Feat: Add vector support#2000
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Knalltuete5000 wants to merge 4 commits intoPomeloFoundation:mainfrom
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* Add indicator if vectors are supported on the database * Enable support for mariadb 11.7 and greater * Enable support for mysql 9.0 and greater * Add vector to the SqlGenerator
Adjust the abstract class MySqlTypeMapping to define the StoreTypePostfix for the mapping
* Add mappers to support reading and writing vectors
* For MySql: Add the MySqlVectorTypeMapping to use
float[], Memory<float> or ReadOnlyMemory<float> as
the base types for vectors
* For MariaDb: Add the MySqlVectorByteTypeMapping to
use float[], Memory<float> or ReadOnlyMemory<float>
as the base types for vectors. These must be converted
from a byte[]
* Register the type mappings dependent on the server type
used
* Add float[] to the DataTypes to represent a vector * Add Memory<float> to the DataTypes to represent a vector * Add ReadOnlyMemory<float> to the DataTypes to represent a vector
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This will add support for the
vectordatatype to be able to mapfloat[],Memory<float>orReadOnlyMemory<float>to thevectorcolumn type. This pr will not implement any functions likeDistancesince the function is only available on mariadb (See note in the mysql documentation) and the function definition is different on both databases.To configure the this the following via attributes is possible
The vector datatype is supported on mysql >= 9.0 and mariadb >= 11.7.
For this PR to worke the current main-branch of the MySqlConnector is required. This adds support to read the
vectorcolumn from the database.float[],Memory<float>or ReadOnlyMemorycan be directly mapped to a mysql database, mariadb a special typemapper is used to map from abyte[]to eitherfloat[],MemoryorReadOnlyMemory`.Closes #1999