chore: Migrate geo_st_intersection_op operator to SQLGlot

Author: jialuoo

bigframes/core/compile/sqlglot/expressions/geo_ops.py

@@ -114,3 +114,8 @@ def _(expr: TypedExpr) -> sge.Expression:
 @register_binary_op(ops.geo_st_difference_op)
 def _(left: TypedExpr, right: TypedExpr) -> sge.Expression:
     return sge.func("ST_DIFFERENCE", left.expr, right.expr)
+
+
+@register_binary_op(ops.geo_st_intersection_op)
+def _(left: TypedExpr, right: TypedExpr) -> sge.Expression:
+    return sge.func("ST_INTERSECTION", left.expr, right.expr)

tests/unit/core/compile/sqlglot/expressions/snapshots/test_geo_ops/test_geo_st_intersection/out.sql

@@ -0,0 +1,13 @@
+WITH `bfcte_0` AS (
+  SELECT
+    `geography_col`
+  FROM `bigframes-dev`.`sqlglot_test`.`scalar_types`
+), `bfcte_1` AS (
+  SELECT
+    *,
+    ST_INTERSECTION(`geography_col`, `geography_col`) AS `bfcol_1`
+  FROM `bfcte_0`
+)
+SELECT
+  `bfcol_1` AS `geography_col`
+FROM `bfcte_1`

tests/unit/core/compile/sqlglot/expressions/test_geo_ops.py

@@ -99,6 +99,14 @@ def test_geo_st_geogfromtext(scalar_types_df: bpd.DataFrame, snapshot):
     snapshot.assert_match(sql, "out.sql")
 
 
+def test_geo_st_intersection(scalar_types_df: bpd.DataFrame, snapshot):
+    col_name = "geography_col"
+    bf_df = scalar_types_df[[col_name]]
+    sql = utils._apply_binary_op(bf_df, ops.geo_st_intersection_op, col_name, col_name)
+
+    snapshot.assert_match(sql, "out.sql")
+
+
 def test_geo_st_isclosed(scalar_types_df: bpd.DataFrame, snapshot):
     col_name = "geography_col"
     bf_df = scalar_types_df[[col_name]]