Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.compile.ParserImpl

Modifier and Type	Field and Description
private SQLParser	cachedParser
private Object	cachedTokenManager
private final CompilerContext	cc
private CharStream	charStream
pack-priv static final int	LARGE_TOKEN_SIZE
protected String	SQLtext

Access	Constructor and Description
public	ParserImpl(CompilerContext cc) Constructor for Parser

Method Summary

Modifier and Type	Method and Description
private SQLParser	getParser() new parser, appropriate for the ParserImpl object.
public String	Returns: Current SQL text string. getSQLtext() Implements org.apache.derby.iapi.sql.compile.Parser.getSQLtext. Returns the current SQL text string that is being parsed.
protected Object	getTokenManager() Returns a initialized (clean) TokenManager, paired w.
public Visitable	parseSearchCondition(String the SQL fragment to parse sqlFragment) Implements org.apache.derby.iapi.sql.compile.Parser.parseSearchCondition. Parse an SQL fragment that represents a `<search condition>`.
public Visitable	parseStatement(String statementSQLText) Implements org.apache.derby.iapi.sql.compile.Parser.parseStatement.
public Visitable	Returns: A QueryTree representing the parsed statement parseStatement(String Statement to parse statementSQLText, Object[] parameter defaults. Passed around as an array of objects, but is really an array of StorableDataValues paramDefaults) Implements org.apache.derby.iapi.sql.compile.Parser.parseStatement. Parse a statement and return a query tree.
private Visitable	Returns: parse tree for the SQL parseStatementOrSearchCondition(String the SQL statement or fragment to parse sql, Object[] parameter defaults to pass on to the parser in the case where `sql` is a full SQL statement paramDefaults, boolean `true` if `sql` is a full SQL statement, `false` if it is a fragment isStatement) Parse a full SQL statement or a fragment that represents a `<search condition>`.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

cachedParser	back to summary
private SQLParser cachedParser

cachedTokenManager	back to summary
private Object cachedTokenManager

cc	back to summary
private final CompilerContext cc

charStream	back to summary
private CharStream charStream

LARGE_TOKEN_SIZE	back to summary
pack-priv static final int LARGE_TOKEN_SIZE

SQLtext	back to summary
protected String SQLtext

ParserImpl	back to summary
public ParserImpl(CompilerContext cc) Constructor for Parser

Method Detail

getParser	back to summary
private SQLParser getParser() new parser, appropriate for the ParserImpl object.

getSQLtext	back to summary
public String getSQLtext() Implements org.apache.derby.iapi.sql.compile.Parser.getSQLtext. Returns the current SQL text string that is being parsed. Returns:String Current SQL text string.

getSQLtext

back to summary

public String getSQLtext()

Implements org.apache.derby.iapi.sql.compile.Parser.getSQLtext.

Returns the current SQL text string that is being parsed.

Returns:String: Current SQL text string.

getTokenManager	back to summary
protected Object getTokenManager() Returns a initialized (clean) TokenManager, paired w. the Parser in getParser, Appropriate for this ParserImpl object.

parseSearchCondition back to summary

parseSearchCondition	back to summary
public Visitable parseSearchCondition(String sqlFragment) throws StandardException Implements org.apache.derby.iapi.sql.compile.Parser.parseSearchCondition. Doc from org.apache.derby.iapi.sql.compile.Parser.parseSearchCondition. Parse an SQL fragment that represents a `<search condition>`. Parameters sqlFragment:String the SQL fragment to parse Returns:Visitable a parse tree representing the search condition Annotations @Override Exceptions StandardException: if the SQL fragment could not be parsed

public Visitable parseSearchCondition(String sqlFragment) throws StandardException

Implements org.apache.derby.iapi.sql.compile.Parser.parseSearchCondition.

Doc from org.apache.derby.iapi.sql.compile.Parser.parseSearchCondition.

Parse an SQL fragment that represents a <search condition>.

Parameters

sqlFragment:String: the SQL fragment to parse

Returns:Visitable

a parse tree representing the search condition

Annotations

@Override

Exceptions

StandardException:: if the SQL fragment could not be parsed

parseStatement	back to summary
public Visitable parseStatement(String statementSQLText) throws StandardException Implements org.apache.derby.iapi.sql.compile.Parser.parseStatement.

parseStatement	back to summary
public Visitable parseStatement(String statementSQLText, Object[] paramDefaults) throws StandardException Implements org.apache.derby.iapi.sql.compile.Parser.parseStatement. Parse a statement and return a query tree. Implements the Parser interface Parameters statementSQLText:String Statement to parse paramDefaults:Object[] parameter defaults. Passed around as an array of objects, but is really an array of StorableDataValues Returns:Visitable A QueryTree representing the parsed statement Exceptions StandardException: Thrown on error

parseStatement

back to summary

public Visitable parseStatement(String statementSQLText, Object[] paramDefaults) throws StandardException

Implements org.apache.derby.iapi.sql.compile.Parser.parseStatement.

Parse a statement and return a query tree. Implements the Parser interface

Parameters

statementSQLText:String: Statement to parse
paramDefaults:Object[]: parameter defaults. Passed around as an array of objects, but is really an array of StorableDataValues

Returns:Visitable

A QueryTree representing the parsed statement

Exceptions

StandardException:: Thrown on error

parseStatementOrSearchCondition back to summary

parseStatementOrSearchCondition	back to summary
private Visitable parseStatementOrSearchCondition(String sql, Object[] paramDefaults, boolean isStatement) throws StandardException Parse a full SQL statement or a fragment that represents a `<search condition>`. Parameters sql:String the SQL statement or fragment to parse paramDefaults:Object[] parameter defaults to pass on to the parser in the case where `sql` is a full SQL statement isStatement:boolean `true` if `sql` is a full SQL statement, `false` if it is a fragment Returns:Visitable parse tree for the SQL Exceptions StandardException: if an error happens during parsing

private Visitable parseStatementOrSearchCondition(String sql, Object[] paramDefaults, boolean isStatement) throws StandardException

Parse a full SQL statement or a fragment that represents a <search condition>.

Parameters

sql:String: the SQL statement or fragment to parse
paramDefaults:Object[]: parameter defaults to pass on to the parser in the case where sql is a full SQL statement
isStatement:boolean: true if sql is a full SQL statement, false if it is a fragment

Returns:Visitable

parse tree for the SQL

Exceptions

StandardException:: if an error happens during parsing

public Class ParserImpl

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