38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
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import mysql.connector
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from flask import current_app
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def execute_query(query, params=None, fetch_one=False):
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"""Execute a SQL query and optionally fetch results."""
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try:
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# Get database configuration from the current app context
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db_config = {
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"host": current_app.config['DBHOST'],
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"user": current_app.config['DBUSER'],
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"password": current_app.config['DBPASS'],
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"database": current_app.config['DATABASE'],
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}
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# Establish database connection
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connection = mysql.connector.connect(**db_config)
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cursor = connection.cursor(dictionary=True)
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# Execute the query with optional parameters
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cursor.execute(query, params)
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# Fetch results if it's a SELECT query
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if query.strip().upper().startswith("SELECT"):
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result = cursor.fetchone() if fetch_one else cursor.fetchall()
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else:
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# Commit changes for INSERT, UPDATE, DELETE
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connection.commit()
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result = cursor.rowcount # Number of affected rows
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# Close the database connection
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cursor.close()
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connection.close()
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return result
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except mysql.connector.Error as err:
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print("Error: ", err)
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return None
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