Package io.squashql.query.database

Class BigQueryEngine

java.lang.Object

io.squashql.query.database.AQueryEngine<BigQueryDatastore>

io.squashql.query.database.BigQueryEngine

All Implemented Interfaces:

QueryEngine<BigQueryDatastore>

public class BigQueryEngine
extends AQueryEngine<BigQueryDatastore>

Field Summary

Fields

Modifier and Type	Field	Description
static final List<String>	SUPPORTED_AGGREGATION_FUNCTIONS	https://cloud.google.com/bigquery/docs/reference/standard-sql/statistical_aggregate_functions#covar_samp https://cloud.google.com/bigquery/docs/reference/standard-sql/aggregate_functions

Fields inherited from class io.squashql.query.database.AQueryEngine

datastore, fieldSupplier, queryRewriter

Fields inherited from interface io.squashql.query.database.QueryEngine

GRAND_TOTAL, TOTAL

Constructor Summary

Constructors

Constructor	Description
BigQueryEngine(BigQueryDatastore datastore)

Method Summary

Modifier and Type	Method	Description
protected String	createSqlStatement(DatabaseQuery query)
Table	executeRawSql(String sql)
static Object	getTypeValue(com.google.cloud.bigquery.FieldValueList fieldValues, com.google.cloud.bigquery.Schema schema, int index)	Gets the value with the correct type, otherwise everything is read as String.
protected Table	postProcessDataset(Table input, DatabaseQuery query)
protected Table	retrieveAggregates(DatabaseQuery query, String sql)
List<String>	supportedAggregationFunctions()

Methods inherited from class io.squashql.query.database.AQueryEngine

createFieldSupplier, datastore, execute, getFieldSupplier, queryRewriter, transformToColumnFormat, transformToRowFormat

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SUPPORTED_AGGREGATION_FUNCTIONS

public static final List<String> SUPPORTED_AGGREGATION_FUNCTIONS

https://cloud.google.com/bigquery/docs/reference/standard-sql/statistical_aggregate_functions#covar_samp https://cloud.google.com/bigquery/docs/reference/standard-sql/aggregate_functions

Constructor Details

BigQueryEngine

public BigQueryEngine(BigQueryDatastore datastore)

Method Details

createSqlStatement

protected String createSqlStatement(DatabaseQuery query)

Overrides:

createSqlStatement in class AQueryEngine<BigQueryDatastore>

postProcessDataset

protected Table postProcessDataset(Table input,
 DatabaseQuery query)

Overrides:

postProcessDataset in class AQueryEngine<BigQueryDatastore>

retrieveAggregates

protected Table retrieveAggregates(DatabaseQuery query,
 String sql)

Specified by:

retrieveAggregates in class AQueryEngine<BigQueryDatastore>

executeRawSql

public Table executeRawSql(String sql)

getTypeValue

public static Object getTypeValue(com.google.cloud.bigquery.FieldValueList fieldValues,
 com.google.cloud.bigquery.Schema schema,
 int index)

Gets the value with the correct type, otherwise everything is read as String.

supportedAggregationFunctions

public List<String> supportedAggregationFunctions()