Created
May 27, 2023 03:53
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save embeddings as BLOB in MySQL with Python
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| import numpy as np | |
| import mysql.connector | |
| cnx = mysql.connector.connect( | |
| host="HOST", | |
| port=3306, | |
| user="USERNAME", | |
| password="PASSWORD", | |
| database="DATABASE NAME", | |
| pool_name="mypool", | |
| pool_size=5, | |
| ) | |
| cursor = cnx.cursor() | |
| embeddings = [0.6, 0.8] | |
| # save embeddings as BLOB in example_table | |
| query="INSERT INTO example_table (embeddings) VALUES (%s)" | |
| buf = np.array(embeddings, dtype=np.float32).tobytes() | |
| params = (buf,) | |
| cursor.execute(query, params) | |
| id = cursor.lastrowid | |
| cnx.commit() | |
| # read back embeddings from the table | |
| query="SELECT embeddings FROM example_table WHERE id = %s" | |
| params = (id,) | |
| cursor.execute(query, params) | |
| rows = cursor.fetchall() | |
| buf = rows[0][0] | |
| arr = np.frombuffer(buf, dtype=np.float32) | |
| cnx.close() |
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