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Merged
merged 8 commits into from
Jan 21, 2025
Merged

Move scoring in ES|QL out of snapshot #120354

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dc493f0
Move scoring in ES|QL out of snapshot
tteofili Jan 17, 2025
9df0d7b
Merge branch 'main' of github.com:elastic/elasticsearch into scoring_…
tteofili Jan 17, 2025
31aecbd
Update docs/changelog/120354.yaml
tteofili Jan 17, 2025
ee48d8e
[CI] Auto commit changes from spotless
Jan 17, 2025
0a7e7b5
Update docs/reference/esql/metadata-fields.asciidoc
tteofili Jan 20, 2025
689d989
Merge branch 'main' into scoring_no_snapshot
tteofili Jan 21, 2025
fcad09a
minor doc fix
tteofili Jan 21, 2025
241dbc0
Merge branch 'main' of github.com:elastic/elasticsearch into scoring_…
tteofili Jan 21, 2025
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5 changes: 5 additions & 0 deletions docs/changelog/120354.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
pr: 120354
summary: Move scoring in ES|QL out of snapshot
area: ES|QL
type: enhancement
issues: []
2 changes: 2 additions & 0 deletions docs/reference/esql/metadata-fields.asciidoc
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Expand Up @@ -20,6 +20,8 @@ supported ones are:
* <<mapping-ignored-field,`_ignored`>>: the ignored source document fields. The field is of the type
<<keyword,keyword>>.

* `_score`: when enabled, the final score assigned to each row matching an ES|QL query. Scoring will be updated when using <<esql-search-functions,full text search functions>>.

To enable the access to these fields, the <<esql-from,`FROM`>> source command needs
to be provided with a dedicated directive:

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136 changes: 67 additions & 69 deletions x-pack/plugin/esql/src/main/antlr/EsqlBaseLexer.tokens
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2 changes: 1 addition & 1 deletion x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/action/EsqlCapabilities.java
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Expand Up @@ -708,7 +708,7 @@ public enum Cap {
/**
* Support the "METADATA _score" directive to enable _score column.
*/
METADATA_SCORE(Build.current().isSnapshot()),
METADATA_SCORE,

/**
* Term function
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4 changes: 1 addition & 3 deletions x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/parser/LogicalPlanBuilder.java
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Expand Up @@ -16,7 +16,6 @@
import org.elasticsearch.dissect.DissectParser;
import org.elasticsearch.index.IndexMode;
import org.elasticsearch.xpack.esql.VerificationException;
import org.elasticsearch.xpack.esql.action.EsqlCapabilities;
import org.elasticsearch.xpack.esql.common.Failure;
import org.elasticsearch.xpack.esql.core.expression.Alias;
import org.elasticsearch.xpack.esql.core.expression.Attribute;
Expand Down Expand Up @@ -262,8 +261,7 @@ public LogicalPlan visitFromCommand(EsqlBaseParser.FromCommandContext ctx) {
for (var c : ctx.metadata().UNQUOTED_SOURCE()) {
String id = c.getText();
Source src = source(c);
if (MetadataAttribute.isSupported(id) == false // TODO: drop check below once METADATA_SCORE is no longer snapshot-only
|| (EsqlCapabilities.Cap.METADATA_SCORE.isEnabled() == false && MetadataAttribute.SCORE.equals(id))) {
if (MetadataAttribute.isSupported(id) == false) {
throw new ParsingException(src, "unsupported metadata field [" + id + "]");
}
Attribute a = metadataMap.put(id, MetadataAttribute.create(src, id));
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