使用REGEXP_EXTRACT函数:REGEXP_EXTRACT函数用于从一个字符串中提取符合正则表达式模式的子字符串。语法如下: 使用REGEXP_EXTRACT函数:REGEXP_EXTRACT函数用于从一个字符串中提取符合正则表达式模式的子字符串。语法如下: column_name:要提取子字符串的列名。
REGEXP_EXTRACT(string, pattern):从字符串中提取匹配指定模式的子串。 REGEXP_REPLACE(string, pattern, replacement):将字符串中匹配指定模式的子串替换为指定的字符串。 适用场景: 数据清洗和预处理:使用regex函数可以方便地从原始数据中提取所需信息,例如提取URL、邮箱地址、IP地址等。
SELECT BookMeta_Title, BookMeta_Date, BookMeta_Creator, BookMeta_Language, BookMeta_Publisher FROM (TABLE_QUERY([gdelt-bq:internetarchivebooks], 'REGEXP_EXTRACT(table_id, r"(d{4})") BETWEEN "1800" AND "2020"')) WHERE BookMeta_Creator CONTAINS "Herman Melville" ...
{ "configuration": { "query": { "query": "SELECT\n BookMeta_Title,\n BookMeta_Date,\n BookMeta_Creator,\n BookMeta_Language,\n BookMeta_Publisher\nFROM (TABLE_QUERY([gdelt-bq:internetarchivebooks], 'REGEXP_EXTRACT(table_id, r\"(\\d{4})\") BETWEEN \"1800\" AND \"2020\"')...
SELECTREGEXP_EXTRACT(line,r'import ([a-zA-Z0-9\._]*)')class,COUNT(DISTINCTc.id)countFROM`<your_dataset>.contents`c,UNNEST(SPLIT(content,'\n'))lineWHERElineLIKE'import org.gradle.%internal%'GROUPBY1ORDERBYcountDESCLIMIT10; How a given API is used ...
-query: | - SELECT - job, - sum(runs) runs, - sum(passed) passed, - if(passed == 0, 1, sum(passed)/sum(runs)) consistency, - max(stamp) stamp, - FROM ( - SELECT /* all runs of any job for yesterday noting whether it passed */ - job, - regexp_extract(metadata.value, ...
[project-1234:cluster_db.table], "integer(regexp_extract(table_id, r'^table__monthly([0-9]+)')) < DATE_ADD(USEC_TO_TIMESTAMP(UTC_USEC_TO_MONTH(CURRENT_TIMESTAMP())), -1, 'MONTH')") ) -- Grab the most recent row, which will always have a row number equal to 1 WHERE etl...
SELECT REGEXP_EXTRACT(protopayload_auditlog.resourceName, '^projects/[^/]+/datasets/([^/]+)/tables') AS datasetRef, COUNTIF(JSON_EXTRACT(protopayload_auditlog.metadataJson, "$.tableDataRead") IS NOT NULL) AS dataReadEvents, FROM `ch04.cloudaudit_googleapis_com_data_access_2019*` WHERE...
(SELECT * FROM stationstats WHERE REGEXP_CONTAINS(station_name, 'Kennington'))) 输出是: 肯宁顿站(Kennington)属于哪个聚类? 检查聚类 可以使用以下方法查看聚类图心-基本上是模型中4个因子的值: SELECT * FROM ML.CENTROIDS(MODEL demos_eu.london_station_clusters) ...
{ "configuration": { "query": { "query": "SELECT\n BookMeta_Title,\n BookMeta_Date,\n BookMeta_Creator,\n BookMeta_Language,\n BookMeta_Publisher\nFROM (TABLE_QUERY([gdelt-bq:internetarchivebooks], 'REGEXP_EXTRACT(table_id, r\"(\\d{4})\") BETWEEN \"1800\" AND \"2020\"')...