Revert "HHH-11198 - Add Geometry cast to Postgis st_extent() function"

This reverts commit af301bc9ba.

hibernate-spatial/src/main/java/org/hibernate/spatial/SpatialFunction.java

@@ -159,19 +159,9 @@ public enum SpatialFunction {
 	 * <p>The semantics are those of the Postgis function ST_Transform(geometry, srid) : geometry. It returns new geometry
 	 * with its coordinates transformed to the spatial reference system referenced by the srid parameter.
 	 */
-	transform( "common" ),
+	transform( "common" );
-
-	/**
-	 * the extents function
-	 */
-	extent( "common" );
-
-
 	private final String description;
 
-
-
-
 	SpatialFunction(String specification) {
 		this.description = specification;
 	}

hibernate-spatial/src/main/java/org/hibernate/spatial/dialect/mysql/MySQLSpatialDialect.java

@@ -122,7 +122,6 @@ public class MySQLSpatialDialect extends MySQLDialect implements SpatialDialect
 			case geomunion:
 			case dwithin:
 			case transform:
-			case extent:
 				return false;
 			default:
 				return true;

hibernate-spatial/src/main/java/org/hibernate/spatial/dialect/postgis/PostgisDialect.java

@@ -7,12 +7,10 @@
 package org.hibernate.spatial.dialect.postgis;
 
 
-import java.util.List;
-
 import org.hibernate.boot.model.TypeContributions;
 import org.hibernate.dialect.PostgreSQL82Dialect;
 import org.hibernate.dialect.function.StandardSQLFunction;
-import org.hibernate.engine.spi.SessionFactoryImplementor;
+
 import org.hibernate.service.ServiceRegistry;
 import org.hibernate.spatial.GeolatteGeometryType;
 import org.hibernate.spatial.JTSGeometryType;
@@ -21,7 +19,6 @@ import org.hibernate.spatial.SpatialDialect;
 import org.hibernate.spatial.SpatialFunction;
 import org.hibernate.spatial.SpatialRelation;
 import org.hibernate.type.StandardBasicTypes;
-import org.hibernate.type.Type;
 
 /**
  * A Dialect for Postgresql with support for the Postgis spatial types, functions and operators (release 1.3 or higher)
@@ -211,7 +208,9 @@ public class PostgisDialect extends PostgreSQL82Dialect implements SpatialDialec
 
 		//register Spatial Aggregate function
 		registerFunction(
-				"extent", new ExtentFunction()
+				"extent", new StandardSQLFunction(
+				"extent"
+		)
 		);
 
 		//other common functions
@@ -282,7 +281,7 @@ public class PostgisDialect extends PostgreSQL82Dialect implements SpatialDialec
 		switch ( aggregation ) {
 			case SpatialAggregate.EXTENT:
 				final StringBuilder stbuf = new StringBuilder();
-				stbuf.append( "st_extent(" ).append( columnName ).append( ")::geometry" );
+				stbuf.append( "extent(" ).append( columnName ).append( ")" );
 				return stbuf.toString();
 			default:
 				throw new IllegalArgumentException(
@@ -299,21 +298,6 @@ public class PostgisDialect extends PostgreSQL82Dialect implements SpatialDialec
 
 	@Override
 	public boolean supports(SpatialFunction function) {
-		return (getFunctions().get( function.toString() ) != null);
+		return ( getFunctions().get( function.toString() ) != null );
-	}
-
-	private static class ExtentFunction extends StandardSQLFunction {
-
-		public ExtentFunction() {
-			super( "st_extent" );
-		}
-
-		@Override
-		public String render(
-				Type firstArgumentType, List arguments, SessionFactoryImplementor sessionFactory) {
-			String rendered = super.render( firstArgumentType, arguments, sessionFactory );
-			//add cast
-			return rendered + "::geometry";
-		}
 	}
 }

hibernate-spatial/src/test/java/org/hibernate/spatial/dialect/postgis/PostgisUnmarshalTest.java

@@ -60,6 +60,7 @@ public class PostgisUnmarshalTest {
 
 	public void testCase(String pgValue, Geometry<?> expected) throws SQLException {
 		PGobject pgo = new PGobject();
+		System.out.println( "pgValue  " + pgValue );
 		pgo.setValue( pgValue );
 		Geometry<?> received = PGGeometryTypeDescriptor.toGeometry( pgo );
 		assertEquals( String.format( "Failure on %s", pgValue ), expected, received );

hibernate-spatial/src/test/java/org/hibernate/spatial/integration/TestSpatialFunctions.java

@@ -676,28 +676,6 @@ public class TestSpatialFunctions extends SpatialFunctionalTestCase {
 
 	}
 
-	@Test
-	public void test_extent_on_jts() throws SQLException {
-		extent( JTS );
-	}
-
-	@Test
-	public void test_extent_on_geolatte() throws SQLException {
-		extent( GEOLATTE );
-	}
-
-	public void extent(String pckg) throws SQLException {
-		if ( !isSupportedByDialect( SpatialFunction.extent ) ) {
-			return;
-		}
-		// here we just check if we get a result, and can read it
-		String hql = format(
-				"SELECT id, extent(geom) from org.hibernate.spatial.integration.%s.GeomEntity group by id", pckg
-		);
-		Map<Integer, Object> hsreceived = new HashMap<Integer, Object>();
-		doInSession( hql, hsreceived, new HashMap<String, Object>() );
-	}
-
 	public <T> void retrieveHQLResultsAndCompare(Map<Integer, T> dbexpected, String hql, String geometryType) {
 		retrieveHQLResultsAndCompare( dbexpected, hql, null, geometryType );
 	}