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 / H2SpatialSQLBuilder.java @ 44198
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package org.gvsig.fmap.dal.store.h2; |
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import java.sql.PreparedStatement; |
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import java.sql.SQLException; |
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import java.text.MessageFormat; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.List; |
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import org.apache.commons.lang3.tuple.Pair; |
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import org.gvsig.expressionevaluator.ExpressionBuilder.Parameter; |
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import org.gvsig.expressionevaluator.Formatter; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.feature.spi.FeatureProvider; |
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import org.gvsig.fmap.dal.store.h2.expressionbuilderformatter.H2SpatialFormatter; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.tools.dispose.Disposable; |
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public class H2SpatialSQLBuilder extends JDBCSQLBuilderBase { |
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protected Formatter formatter = null; |
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public H2SpatialSQLBuilder(H2SpatialHelper helper) {
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super(helper);
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//
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// H2/H2GIS SQL functions reference list
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//
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// http://www.h2database.com/html/functions.html
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// http://www.h2gis.org/docs/1.3/functions/
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//
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// http://www.h2database.com/html/grammar.html
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//
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// http://www.h2database.com/html/datatypes.html
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//
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//
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this.defaultSchema = ""; |
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this.supportSchemas = false; |
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this.allowAutomaticValues = true; |
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this.geometrySupportType = this.helper.getGeometrySupportType(); |
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this.hasSpatialFunctions = this.helper.hasSpatialFunctions(); |
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this.STMT_DELETE_GEOMETRY_COLUMN_FROM_TABLE_schema_table = null; |
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this.STMT_DELETE_GEOMETRY_COLUMN_FROM_TABLE_table = null; |
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this.STMT_UPDATE_TABLE_STATISTICS_table = "ANALYZE SAMPLE_SIZE 0"; |
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// config.set(SQLConfig.ST_AsBinary, "NVL2({0}, ST_AsBinary({0}), null)");
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this.type_boolean = "BOOLEAN"; |
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this.type_byte = "TINYINT"; |
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this.type_bytearray = "TINYINT"; |
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this.type_geometry = "GEOMETRY"; |
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this.type_char = "CHAR"; |
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this.type_date = "DATE"; |
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this.type_double = "DOUBLE"; |
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this.type_numeric_p = "DECIMAL({0})"; |
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this.type_numeric_ps = "DECIMAL({0},{1})"; |
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this.type_bigdecimal = "DOUBLE"; |
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this.type_float = "REAL"; |
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this.type_int = "INTEGER"; |
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this.type_long = "BIGINT"; |
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this.type_string = "VARCHAR"; |
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this.type_string_p = "VARCHAR({0})"; |
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this.type_time = "TIME"; |
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this.type_timestamp = "TIMESTAMP"; |
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this.type_version = "VARCHAR"; |
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this.type_URI = "VARCHAR"; |
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this.type_URL = "VARCHAR"; |
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this.type_FILE = "VARCHAR"; |
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this.type_FOLDER = "VARCHAR"; |
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} |
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@Override
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protected Formatter formatter() { |
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if( this.formatter==null ) { |
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this.formatter = new H2SpatialFormatter(this); |
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} |
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return this.formatter; |
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} |
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public class H2SpatialTableNameBuilderBase extends TableNameBuilderBase { |
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@Override
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public boolean has_schema() { |
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return false; |
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} |
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@Override
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public boolean has_database() { |
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return false; |
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} |
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} |
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public class H2SpatialCreateIndexBuilder extends CreateIndexBuilderBase { |
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@Override
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public List<String> toStrings(Formatter formatter) { |
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StringBuilder builder = new StringBuilder(); |
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builder.append("CREATE ");
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if( this.isUnique ) { |
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builder.append("UNIQUE ");
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} |
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if( this.isSpatial ) { |
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builder.append("SPATIAL ");
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} |
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builder.append("INDEX ");
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if( this.ifNotExist ) { |
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builder.append("IF NOT EXISTS ");
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} |
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builder.append(as_identifier(this.indexName));
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builder.append(" ON ");
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builder.append(this.table.toString(formatter));
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builder.append(" ( ");
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boolean is_first_column = true; |
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for( String column : this.columns) { |
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if( is_first_column ) {
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is_first_column = false;
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} else {
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builder.append(", ");
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} |
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builder.append(as_identifier(column)); |
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} |
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builder.append(" )");
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List<String> sqls = new ArrayList<>(); |
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sqls.add(builder.toString()); |
