gvsig-mssqlserver / trunk / org.gvsig.mssqlserver / org.gvsig.mssqlserver.provider / src / main / java / org / gvsig / mssqlserver / dal / MSSQLServerSQLBuilder.java @ 148
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package org.gvsig.mssqlserver.dal; |
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import java.text.MessageFormat; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DataTypes; |
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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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public class MSSQLServerSQLBuilder extends JDBCSQLBuilderBase { |
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public interface MSSQLServerSQLConfig extends SQLConfig { |
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public static final String ST_GeomFromTextEx = "ST_GeomFromTextEx"; |
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public static final String ST_GeomFromWKBEx = "ST_GeomFromWKBEx"; |
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public static final String ST_GeomFromEWKBEx = "ST_GeomFromEWKBEx"; |
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public static final String ST_ExtentAggregateEx = "ST_ExtentAggregateEx"; |
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public static final String ST_UnionAggregateEx = "ST_UnionAggregateEx"; |
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} |
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public MSSQLServerSQLBuilder(MSSQLServerHelper helper) {
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super(helper);
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config.set(SQLConfig.default_schema, "dbo");
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config.set(SQLConfig.allowAutomaticValues, true);
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config.set(SQLConfig.geometry_type_support, helper.getGeometrySupportType()); |
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config.set(SQLConfig.has_spatial_functions, helper.hasSpatialFunctions()); |
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config.remove_functionality(SQLConfig.DELETE_GEOMETRY_COLUMN_FROM_TABLE_schema_table); |
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config.remove_functionality(SQLConfig.DELETE_GEOMETRY_COLUMN_FROM_TABLE_table); |
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config.set(SQLConfig.UPDATE_TABLE_STATISTICS_table,"UPDATE STATISTICS {0}");
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config.set(SQLConfig.type_bytearray, "VARARRAY");
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config.set(SQLConfig.type_geometry, "GEOMETRY");
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config.set(SQLConfig.ST_AsText, "({0}).STAsText()");
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config.set(SQLConfig.ST_AsBinary, "({0}).STAsBinary()");
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config.set(SQLConfig.ST_AsEWKB, "({0}).STAsBinary()");
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config.set(SQLConfig.ST_ExtentAggregate, "geometry::EnvelopeAggregate({0})");
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config.set(SQLConfig.ST_UnionAggregate, "geometry::UnionAggregate({0})");
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config.set(SQLConfig.ST_Contains, "({0}).STContains({1})");
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config.set(SQLConfig.ST_Crosses, "({0}).STCrosses({1})");
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config.set(SQLConfig.ST_Disjoint, "({0}).STDisjoint({1})");
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config.set(SQLConfig.ST_Equals, "({0}).STEquals({1})");
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config.set(SQLConfig.ST_IsClosed, "({0}).STIsClosed()");
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config.set(SQLConfig.ST_Overlaps, "({0}).STOverlaps({1})");
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config.set(SQLConfig.ST_Touches, "({0}).STTouches({1})");
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config.set(SQLConfig.ST_Within, "({0}).STWithin ({1})");
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config.set(SQLConfig.ST_Envelope, "({0}).STEnvelope()");
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config.set(SQLConfig.ST_Intersects, "({0}).STIntersects({1})");
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config.set(SQLConfig.ST_GeomFromText, "geometry::STGeomFromText({0}, {1})");
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config.set(SQLConfig.ST_GeomFromWKB, "geometry::STGeomFromWKB({0}, {1})");
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config.set(SQLConfig.ST_GeomFromEWKB, "geometry::STGeomFromWKB({0}, {1})");
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config.set(SQLConfig.ST_Simplify, "({0}).Reduce({1})");
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config.set(SQLConfig.lcase, "LOWER({0})");
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config.set(SQLConfig.ucase, "UPPER({0})");
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config.set(SQLConfig.operator_ILIKE, "LOWER({0}) LIKE LOWER({1})");
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config.set(MSSQLServerSQLConfig.ST_ExtentAggregateEx, "{1}::EnvelopeAggregate({0})");
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config.set(MSSQLServerSQLConfig.ST_UnionAggregateEx, "{1}::UnionAggregate({0})");
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config.set(MSSQLServerSQLConfig.ST_GeomFromTextEx, "{2}::STGeomFromText({0}, {1})");
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config.set(MSSQLServerSQLConfig.ST_GeomFromWKBEx, "{2}::STGeomFromWKB({0}, {1})");
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config.set(MSSQLServerSQLConfig.ST_GeomFromEWKBEx, "{2}::STGeomFromWKB({0}, {1})");
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} |
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@Override
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public MSSQLServerSQLConfig getConfig() {
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return (MSSQLServerSQLConfig) super.config; |
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} |
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public MSSQLServerHelper getHelper() {
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return (MSSQLServerHelper) helper;
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} |
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public class MSSQLServerParameter extends ParameterBase { |
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public MSSQLServerParameter() {
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super();
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} |
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@Override
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public String toString() { |
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if( this.type == ParameterType.Geometry ) { |
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String spatialType = getHelper().getSpatialType(this.getName()); |
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switch( config.getGeometryTypeSupport() ) {
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case EWKB:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromEWKBEx), |
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"?",
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String.valueOf(this.srs.toString()), |
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custom(spatialType) |
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); |
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case NATIVE:
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case WKB:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromWKBEx), |
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"?",
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String.valueOf(this.srs.toString()), |
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custom(spatialType) |
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); |
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case WKT:
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default:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromTextEx), |
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"?",
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String.valueOf(this.srs.toString()), |
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custom(spatialType) |
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); |
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} |
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} |
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return super.toString(); |
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} |
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} |
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public class MSSQLServerGeometryValue extends GeometryValueBase { |
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public MSSQLServerGeometryValue(Geometry geometry, IProjection projection) {
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super(geometry, projection);
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} |
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@Override
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public String toString() { |
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try {
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String spatialType = getHelper().getSpatialType();
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switch( config.getGeometryTypeSupport() ) {
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case EWKB:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromEWKBEx), |
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bytearray(this.geometry.convertToEWKB()),
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String.valueOf(getSRSId(this.projection)), |
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custom(spatialType) |
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); |
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case NATIVE:
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case WKB:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromWKBEx), |
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bytearray(this.geometry.convertToWKB()),
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String.valueOf(getSRSId(this.projection)), |
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custom(spatialType) |
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); |
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case WKT:
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default:
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return MessageFormat.format( |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromTextEx), |
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string(this.geometry.convertToWKT()),
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String.valueOf(getSRSId(this.projection)), |
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custom(spatialType) |
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); |
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} |
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} catch (Exception ex) { |
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throw new RuntimeException("Can't convert geometry to string.",ex); |
