Java Code Examples for org.apache.phoenix.schema.PColumn#getExpressionStr()

public static ColumnResolver getResolverForCompiledDerivedTable(PhoenixConnection connection, TableRef tableRef, RowProjector projector)
        throws SQLException {
    List<PColumn> projectedColumns = new ArrayList<PColumn>();
    List<Expression> sourceExpressions = new ArrayList<Expression>();
    PTable table = tableRef.getTable();
    for (PColumn column : table.getColumns()) {
        Expression sourceExpression = projector.getColumnProjector(column.getPosition()).getExpression();
        PColumnImpl projectedColumn = new PColumnImpl(column.getName(), column.getFamilyName(),
                sourceExpression.getDataType(), sourceExpression.getMaxLength(), sourceExpression.getScale(), sourceExpression.isNullable(),
                column.getPosition(), sourceExpression.getSortOrder(), column.getArraySize(), column.getViewConstant(), column.isViewReferenced(), column.getExpressionStr());
        projectedColumns.add(projectedColumn);
        sourceExpressions.add(sourceExpression);
    }
    PTable t = PTableImpl.makePTable(table, projectedColumns);
    return new SingleTableColumnResolver(connection, new TableRef(tableRef.getTableAlias(), t, tableRef.getLowerBoundTimeStamp(), tableRef.hasDynamicCols()));
}
 

public ProjectedPTableWrapper createProjectedTable(RowProjector rowProjector) throws SQLException {
    assert(isSubselect());
    List<PColumn> projectedColumns = new ArrayList<PColumn>();
    List<Expression> sourceExpressions = new ArrayList<Expression>();
    ListMultimap<String, String> columnNameMap = ArrayListMultimap.<String, String>create();
    PTable table = tableRef.getTable();
    for (PColumn column : table.getColumns()) {
        String colName = getProjectedColumnName(null, tableRef.getTableAlias(), column.getName().getString());
        Expression sourceExpression = rowProjector.getColumnProjector(column.getPosition()).getExpression();
        PColumnImpl projectedColumn = new PColumnImpl(PNameFactory.newName(colName), PNameFactory.newName(TupleProjector.VALUE_COLUMN_FAMILY),
                sourceExpression.getDataType(), sourceExpression.getMaxLength(), sourceExpression.getScale(), sourceExpression.isNullable(),
                column.getPosition(), sourceExpression.getSortOrder(), column.getArraySize(), column.getViewConstant(), column.isViewReferenced(), column.getExpressionStr());
        projectedColumns.add(projectedColumn);
        sourceExpressions.add(sourceExpression);
    }
    PTable t = PTableImpl.makePTable(table.getTenantId(), PNameFactory.newName(PROJECTED_TABLE_SCHEMA), table.getName(), PTableType.JOIN,
                table.getIndexState(), table.getTimeStamp(), table.getSequenceNumber(), table.getPKName(),
                null, projectedColumns, table.getParentSchemaName(),
                table.getParentTableName(), table.getIndexes(), table.isImmutableRows(), Collections.<PName>emptyList(), null, null,
                table.isWALDisabled(), table.isMultiTenant(), table.getStoreNulls(), table.getViewType(),
                table.getViewIndexId(), table.getIndexType());
    return new ProjectedPTableWrapper(t, columnNameMap, sourceExpressions);
}
 

