MySQL HeatWave User Guide
The rpd_vector_indexes table provides
information about vector indexes created for different vector
store or embedding tables.
The rpd_vector_indexes table has these
columns:
TABLE_ID: the table ID.
COLUMN_ID: the column ID.
SPACE: Vector distance metric, which can
be one of: DOT,
EUCLIDEAN, and COSINE.
Queries using the same distance metric are accelerated by
the index.
ALGORITHM: vector indexing algorithm
used, which is always HNSW as of MySQL
9.5.0.
TUNING_PARAMS: the parameters used for
tuning the vector index.
ORDER: the order used for index creation:
ACS or DESC.
SIZE_MB: the size of the index
per-rapid-node, in MB.
USAGE_COUNT: the number of times the
index has been used.
BUILD_START_TIME: index build start time.
BUILD_END_TIME: index build end time.
IS_USABLE: whether the index is usable.
The rpd_vector_indexes table is read-only.