Package org.apache.phoenix.jdbc

Examples of org.apache.phoenix.jdbc.PhoenixStatement.compileQuery()

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        Connection connection = null;
        try {
            connection = this.phoenixConfiguration.getConnection();
            final Statement  statement = connection.createStatement();
            final PhoenixStatement pstmt = statement.unwrap(PhoenixStatement.class);
            final QueryPlan queryPlan = pstmt.compileQuery(selectStatement);
            isValidStatement(queryPlan);
            final String tableName = queryPlan.getTableRef().getTable().getName().getString();
            final List<? extends ColumnProjector> projectedColumns = queryPlan.getProjector().getColumnProjectors();
            final List<String> columns = Lists.transform(projectedColumns,
                                                            new Function<ColumnProjector,String>() {
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    List<ColumnInfo> columnInfos = null;
        try {
            connection = this.phoenixConfiguration.getConnection();
            final Statement  statement = connection.createStatement();
            final PhoenixStatement pstmt = statement.unwrap(PhoenixStatement.class);
            final QueryPlan queryPlan = pstmt.compileQuery(sqlQuery);
            final List<? extends ColumnProjector> projectedColumns = queryPlan.getProjector().getColumnProjectors();
            columnInfos = Lists.newArrayListWithCapacity(projectedColumns.size());
            columnInfos = Lists.transform(projectedColumns, new Function<ColumnProjector,ColumnInfo>() {
              @Override
        public ColumnInfo apply(final ColumnProjector columnProjector) {
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                final Connection connection = getConnection();
                final String selectStatement = getConf().getSelectStatement();
                Preconditions.checkNotNull(selectStatement);
                final Statement statement = connection.createStatement();
                final PhoenixStatement pstmt = statement.unwrap(PhoenixStatement.class);
                this.queryPlan = pstmt.compileQuery(selectStatement);
            } catch(Exception exception) {
                LOG.error(String.format("Failed to get the query plan with error [%s]",exception.getMessage()));
                throw new RuntimeException(exception);
            }
        }
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            // region observer to generate the index rows based on the data rows as we scan
            if (index.getIndexType() == IndexType.LOCAL) {
                final PhoenixStatement statement = new PhoenixStatement(connection);
                String tableName = getFullTableName(dataTableRef);
                String query = "SELECT count(*) FROM " + tableName;
                QueryPlan plan = statement.compileQuery(query);
                TableRef tableRef = plan.getContext().getResolver().getTables().get(0);
                // Set attribute on scan that UngroupedAggregateRegionObserver will switch on.
                // We'll detect that this attribute was set the server-side and write the index
                // rows per region as a result. The value of the attribute will be our persisted
                // index maintainers.
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