Examples of org.apache.phoenix.schema.PColumnFamily

org.apache.phoenix.schema.PColumnFamily
Definition of a Phoenix Column Family @since 0.1

            if (indexColumn.getSortOrder() == SortOrder.DESC) {
                rowKeyMetaData.getDescIndexColumnBitSet().set(indexPos);
            }
        }
        for (int i = 0; i < index.getColumnFamilies().size(); i++) {
            PColumnFamily family = index.getColumnFamilies().get(i);
            for (PColumn indexColumn : family.getColumns()) {
                PColumn column = IndexUtil.getDataColumn(dataTable, indexColumn.getName().getString());
                maintainer.getCoverededColumns().add(new ColumnReference(column.getFamilyName().getBytes(), column.getName().getBytes()));
            }
        }
        maintainer.estimatedIndexRowKeyBytes = maintainer.estimateIndexRowKeyByteSize(indexColByteSize);

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                return dataTable.getPKColumn(indexColumnName.substring(1));
            } catch (ColumnNotFoundException e) {
                throw new IllegalArgumentException("Could not find PK column \"" +  indexColumnName.substring(pos+1) + "\" in index column name of \"" + indexColumnName + "\"", e);
            }
        }
        PColumnFamily family;
        try {
            family = dataTable.getColumnFamily(indexColumnName.substring(0, pos));
        } catch (ColumnFamilyNotFoundException e) {
            throw new IllegalArgumentException("Could not find column family \"" +  indexColumnName.substring(0, pos) + "\" in index column name of \"" + indexColumnName + "\"", e);
        }
        try {
            return family.getColumn(indexColumnName.substring(pos+1));
        } catch (ColumnNotFoundException e) {
            throw new IllegalArgumentException("Could not find column \"" +  indexColumnName.substring(pos+1) + "\" in index column name of \"" + indexColumnName + "\"", e);
        }
    }

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        }
    }
    
    private static void projectTableColumnFamily(StatementContext context, String cfName, TableRef tableRef, List<Expression> projectedExpressions, List<ExpressionProjector> projectedColumns) throws SQLException {
        PTable table = tableRef.getTable();
        PColumnFamily pfamily = table.getColumnFamily(cfName);
        for (PColumn column : pfamily.getColumns()) {
            ColumnRef ref = new ColumnRef(tableRef, column.getPosition());
            Expression expression = ref.newColumnExpression();
            projectedExpressions.add(expression);
            String colName = column.getName().toString();
            boolean isCaseSensitive = !SchemaUtil.normalizeIdentifier(colName).equals(colName);

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    private static void projectIndexColumnFamily(StatementContext context, String cfName, TableRef tableRef, List<Expression> projectedExpressions, List<ExpressionProjector> projectedColumns) throws SQLException {
        PTable index = tableRef.getTable();
        PhoenixConnection conn = context.getConnection();
        String tableName = index.getParentName().getString();
        PTable table = conn.getMetaDataCache().getTable(new PTableKey(conn.getTenantId(), tableName));
        PColumnFamily pfamily = table.getColumnFamily(cfName);
        for (PColumn column : pfamily.getColumns()) {
            PColumn indexColumn = index.getColumn(IndexUtil.getIndexColumnName(column));
            ColumnRef ref = new ColumnRef(tableRef, indexColumn.getPosition());
            Expression expression = ref.newColumnExpression();
            projectedExpressions.add(expression);
            String colName = column.getName().toString();

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        // TODO make estimatedByteSize more accurate by counting the joined columns.
        int estimatedKeySize = table.getRowKeySchema().getEstimatedValueLength();
        int estimatedByteSize = 0;
        for (Map.Entry<byte[],NavigableSet<byte[]>> entry : scan.getFamilyMap().entrySet()) {
            PColumnFamily family = table.getColumnFamily(entry.getKey());
            if (entry.getValue() == null) {
                for (PColumn column : family.getColumns()) {
                    Integer maxLength = column.getMaxLength();
                    int byteSize = column.getDataType().isFixedWidth() ? maxLength == null ? column.getDataType().getByteSize() : maxLength : RowKeySchema.ESTIMATED_VARIABLE_LENGTH_SIZE;
                    estimatedByteSize += SizedUtil.KEY_VALUE_SIZE + estimatedKeySize + byteSize;
                }
            } else {
                for (byte[] cq : entry.getValue()) {
                    PColumn column = family.getColumn(cq);
                    Integer maxLength = column.getMaxLength();
                    int byteSize = column.getDataType().isFixedWidth() ? maxLength == null ? column.getDataType().getByteSize() : maxLength : RowKeySchema.ESTIMATED_VARIABLE_LENGTH_SIZE;
                    estimatedByteSize += SizedUtil.KEY_VALUE_SIZE + estimatedKeySize + byteSize;
                }
            }

