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Add support for ODBC Server Side Parameters #201

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merged 3 commits into from
Aug 11, 2021
Merged

Add support for ODBC Server Side Parameters #201

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db0db96
Add support for ODBC Server Side Parameters
jethron Aug 5, 2021
4eef2c0
Merge branch 'master' of https://github.com/dbt-labs/dbt-spark into s…
jethron Aug 11, 2021
f6f7721
Update CHANGELOG
jethron Aug 11, 2021
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13 changes: 11 additions & 2 deletions dbt/adapters/spark/connections.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,8 +24,8 @@
import sqlparams

from hologram.helpers import StrEnum
from dataclasses import dataclass
from typing import Optional
from dataclasses import dataclass, field
from typing import Any, Dict, Optional
try:
from thrift.transport.TSSLSocket import TSSLSocket
import thrift
Expand Down Expand Up @@ -72,6 +72,7 @@ class SparkCredentials(Credentials):
connect_retries: int = 0
connect_timeout: int = 10
use_ssl: bool = False
server_side_parameters: Dict[str, Any] = field(default_factory=dict)

@classmethod
def __pre_deserialize__(cls, data):
Expand Down Expand Up @@ -401,6 +402,12 @@ def open(cls, connection):
dbt_spark_version = __version__.version
user_agent_entry = f"fishtown-analytics-dbt-spark/{dbt_spark_version} (Databricks)" # noqa

# http://simba.wpengine.com/products/Spark/doc/ODBC_InstallGuide/unix/content/odbc/hi/configuring/serverside.htm
ssp = {
f"SSP_{k}": f"{{{v}}}"
for k, v in creds.server_side_parameters.items()
}

# https://www.simba.com/products/Spark/doc/v2/ODBC_InstallGuide/unix/content/odbc/options/driver.htm
connection_str = _build_odbc_connnection_string(
DRIVER=creds.driver,
Expand All @@ -414,6 +421,8 @@ def open(cls, connection):
ThriftTransport=2,
SSL=1,
UserAgentEntry=user_agent_entry,
LCaseSspKeyName=0 if ssp else 1,
**ssp,
)

conn = pyodbc.connect(connection_str, autocommit=True)
Expand Down