Examples of Qualifier

org.apache.derby.iapi.store.access.Qualifier
clauses qualifier[0][0] = a qualifier[0][1] = b qualifier[0][2] = c Example 1a "a AND b AND c" - less efficient than example 1 but legal qualifier = new Qualifier[3]; // 3 AND clauses qualifier[0] = new Qualifier[1]; qualifier[1] = new Qualifier[1]; qualifier[2] = new Qualifier[1]; qualifier[0][0] = a qualifier[1][0] = b qualifier[2][0] = c Example 2: "(f) AND (a OR b) AND (c OR d OR e)" Would be represented by an array that looks like the following: qualifier = new Qualifier[3]; // 3 and clauses qualifier[0] = new Qualifier[1]; // to be intitialized to f qualifier[1] = new Qualifier[2]; // to be initialized to (a OR b) qualifier[2] = new Qualifier[3]; // to be initialized to (c OR d OR e) qualifier[0][0] = f qualifier[1][0] = a qualifier[1][1] = b qualifier[2][0] = c qualifier[2][1] = d qualifier[2][2] = e Example 3: "(a OR b) AND (c OR d) AND (e OR f)" qualifier = new Qualifier[4]; // 4 and clauses qualifier[0] = new Qualifier[1]; // to be intitialized to TRUE qualifier[1] = new Qualifier[2]; // to be initialized to (a OR b) qualifier[2] = new Qualifier[2]; // to be initialized to (c OR d) qualifier[3] = new Qualifier[2]; // to be initialized to (e OR f) qualifier[0][0] = TRUE qualifier[1][0] = a qualifier[1][1] = b qualifier[2][0] = c qualifier[2][1] = d qualifier[3][0] = e qualifier[3][1] = f Example 4: "(a OR b)" qualifier = new Qualifier[2]; // 2 and clauses qualifier[0] = new Qualifier[0]; // 0 length array is TRUE qualifier[1] = new Qualifier[2]; // to be initialized to (a OR b) qualifier[1][0] = a qualifier[1][1] = b @see ScanController @see DataValueDescriptor#compare
org.apache.tuscany.sca.policy.Qualifier
A qualifier provides a list of policies for a qualified intent within the IntentMap
org.oasisopen.sca.annotation.Qualifier
org.qi4j.api.service.qualifier.Qualifier
org.rhq.core.system.pquery.Conditional.Qualifier
org.springframework.beans.factory.annotation.Qualifier
org.vanb.qualifier
A representation of the model object 'qualifier'.
The following features are supported:
- {@link org.vanb.qualifier#getEx Ex}
@see org.vanb.VanbPackage#getqualifier() @model @generated
systole.processor.Qualifier
@author juan

Examples of org.apache.derby.iapi.store.access.Qualifier

            // process each AND clause 


            row_qualifies = false;


            // Apply one qualifier to the row.
            Qualifier q      = qual_list[0][i];
            int       col_id = q.getColumnId();


            if (SanityManager.DEBUG)
            {
                SanityManager.ASSERT(
                    (col_id < row.length),
                    "Qualifier is referencing a column not in the row.");
            }


            // materialize the column object if we haven't done it yet.
            if (materializedCols[col_id] == 0)
            {
                // materialize just this column from the row, no qualifiers
                readOneColumnFromPage(
                    row, 
                    col_id,
                    offset_to_row_data,
                    recordHeader,
                    recordToLock);


                // mark offset, indicating the row has been read in.
                //
                // RESOLVE (mikem) - right now value of entry is useless, it
                // is an int so that in the future we could cache the offset
                // to fields to improve performance of getting to a column 
                // after qualifying.
                materializedCols[col_id] = offset_to_row_data;
            }


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.


            if (SanityManager.DEBUG)
            {
                if (row[col_id] == null)
                    SanityManager.THROWASSERT(
                        "1:row = " + RowUtil.toString(row) +
                        "row.length = " + row.length +
                        ";q.getColumnId() = " + q.getColumnId());
            }


