Package org.apache.jackrabbit.oak.query

Class SQL2Parser

java.lang.Object

org.apache.jackrabbit.oak.query.SQL2Parser

public class SQL2Parser
extends Object

The SQL2 parser can convert a JCR-SQL2 query to a query. The 'old' SQL query language (here named SQL-1) is also supported.

Constructor Summary

Constructors

Constructor	Description
SQL2Parser(NamePathMapper namePathMapper, NodeTypeInfoProvider nodeTypes, QueryEngineSettings settings, QueryStatsData.QueryExecutionStats stats)	Create a new parser.

Method Summary

Modifier and Type	Method	Description
static String	escapeStringLiteral(String value)
static int	getPropertyTypeFromName(String name)	Get the property type from the given case insensitive name.
static boolean	isInternal(String statement)	Whether the given statement is an internal query.
Query	parse(String query)	as parse(String, boolean) by providing true to the initialisation flag.
Query	parse(String query, boolean initialise)	Parse the statement and return the query.
void	setAllowNumberLiterals(boolean allowNumberLiterals)
void	setAllowTextLiterals(boolean allowTextLiterals)	Enable or disable support for text literals in queries.
void	setIncludeSelectorNameInWildcardColumns(boolean value)
void	setSupportSQL1(boolean sql1)	Enable or disable support for SQL-1 queries.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQL2Parser

public SQL2Parser(NamePathMapper namePathMapper,
                  NodeTypeInfoProvider nodeTypes,
                  QueryEngineSettings settings,
                  QueryStatsData.QueryExecutionStats stats)

Create a new parser. A parser can be re-used, but it is not thread safe.

Parameters:

namePathMapper - the name-path mapper to use

nodeTypes - the nodetypes

settings - the query engine settings

Method Detail

parse

public Query parse(String query,
                   boolean initialise)
            throws ParseException

Parse the statement and return the query.

Parameters:

query - the query string

initialise - if performing the query init (true) or not (false)

Returns:

the query

Throws:

ParseException - if parsing fails

parse

public Query parse(String query)
            throws ParseException

as parse(String, boolean) by providing true to the initialisation flag.

Parameters:

query -

Returns:

the parsed query

Throws:

ParseException

setSupportSQL1

public void setSupportSQL1(boolean sql1)

Enable or disable support for SQL-1 queries.

Parameters:

sql1 - the new value

getPropertyTypeFromName

public static int getPropertyTypeFromName(String name)

Get the property type from the given case insensitive name.

Parameters:

name - the property type name (case insensitive)

Returns:

the type, or PropertyType.UNDEFINED if unknown

escapeStringLiteral

public static String escapeStringLiteral(String value)

setAllowTextLiterals

public void setAllowTextLiterals(boolean allowTextLiterals)

Enable or disable support for text literals in queries. The default is enabled.

Parameters:

allowTextLiterals -

setAllowNumberLiterals

public void setAllowNumberLiterals(boolean allowNumberLiterals)

setIncludeSelectorNameInWildcardColumns

public void setIncludeSelectorNameInWildcardColumns(boolean value)

isInternal

public static boolean isInternal(String statement)

Whether the given statement is an internal query.

Parameters:

statement - the statement

Returns:

true for an internal query