svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.dal / org.gvsig.fmap.dal.db / org.gvsig.fmap.dal.db.h2 / src / main / java / org / gvsig / fmap / dal / store / h2 / operations / H2SpatialFetchFeatureTypeOperation.java @ 44376
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package org.gvsig.fmap.dal.store.h2.operations; |
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import java.sql.Connection; |
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import java.sql.ResultSet; |
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import java.sql.ResultSetMetaData; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.EditableFeatureType; |
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import org.gvsig.fmap.dal.resource.exception.AccessResourceException; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCUtils; |
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import org.gvsig.fmap.dal.store.jdbc2.OperationsFactory.TableReference; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.SRSSolver; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.operations.FetchFeatureTypeOperation; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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@SuppressWarnings("UseSpecificCatch") |
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public class H2SpatialFetchFeatureTypeOperation extends FetchFeatureTypeOperation { |
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private static Map<String,GeometryType>h2spatialGeometryTypes = null; |
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private Map<String,GeometryColumnInfo> geometry_column; |
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private static class GeometryColumnInfo { |
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public String columnName; |
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public int geometryType; |
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public String geometryTypeName; |
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public int dimensions; |
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public int srid; |
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public GeometryColumnInfo(String columnName, int geometryType, String geometryTypeName, int dimensions, int srid) { |
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this.columnName = columnName;
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this.geometryType = geometryType;
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this.geometryTypeName = geometryTypeName;
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this.dimensions = dimensions;
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this.srid = srid;
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} |
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} |
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public H2SpatialFetchFeatureTypeOperation(
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JDBCHelper helper |
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) { |
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super(helper);
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} |
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private GeometryType getGT(
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GeometryManager manager, |
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int type,
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int subtype
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) { |
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try {
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return manager.getGeometryType(type, subtype);
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} catch (Exception ex) { |
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return null; |
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} |
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} |
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public H2SpatialFetchFeatureTypeOperation(
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JDBCHelper helper, |
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EditableFeatureType featureType, |
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TableReference table, |
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List<String> primaryKeys, |
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String defaultGeometryColumn,
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IProjection crs |
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) { |
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super(helper, featureType, table, primaryKeys, defaultGeometryColumn, crs);
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} |
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private GeometryColumnInfo getGeometryColumnInfo(String name) { |
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if( geometry_column==null ) { |
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geometry_column = new HashMap<>(); |
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try {
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//
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// https://github.com/orbisgis/h2gis/wiki/1.-Spatial-data#geometry-columns-view
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//
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StringBuilder where = null; |
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if( table.hasDatabase() ) {
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if( where == null ) { |
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where = new StringBuilder(); |
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} else {
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where.append(" AND ");
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} |
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where.append("UPPER(F_TABLE_CATALOG) = '");
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where.append(table.getDatabase().toUpperCase()); |
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where.append("'");
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} |
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if( table.hasSchema()) {
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if( where == null ) { |
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where = new StringBuilder(); |
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} else {
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where.append(" AND ");
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} |
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where.append("UPPER(F_TABLE_SCHEMA) = '");
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where.append(table.getSchema().toUpperCase()); |
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where.append("'");
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} |
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if( table.hasTable()) {
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if( where == null ) { |
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where = new StringBuilder(); |
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} else {
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where.append(" AND ");
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} |
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where.append("UPPER(F_TABLE_NAME) = '");
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where.append(table.getTable().toUpperCase()); |
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where.append("'");
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} |
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String sql = "SELECT F_GEOMETRY_COLUMN, GEOMETRY_TYPE, COORD_DIMENSION, SRID, TYPE FROM GEOMETRY_COLUMNS WHERE " + where; |
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Statement st = this.getConnection().createStatement(); |
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ResultSet rs = JDBCUtils.executeQuery(st,sql);
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while( rs.next() ) {
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geometry_column.put( |
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rs.getString("F_GEOMETRY_COLUMN"),
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new GeometryColumnInfo(
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rs.getString("F_GEOMETRY_COLUMN"),
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rs.getInt("GEOMETRY_TYPE"),
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rs.getString("TYPE"),
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rs.getInt("COORD_DIMENSION"),
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rs.getInt("SRID")
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) |
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); |
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} |
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} catch (SQLException | AccessResourceException ex) { |