            // do the compare between the column value and value in the
            // qualifier.
            row_qualifies = 
                ((DataValueDescriptor) row[col_id]).compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // Now process the Subsequent OR clause's, beginning with qual_list[1]


        for (int and_idx = 1; and_idx < qual_list.length; and_idx++)
        {
            // loop through each of the "and" clause.


            row_qualifies = false;


            for (int or_idx = 0; or_idx < qual_list[and_idx].length; or_idx++)
            {
                // Apply one qualifier to the row.
                Qualifier q      = qual_list[and_idx][or_idx];
                int       col_id = q.getColumnId();


                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(
                        (col_id < row.length),
                        "Qualifier is referencing a column not in the row.");
                }


                // materialize the column object if we haven't done it yet.
                if (materializedCols[col_id] == 0)
                {
                    // materialize just this column from the row, no qualifiers
                    readOneColumnFromPage(
                        row, 
                        col_id,
                        offset_to_row_data,
                        recordHeader,
                        recordToLock);


                    // mark offset, indicating the row has been read in.
                    //
                    // RESOLVE (mikem) - right now value of entry is useless, it
                    // is an int so that in the future we could cache the offset
                    // to fields to improve performance of getting to a column 
                    // after qualifying.
                    materializedCols[col_id] = offset_to_row_data;
                }


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.


                if (SanityManager.DEBUG)
                {
                    if (row[col_id] == null)
                        SanityManager.THROWASSERT(
                            "1:row = " + RowUtil.toString(row) +
                            "row.length = " + row.length +
                            ";q.getColumnId() = " + q.getColumnId());
                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    ((DataValueDescriptor) row[col_id]).compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());




                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "processing qual[" + and_idx + "][" + or_idx + "] = " + qual_list[and_idx][or_idx] );


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "value = " + row_qualifies);

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Examples of org.apache.derby.iapi.store.access.Qualifier

    protected boolean process_qualifier(
    DataValueDescriptor[]     row) 
        throws StandardException
    {
        boolean     row_qualifies = true;
        Qualifier   q;


        // Process the 2-d qualifier which is structured as follows:
        //
        // A two dimensional array is to be used to pass around a AND's and OR's
        // in conjunctive normal form (CNF).  The top slot of the 2 dimensional
        // array is optimized for the more frequent where no OR's are present.  
        // The first array slot is always a list of AND's to be treated as 
        // described above for single dimensional AND qualifier arrays.  The 
        // subsequent slots are to be treated as AND'd arrays or OR's.  Thus 
        // the 2 dimensional array qual[][] argument is to be treated as the 
        // following, note if qual.length = 1 then only the first array is 
        // valid and // it is and an array of and clauses:
        //
        // (qual[0][0] and qual[0][0] ... and qual[0][qual[0].length - 1])
        // and
        // (qual[1][0] or  qual[1][1] ... or  qual[1][qual[1].length - 1])
        // and
        // (qual[2][0] or  qual[2][1] ... or  qual[2][qual[2].length - 1])
        // ...
        // and
        // (qual[qual.length - 1][0] or  qual[1][1] ... or  qual[1][2])


        // First do the qual[0] which is an array of qualifer terms.


        if (SanityManager.DEBUG)
        {
            // routine should not be called if there is no qualifier
            SanityManager.ASSERT(this.init_qualifier != null);
            SanityManager.ASSERT(this.init_qualifier.length > 0);
        }


        for (int i = 0; i < this.init_qualifier[0].length; i++)
        {
            // process each AND clause 


            row_qualifies = false;


            // process each OR clause.


            q = this.init_qualifier[0][i];


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // all the qual[0] and terms passed, now process the OR clauses


        for (int and_idx = 1; and_idx < this.init_qualifier.length; and_idx++)
        {
            // process each AND clause 


            row_qualifies = false;


            if (SanityManager.DEBUG)
            {
                // Each OR clause must be non-empty.
                SanityManager.ASSERT(this.init_qualifier[and_idx].length > 0);
            }


            for (int or_idx = 0; 
                 or_idx < this.init_qualifier[and_idx].length; or_idx++)
            {
                // process each OR clause.


