diff --git a/lilac/data/dataset_duckdb.py b/lilac/data/dataset_duckdb.py
index 3827d063..56cefd09 100644
--- a/lilac/data/dataset_duckdb.py
+++ b/lilac/data/dataset_duckdb.py
@@ -1787,7 +1787,7 @@ def stats(self, leaf_path: Path, include_deleted: bool = False) -> StatsResult:
     avg_text_length: Optional[int] = None
     if leaf.dtype in (STRING, STRING_SPAN):
       avg_length_query = f"""
-        SELECT avg(length(val))
+        SELECT avg(length(CAST(val AS VARCHAR)))
         FROM (SELECT {inner_select} AS val FROM t {where_clause})
         USING SAMPLE {SAMPLE_AVG_TEXT_LENGTH};
       """
@@ -1835,10 +1835,16 @@ def stats(self, leaf_path: Path, include_deleted: bool = False) -> StatsResult:
       """
       row = self._query(min_max_query)[0]
       result.min_val, result.max_val = row
+      if is_temporal(leaf.dtype):
+        sample_where_clause = ''
+      else:
+        sample_where_clause = (
+          f"WHERE val != 0 {'AND NOT isnan(val)' if is_float(leaf.dtype) else ''}"
+        )
       sample_query = f"""
         SELECT COALESCE(ARRAY_AGG(val), [])
         FROM (SELECT {inner_select} as val FROM t {where_clause})
-        WHERE val != 0 {'AND NOT isnan(val)' if is_float(leaf.dtype) else ''}
+        {sample_where_clause}
         USING SAMPLE 100;
       """
       result.value_samples = list(self._query(sample_query)[0][0])
@@ -1894,9 +1900,9 @@ def select_groups(
       sql_bounds = []
       for label, start, end in named_bins:
         if start is None:
-          start = cast(float, "'-Infinity'")
+          start = cast(float, "'-Infinity'::FLOAT")
         if end is None:
-          end = cast(float, "'Infinity'")
+          end = cast(float, "'Infinity'::FLOAT")
         sql_bounds.append(f"('{label}', {start}, {end})")
 
       bin_index_col = 'col0'
diff --git a/lilac/data/dataset_test.py b/lilac/data/dataset_test.py
index eb6cb97c..3a47bfc6 100644
--- a/lilac/data/dataset_test.py
+++ b/lilac/data/dataset_test.py
@@ -177,8 +177,8 @@ def test_select_star(make_test_data: TestDataMaker) -> None:
   # Select * plus an inner `info.age` column.
   result = dataset.select_rows(['*', ('info', 'age')])
   assert list(result) == [
-    {'info.age': 40, 'info.age_2': 40, 'name': 'A'},
-    {'info.age': 42, 'info.age_2': 42, 'name': 'B'},
+    {'info.age': 40, 'info.age_1': 40, 'name': 'A'},
+    {'info.age': 42, 'info.age_1': 42, 'name': 'B'},
   ]
 
 
diff --git a/lilac/sources/csv_source.py b/lilac/sources/csv_source.py
index 7efd82ac..d25aa674 100644
--- a/lilac/sources/csv_source.py
+++ b/lilac/sources/csv_source.py
@@ -60,10 +60,7 @@ def setup(self) -> None:
 
     # NOTE: We use duckdb here to increase parallelism for multiple files.
     # NOTE: We turn off the parallel reader because of https://github.com/lilacai/lilac/issues/373.
-    self._con.execute(
-      f"""
-      CREATE SEQUENCE serial START 1;
-      CREATE VIEW t as (SELECT nextval('serial') as "{LINE_NUMBER_COLUMN}", * FROM read_csv_auto(
+    csv_source_sql = f"""read_csv_auto(
         {duckdb_paths},
         SAMPLE_SIZE=500000,
         HEADER={self.header},
@@ -71,17 +68,23 @@ def setup(self) -> None:
         DELIM='{self.delim or ','}',
         IGNORE_ERRORS=true,
         PARALLEL=false
-    ));
-    """
-    )
-
-    res = self._con.execute('SELECT COUNT(*) FROM t').fetchone()
+    )"""
+    res = self._con.execute(f'SELECT COUNT(*) FROM {csv_source_sql}').fetchone()
     num_items = cast(tuple[int], res)[0]
 
-    self._reader = self._con.execute('SELECT * from t').fetch_record_batch(rows_per_batch=10_000)
+    self._reader = self._con.execute(
+      f'SELECT 1::BIGINT as "{LINE_NUMBER_COLUMN}", * from {csv_source_sql}'
+    ).fetch_record_batch(rows_per_batch=10_000)
     # Create the source schema in prepare to share it between process and source_schema.
     schema = arrow_schema_to_schema(self._reader.schema)
     self._source_schema = SourceSchema(fields=schema.fields, num_items=num_items)
+    self._con.execute(
+      f"""
+      CREATE SEQUENCE serial START 1;
+      CREATE VIEW t as (
+        SELECT nextval('serial') as "{LINE_NUMBER_COLUMN}", * FROM {csv_source_sql});
+    """
+    )
 
   @override
   def source_schema(self) -> SourceSchema:
diff --git a/poetry.lock b/poetry.lock
index 5eea790b..5e5f6743 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1589,50 +1589,58 @@ files = [
 