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            if (tokens.length!=2) {
                throw new SQLException(String.format("Unable to process column %s, expected family-qualified name.",columnName));
            }
            String familyName = tokens[0];
            String familyColumn = tokens[1];
            PColumnFamily family = table.getColumnFamily(familyName);
            pColumn = family.getColumn(familyColumn);
        } else {
            pColumn = table.getColumn(columnName);
        }
        return getColumnInfo(pColumn);
    }

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                    if (pkCount > COLUMN_NAME_INDEX 
                            && Bytes.compareTo(schemaName, rowKeyMetaData[SCHEMA_NAME_INDEX]) == 0 
                            && Bytes.compareTo(tableName, rowKeyMetaData[TABLE_NAME_INDEX]) == 0 ) {
                        try {
                            if (pkCount > FAMILY_NAME_INDEX && rowKeyMetaData[PhoenixDatabaseMetaData.FAMILY_NAME_INDEX].length > 0) {
                                PColumnFamily family = table.getColumnFamily(rowKeyMetaData[PhoenixDatabaseMetaData.FAMILY_NAME_INDEX]);
                                family.getColumn(rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX]);
                            } else if (pkCount > COLUMN_NAME_INDEX && rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX].length > 0) {
                                addingPKColumn = true;
                                table.getPKColumn(new String(rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX]));
                            } else {
                                continue;

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                                && Bytes.compareTo(schemaName, rowKeyMetaData[SCHEMA_NAME_INDEX]) == 0 
                                && Bytes.compareTo(tableName, rowKeyMetaData[TABLE_NAME_INDEX]) == 0 ) {
                            PColumn columnToDelete = null;
                            try {
                                if (pkCount > FAMILY_NAME_INDEX && rowKeyMetaData[PhoenixDatabaseMetaData.FAMILY_NAME_INDEX].length > 0) {
                                    PColumnFamily family = table.getColumnFamily(rowKeyMetaData[PhoenixDatabaseMetaData.FAMILY_NAME_INDEX]);
                                    columnToDelete = family.getColumn(rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX]);
                                } else if (pkCount > COLUMN_NAME_INDEX && rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX].length > 0) {
                                    deletePKColumn = true;
                                    columnToDelete = table.getPKColumn(new String(rowKeyMetaData[PhoenixDatabaseMetaData.COLUMN_NAME_INDEX]));
                                } else {
                                    continue;

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                ColumnFamilyRef theColumnFamilyRef = null;
                Iterator<TableRef> iterator = tables.iterator();
                while (iterator.hasNext()) {
                    TableRef tableRef = iterator.next();
                    try {
                        PColumnFamily columnFamily = tableRef.getTable().getColumnFamily(cfName);
                        if (theColumnFamilyRef != null) { throw new TableNotFoundException(cfName); }
                        theColumnFamilyRef = new ColumnFamilyRef(tableRef, columnFamily);
                    } catch (ColumnFamilyNotFoundException e) {}
                }
                if (theColumnFamilyRef != null) { return theColumnFamilyRef; }
                throw new TableNotFoundException(cfName);
            } else {
                TableRef tableRef = resolveTable(null, tableName);
                PColumnFamily columnFamily = tableRef.getTable().getColumnFamily(cfName);
                return new ColumnFamilyRef(tableRef, columnFamily);
            }
        }

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            row.delete();
        } else {
            // If no column families in table, then nothing to look for 
            if (!dataTable.getColumnFamilies().isEmpty()) {
                for (Map.Entry<byte[],List<KeyValue>> entry : dataMutation.getFamilyMap().entrySet()) {
                    PColumnFamily family = dataTable.getColumnFamily(entry.getKey());
                    for (KeyValue kv : entry.getValue()) {
                        byte[] cq = kv.getQualifier();
                        if (Bytes.compareTo(QueryConstants.EMPTY_COLUMN_BYTES, cq) != 0) {
                            try {
                                PColumn dataColumn = family.getColumn(cq);
                                PColumn indexColumn = indexTable.getColumn(IndexUtil.getIndexColumnName(family.getName().getString(), dataColumn.getName().getString()));
                                ptr.set(kv.getBuffer(),kv.getValueOffset(),kv.getValueLength());
                                coerceDataValueToIndexValue(dataColumn, indexColumn, ptr);
                                indexValues[indexPKColumns.indexOf(indexColumn)-indexOffset] = ptr.copyBytes();
                                if (!SchemaUtil.isPKColumn(indexColumn)) {
                                    indexValuesSet.set(indexColumn.getPosition()-nIndexColumns-indexOffset);

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org.apache.phoenix.compile.ProjectionCompiler

org.apache.phoenix.coprocessor.MetaDataEndpointImpl

org.apache.phoenix.end2end.index.IndexTestUtil

org.apache.phoenix.index.IndexMaintainer

org.apache.phoenix.util.IndexUtil

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