                q = this.init_qualifier[and_idx][or_idx];


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.
                DataValueDescriptor columnValue = row[q.getColumnId()];


                row_qualifies =
                    columnValue.compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());


                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // once one OR qualifies the entire clause is TRUE
                if (row_qualifies)
                    break;

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Examples of org.apache.derby.iapi.store.access.Qualifier

  protected void clearOrderableCache(Qualifier[][] qualifiers) throws StandardException
  {
    // Clear the Qualifiers's Orderable cache 
    if (qualifiers != null)
    {
      Qualifier qual;
      for (int term = 0; term < qualifiers.length; term++)
      {
        for (int index = 0; index < qualifiers[term].length; index++)
        {
          qual = qualifiers[term][index];
          qual.clearOrderableCache();
          /* beetle 4880 performance enhancement and avoid deadlock while pushing
           * down method call to store: pre-evaluate.
           */
          if (((GenericQualifier) qual).variantType != Qualifier.VARIANT)
            qual.getOrderable();    // ignore return value
        }
      }
    }
  }

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Examples of org.apache.derby.iapi.store.access.Qualifier


        for (int term = 0; term < qualifiers.length; term++)
        {
            for (int i = 0; i < qualifiers[term].length; i++)
            {
                Qualifier qual = qualifiers[term][i];


                output = idt + output +
                    MessageService.getTextMessage(
                        SQLState.LANG_COLUMN_ID_ARRAY,
                            String.valueOf(term), String.valueOf(i)) +
                        ": " + qual.getColumnId() + "\n";
                    
                int operator = qual.getOperator();
                String opString = null;
                switch (operator)
                {
                  case Orderable.ORDER_OP_EQUALS:
                    opString = "=";
                    break;


                  case Orderable.ORDER_OP_LESSOREQUALS:
                    opString = "<=";
                    break;


                  case Orderable.ORDER_OP_LESSTHAN:
                    opString = "<";
                    break;


                  default:
                    if (SanityManager.DEBUG)
                    {
                        SanityManager.THROWASSERT("Unknown operator " + operator);
                    }


                    // NOTE: This does not have to be internationalized, because
                    // this code should never be reached.
                    opString = "unknown value (" + operator + ")";
                    break;
                }
                output = output +
                    idt + MessageService.getTextMessage(SQLState.LANG_OPERATOR) +
                            ": " + opString + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_ORDERED_NULLS) +
                        ": " + qual.getOrderedNulls() + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_UNKNOWN_RETURN_VALUE) +
                        ": " + qual.getUnknownRV() + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_NEGATE_COMPARISON_RESULT) +
                        ": " + qual.negateCompareResult() + "\n";
            }
        }


    return output;
  }

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Examples of org.apache.derby.iapi.store.access.Qualifier


            row_qualifies = false;


            // process each OR clause.


            Qualifier q = qual_list[0][i];


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // all the qual[0] and terms passed, now process the OR clauses


        for (int and_idx = 1; and_idx < qual_list.length; and_idx++)
        {
            // loop through each of the "and" clause.


            row_qualifies = false;


            if (SanityManager.DEBUG)
            {
                // Each OR clause must be non-empty.
                SanityManager.ASSERT(qual_list[and_idx].length > 0);
            }


            for (int or_idx = 0; or_idx < qual_list[and_idx].length; or_idx++)
            {
                // Apply one qualifier to the row.
                Qualifier q      = qual_list[and_idx][or_idx];
                int       col_id = q.getColumnId();


                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(
                        (col_id < row.length),
                        "Qualifier is referencing a column not in the row.");
                }


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.
                DataValueDescriptor columnValue = 
                    (DataValueDescriptor) row[q.getColumnId()];


                if (SanityManager.DEBUG)
                {
                    if (columnValue == null)
                        SanityManager.THROWASSERT(
                            "1:row = " + RowUtil.toString(row) +
                            "row.length = " + row.length +
                            ";q.getColumnId() = " + q.getColumnId());
                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    columnValue.compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());


