On Bigquery, I have a table with many columns. I want to create a new table showing counts of all distinct values for all columns. I am using the below code: SELECTkeyAScolumn_name,COUNT(DISTINCTval)ASnumber_of_options,ARRAY_AGG(DISTINCTval)ASdistinct_optionsFROM(SELECTTRIM...
Type: array of objects(AdditionalColumns) (or Expression with resultType array of objects). Overrides: GoogleBigQuerySource.withAdditionalColumns(Object additionalColumns) Parameters: additionalColumns withDisableMetricsCollection public GoogleBigQuerySource withDisableMetricsCollection(Object disableMetrics...
<connection-name>: DasVerbindungsobjekt, das die Datenquelle, den Pfad und die Anmeldeinformationen für den Zugriff angibt. SQLKopie CREATEFOREIGNCATALOG[IFNOTEXISTS] <catalog-name>USINGCONNECTION<connection-name>; Die folgenden Pushdowns werden unterstützt: ...
Type: array of objects(AdditionalColumns) (or Expression with resultType array of objects). Overrides: GoogleBigQuerySource.withAdditionalColumns(Object additionalColumns) Parameters: additionalColumns withDisableMetricsCollection public GoogleBigQuerySource withDisableMetricsCollection(Object disableMetricsCollection...
Type: array of objects(AdditionalColumns) (or Expression with resultType array of objects). Overrides: GoogleBigQuerySource.withAdditionalColumns(Object additionalColumns) Parameters: additionalColumns withDisableMetricsCollection public GoogleBigQuerySource withDisableMetricsCollection(Object disableMetricsCollection...
UNNEST([0, 1])in this case means "create a value table from theINT64values0and1". Similarly, for the row with anidof 2, the contents of the value table returned byUNNEST(numbers_array)are: +---+|f0_|+---+|2||4||5|+---+ Now let'...
Functions to create, get, update, delete datasets and tables moved to the client class.FixesPopulate timeout parameter correctly for queries (#4209) Automatically retry idempotent RPCs (#4148, #4178) Parse timestamps in query parameters using canonical format (#3945) Parse array parameters that ...
Google BigQuery是一种全托管的企业级数据仓库解决方案,可用于大规模数据分析和查询。它具有高可扩展性、高性能和强大的分析功能。 要使用bq命令行删除列,可以按照以下步骤进行操作: 1...
对于物化视图中的 AVG、ARRAY_AGG 和APPROX_COUNT_DISTINCT 聚合值,系统不会直接存储最终值。而是 BigQuery 在内部将物化视图存储为用于生成最终值的中间草图。 例如,考虑一个使用以下命令创建的物化视图: CREATE MATERIALIZED VIEW project-id.my_dataset.my_mv_table AS SELECT date, AVG(net_paid) AS avg_paid...
<connection-name>: DasVerbindungsobjekt, das die Datenquelle, den Pfad und die Anmeldeinformationen für den Zugriff angibt. SQL CREATEFOREIGNCATALOG[IFNOTEXISTS] <catalog-name>USINGCONNECTION<connection-name>; Unterstützte Pushdowns Die folgenden Pushdowns werden unterstützt: ...