fix(Segment membership PoC): Identity backfill broken due to lack of JSON column support (#7584)

Author: khvn26

api/pyproject.toml

@@ -46,6 +46,7 @@ dependencies = [
     "flagsmith-flag-engine>=10.1.0,<11.0.0",
     "flagsmith-sql-flag-engine>=0.1.0,<0.2.0",
     "django-clickhouse-backend>=1.4,<2.0",
+    "clickhouse-driver",
     "boto3>=1.35.95,<1.36.0",
     "slack-sdk>=3.9.0,<3.10.0",
     "asgiref>=3.8.1,<3.9.0",
@@ -181,6 +182,7 @@ flagsmith-ldap = { git = "https://github.com/flagsmith/flagsmith-ldap", tag = "v
 workflows-logic = { git = "https://github.com/flagsmith/flagsmith-workflows", tag = "v3.4.0" }
 licensing = { git = "https://github.com/flagsmith/licensing", tag = "v0.3.0" }
 flagsmith-private = { index = "flagsmith-pypi-production" }
+clickhouse-driver = { git = "https://github.com/Flagsmith/clickhouse-driver", branch = "newjson" }
 
 [tool.uv]
 required-version = "0.11.14"  # Ensure this matches the version in .pre-commit-config.yaml

api/uv.lock

@@ -55,6 +55,10 @@
                 {
                     "name": "ANALYTICS_DATABASE_URL",
                     "valueFrom": "arn:aws:secretsmanager:eu-west-2:302456015006:secret:ECS-API-heAdoB:ANALYTICS_DATABASE_URL::"
+                },
+                {
+                    "name": "CLICKHOUSE_URL",
+                    "valueFrom": "arn:aws:secretsmanager:eu-west-2:302456015006:secret:clickhouse-url-ns26gC"
                 }
             ],
             "logConfiguration": {