[ https://issues.apache.org/jira/browse/CALCITE-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jerin John updated CALCITE-5910: -------------------------------- Summary: Add REGEXP_EXTRACT and REGEXP_SUBSTR functions (enabled in BigQuery library) (was: Add REGEXP_EXTRACT function (enabled in BigQuery library)) > Add REGEXP_EXTRACT and REGEXP_SUBSTR functions (enabled in BigQuery library) > ---------------------------------------------------------------------------- > > Key: CALCITE-5910 > URL: https://issues.apache.org/jira/browse/CALCITE-5910 > Project: Calcite > Issue Type: Task > Reporter: Jerin John > Assignee: Jerin John > Priority: Major > Labels: pull-request-available > > Add support for > [REGEXP_EXTRACT|https://cloud.google.com/bigquery/docs/reference/standard-sql/string_functions#regexp_extract] > function from BigQuery. > *{{REGEXP_EXTRACT(value, regexp[, position[, occurrence]])}}* > Returns the substring in {{value}} that matches the regular expression > {{{}regexp{}}}. Returns {{NULL}} if there is no match. > * If the regular expression contains a capturing group ({{{}(...){}}}), and > there is a match for that capturing group, that match is returned. If there > are multiple matches for a capturing group, the last match is returned. > * If {{position}} is specified, the search starts at this position in > {{{}value{}}}, otherwise it starts at the beginning of {{{}value{}}}. > * If {{occurrence}} is specified, the search returns a specific occurrence > of the {{regexp}} in {{{}value{}}}, otherwise returns the first match. > > *{{REGEXP_SUBSTR(value, regexp[, position[, occurrence]])}}* > Synonym for REGEXP_EXTRACT -- This message was sent by Atlassian Jira (v8.20.10#820010)