                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "processing qual[" + and_idx + "][" + or_idx + "] = " + qual_list[and_idx][or_idx] );


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "value = " + row_qualifies);

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Examples of org.apache.derby.iapi.store.access.Qualifier

            // process each AND clause 


            row_qualifies = false;


            // Apply one qualifier to the row.
            Qualifier q      = qual_list[0][i];
            int       col_id = q.getColumnId();


            if (SanityManager.DEBUG)
            {
                SanityManager.ASSERT(
                    (col_id < row.length),
                    "Qualifier is referencing a column not in the row.");
            }


            // materialize the column object if we haven't done it yet.
            if (materializedCols[col_id] == 0)
            {
                // materialize just this column from the row, no qualifiers
                readOneColumnFromPage(
                    row, 
                    col_id,
                    offset_to_row_data,
                    recordHeader,
                    recordToLock);


                // mark offset, indicating the row has been read in.
                //
                // RESOLVE (mikem) - right now value of entry is useless, it
                // is an int so that in the future we could cache the offset
                // to fields to improve performance of getting to a column 
                // after qualifying.
                materializedCols[col_id] = offset_to_row_data;
            }


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.


            if (SanityManager.DEBUG)
            {
                if (row[col_id] == null)
                    SanityManager.THROWASSERT(
                        "1:row = " + RowUtil.toString(row) +
                        "row.length = " + row.length +
                        ";q.getColumnId() = " + q.getColumnId());
            }


            // do the compare between the column value and value in the
            // qualifier.
            row_qualifies = 
                ((DataValueDescriptor) row[col_id]).compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // Now process the Subsequent OR clause's, beginning with qual_list[1]


        for (int and_idx = 1; and_idx < qual_list.length; and_idx++)
        {
            // loop through each of the "and" clause.


            row_qualifies = false;


            for (int or_idx = 0; or_idx < qual_list[and_idx].length; or_idx++)
            {
                // Apply one qualifier to the row.
                Qualifier q      = qual_list[and_idx][or_idx];
                int       col_id = q.getColumnId();


                if (SanityManager.DEBUG)
                {
                    SanityManager.ASSERT(
                        (col_id < row.length),
                        "Qualifier is referencing a column not in the row.");
                }


                // materialize the column object if we haven't done it yet.
                if (materializedCols[col_id] == 0)
                {
                    // materialize just this column from the row, no qualifiers
                    readOneColumnFromPage(
                        row, 
                        col_id,
                        offset_to_row_data,
                        recordHeader,
                        recordToLock);


                    // mark offset, indicating the row has been read in.
                    //
                    // RESOLVE (mikem) - right now value of entry is useless, it
                    // is an int so that in the future we could cache the offset
                    // to fields to improve performance of getting to a column 
                    // after qualifying.
                    materializedCols[col_id] = offset_to_row_data;
                }


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.


                if (SanityManager.DEBUG)
                {
                    if (row[col_id] == null)
                        SanityManager.THROWASSERT(
                            "1:row = " + RowUtil.toString(row) +
                            "row.length = " + row.length +
                            ";q.getColumnId() = " + q.getColumnId());
                }


                // do the compare between the column value and value in the
                // qualifier.
                row_qualifies = 
                    ((DataValueDescriptor) row[col_id]).compare(
                            q.getOperator(),
                            q.getOrderable(),
                            q.getOrderedNulls(),
                            q.getUnknownRV());




                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "processing qual[" + and_idx + "][" + or_idx + "] = " + qual_list[and_idx][or_idx] );


                // SanityManager.DEBUG_PRINT("StoredPage.qual", "value = " + row_qualifies);

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Examples of org.apache.derby.iapi.store.access.Qualifier

    protected boolean process_qualifier(
    DataValueDescriptor[]     row) 
        throws StandardException
    {
        boolean     row_qualifies = true;
        Qualifier   q;


