[hibernate-commits] Hibernate SVN: r18018 - core/trunk/core/src/main/java/org/hibernate/loader/custom/sql.

Author: steve.ebersole(a)jboss.com Date: 2009-11-20 21:01:45 -0500 (Fri, 20 Nov 2009) New Revision: 18018 Modified: core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLCustomQuery.java core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLQueryParser.java Log: HHH-2576 - Allow native-sql to have placeholders for default schema and catalog Modified: core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLCustomQuery.java =================================================================== --- core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLCustomQuery.java 2009-11-21 02:00:30 UTC (rev 18017) +++ core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLCustomQuery.java 2009-11-21 02:01:45 UTC (rev 18018) @@ -129,7 +129,7 @@ // // String[] suffixes = BasicLoader.generateSuffixes(entityPersisters.length); - SQLQueryParser parser = new SQLQueryParser( sqlQuery, new ParserContext( aliasContext ) ); + SQLQueryParser parser = new SQLQueryParser( sqlQuery, new ParserContext( aliasContext ), factory ); this.sql = parser.process(); this.namedParameterBindPoints.putAll( parser.getNamedParameters() ); Modified: core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLQueryParser.java =================================================================== --- core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLQueryParser.java 2009-11-21 02:00:30 UTC (rev 18017) +++ core/trunk/core/src/main/java/org/hibernate/loader/custom/sql/SQLQueryParser.java 2009-11-21 02:01:45 UTC (rev 18018) @@ -25,6 +25,7 @@ package org.hibernate.loader.custom.sql; import org.hibernate.QueryException; +import org.hibernate.engine.SessionFactoryImplementor; import org.hibernate.engine.query.ParameterParser; import org.hibernate.persister.collection.SQLLoadableCollection; import org.hibernate.persister.entity.SQLLoadable; @@ -38,9 +39,15 @@ * @author Gavin King * @author Max Andersen * @author Steve Ebersole + * @author Paul Benedict */ public class SQLQueryParser { + private static final String HIBERNATE_PLACEHOLDER_PREFIX = "h-"; + private static final String DOMAIN_PLACEHOLDER = "h-domain"; + private static final String CATALOG_PLACEHOLDER = "h-catalog"; + private static final String SCHEMA_PLACEHOLDER = "h-schema"; + private final SessionFactoryImplementor factory; private final String originalQueryString; private final ParserContext context; @@ -57,9 +64,10 @@ Map getPropertyResultsMapByAlias(String alias); } - public SQLQueryParser(String queryString, ParserContext context) { + public SQLQueryParser(String queryString, ParserContext context, SessionFactoryImplementor factory) { this.originalQueryString = queryString; this.context = context; + this.factory = factory; } public Map getNamedParameters() { @@ -71,7 +79,9 @@ } public String process() { - return substituteParams( substituteBrackets( originalQueryString ) ); + String processedSql = substituteBrackets( originalQueryString ); + processedSql = substituteParams( processedSql ); + return processedSql; } // TODO: should "record" how many properties we have reffered to - and if we @@ -97,41 +107,75 @@ throw new QueryException( "Unmatched braces for alias path", sqlQuery ); } - String aliasPath = sqlQuery.substring( left + 1, right ); - int firstDot = aliasPath.indexOf( '.' ); - if ( firstDot == -1 ) { - if ( context.isEntityAlias( aliasPath ) ) { - // it is a simple table alias {foo} - result.append( aliasPath ); - aliasesFound++; + final String aliasPath = sqlQuery.substring( left + 1, right ); + boolean isPlaceholder = aliasPath.startsWith( HIBERNATE_PLACEHOLDER_PREFIX ); + + if ( isPlaceholder ) { + // Domain replacement + if ( DOMAIN_PLACEHOLDER.equals( aliasPath ) ) { + final String catalogName = factory.getSettings().getDefaultCatalogName(); + if ( catalogName != null ) { + result.append( catalogName ); + result.append( "." ); + } + final String schemaName = factory.getSettings().getDefaultSchemaName(); + if ( schemaName != null ) { + result.append( schemaName ); + result.append( "." ); + } + } + // Schema replacement + else if ( SCHEMA_PLACEHOLDER.equals( aliasPath ) ) { + final String schemaName = factory.getSettings().getDefaultSchemaName(); + if ( schemaName != null ) { + result.append(schemaName); + result.append("."); + } } + // Catalog replacement + else if ( CATALOG_PLACEHOLDER.equals( aliasPath ) ) { + final String catalogName = factory.getSettings().getDefaultCatalogName(); + if ( catalogName != null ) { + result.append( catalogName ); + result.append( "." ); + } + } else { - // passing through anything we do not know : to support jdbc escape sequences HB-898 - result.append( '{' ).append(aliasPath).append( '}' ); + throw new QueryException( "Unknown placeholder ", aliasPath ); } } else { - String aliasName = aliasPath.substring(0, firstDot); - boolean isCollection = context.isCollectionAlias( aliasName ); - boolean isEntity = context.isEntityAlias( aliasName ); - - if ( isCollection ) { - // The current alias is referencing the collection to be eagerly fetched - String propertyName = aliasPath.substring( firstDot + 1 ); - result.append( resolveCollectionProperties( aliasName, propertyName ) ); - aliasesFound++; - } - else if ( isEntity ) { - // it is a property reference {foo.bar} - String propertyName = aliasPath.substring( firstDot + 1 ); - result.append( resolveProperties( aliasName, propertyName ) ); - aliasesFound++; + int firstDot = aliasPath.indexOf( '.' ); + if ( firstDot == -1 ) { + if ( context.isEntityAlias( aliasPath ) ) { + // it is a simple table alias {foo} + result.append( aliasPath ); + aliasesFound++; + } + else { + // passing through anything we do not know : to support jdbc escape sequences HB-898 + result.append( '{' ).append(aliasPath).append( '}' ); + } } else { - // passing through anything we do not know : to support jdbc escape sequences HB-898 - result.append( '{' ).append(aliasPath).append( '}' ); + final String aliasName = aliasPath.substring( 0, firstDot ); + if ( context.isCollectionAlias( aliasName ) ) { + // The current alias is referencing the collection to be eagerly fetched + String propertyName = aliasPath.substring( firstDot + 1 ); + result.append( resolveCollectionProperties( aliasName, propertyName ) ); + aliasesFound++; + } + else if ( context.isEntityAlias( aliasName ) ) { + // it is a property reference {foo.bar} + String propertyName = aliasPath.substring( firstDot + 1 ); + result.append( resolveProperties( aliasName, propertyName ) ); + aliasesFound++; + } + else { + // passing through anything we do not know : to support jdbc escape sequences HB-898 + result.append( '{' ).append(aliasPath).append( '}' ); + } } - } }