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return sqls;
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} |
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} |
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protected class H2SpatialAlterTableBuilderBase extends AlterTableBuilderBase { |
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@Override
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public List<String> toStrings(Formatter formatter) { |
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List<String> sqls = new ArrayList<>(); |
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if( this.isEmpty() ) { |
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return sqls;
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} |
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for (String column : drops) { |
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StringBuilder builder = new StringBuilder(); |
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builder.append("ALTER TABLE ");
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builder.append(this.table.toString(formatter));
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builder.append(" DROP COLUMN IF EXISTS ");
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builder.append(as_identifier(column)); |
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sqls.add(builder.toString()); |
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} |
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for (ColumnDescriptor column : adds) {
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StringBuilder builder = new StringBuilder(); |
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builder.append("ALTER TABLE ");
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builder.append(this.table.toString(formatter));
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builder.append(" ADD COLUMN ");
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builder.append(as_identifier(column.getName())); |
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builder.append(" ");
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if( column.getType() == DataTypes.INT && column.isAutomatic() ) {
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builder.append(" SERIAL");
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} else {
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builder.append( |
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sqltype( |
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column.getType(), |
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column.getPrecision(), |
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column.getSize(), |
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column.getGeometryType(), |
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column.getGeometrySubtype() |
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) |
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); |
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} |
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if (column.getDefaultValue() == null) { |
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if (column.allowNulls()) {
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builder.append(" DEFAULT NULL");
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} |
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} else {
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builder.append(" DEFAULT '");
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builder.append(column.getDefaultValue().toString()); |
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builder.append("'");
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} |
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if (column.allowNulls()) {
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builder.append(" NULL");
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} else {
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builder.append(" NOT NULL");
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} |
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if (column.isPrimaryKey()) {
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builder.append(" PRIMARY KEY");
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} |
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sqls.add(builder.toString()); |
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if( column.isGeometry() ) {
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String sql;
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String constraint_name = "constraint_" + this.table().getName() + "_" + column.getName()+"_dim"; |
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sql = MessageFormat.format(
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"ALTER TABLE \"{0}\" ADD CONSTRAINT IF NOT EXISTS \"{1}\" CHECK ST_CoordDim(\"{2}\") = {3}",
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this.table().getName(),
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constraint_name, |
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column.getName(), |
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sqlgeometrynumdimension(column.getGeometryType(),column.getGeometrySubtype()) |
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); |
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sqls.add(sql); |
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} |
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} |
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for (ColumnDescriptor column : alters) {
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StringBuilder builder = new StringBuilder(); |
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builder.append("ALTER TABLE ");
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builder.append(this.table.toString(formatter));
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builder.append(" ALTER COLUMN ");
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builder.append(as_identifier(column.getName())); |
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builder.append(" ");
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builder.append( |
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sqltype( |
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column.getType(), |
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column.getPrecision(), |
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column.getSize(), |
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column.getGeometryType(), |
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column.getGeometrySubtype() |
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) |
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); |
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if (column.getDefaultValue() == null) { |
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if (column.allowNulls()) {
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builder.append(" DEFAULT NULL");
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} |
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} else {
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builder.append(" DEFAULT '");
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builder.append(column.getDefaultValue().toString()); |
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builder.append("'");
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} |
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if( column.isAutomatic() ) {
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builder.append(" AUTO_INCREMENT");
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} |
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sqls.add(builder.toString()); |
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if( column.isGeometry() ) {
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String sql;
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String constraint_name = "constraint_" + this.table().getName() + "_" + column.getName()+"_dim"; |
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sql = MessageFormat.format(
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"ALTER TABLE \"{0}\" ADD CONSTRAINT IF NOT EXISTS \"{1}\" CHECK ST_CoordDim(\"{2}\") = {3}",
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this.table().getName(),
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constraint_name, |
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column.getName(), |
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sqlgeometrynumdimension(column.getGeometryType(),column.getGeometrySubtype()) |
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); |
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sqls.add(sql); |
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} |
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} |
