org.apache.derby.impl.sql.compile

Class ParserImpl

java.lang.Object

org.apache.derby.impl.sql.compile.ParserImpl

All Implemented Interfaces:

Parser

public class ParserImpl
extends java.lang.Object
implements Parser

Constructor Summary

Constructors

Constructor and Description
ParserImpl(CompilerContext cc) Constructor for Parser

Method Summary

Modifier and Type	Method and Description
java.lang.String	getSQLtext() Returns the current SQL text string that is being parsed.
Visitable	parseSearchCondition(java.lang.String sqlFragment) Parse an SQL fragment that represents a <search condition>.
Visitable	parseStatement(java.lang.String statementSQLText)
Visitable	parseStatement(java.lang.String statementSQLText, java.lang.Object[] paramDefaults) Parse a statement and return a query tree.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ParserImpl

public ParserImpl(CompilerContext cc)

Constructor for Parser

Method Detail

parseStatement

public Visitable parseStatement(java.lang.String statementSQLText)
                         throws StandardException

Specified by:

parseStatement in interface Parser

Throws:

StandardException

parseStatement

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

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

Specified by:

parseStatement in interface Parser

Parameters:

statementSQLText - Statement to parse

paramDefaults - parameter defaults. Passed around as an array of objects, but is really an array of StorableDataValues

Returns:

A QueryTree representing the parsed statement

Throws:

StandardException - Thrown on error

parseSearchCondition

public Visitable parseSearchCondition(java.lang.String sqlFragment)
                               throws StandardException

Description copied from interface: Parser

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

Specified by:

parseSearchCondition in interface Parser

Parameters:

sqlFragment - the SQL fragment to parse

Returns:

a parse tree representing the search condition

Throws:

StandardException - if the SQL fragment could not be parsed

getSQLtext

public java.lang.String getSQLtext()

Returns the current SQL text string that is being parsed.

Specified by:

getSQLtext in interface Parser

Returns:

Current SQL text string.