fix: Added parsing of AS attribute in RediSearch fields

Author: Julien Ruaux

build.gradle

@@ -50,6 +50,12 @@ config {
 			}
 		}
 	}
+	
+	coverage {
+        jacoco {
+            toolVersion = '0.8.8'
+        }
+    }
 }
 
 allprojects {
@@ -69,6 +75,11 @@ subprojects {
 		info {
 			description = project.project_description
 		}
+	    coverage {
+	        jacoco {
+	            toolVersion = '0.8.8'
+	        }
+	    }
 	}
 	test {
 	    maxHeapSize = "1024m"

gradle.properties

@@ -19,7 +19,7 @@ jacksonVersion=2.13.1
 jnaVersion=5.10.0
 jodaVersion=2.10.13
 junitVersion=5.8.2
-lettucemodVersion=3.0.0
+lettucemodVersion=3.0.1
 testcontainersRedisVersion=1.6.0
 servletVersion=4.0.1
 slf4jVersion=1.7.32

subprojects/trino-redisearch/src/main/java/com/redis/trino/RediSearchSession.java

@@ -167,8 +167,8 @@ private RediSearchTable loadTableSchema(SchemaTableName schemaTableName) {
 		}
 		Set<String> fields = new HashSet<>();
 		ImmutableList.Builder<RediSearchColumnHandle> columnHandles = ImmutableList.builder();
-		for (Field<String> columnMetadata : indexInfo.get().getFields()) {
-			RediSearchColumnHandle column = buildColumnHandle(columnMetadata);
+		for (Field<String> field : indexInfo.get().getFields()) {
+			RediSearchColumnHandle column = buildColumnHandle(field);
 			fields.add(column.getName());
 			columnHandles.add(column);
 		}
@@ -199,7 +199,15 @@ private Optional<IndexInfo> indexInfo(String index) {
 	}
 
 	private RediSearchColumnHandle buildColumnHandle(Field<String> field) {
-		return buildColumnHandle(field.getName(), field.getType(), false);
+		return buildColumnHandle(name(field), field.getType(), false);
+	}
+
+	private String name(Field<String> field) {
+		Optional<String> as = field.getAs();
+		if (as.isEmpty()) {
+			return field.getName();
+		}
+		return as.get();
 	}
 
 	private RediSearchColumnHandle buildColumnHandle(String name, Field.Type type, boolean hidden) {