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fix: Use JSONB for metadata column instead of JSON #230

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fix: Use JSONB for metadata column instead of JSON #230

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2 changes: 1 addition & 1 deletion langchain_postgres/v2/engine.py
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Original file line number Diff line number Diff line change
Expand Up @@ -256,7 +256,7 @@ async def _ainit_vectorstore_table(
nullable = "NOT NULL" if not column["nullable"] else ""
query += f',\n"{column["name"]}" {column["data_type"]} {nullable}'
if store_metadata:
query += f""",\n"{metadata_json_column}" JSON"""
query += f""",\n"{metadata_json_column}" JSONB"""
query += "\n);"

async with self._pool.connect() as conn:
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