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} |
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} |
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} |
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protected class MSSQLServerSelectBuilder extends SelectBuilderBase { |
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@Override
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public String toString() { |
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// MSSQLServer usa TOP en lugar de LIMIT y la sintaxis para OFFSET
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// es ligeramente distinta de la que hay en SelectBuilderBase
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StringBuilder builder = new StringBuilder(); |
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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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if (this.has_limit() && !this.has_offset() ) { |
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builder.append("TOP ");
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builder.append(this.limit);
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builder.append(" ");
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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()); |
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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());
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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());
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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()); |
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} |
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} |
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if (this.has_offset()) { |
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// Require SQLSeerver >= 2012
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builder.append(" OFFSET ");
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builder.append(this.offset);
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builder.append(" ROWS");
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if( this.has_limit() ) { |
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builder.append(" FETCH NEXT ");
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builder.append(this.limit);
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builder.append(" ROWS ONLY ");
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} |
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} |
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return builder.toString();
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} |
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} |
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protected class MSSQLServerCreateTableBuilder extends CreateTableBuilderBase { |
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@Override
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public List<String> toStrings() { |
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//
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// Respecto al base cambia la declaracion de campo automaticos
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// SQLServer usa IDENTITY en lugar de SERIAL.
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//
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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());
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builder.append(" (");
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boolean first = true; |
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for (ColumnDescriptorBuilder 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(identifier(column.getName())); |
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builder.append(" ");
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if( column.isAutomatic() && column.getType() == DataTypes.INT ) {
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builder.append("INT");
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builder.append(" IDENTITY(1,1)");
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} else if( column.isAutomatic() && column.getType() == DataTypes.LONG ) { |
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builder.append("BIGINT");
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builder.append(" IDENTITY(1,1)");
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} else {
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builder.append(sqltype(column.getType(), column.getPrecision(), column.getSize())); |
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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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} |
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builder.append(" )");
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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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@Override
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protected SelectBuilder createSelectBuilder() {
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return new MSSQLServerSelectBuilder(); |
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} |
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@Override
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protected CreateTableBuilder createCreateTableBuilder() {
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return new MSSQLServerCreateTableBuilder(); |
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} |
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@Override
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public String identifier(String id) { |
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// En SQLServer se aceptan las comillas dobles pero se prefiere
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// corchetes [xx]. Asi que si hay comillas dobles las quitamos
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// y ponemos los corchetes.
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String quote = config.getString(Config.quote_for_identifiers);
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if (id.startsWith(quote)) {
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id = id.substring(1, id.length()-1); |
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} else if( id.startsWith("[") ) { |
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return id;
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} |
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if( id.contains("(") ) { |
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logger.warn("Suspicious use of 'identifier' in sql.");
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} |
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return "[" + id + "]"; |
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} |
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@Override
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public GeometryValue geometry(Geometry geom, IProjection projection) {
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return new MSSQLServerGeometryValue(geom, projection); |
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} |
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@Override
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public Parameter parameter() {
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return new MSSQLServerParameter(); |
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} |
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@Override
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public Function ST_ExtentAggregate(Value geom) {
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String spatialType = getHelper().getSpatialType();
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return function("ST_ExtentAggregate", |
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config.getString(MSSQLServerSQLConfig.ST_ExtentAggregateEx), |
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geom, |
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custom(spatialType) |
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); |
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} |
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@Override
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public Function ST_UnionAggregate(Value geom) {
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String spatialType = getHelper().getSpatialType();
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return function("ST_UnionAggregate", |
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config.getString(MSSQLServerSQLConfig.ST_UnionAggregateEx), |
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geom, |
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custom(spatialType) |
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); |
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} |
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@Override
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public Function ST_GeomFromText(Value geom, Value crs) {
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String spatialType = getHelper().getSpatialType();
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return function("ST_GeomFromText", |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromTextEx), |
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geom, |
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crs, |
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custom(spatialType) |
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); |
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} |
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@Override
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public Function ST_GeomFromWKB(Value geom, Value crs) {
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String spatialType = getHelper().getSpatialType();
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return function("ST_GeomFromWKB", |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromWKBEx), |
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geom, |
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crs, |
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custom(spatialType) |
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); |
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} |
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@Override
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public Function ST_GeomFromEWKB(Value geom, Value crs) {
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String spatialType = getHelper().getSpatialType();
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return function("ST_GeomFromEWKB", |
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config.getString(MSSQLServerSQLConfig.ST_GeomFromEWKBEx), |
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geom, |
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crs, |
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custom(spatialType) |
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); |
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} |
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} |