the-other-tim-brown commented on code in PR #18146:
URL: https://github.com/apache/hudi/pull/18146#discussion_r2850246682
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hudi-common/src/main/java/org/apache/hudi/common/schema/HoodieSchema.java:
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@@ -1551,6 +1601,241 @@ public int hashCode() {
}
}
+ public static class Vector extends HoodieSchema {
+ private static final String DEFAULT_NAME = "vector";
+
+ /**
+ * Enum representing vector element data types.
+ */
+ public enum VectorElementType {
+ FLOAT("FLOAT", 4),
+ DOUBLE("DOUBLE", 8),
+ INT8("INT8", 1);
+
+ private final String dataType;
+ private final int elementSize;
+
+ VectorElementType(String dataType, int elementSize) {
+ this.dataType = dataType;
+ this.elementSize = elementSize;
+ }
+
+ /**
+ * Returns the string representation for serialization.
+ *
+ * @return element type name
+ */
+ public String getDataType() {
+ return dataType;
+ }
+
+ /**
+ * Returns the byte size of a single element.
+ *
+ * @return number of bytes per element
+ */
+ public int getElementSize() {
+ return elementSize;
+ }
+
+ /**
+ * Converts a string to VectorElementType enum.
+ *
+ * @param name the element type name (e.g., "FLOAT", "DOUBLE", "INT8")
+ * @return the corresponding enum value
+ * @throws IllegalArgumentException if name is unknown
+ */
+ public static VectorElementType fromString(String name) {
+ for (VectorElementType type : values()) {
+ if (type.dataType.equalsIgnoreCase(name)) {
+ return type;
+ }
+ }
+ throw new IllegalArgumentException("Unknown element type: " + name);
+ }
+ }
+
+ /**
+ * Enum representing the physical storage format backing a vector.
+ */
+ public enum StorageBacking {
+ FIXED_BYTES("FIXED_BYTES");
Review Comment:
Do we imagine the enum name being different from the backing?
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