 [[package]]
 name = "duckdb"
-version = "0.9.2"
-description = "DuckDB embedded database"
+version = "0.10.0"
+description = "DuckDB in-process database"
 optional = false
 python-versions = ">=3.7.0"
 files = [
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+    {file = "duckdb-0.10.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:4487d0df221b17ea4177ad08131bc606b35f25cfadf890987833055b9d10cdf6"},
+    {file = "duckdb-0.10.0-cp39-cp39-win_amd64.whl", hash = "sha256:c099ae2ff8fe939fda62da81704f91e2f92ac45e48dc0e37c679c9d243d01e65"},
+    {file = "duckdb-0.10.0.tar.gz", hash = "sha256:c02bcc128002aa79e3c9d89b9de25e062d1096a8793bc0d7932317b7977f6845"},
 ]
 
 [[package]]
@@ -3639,19 +3647,19 @@ retrying = "*"
 
 [[package]]
 name = "llama-index"
-version = "0.10.12"
+version = "0.10.18"
 description = "Interface between LLMs and your data"
 optional = true
-python-versions = ">=3.8.1,<3.12"
+python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "llama_index-0.10.12-py3-none-any.whl", hash = "sha256:6d179049112f0b4d65b908b2bc8e2521ed31db57f76b60b2fe3657ec5b71e5f9"},
-    {file = "llama_index-0.10.12.tar.gz", hash = "sha256:84150cdb52f84fbe527a321d10dfec361ffd2596a8ef1f13d19f2e36bb7a101d"},
+    {file = "llama_index-0.10.18-py3-none-any.whl", hash = "sha256:107a534d72b7d61927c2f013ebae1e385134f2ba044fced8716e1ef55d66cb12"},
+    {file = "llama_index-0.10.18.tar.gz", hash = "sha256:116c5d96d783bfcdb88be48f1da63c9d11c56edca062cd3ee85b6054859497f7"},
 ]
 
 [package.dependencies]
 llama-index-agent-openai = ">=0.1.4,<0.2.0"
 llama-index-cli = ">=0.1.2,<0.2.0"
-llama-index-core = ">=0.10.12,<0.11.0"
+llama-index-core = ">=0.10.18,<0.11.0"
 llama-index-embeddings-openai = ">=0.1.5,<0.2.0"
 llama-index-indices-managed-llama-cloud = ">=0.1.2,<0.2.0"
 llama-index-legacy = ">=0.9.48,<0.10.0"
@@ -3696,13 +3704,13 @@ llama-index-vector-stores-chroma = ">=0.1.1,<0.2.0"
 
 [[package]]
 name = "llama-index-core"
-version = "0.10.12"
+version = "0.10.18.post1"
 description = "Interface between LLMs and your data"
 optional = true
 python-versions = ">=3.8.1,<4.0"
 files = [
-    {file = "llama_index_core-0.10.12-py3-none-any.whl", hash = "sha256:47663cc3282684e6b7f06e905d98382aa3dbec5191ab72c239b4f19e0b08c041"},
-    {file = "llama_index_core-0.10.12.tar.gz", hash = "sha256:071e3a9ab2071c900657149cabf39199818e7244d16ef5cc096e5c0bff8174f4"},
+    {file = "llama_index_core-0.10.18.post1-py3-none-any.whl", hash = "sha256:e2383d0e865febfd8dfc96c1d02cd3ee99927c31b2eb3fbb50211d0829e538e5"},
+    {file = "llama_index_core-0.10.18.post1.tar.gz", hash = "sha256:0a197f27c13a9d88966469d2361f4f70fe1678d391602dd7a8ec65209c70a24b"},
 ]
 
 [package.dependencies]
@@ -6429,6 +6437,7 @@ files = [
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     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515"},
+    {file = "PyYAML-6.0.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290"},
     {file = "PyYAML-6.0.1-cp310-cp310-win32.whl", hash = "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924"},
     {file = "PyYAML-6.0.1-cp310-cp310-win_amd64.whl", hash = "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d"},
     {file = "PyYAML-6.0.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007"},
@@ -6436,8 +6445,16 @@ files = [
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     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673"},
+    {file = "PyYAML-6.0.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b"},
     {file = "PyYAML-6.0.1-cp311-cp311-win32.whl", hash = "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741"},
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
+    {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win_amd64.whl", hash = "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df"},
     {file = "PyYAML-6.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c"},
@@ -6454,6 +6471,7 @@ files = [
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735"},
+    {file = "PyYAML-6.0.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6"},
     {file = "PyYAML-6.0.1-cp38-cp38-win32.whl", hash = "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206"},
     {file = "PyYAML-6.0.1-cp38-cp38-win_amd64.whl", hash = "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62"},
     {file = "PyYAML-6.0.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8"},
@@ -6461,6 +6479,7 @@ files = [
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c"},
+    {file = "PyYAML-6.0.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5"},
     {file = "PyYAML-6.0.1-cp39-cp39-win32.whl", hash = "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c"},
     {file = "PyYAML-6.0.1-cp39-cp39-win_amd64.whl", hash = "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486"},
     {file = "PyYAML-6.0.1.tar.gz", hash = "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43"},
@@ -9220,4 +9239,4 @@ text-stats = ["textacy"]
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.9,<4.0"
-content-hash = "e5fccb9c56ea1ac39d309d248da96123cb9ce2574dd0ac55b81870a829557727"
+content-hash = "e6b165a868ad8840c8191241120166492bd6948a7c24873a110cb2822e86dff3"
diff --git a/pyproject.toml b/pyproject.toml
index 44c3888d..8cde81d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ version = "0.3.9"
 authlib = "^1.2.1"
 click = "^8.1.3"
 datasets = "^2.12.0"
-duckdb = "^0.9.2"
+duckdb = "^0.10.0"
 fastapi = "^0.109.1"
 fsspec = "^2023.9.2"
 gcsfs = "^2023.9.2"