Package com.hp.hpl.jena.sdb.core.sqlnode

Examples of com.hp.hpl.jena.sdb.core.sqlnode.SqlTable

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                // Should be a column mentioned in the SELECT which is not mentioned in this block
                continue ;
            }
            SqlColumn vCol = e.getColumn() ;
   
            SqlTable table = vCol.getTable() ;
            String sqlVarName = allocSqlName(v) ;
           
            // Need to allocate aliases because otherwise we need to access
            // "table.column" as a label and "." is illegal in a label
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        SqlColumn c1 = e1.getColumn() ;
        // Not in scope -- add a table to get it
        TableDescNodes nodeTableDesc = request.getStore().getNodeTableDesc() ;
       
        String tableAlias = request.genId(NodeBase) ;
        SqlTable nTable = new SqlTable(tableAlias, nodeTableDesc.getTableName()) ;
        String nodeKeyColName = nodeTableDesc.getNodeRefColName() ;
        SqlColumn c2 = new SqlColumn(nTable, nodeKeyColName) ;

        nTable.setValueColumnForVar(var, c2) ;
        // Condition for value: triple table column = node table id/hash
        nTable.addNote("Var: "+var) ;

        SqlExpr cond = new S_Equal(c1, c2) ;
        SqlNode n = SqlBuilder.leftJoin(request, sqlNode, nTable, cond) ;
        return n ;
    }
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    public TupleTable(Store store, TableDesc desc)
    {
        this.store = store ;
        this.desc = desc ;
        sqlTable = new SqlTable(desc.getTableName(), desc.getTableName()) ;
        vars = new ArrayList<Var>() ;
        for (String colName : Iter.iter(desc.colNames()) )
        {
            Var var = Var.alloc(colName) ;
            vars.add(var) ;
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            throw new SDBInternalError("OpDatasetNames - not a variable: "+g) ;
        Var v = Var.alloc(g) ;

        // Inner SELECT SQL: (SELECT DISTINCT g FROM Quads)
        TableDescQuads quads = request.getStore().getQuadTableDesc() ;
        SqlTable sqlTableQ = new SqlTable(quads.getTableName()) ;
        sqlTableQ.setIdColumnForVar(v, new SqlColumn(sqlTableQ, quads.getGraphColName())) ;
        SqlNode sqlNodeQ = SqlSelectBlock.distinct(request, sqlTableQ) ;
       
        // Will have the value left join added later.
        return new OpSQL(sqlNodeQ, opDatasetNames, request) ;
    }
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        {
            tableDesc = request.getStore().getQuadTableDesc() ;
            alias = request.genId(AliasesSql.QuadTableBase) ;
        }
       
        SqlTable table = new SqlTable(alias, tableDesc.getTableName()) ;
        if ( accessStoredDefaultGraph )
            table.addNote(FmtUtils.stringForTriple(quad.asTriple(), request.getPrefixMapping())) ;
        else
            table.addNote(FmtUtils.stringForQuad(quad, request.getPrefixMapping())) ;

        // Only constrain the G column
        // IF there is a graph column (so it's not the triples table)
        // AND if we are not unioning the named graphs.
       
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                // Should be a column mentioned in the SELECT which is not mentioned in this block
                continue ;
            }
            SqlColumn vCol = e.getColumn() ;
   
            SqlTable table = vCol.getTable() ;
            String sqlVarName = allocSqlName(v) ;
           
            // Need to allocate aliases because otherwise we need to access
            // "table.column" as a label and "." is illegal in a label
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        SqlColumn c1 = e1.getColumn() ;
        // Not in scope -- add a table to get it
        TableDescNodes nodeTableDesc = request.getStore().getNodeTableDesc() ;
       
        String tableAlias = request.genId(NodeBase) ;
        SqlTable nTable = new SqlTable(tableAlias, nodeTableDesc.getTableName()) ;
        String nodeKeyColName = nodeTableDesc.getNodeRefColName() ;
        SqlColumn c2 = new SqlColumn(nTable, nodeKeyColName) ;

        nTable.setValueColumnForVar(var, c2) ;
        // Condition for value: triple table column = node table id/hash
        nTable.addNote("Var: "+var) ;

        SqlExpr cond = new S_Equal(c1, c2) ;
        SqlNode n = SqlBuilder.leftJoin(request, sqlNode, nTable, cond) ;
        return n ;
    }
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        }

        @Override
        public SqlNode build(SDBRequest request, SlotCompiler slotCompiler)
        {
            SqlTable sqlTable = new SqlTable("ALIAS", "TABLE") ;
           
            SqlExprList conditions = new SqlExprList() ;
           
            if ( ! Quad.isDefaultGraphGenerated(graphNode) )
                log.error("Not the default graph in SqlStagePTable.build") ;
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        {
            long hash = NodeLayout2.hash(n);
            SqlConstant hashValue = new SqlConstant(hash) ;

            // Access nodes table.
            SqlTable nTable = new SqlTable(getRequest().genId(NodeConstBase),
                                           nodeTableDesc.getTableName()) ;
           
            nTable.addNote("Const: "+FmtUtils.stringForNode(n, getRequest().getPrefixMapping())) ;
            SqlColumn cHash = new SqlColumn(nTable, nodeTableDesc.getHashColName()) ;
            // Record
            constantCols.put(n, new SqlColumn(nTable, nodeTableDesc.getIdColName())) ;
            SqlExpr c = new S_Equal(cHash, hashValue) ;
            sqlNode = SqlBuilder.innerJoin(getRequest(), sqlNode, nTable) ;
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        {
            tableDesc = request.getStore().getQuadTableDesc() ;
            alias = request.genId(AliasesSql.QuadTableBase) ;
        }
       
        SqlTable table = new SqlTable(alias, tableDesc.getTableName()) ;
        if ( accessStoredDefaultGraph )
            table.addNote(FmtUtils.stringForTriple(quad.asTriple(), request.getPrefixMapping())) ;
        else
            table.addNote(FmtUtils.stringForQuad(quad, request.getPrefixMapping())) ;

        // Only constrain the G column
        // IF there is a graph column (so it's not the triples table)
        // AND if we are not unioning the named graphs.
       
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Related Classes of com.hp.hpl.jena.sdb.core.sqlnode.SqlTable

  • com.hp.hpl.jena.sdb.compiler.PatternTable$SqlStagePatternTable
  • com.hp.hpl.jena.sdb.compiler.SqlStageBasicQuad
  • com.hp.hpl.jena.sdb.compiler.TransformSDB
  • com.hp.hpl.jena.sdb.core.ScopeBase
  • com.hp.hpl.jena.sdb.layout2.index.SlotCompilerIndex
  • com.hp.hpl.jena.sdb.layout2.SQLBridge2
  • com.hp.hpl.jena.sdb.store.TupleTable
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