmt Class Reference

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

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

Public Member Functions
	DropFunctionStmt (FunctionName fnName, FunctionArgs fnArgs, boolean ifExists)
FunctionName	getFunction ()
boolean	getIfExists ()
String	toSql ()
TDropFunctionParams	toThrift ()
void	analyze (Analyzer analyzer) throws AnalysisException
void	setIsExplain ()
boolean	isExplain ()

Protected Attributes
boolean	isExplain_ = false

Private Attributes
final FunctionName	fnName_
final FunctionArgs	fnArgs_
final boolean	ifExists_
Function	desc_

Detailed Description

Represents a DROP [IF EXISTS] FUNCTION statement TODO: try to consolidate this with the other Drop*Stmt class, perhaps by adding a DropStatementBase class.

Definition at line 30 of file DropFunctionStmt.java.

Constructor & Destructor Documentation

com.cloudera.impala.analysis.DropFunctionStmt.DropFunctionStmt ( FunctionName  fnName, FunctionArgs  fnArgs, boolean  ifExists  )

inline

Constructor for building the drop statement. If ifExists is true, an error will not be thrown if the function does not exist.

Definition at line 42 of file DropFunctionStmt.java.

References com.cloudera.impala.analysis.DropFunctionStmt.fnArgs_, com.cloudera.impala.analysis.DropFunctionStmt.fnName_, and com.cloudera.impala.analysis.DropFunctionStmt.ifExists_.

Member Function Documentation

void com.cloudera.impala.analysis.DropFunctionStmt.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 70 of file DropFunctionStmt.java.

References com.cloudera.impala.authorization.Privilege.ALL, com.cloudera.impala.analysis.Analyzer.DB_DOES_NOT_EXIST_ERROR_MSG, com.cloudera.impala.analysis.DropFunctionStmt.desc_, com.cloudera.impala.authorization.Privilege.DROP, com.cloudera.impala.analysis.Analyzer.FN_DOES_NOT_EXIST_ERROR_MSG, com.cloudera.impala.analysis.DropFunctionStmt.fnArgs_, com.cloudera.impala.analysis.DropFunctionStmt.fnName_, com.cloudera.impala.analysis.FunctionArgs.getArgTypes(), com.cloudera.impala.analysis.DropFunctionStmt.ifExists_, and com.cloudera.impala.catalog.Type.INVALID.

FunctionName com.cloudera.impala.analysis.DropFunctionStmt.getFunction ( )

inline

Definition at line 48 of file DropFunctionStmt.java.

boolean com.cloudera.impala.analysis.DropFunctionStmt.getIfExists ( )

inline

Definition at line 49 of file DropFunctionStmt.java.

References com.cloudera.impala.analysis.DropFunctionStmt.ifExists_.

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

inline

Returns

SQL syntax corresponding to this node.

Implements com.cloudera.impala.analysis.ParseNode.

Definition at line 52 of file DropFunctionStmt.java.

References com.cloudera.impala.analysis.DropFunctionStmt.ifExists_.

TDropFunctionParams com.cloudera.impala.analysis.DropFunctionStmt.toThrift ( )

inline

Definition at line 60 of file DropFunctionStmt.java.

References com.cloudera.impala.analysis.DropFunctionStmt.getIfExists().

Member Data Documentation

Function com.cloudera.impala.analysis.DropFunctionStmt.desc_

private

Definition at line 36 of file DropFunctionStmt.java.

Referenced by com.cloudera.impala.analysis.DropFunctionStmt.analyze().

final FunctionArgs com.cloudera.impala.analysis.DropFunctionStmt.fnArgs_

private

Definition at line 32 of file DropFunctionStmt.java.

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

final FunctionName com.cloudera.impala.analysis.DropFunctionStmt.fnName_

private

Definition at line 31 of file DropFunctionStmt.java.

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

final boolean com.cloudera.impala.analysis.DropFunctionStmt.ifExists_

private

Definition at line 33 of file DropFunctionStmt.java.

Referenced by com.cloudera.impala.analysis.DropFunctionStmt.analyze(), com.cloudera.impala.analysis.DropFunctionStmt.DropFunctionStmt(), com.cloudera.impala.analysis.DropFunctionStmt.getIfExists(), and com.cloudera.impala.analysis.DropFunctionStmt.toSql().

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().

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

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