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for (Pair<String,String> pair : renames) { |
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StringBuilder builder = new StringBuilder(); |
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builder.append("ALTER TABLE ");
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builder.append(this.table.toString(formatter));
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builder.append(" RENAME COLUMN ");
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builder.append(as_identifier(pair.getLeft())); |
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builder.append(" TO ");
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builder.append(as_identifier(pair.getRight())); |
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sqls.add(builder.toString()); |
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} |
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return sqls;
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} |
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} |
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protected class H2SpatialCreateTableBuilder extends CreateTableBuilderBase { |
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@Override
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public List<String> toStrings(Formatter formatter) { |
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List<String> sqls = new ArrayList<>(); |
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StringBuilder builder = new StringBuilder(); |
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builder.append("CREATE TABLE ");
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builder.append(this.table.toString(formatter));
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builder.append(" (");
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boolean first = true; |
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for (ColumnDescriptor column : columns) {
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if (first) {
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first = false;
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} else {
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builder.append(", ");
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} |
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builder.append(as_identifier(column.getName())); |
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builder.append(" ");
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builder.append( |
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sqltype( |
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column.getType(), |
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column.getPrecision(), |
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column.getSize(), |
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column.getGeometryType(), |
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column.getGeometrySubtype() |
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) |
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); |
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if( !column.isGeometry() ) {
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if (column.isPrimaryKey()) {
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builder.append(" PRIMARY KEY");
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} |
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if( column.isAutomatic() ) {
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builder.append(" AUTO_INCREMENT");
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} |
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if (column.getDefaultValue() == null) { |
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if (column.allowNulls()) {
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builder.append(" DEFAULT NULL");
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} |
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} else {
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if( column.getType() == DataTypes.DATE ) {
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builder.append(" DEFAULT ( TIMESTAMP '");
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Date d = (Date) column.getDefaultValue(); |
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builder.append(MessageFormat.format( "{0,date,yyyy-MM-dd HH:mm:ss.S}",d)); |
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builder.append("' )");
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} else {
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builder.append(" DEFAULT '");
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builder.append(column.getDefaultValue().toString()); |
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builder.append("'");
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} |
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} |
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} |
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if (!column.allowNulls()) {
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builder.append(" NOT NULL");
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} |
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} |
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builder.append(" )");
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sqls.add(builder.toString()); |
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for (ColumnDescriptor column : columns) {
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if( column.isGeometry() ) {
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String sql;
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String constraint_name = "constraint_" + this.table().getName() + "_" + column.getName()+"_dim"; |
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sql = MessageFormat.format(
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"ALTER TABLE \"{0}\" ADD CONSTRAINT IF NOT EXISTS \"{1}\" CHECK ST_CoordDim(\"{2}\") = {3}",
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this.table().getName(),
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constraint_name, |
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column.getName(), |
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sqlgeometrynumdimension(column.getGeometryType(),column.getGeometrySubtype()) |
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); |
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if( column.getGeometrySRSId()!=null ) { |
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String sql2;
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String constraint_name2 = "constraint_" + this.table().getName() + "_" + column.getName()+"_srid"; |
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sql2 = MessageFormat.format(
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"ALTER TABLE \"{0}\" ADD CONSTRAINT IF NOT EXISTS \"{1}\" CHECK ST_SRID(\"{2}\") = {3,number,#####}",
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this.table().getName(),
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constraint_name2, |
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column.getName(), |
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column.getGeometrySRSId() |
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); |
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sqls.add(sql2); |
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} |
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sqls.add(sql); |
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} |
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} |
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return sqls;
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} |
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} |
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public class H2SpatialSelectBuilderBase extends SelectBuilderBase { |
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@Override
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protected boolean isValid(StringBuilder message) { |
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if( message == null ) { |
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message = new StringBuilder(); |
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} |
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if( this.has_offset() && !this.has_order_by() ) { |
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// Algunos gestores de BBDD requieren que se especifique un
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// orden para poder usar OFFSET. Como eso parece buena idea para
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// asegurar que siempre tengamos los mismo resultados, lo exijimos
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// siempre.