        // Process the 2-d qualifier which is structured as follows:
        //
        // A two dimensional array is to be used to pass around a AND's and OR's
        // in conjunctive normal form (CNF).  The top slot of the 2 dimensional
        // array is optimized for the more frequent where no OR's are present.  
        // The first array slot is always a list of AND's to be treated as 
        // described above for single dimensional AND qualifier arrays.  The 
        // subsequent slots are to be treated as AND'd arrays or OR's.  Thus 
        // the 2 dimensional array qual[][] argument is to be treated as the 
        // following, note if qual.length = 1 then only the first array is 
        // valid and // it is and an array of and clauses:
        //
        // (qual[0][0] and qual[0][0] ... and qual[0][qual[0].length - 1])
        // and
        // (qual[1][0] or  qual[1][1] ... or  qual[1][qual[1].length - 1])
        // and
        // (qual[2][0] or  qual[2][1] ... or  qual[2][qual[2].length - 1])
        // ...
        // and
        // (qual[qual.length - 1][0] or  qual[1][1] ... or  qual[1][2])


        // First do the qual[0] which is an array of qualifer terms.


        if (SanityManager.DEBUG)
        {
            // routine should not be called if there is no qualifier
            SanityManager.ASSERT(this.init_qualifier != null);
            SanityManager.ASSERT(this.init_qualifier.length > 0);
        }


        for (int i = 0; i < this.init_qualifier[0].length; i++)
        {
            // process each AND clause 


            row_qualifies = false;


            // process each OR clause.


            q = this.init_qualifier[0][i];


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // all the qual[0] and terms passed, now process the OR clauses


        for (int and_idx = 1; and_idx < this.init_qualifier.length; and_idx++)
        {
            // process each AND clause 


            row_qualifies = false;


            if (SanityManager.DEBUG)
            {
                // Each OR clause must be non-empty.
                SanityManager.ASSERT(this.init_qualifier[and_idx].length > 0);
            }


            for (int or_idx = 0; 
                 or_idx < this.init_qualifier[and_idx].length; or_idx++)
            {
                // process each OR clause.


                q = this.init_qualifier[and_idx][or_idx];


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.
                DataValueDescriptor columnValue = row[q.getColumnId()];


                row_qualifies =
                    columnValue.compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());


                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // once one OR qualifies the entire clause is TRUE
                if (row_qualifies)
                    break;

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Examples of org.apache.derby.iapi.store.access.Qualifier

    protected boolean process_qualifier(
    DataValueDescriptor[]     row) 
        throws StandardException
    {
        boolean     row_qualifies = true;
        Qualifier   q;


        // Process the 2-d qualifier which is structured as follows:
        //
        // A two dimensional array is to be used to pass around a AND's and OR's
        // in conjunctive normal form (CNF).  The top slot of the 2 dimensional
        // array is optimized for the more frequent where no OR's are present.  
        // The first array slot is always a list of AND's to be treated as 
        // described above for single dimensional AND qualifier arrays.  The 
        // subsequent slots are to be treated as AND'd arrays or OR's.  Thus 
        // the 2 dimensional array qual[][] argument is to be treated as the 
        // following, note if qual.length = 1 then only the first array is 
        // valid and // it is and an array of and clauses:
        //
        // (qual[0][0] and qual[0][0] ... and qual[0][qual[0].length - 1])
        // and
        // (qual[1][0] or  qual[1][1] ... or  qual[1][qual[1].length - 1])
        // and
        // (qual[2][0] or  qual[2][1] ... or  qual[2][qual[2].length - 1])
        // ...
        // and
        // (qual[qual.length - 1][0] or  qual[1][1] ... or  qual[1][2])


        // First do the qual[0] which is an array of qualifer terms.


        if (SanityManager.DEBUG)
        {
            // routine should not be called if there is no qualifier
            SanityManager.ASSERT(this.init_qualifier != null);
            SanityManager.ASSERT(this.init_qualifier.length > 0);
        }


        for (int i = 0; i < this.init_qualifier[0].length; i++)
        {
            // process each AND clause 


            row_qualifies = false;


            // process each OR clause.


            q = this.init_qualifier[0][i];


