Package org.apache.ignite.internal.processors.query.h2

Class QueryParser

java.lang.Object

org.apache.ignite.internal.processors.query.h2.QueryParser

public class QueryParser
extends Object

Parser module. Splits incoming request into a series of parsed results.

Constructor Summary

Constructors

Constructor	Description
QueryParser(IgniteH2Indexing idx, ConnectionManager connMgr, Predicate<SqlCommand> nativeCmdPredicate)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clearCache()	Clear cached plans.
QueryParserResult	parse(String schemaName, SqlFieldsQuery qry, boolean remainingAllowed)	Parse the query.
QueryParameters	queryParameters(SqlFieldsQuery qry)	Create parameters from query.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryParser

public QueryParser(IgniteH2Indexing idx,
                   ConnectionManager connMgr,
                   Predicate<SqlCommand> nativeCmdPredicate)

Constructor.

Parameters:

idx - Indexing instance.

connMgr - Connection manager.

nativeCmdPredicate - Predicate to filter supported native commands.

Method Detail

parse

public QueryParserResult parse(String schemaName,
                               SqlFieldsQuery qry,
                               boolean remainingAllowed)

Parse the query.

Parameters:

schemaName - schema name.

qry - query to parse.

remainingAllowed - Whether multiple statements are allowed.

Returns:

Parsing result that contains Parsed leading query and remaining sql script.

queryParameters

public QueryParameters queryParameters(SqlFieldsQuery qry)

Create parameters from query.

Parameters:

qry - Query.

Returns:

Parameters.

clearCache

public void clearCache()

Clear cached plans.