public static ColumnResolver getResolverForCompiledDerivedTable(PhoenixConnection connection, TableRef tableRef, RowProjector projector)
        throws SQLException {
    List<PColumn> projectedColumns = new ArrayList<PColumn>();
    PTable table = tableRef.getTable();
    for (PColumn column : table.getColumns()) {
        Expression sourceExpression = projector.getColumnProjector(column.getPosition()).getExpression();
        PColumnImpl projectedColumn = new PColumnImpl(column.getName(), column.getFamilyName(),
                sourceExpression.getDataType(), sourceExpression.getMaxLength(), sourceExpression.getScale(), sourceExpression.isNullable(),
                column.getPosition(), sourceExpression.getSortOrder(), column.getArraySize(), column.getViewConstant(), column.isViewReferenced(), column.getExpressionStr(), column.isRowTimestamp(), column.isDynamic(), column.getColumnQualifierBytes(),
            column.getTimestamp());
        projectedColumns.add(projectedColumn);
    }
    PTable t = PTableImpl.builderWithColumns(table, projectedColumns)
            .build();
    return new SingleTableColumnResolver(connection, new TableRef(tableRef.getTableAlias(), t, tableRef.getLowerBoundTimeStamp(), tableRef.hasDynamicCols()));
}
 

private void addProjectedColumn(List<PColumn> projectedColumns, List<Expression> sourceExpressions,
        ListMultimap<String, String> columnNameMap, PColumn sourceColumn, PName familyName, boolean hasSaltingColumn,
        boolean isLocalIndexColumnRef, StatementContext context)
throws SQLException {
    if (sourceColumn == SALTING_COLUMN)
        return;

    int position = projectedColumns.size() + (hasSaltingColumn ? 1 : 0);
    PTable table = tableRef.getTable();
    String schemaName = table.getSchemaName().getString();
    String tableName = table.getTableName().getString();
    String colName = isLocalIndexColumnRef ? IndexUtil.getIndexColumnName(sourceColumn) : sourceColumn.getName().getString();
    String fullName = getProjectedColumnName(schemaName, tableName, colName);
    String aliasedName = tableRef.getTableAlias() == null ? fullName : getProjectedColumnName(null, tableRef.getTableAlias(), colName);

    columnNameMap.put(colName, aliasedName);
    if (!fullName.equals(aliasedName)) {
        columnNameMap.put(fullName, aliasedName);
    }

    PName name = PNameFactory.newName(aliasedName);
    PColumnImpl column = new PColumnImpl(name, familyName, sourceColumn.getDataType(),
            sourceColumn.getMaxLength(), sourceColumn.getScale(), sourceColumn.isNullable(),
            position, sourceColumn.getSortOrder(), sourceColumn.getArraySize(), sourceColumn.getViewConstant(), sourceColumn.isViewReferenced(), sourceColumn.getExpressionStr());
    Expression sourceExpression = isLocalIndexColumnRef ?
              NODE_FACTORY.column(TableName.create(schemaName, tableName), "\"" + colName + "\"", null).accept(new ExpressionCompiler(context))
            : new ColumnRef(tableRef, sourceColumn.getPosition()).newColumnExpression();
    projectedColumns.add(column);
    sourceExpressions.add(sourceExpression);
}
 

public static PColumn getIndexPKColumn(int position, PColumn dataColumn) {
	assert (SchemaUtil.isPKColumn(dataColumn));
	PName indexColumnName = PNameFactory.newName(getIndexColumnName(null, dataColumn.getName().getString()));
	PColumn column = new PColumnImpl(indexColumnName, null, dataColumn.getDataType(), dataColumn.getMaxLength(),
			dataColumn.getScale(), dataColumn.isNullable(), position, dataColumn.getSortOrder(),
			dataColumn.getArraySize(), null, false, dataColumn.getExpressionStr(), dataColumn.isRowTimestamp(), false,
			// TODO set the columnQualifierBytes correctly
			/*columnQualifierBytes*/null, HConstants.LATEST_TIMESTAMP); 
	return column;
}
 

public static String getIndexColumnExpressionStr(PColumn col) {
    return col.getExpressionStr() == null ? IndexUtil.getCaseSensitiveDataColumnFullName(col.getName().getString())
            : col.getExpressionStr();
}
 

public static String getIndexColumnExpressionStr(PColumn col) {
    return col.getExpressionStr() == null ? IndexUtil.getCaseSensitiveDataColumnFullName(col.getName().getString())
            : col.getExpressionStr();
}