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Merged
Xuanwo merged 1 commit into from
Dec 22, 2025
Merged

test: Add sqllogictests for pglance #5

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4 changes: 3 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,7 @@ pg14 = ["pgrx/pg14", "pgrx-tests/pg14" ]
pg15 = ["pgrx/pg15", "pgrx-tests/pg15" ]
pg16 = ["pgrx/pg16", "pgrx-tests/pg16" ]
pg17 = ["pgrx/pg17", "pgrx-tests/pg17" ]
pg_test = ["tempfile"]
pg_test = ["tempfile", "sqllogictest"]

[dependencies]
pgrx = "=0.14.3"
Expand All @@ -34,10 +34,12 @@ serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0"
chrono = "0.4"
base64 = "0.22"
sqllogictest = { version = "=0.29.0", optional = true }

[dev-dependencies]
pgrx-tests = "=0.14.3"
tempfile = "3.8"
sqllogictest = "=0.29.0"

[dependencies.tempfile]
version = "3.8"
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119 changes: 1 addition & 118 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -48,124 +48,7 @@ fn lance_import(
}

#[cfg(any(test, feature = "pg_test"))]
#[pg_schema]
mod tests {
use arrow::array::{
Array, BooleanArray, Float32Array, Int32Array, ListBuilder, StringArray, StructArray,
};
use arrow::datatypes::{DataType, Field, Schema};
use arrow::record_batch::RecordBatch;
use lance_rs::Dataset;
use pgrx::prelude::*;
use std::sync::Arc;
use tempfile::TempDir;

struct LanceTestDataGenerator {
temp_dir: TempDir,
}

impl LanceTestDataGenerator {
fn new() -> Result<Self, Box<dyn std::error::Error>> {
Ok(Self {
temp_dir: TempDir::new()?,
})
}

fn create_table_with_struct_and_list(
&self,
) -> Result<std::path::PathBuf, Box<dyn std::error::Error>> {
let table_path = self.temp_dir.path().join("fdw_table");

let id_array = Int32Array::from(vec![1, 2, 3]);
let name_array = StringArray::from(vec!["Alice", "Bob", "Charlie"]);
let active_array = BooleanArray::from(vec![true, false, true]);

let mut emb_builder = ListBuilder::new(arrow::array::Float32Builder::new());
for embedding in [
vec![0.1, 0.2, 0.3],
vec![0.4, 0.5, 0.6],
vec![0.7, 0.8, 0.9],
] {
for v in embedding {
emb_builder.values().append_value(v);
}
emb_builder.append(true);
}
let emb_array = emb_builder.finish();

let meta_score = Float32Array::from(vec![1.0, 2.0, 3.0]);
let meta_tag = StringArray::from(vec!["a", "b", "c"]);
let meta_struct = StructArray::from(vec![
(
Arc::new(Field::new("score", DataType::Float32, false)),
Arc::new(meta_score) as _,
),
(
Arc::new(Field::new("tag", DataType::Utf8, false)),
Arc::new(meta_tag) as _,
),
]);

let schema = Arc::new(Schema::new(vec![
Field::new("id", DataType::Int32, false),
Field::new("name", DataType::Utf8, false),
Field::new("active", DataType::Boolean, false),
Field::new(
"embedding",
DataType::List(Arc::new(Field::new("item", DataType::Float32, true))),
false,
),
Field::new("meta", meta_struct.data_type().clone(), false),
]));

let batch = RecordBatch::try_new(
schema.clone(),
vec![
Arc::new(id_array),
Arc::new(name_array),
Arc::new(active_array),
Arc::new(emb_array),
Arc::new(meta_struct),
],
)?;

let reader = arrow::record_batch::RecordBatchIterator::new(vec![Ok(batch)], schema);
let rt = tokio::runtime::Runtime::new().unwrap();
rt.block_on(async {
Dataset::write(reader, table_path.to_str().unwrap(), None).await
})?;

Ok(table_path)
}
}

#[pg_test]
fn test_fdw_import_and_scan() {
let gen = LanceTestDataGenerator::new().expect("generator");
let path = gen
.create_table_with_struct_and_list()
.expect("create table");
let uri = path.to_str().unwrap();

Spi::run("CREATE SERVER lance_srv FOREIGN DATA WRAPPER lance_fdw").expect("create server");

let import_sql = format!(
"SELECT lance_import('lance_srv', 'public', 't_fdw', '{}', NULL)",
uri.replace('\'', "''")
);
Spi::run(&import_sql).expect("lance_import");

let cnt = Spi::get_one::<i64>("SELECT count(*) FROM public.t_fdw")
.expect("count")
.expect("count value");
assert_eq!(cnt, 3);

let v = Spi::get_one::<String>("SELECT name FROM public.t_fdw WHERE id = 2")
.expect("select")
.expect("value");
assert_eq!(v, "Bob");
}
}
mod tests;

#[cfg(test)]
pub mod pg_test {
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