List of columnRequiresDefer() Examples

Examples of columnRequiresDefer()

org.apache.derby.vti.DeferModification.columnRequiresDefer()
This method is called during preparation of an update or delete statement on the virtual table if getResultSetType() returns ResultSet.TYPE_SCROLL_SENSITIVE or TYPE_SCROLL_SENSITIVE and alwaysDefer( statementType) returns false. ColumnRequiresDefer is called once for each column that is being updated, or each column in a DELETE where clause until it returns true or until all the columns have been exhausted. @param statementType UPDATE_STATEMENT or DELETE_STATEMENT. @param columnName the name of one of the columns being updated @param inWhereClause indicates whether the column also appears in the where clause @return true if the update must be deferredfalse if this column does not require a deferred update @exception SQLException a parameter is invalid or there is another unexpected failure.

Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()

            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                Enumeration columns = deferralSearch.columns.keys();
                while( columns.hasMoreElements())
                {
                    if( deferralControl.columnRequiresDefer( statementType,
                                                             (String) columns.nextElement(),
                                                             false))
                        return true;
                }
            }

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Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()


            if( statementType == DeferModification.UPDATE_STATEMENT)
            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                for (String s : deferralSearch.columns) {
                    if (deferralControl.columnRequiresDefer(
                            statementType, s, false)) {
                        return true;
                    }
                }
            }

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Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()

            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                Iterator columns = deferralSearch.columns.iterator();
                while (columns.hasNext())
                {
                    if (deferralControl.columnRequiresDefer(
                            statementType, (String) columns.next(), false)) {
                        return true;
                    }
                }
            }

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Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()

            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                Enumeration columns = deferralSearch.columns.keys();
                while( columns.hasMoreElements())
                {
                    if( deferralControl.columnRequiresDefer( statementType,
                                                             (String) columns.nextElement(),
                                                             false))
                        return true;
                }
            }

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Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()

            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                Enumeration columns = deferralSearch.columns.keys();
                while( columns.hasMoreElements())
                {
                    if( deferralControl.columnRequiresDefer( statementType,
                                                             (String) columns.nextElement(),
                                                             false))
                        return true;
                }
            }

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Examples of org.apache.derby.vti.DeferModification.columnRequiresDefer()

            {
                // Apply the columnRequiresDefer method to updated columns not in the where clause.
                Enumeration columns = deferralSearch.columns.keys();
                while( columns.hasMoreElements())
                {
                    if( deferralControl.columnRequiresDefer( statementType,
                                                             (String) columns.nextElement(),
                                                             false))
                        return true;
                }
            }

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