Revision 44727 trunk/org.gvsig.desktop/org.gvsig.desktop.compat.cdc/org.gvsig.fmap.dal/org.gvsig.fmap.dal.db/org.gvsig.fmap.dal.db.jdbc/src/main/java/org/gvsig/fmap/dal/store/jdbc2/spi/operations/CountOperation.java
| CountOperation.java | ||
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.sql.Statement; |
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import java.util.List; |
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import org.apache.commons.lang3.StringUtils; |
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import org.gvsig.expressionevaluator.ExpressionBuilder; |
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import org.gvsig.fmap.dal.SQLBuilder.SelectBuilder; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.FeatureQuery; |
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import org.gvsig.fmap.dal.feature.FeatureQueryOrder; |
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import org.gvsig.fmap.dal.feature.FeatureType; |
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import org.gvsig.fmap.dal.store.jdbc2.JDBCHelper; |
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import org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase; |
| ... | ... | |
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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 static org.gvsig.fmap.dal.store.jdbc2.spi.JDBCSQLBuilderBase.PROP_TABLE; |
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import org.gvsig.tools.evaluator.Evaluator; |
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public class CountOperation extends AbstractConnectionOperation {
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private final TableReference table; |
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private final String baseFilter; |
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private final String filter;
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private final FeatureQuery query;
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private final FeatureType featureType; |
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|
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public CountOperation( |
| ... | ... | |
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FeatureType featureType, |
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TableReference table, |
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String baseFilter, |
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String filter
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FeatureQuery query
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) {
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super(helper); |
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this.featureType = featureType; |
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this.table = table; |
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this.baseFilter = baseFilter; |
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this.filter = filter;
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this.query = query;
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} |
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|
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@Override |
| ... | ... | |
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JDBCSQLBuilderBase sqlbuilder = this.createSQLBuilder(); |
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ExpressionBuilder expbuilder = sqlbuilder.expression(); |
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sqlbuilder.select().column().value(sqlbuilder.count().all()); |
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sqlbuilder.select().from().table() |
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.database(this.table.getDatabase()) |
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.schema(this.table.getSchema()) |
|
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.name(this.table.getTable()); |
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sqlbuilder.select().from().subquery(this.table.getSubquery()); |
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if (!StringUtils.isEmpty(baseFilter)) {
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sqlbuilder.select().where().set( expbuilder.custom(baseFilter) ); |
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SelectBuilder select = sqlbuilder.select(); |
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|
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if( this.query!=null && this.query.hasGroupByColumns() ) {
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JDBCSQLBuilderBase subsqlbuilder = this.createSQLBuilder(); |
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SelectBuilder subselect = subsqlbuilder.select(); |
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subselect.column().value(subsqlbuilder.count().all()); |
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subselect.from().table() |
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.database(this.table.getDatabase()) |
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.schema(this.table.getSchema()) |
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.name(this.table.getTable()); |
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subselect.from().subquery(this.table.getSubquery()); |
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Evaluator filter = query==null? null:query.getFilter(); |
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if( filter != null ) {
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String sqlfilter = filter.getSQL(); |
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if( ! StringUtils.isEmpty(sqlfilter) ) {
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if( this.helper.supportFilter(this.featureType, filter) ) {
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subselect.where().set(expbuilder.toValue(sqlfilter)); |
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} |
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} |
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} |
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if( ! StringUtils.isEmpty(baseFilter) ) {
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subselect.where().and(expbuilder.toValue(baseFilter)); |
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} |
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|
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FeatureQueryOrder order = query==null? null:query.getOrder(); |
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if( order != null ) {
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for( FeatureQueryOrder.FeatureQueryOrderMember member : order.members() ) {
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if( member.hasEvaluator() ) {
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String sqlorder = member.getEvaluator().getSQL(); |
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if( ! StringUtils.isEmpty(sqlorder) ) {
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subselect.order_by().custom(sqlorder); |
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} |
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} else {
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subselect.order_by() |
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.column(member.getAttributeName()) |
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.ascending(member.getAscending()); |
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} |
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} |
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} |
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|
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List<String> groupbyColumns = query==null? null:query.getGroupByColumns(); |
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if( groupbyColumns!=null && !groupbyColumns.isEmpty() ) {
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for(String columnName : groupbyColumns ) {
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subselect.group_by(expbuilder.column(columnName)); |
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} |
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} |
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subsqlbuilder.setProperties( |
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ExpressionBuilder.Variable.class, |
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PROP_TABLE, table |
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); |
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String subsql = subselect.toString(); |
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select.from().table() |
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.database(this.table.getDatabase()) |
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.schema(this.table.getSchema()) |
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.name(this.table.getTable()); |
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select.from().subquery(subsql); |
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} else {
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select.column().value(sqlbuilder.count().all()); |
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select.from().table() |
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.database(this.table.getDatabase()) |
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.schema(this.table.getSchema()) |
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.name(this.table.getTable()); |
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select.from().subquery(this.table.getSubquery()); |
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if (!StringUtils.isEmpty(baseFilter)) {
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sqlbuilder.select().where().set( expbuilder.custom(baseFilter) ); |
|
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} |
|
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if( this.query!=null ) {
|
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if( this.query.getFilter()!=null && !StringUtils.isBlank(this.query.getFilter().getSQL()) ) {
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// El and() hace un set() si no hay un filtro previo |
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select.where().and(expbuilder.toValue(this.query.getFilter().getSQL())); |
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} |
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} |
|
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} |
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if (!StringUtils.isEmpty(filter)) {
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// El and() hace un set() si no hay un filtro previo |
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sqlbuilder.select().where().and(expbuilder.toValue(filter)); |
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} |
|
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this.helper.replaceForeingValueFunction(sqlbuilder, featureType, null); |
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|
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sqlbuilder.select().remove_all_columns();
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sqlbuilder.select().column().value(sqlbuilder.count().all());
|
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select.remove_all_columns();
|
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select.column().value(sqlbuilder.count().all());
|
|
| 71 | 138 |
|
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sqlbuilder.setProperties( |
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ExpressionBuilder.Variable.class, |
| 74 | 141 |
PROP_TABLE, table |
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); |
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String sql = sqlbuilder.select().toString(); |
|
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|
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String sql = select.toString(); |
|
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return sql; |
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} |
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Also available in: Unified diff