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message.append("Can't use OFFSET without an ORDER BY.");
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return false; |
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} |
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return true; |
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} |
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@Override
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public String toString(Formatter formatter) { |
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StringBuilder builder = new StringBuilder(); |
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if( !isValid(builder) ) {
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throw new IllegalStateException(builder.toString()); |
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} |
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builder.append("SELECT ");
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if( this.distinct ) { |
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builder.append("DISTINCT ");
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} |
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boolean first = true; |
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for (SelectColumnBuilder column : columns) {
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if (first) {
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first = false;
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} else {
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builder.append(", ");
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} |
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builder.append(column.toString(formatter)); |
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} |
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if ( this.has_from() ) { |
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builder.append(" FROM ");
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builder.append(this.from.toString(formatter));
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} |
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if ( this.has_where() ) { |
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builder.append(" WHERE ");
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builder.append(this.where.toString(formatter));
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} |
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if( this.has_order_by() ) { |
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builder.append(" ORDER BY ");
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first = true;
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for (OrderByBuilder item : this.order_by) { |
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if (first) {
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first = false;
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} else {
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builder.append(", ");
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} |
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builder.append(item.toString(formatter)); |
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} |
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} |
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if ( this.has_limit() && this.has_offset() ) { |
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builder.append(" LIMIT ");
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builder.append(this.limit);
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builder.append(" OFFSET ");
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builder.append(this.offset);
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} else if ( this.has_limit()) { |
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builder.append(" LIMIT ");
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builder.append(this.limit);
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} else if ( this.has_offset() ) { |
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builder.append(" LIMIT -1 OFFSET ");
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builder.append(this.offset);
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} |
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return builder.toString();
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} |
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} |
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@Override
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public Object sqlgeometrydimension(int type, int subtype) { |
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//'XY' or 2: 2D points, identified by X and Y coordinates
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//'XYM': 2D points, identified by X and Y coordinates. Each point stores an M-value (measure) as well
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//'XYZ' or 3: 3D points, identified by X, Y and Z coordinates
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//'XYZM' or 4: 3D points, identified by X, Y and Z coordinates. Each point stores an M-value (measure) as well
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switch(subtype) {
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case Geometry.SUBTYPES.GEOM2D:
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default:
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return "XY"; |
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case Geometry.SUBTYPES.GEOM2DM:
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return "XYM"; |
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case Geometry.SUBTYPES.GEOM3D:
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return "XYZ"; |
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case Geometry.SUBTYPES.GEOM3DM:
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return "XYZM"; |
