Add a dense_vector_text CSV datasets.

Author: afoucret

x-pack/plugin/esql/qa/testFixtures/src/main/java/org/elasticsearch/xpack/esql/CsvTestsDataLoader.java

@@ -170,6 +170,7 @@ public class CsvTestsDataLoader {
     private static final TestDataset BOOKS = new TestDataset("books").withSetting("books-settings.json");
     private static final TestDataset SEMANTIC_TEXT = new TestDataset("semantic_text").withInferenceEndpoint(true);
     private static final TestDataset LOGS = new TestDataset("logs");
+    private static final TestDataset DENSE_VECTOR_TEXT = new TestDataset("dense_vector_text");
     private static final TestDataset MV_TEXT = new TestDataset("mv_text");
     private static final TestDataset DENSE_VECTOR = new TestDataset("dense_vector");
     private static final TestDataset COLORS = new TestDataset("colors");
@@ -243,6 +244,7 @@ public class CsvTestsDataLoader {
         Map.entry(BOOKS.indexName, BOOKS),
         Map.entry(SEMANTIC_TEXT.indexName, SEMANTIC_TEXT),
         Map.entry(LOGS.indexName, LOGS),
+        Map.entry(DENSE_VECTOR_TEXT.indexName, DENSE_VECTOR_TEXT),
         Map.entry(MV_TEXT.indexName, MV_TEXT),
         Map.entry(DENSE_VECTOR.indexName, DENSE_VECTOR),
         Map.entry(COLORS.indexName, COLORS),

x-pack/plugin/esql/qa/testFixtures/src/main/resources/data/dense_vector_text.csv

@@ -0,0 +1,4 @@
+_id:keyword,text_field:semantic_text,text_embedding_field:dense_vector
+1,live long and prosper,[50.0, 57.0, 56.0]
+2,all we have to decide is what to do with the time that is given to us, [45.0, 49.0, 57.0]
+3,be excellent to each other,[45.0, 55.0, 54.0]

x-pack/plugin/esql/qa/testFixtures/src/main/resources/mapping-dense_vector_text.json

@@ -0,0 +1,12 @@
+{
+  "properties": {
+    "text_field": {
+      "type": "text"
+    },
+    "text_embedding_field": {
+      "type": "dense_vector",
+      "dims": 3,
+      "similarity": "l2_norm"
+    }
+  }
+}