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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ async def async_create_client(instance_id, database_id):
"""Instantiates an asynchronous Spanner client."""
spanner_client = AsyncClient()
instance = spanner_client.instance(instance_id)
database = instance.database(database_id)
database = await instance.database(database_id)

print("Async Spanner client instantiated successfully.")
return database
Expand All @@ -40,7 +40,7 @@ async def async_query_data(instance_id, database_id):
"""Queries sample data from the database using asynchronous SQL."""
spanner_client = AsyncClient()
instance = spanner_client.instance(instance_id)
database = instance.database(database_id)
database = await instance.database(database_id)

async with database.snapshot() as snapshot:
results = await snapshot.execute_sql(
Expand All @@ -59,7 +59,7 @@ async def async_insert_data(instance_id, database_id):
"""Inserts sample data into the database using DML asynchronously."""
spanner_client = AsyncClient()
instance = spanner_client.instance(instance_id)
database = instance.database(database_id)
database = await instance.database(database_id)

async def insert_singers(transaction):
dml = (
Expand All @@ -81,7 +81,7 @@ async def async_read_write_transaction(instance_id, database_id):
"""Performs an asynchronous read-write transaction."""
spanner_client = AsyncClient()
instance = spanner_client.instance(instance_id)
database = instance.database(database_id)
database = await instance.database(database_id)

async def update_singer_lastname(transaction):
# Retrieve current name
Expand Down Expand Up @@ -110,7 +110,7 @@ async def async_read_only_transaction(instance_id, database_id):
"""Performs an asynchronous read-only transaction."""
spanner_client = AsyncClient()
instance = spanner_client.instance(instance_id)
database = instance.database(database_id)
database = await instance.database(database_id)

async with database.snapshot() as snapshot:
# Execute a read using standard KeySet
Expand Down
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