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LOGGER.warn("Can't read metadata from table '"+table+"'.",ex); |
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} |
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} |
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return this.geometry_column.get(name); |
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} |
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@Override
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public void fetch(EditableFeatureType featureType, Connection conn, TableReference table, List<String> pks, String defaultGeometryColumn, IProjection crs) throws DataException { |
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super.fetch(featureType, conn, table, pks, defaultGeometryColumn, crs);
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} |
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@Override
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protected void fetchGeometryTypeAndSRS( |
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EditableFeatureAttributeDescriptor attr, |
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ResultSetMetaData rsMetadata,
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int colIndex
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) { |
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try {
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if( attr.getType()==DataTypes.GEOMETRY ) {
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GeometryColumnInfo column_info = this.getGeometryColumnInfo(attr.getName());
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String type = "GEOMETRY"; |
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if( column_info!=null ) { |
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// H2GIS solo soporte 2D y 3D no soporta Ms
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if( column_info.dimensions==3 ) { |
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type = column_info.geometryTypeName+"Z";
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} else {
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type = column_info.geometryTypeName; |
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} |
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SRSSolver solver = this.helper.getSRSSolver();
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attr.setSRS( |
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solver.getProjection(getConnection(), column_info.srid) |
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); |
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} |
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GeometryType gt = getGeometryTypeFromH2SpatialType(type); |
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if( gt != null ) { |
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attr.setGeometryType(gt); |
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} |
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} |
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} catch(Exception ex) { |
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throw new RuntimeException("Can't fetch geometry type and SRS.", ex); |
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} |
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} |
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private GeometryType getGeometryTypeFromH2SpatialType(String typeName) { |
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if( h2spatialGeometryTypes==null ) { |
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//
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// https://github.com/orbisgis/h2gis/wiki/1.-Spatial-data#geometry-columns-view
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//
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GeometryManager manager = GeometryLocator.getGeometryManager(); |
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h2spatialGeometryTypes = new HashMap<>(); |
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h2spatialGeometryTypes.put("POINT", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("POINTZ", getGT(manager, Geometry.TYPES.POINT,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("LINESTRING", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("LINESTRINGZ", getGT(manager, Geometry.TYPES.LINE,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("POLYGON", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("POLYGONZ", getGT(manager, Geometry.TYPES.POLYGON,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("MULTIPOINT", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("MULTIPOINTZ", getGT(manager, Geometry.TYPES.MULTIPOINT,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("MULTILINESTRING", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("MULTILINESTRINGZ", getGT(manager, Geometry.TYPES.MULTILINE,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("MULTIPOLYGON", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("MULTIPOLYGONZ", getGT(manager, Geometry.TYPES.MULTIPOLYGON,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("GEOMETRY", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("GEOMETRYZ", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM3D));
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h2spatialGeometryTypes.put("GEOMCOLLECTION", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM2D));
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h2spatialGeometryTypes.put("GEOMCOLLECTIONZ", getGT(manager, Geometry.TYPES.GEOMETRY,Geometry.SUBTYPES.GEOM3D));
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} |
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return h2spatialGeometryTypes.get(typeName);
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} |
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@Override
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protected String getSQLToRetrievePrimaryKeysFromInformationSchema( |
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String catalog,
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String schema,
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String table
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) throws SQLException { |
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JDBCSQLBuilderBase sqlbuilder = this.createSQLBuilder();
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ExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.select().column().name("COLUMN_LIST");
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sqlbuilder.select().column().name("CONSTRAINT_TYPE");
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sqlbuilder.select().from().table().schema("INFORMATION_SCHEMA").name("CONSTRAINTS"); |
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sqlbuilder.select().where().set( |
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expbuilder.like( |
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expbuilder.column("TABLE_NAME"),
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expbuilder.constant(table) |
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) |
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); |
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if (schema != null) { |
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sqlbuilder.select().where().and( |
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expbuilder.like( |
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expbuilder.column("TABLE_SCHEMA"),
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expbuilder.constant(schema) |
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) |
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); |
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} |
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if (catalog != null) { |
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sqlbuilder.select().where().and( |
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expbuilder.like( |
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expbuilder.column("CONSTRAINT_CATALOG"),
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expbuilder.constant(catalog) |
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) |
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); |
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} |
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sqlbuilder.select().where().and( |
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expbuilder.eq( |
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expbuilder.column("CONSTRAINT_TYPE"),
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expbuilder.constant("PRIMARY KEY")
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) |
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); |
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return sqlbuilder.toString();
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} |
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} |