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

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
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.
QueryRewriter	queryRewriter(DatabaseQuery query)
protected Table	retrieveAggregates(DatabaseQuery query, String sql)
List<String>	supportedAggregationFunctions()

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

createSqlStatement, datastore, execute, 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

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()

queryRewriter

public QueryRewriter queryRewriter(DatabaseQuery query)