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} |
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} |
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|
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@Override
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public String sqltype(int type, int p, int s, int geomtype, int geomSubtype) { |
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if( type!=DataTypes.GEOMETRY ) {
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return super.sqltype(type, p, s, geomtype, geomSubtype); |
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} |
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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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switch(geomtype) {
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case Geometry.TYPES.POINT:
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return "POINT"; |
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case Geometry.TYPES.MULTIPOINT:
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return "MULTIPOINT"; |
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case Geometry.TYPES.LINE:
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return "LINESTRING"; |
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case Geometry.TYPES.MULTILINE:
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return "MULTILINESTRING"; |
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case Geometry.TYPES.POLYGON:
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return "POLYGON"; |
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case Geometry.TYPES.MULTIPOLYGON:
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return "MULTIPOLYGON"; |
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default:
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return "GEOMETRY"; |
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} |
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} |
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|
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public Object sqlgeometrynumdimension(int type, int subtype) { |
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int dimensions=2; |
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switch(subtype) {
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case Geometry.SUBTYPES.GEOM3D:
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dimensions = 3;
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break;
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case Geometry.SUBTYPES.GEOM2D:
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dimensions = 2;
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break;
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case Geometry.SUBTYPES.GEOM2DM:
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dimensions = 2; // ?????? |
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break;
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case Geometry.SUBTYPES.GEOM3DM:
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dimensions = 3; // ?????? |
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break;
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} |
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return dimensions;
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| 495 |
} |
| 496 |
|
| 497 |
@Override
|
| 498 |
public H2SpatialHelper getHelper() {
|
| 499 |
return (H2SpatialHelper) this.helper; |
| 500 |
} |
| 501 |
|
| 502 |
@Override
|
| 503 |
public Disposable setParameters(PreparedStatement st, FeatureProvider feature) { |
| 504 |
try {
|
| 505 |
FeatureType featureType = feature.getType(); |
| 506 |
List<Object> values = new ArrayList<>(); |
| 507 |
for (Parameter parameter : this.parameters()) { |
| 508 |
if (parameter.is_constant()) {
|
| 509 |
values.add(parameter.value()); |
| 510 |
} else {
|
| 511 |
String name = parameter.name();
|
| 512 |
FeatureAttributeDescriptor descriptor = featureType.getAttributeDescriptor(name); |
| 513 |
switch( descriptor.getType() ) {
|
| 514 |
case DataTypes.DATE:
|
| 515 |
Date value = (Date)(feature.get(name)); |
| 516 |
if( value == null ) { |
| 517 |
values.add(null);
|
| 518 |
} else {
|
| 519 |
values.add(value.getTime()); |
| 520 |
} |
| 521 |
break;
|
| 522 |
case DataTypes.GEOMETRY:
|
| 523 |
Geometry geom = this.forceGeometryType(
|
| 524 |
descriptor.getGeomType(), |
| 525 |
(Geometry)(feature.get(name)) |
| 526 |
); |
| 527 |
values.add(geom); |
| 528 |
break;
|
| 529 |
default:
|
| 530 |
values.add(feature.get(name)); |
| 531 |
break;
|
| 532 |
} |
| 533 |
} |
| 534 |
} |
| 535 |
return this.setStatementParameters(st, values, this.geometry_support_type()); |
| 536 |
} catch (SQLException | CreateGeometryException ex) { |
| 537 |
String f = "unknow"; |
| 538 |
try {
|
| 539 |
f = feature.toString(); |
| 540 |
} catch (Exception ex2) { |
| 541 |
// Do nothing
|
| 542 |
} |
| 543 |
throw new RuntimeException("Can't set parameters to prepared statement from the feature (" + f + ")", ex); |
| 544 |
} |
| 545 |
} |
| 546 |
|
| 547 |
@Override
|
| 548 |
protected AlterTableBuilder createAlterTableBuilder() {
|
| 549 |
return new H2SpatialAlterTableBuilderBase(); |
| 550 |
} |
| 551 |
|
| 552 |
@Override
|
| 553 |
protected TableNameBuilder createTableNameBuilder() {
|
| 554 |
return new H2SpatialTableNameBuilderBase(); |
| 555 |
} |
| 556 |
|
| 557 |
@Override
|
| 558 |
protected CreateTableBuilder createCreateTableBuilder() {
|
| 559 |
return new H2SpatialCreateTableBuilder(); |
| 560 |
} |
| 561 |
|
| 562 |
@Override
|
| 563 |
protected SelectBuilder createSelectBuilder() {
|
| 564 |
return new H2SpatialSelectBuilderBase(); |
| 565 |
} |
| 566 |
|
| 567 |
@Override
|
| 568 |
protected CreateIndexBuilder createCreateIndexBuilder() {
|
| 569 |
return new H2SpatialCreateIndexBuilder(); |
| 570 |
} |
| 571 |
|
| 572 |
} |