            // Get the column from the possibly partial row, of the 
            // q.getColumnId()'th column in the full row.
            DataValueDescriptor columnValue = row[q.getColumnId()];


            row_qualifies =
                columnValue.compare(
                    q.getOperator(),
                    q.getOrderable(),
                    q.getOrderedNulls(),
                    q.getUnknownRV());


            if (q.negateCompareResult())
                row_qualifies = !row_qualifies;


            // Once an AND fails the whole Qualification fails - do a return!
            if (!row_qualifies)
                return(false);
        }


        // all the qual[0] and terms passed, now process the OR clauses


        for (int and_idx = 1; and_idx < this.init_qualifier.length; and_idx++)
        {
            // process each AND clause 


            row_qualifies = false;


            if (SanityManager.DEBUG)
            {
                // Each OR clause must be non-empty.
                SanityManager.ASSERT(this.init_qualifier[and_idx].length > 0);
            }


            for (int or_idx = 0; 
                 or_idx < this.init_qualifier[and_idx].length; or_idx++)
            {
                // process each OR clause.


                q = this.init_qualifier[and_idx][or_idx];


                // Get the column from the possibly partial row, of the 
                // q.getColumnId()'th column in the full row.
                DataValueDescriptor columnValue = row[q.getColumnId()];


                row_qualifies =
                    columnValue.compare(
                        q.getOperator(),
                        q.getOrderable(),
                        q.getOrderedNulls(),
                        q.getUnknownRV());


                if (q.negateCompareResult())
                    row_qualifies = !row_qualifies;


                // once one OR qualifies the entire clause is TRUE
                if (row_qualifies)
                    break;

View Full Code Here

Examples of org.apache.derby.iapi.store.access.Qualifier

  protected void clearOrderableCache(Qualifier[][] qualifiers) throws StandardException
  {
    // Clear the Qualifiers's Orderable cache 
    if (qualifiers != null)
    {
      Qualifier qual;
      for (int term = 0; term < qualifiers.length; term++)
      {
        for (int index = 0; index < qualifiers[term].length; index++)
        {
          qual = qualifiers[term][index];
          qual.clearOrderableCache();
          /* beetle 4880 performance enhancement and avoid deadlock while pushing
           * down method call to store: pre-evaluate.
           */
          if (((GenericQualifier) qual).variantType != Qualifier.VARIANT)
            qual.getOrderable();    // ignore return value
        }
      }
    }
  }

View Full Code Here

Examples of org.apache.derby.iapi.store.access.Qualifier


        for (int term = 0; term < qualifiers.length; term++)
        {
            for (int i = 0; i < qualifiers[term].length; i++)
            {
                Qualifier qual = qualifiers[term][i];


                output = idt + output +
                    MessageService.getTextMessage(
                        SQLState.LANG_COLUMN_ID_ARRAY,
                            String.valueOf(term), String.valueOf(i)) +
                        ": " + qual.getColumnId() + "\n";
                    
                int operator = qual.getOperator();
                String opString = null;
                switch (operator)
                {
                  case Orderable.ORDER_OP_EQUALS:
                    opString = "=";
                    break;


                  case Orderable.ORDER_OP_LESSOREQUALS:
                    opString = "<=";
                    break;


                  case Orderable.ORDER_OP_LESSTHAN:
                    opString = "<";
                    break;


                  default:
                    if (SanityManager.DEBUG)
                    {
                        SanityManager.THROWASSERT("Unknown operator " + operator);
                    }


                    // NOTE: This does not have to be internationalized, because
                    // this code should never be reached.
                    opString = "unknown value (" + operator + ")";
                    break;
                }
                output = output +
                    idt + MessageService.getTextMessage(SQLState.LANG_OPERATOR) +
                            ": " + opString + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_ORDERED_NULLS) +
                        ": " + qual.getOrderedNulls() + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_UNKNOWN_RETURN_VALUE) +
                        ": " + qual.getUnknownRV() + "\n" +
                    idt +
                        MessageService.getTextMessage(
                            SQLState.LANG_NEGATE_COMPARISON_RESULT) +
                        ": " + qual.negateCompareResult() + "\n";
            }
        }


    return output;
  }

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