Package org.openrdf.sail.rdbms.algebra

Examples of org.openrdf.sail.rdbms.algebra.ColumnVar

172
173
174
175
176
177
178
179
180
181
  @Override
  public void meet(LongLabelColumn node)
    throws RuntimeException
  {
    ColumnVar var = node.getRdbmsVar();
    String alias = "ll" + getDBName(var);
    String tableName = literals.getLongLabelTable().getName();
    join(var, alias, tableName);
  }
View Full Code Here
182
183
184
185
186
187
188
189
190
191
  @Override
  public void meet(LanguageColumn node)
    throws RuntimeException
  {
    ColumnVar var = node.getRdbmsVar();
    String alias = "g" + getDBName(var);
    String tableName = literals.getLanguageTable().getName();
    join(var, alias, tableName);
  }
View Full Code Here
192
193
194
195
196
197
198
199
200
201
  @Override
  public void meet(NumericColumn node)
    throws RuntimeException
  {
    ColumnVar var = node.getRdbmsVar();
    String alias = "n" + getDBName(var);
    String tableName = literals.getNumericTable().getName();
    join(var, alias, tableName);
  }
View Full Code Here
202
203
204
205
206
207
208
209
210
211
  @Override
  public void meet(LongURIColumn node)
    throws RuntimeException
  {
    ColumnVar var = node.getRdbmsVar();
    String alias = "lu" + getDBName(var);
    String tableName = uris.getLongTableName();
    join(var, alias, tableName);
  }
View Full Code Here
212
213
214
215
216
217
218
219
220
221
  @Override
  public void meet(URIColumn node)
    throws RuntimeException
  {
    ColumnVar var = node.getRdbmsVar();
    String alias = "u" + getDBName(var);
    String tableName = uris.getShortTableName();
    join(var, alias, tableName);
  }
View Full Code Here
288
289
290
291
292
293
294
295
296
297
298
299
300
301
    catch (SQLException e) {
      throw new RdbmsException(e);
    }
    JoinItem from = new JoinItem(alias, tableName, predId);

    ColumnVar s = createSubj(alias, subjVar, (Resource)subjValue);
    ColumnVar p = createPred(alias, predVar, (URI)predValue, !present);
    ColumnVar o = createObj(alias, objVar, objValue);
    ColumnVar c = createCtx(alias, ctxVar, (Resource)ctxValue);

    s.setTypes(tables.getSubjTypes(predId));
    o.setTypes(tables.getObjTypes(predId));

    SelectQuery query = new SelectQuery();
View Full Code Here
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
    Map<String, ColumnVar> lvars = left.getVarMap();
    Map<String, ColumnVar> rvars = right.getVarMap();
    Set<String> names = new HashSet<String>(rvars.keySet());
    names.retainAll(lvars.keySet());
    for (String name : names) {
      ColumnVar l = lvars.get(name);
      ColumnVar r = rvars.get(name);
      if (!l.isImplied() && !r.isImplied()) {
        IdColumn rid = new IdColumn(r);
        SqlExpr filter = eq(rid, new IdColumn(l));
        if (r.isNullable()) {
          filter = or(isNull(rid), filter);
        }
        right.addFilter(filter);
      }
    }
View Full Code Here
551
552
553
554
555
556
557
558
559
560
561
562
563
  private void mergeSelectClause(SelectQuery left, SelectQuery right) {
    for (SelectProjection proj : right.getSqlSelectVar()) {
      if (!left.hasSqlSelectVar(proj)) {
        proj = proj.clone();
        ColumnVar var = proj.getVar();
        String name = var.getName();
        ColumnVar existing = left.getVar(name);
        if (existing != null) {
          proj.setVar(existing);
        }
        left.addSqlSelectVar(proj);
      }
View Full Code Here
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
        bindings.addBinding(name, var.getValue());
      }
    }
    int index = 0;
    for (SelectProjection proj : qb.getSqlSelectVar()) {
      ColumnVar var = proj.getVar();
      String name = qb.getBindingName(var);
      if (!var.isHidden() && !bindings.hasBinding(name)) {
        var.setIndex(index);
        query.select(proj.getId());
        query.select(proj.getStringValue());
        index += 2;
        if (var.getTypes().isLiterals()) {
          query.select(proj.getLanguage());
          query.select(proj.getDatatype());
          index += 2;
        }
      }
View Full Code Here
79
80
81
82
83
84
85
86
87
88
89
90
  @Override
  public void meet(BNodeColumn node)
    throws RuntimeException
  {
    ColumnVar var = replaceVar(node);
    if (var == null)
      return;
    if (!var.getTypes().isBNodes()) {
      node.replaceWith(new SqlNull());
    }
  }
View Full Code Here
TOP

Related Classes of org.openrdf.sail.rdbms.algebra.ColumnVar

  • org.openrdf.sail.rdbms.algebra.base.FromItem
  • org.openrdf.sail.rdbms.evaluation.QueryBuilder
  • org.openrdf.sail.rdbms.evaluation.RdbmsEvaluation
  • org.openrdf.sail.rdbms.optimizers.SelectQueryOptimizer
  • org.openrdf.sail.rdbms.optimizers.ValueJoinOptimizer
  • org.openrdf.sail.rdbms.optimizers.VarColumnLookupOptimizer
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.