fix(quaint): extract constraint name from CockroachDB foreign key con…

…straint violation error (prisma#5002)

* fix(quaint): extract constraint name from cockroachdb foreign key constraint violation error

* chore: normalise "regex" version across multiple crates

* chore: adjust test assertions for "ForeignKeyViolation"

* chore: adjust test assertions for "ForeignKeyViolation"

* test(quaint): add explicit regression test for issue prisma/prisma#24072, via new macro "assert_connector_error"

* fix(ci): add fix for SQL Server 2017

* fix(ci): fix schema-engine for SQL Server 2017

* chore: get rid of leftover comments

* test(quaint): fix tests for MySQL 5.6, 5.7, and MongoDB

* chore: get rid of CI: True

* Revert "fix(ci): fix schema-engine for SQL Server 2017"

This reverts commit 5aebbbf.

* Revert "fix(ci): add fix for SQL Server 2017"

This reverts commit f7cdacd.

* test(quaint): fix for PlanetScale

* test(quaint): fix tests for PlanetScale

Cargo.toml

@@ -65,6 +65,7 @@ napi = { version = "2.15.1", default-features = false, features = [
 napi-derive = "2.15.0"
 js-sys = { version = "0.3" }
 rand = { version = "0.8" }
+regex = { version = "1", features = ["std"] }
 serde_repr = { version = "0.1.17" }
 serde-wasm-bindgen = { version = "0.5" }
 tracing = { version = "0.1" }

libs/prisma-value/Cargo.toml

@@ -7,7 +7,7 @@ version = "0.1.0"
 base64 = "0.13"
 chrono.workspace = true
 once_cell = "1.3"
-regex = "1.2"
+regex.workspace = true
 bigdecimal = "0.3"
 serde.workspace = true
 serde_json.workspace = true

libs/user-facing-errors/src/query_engine/mod.rs

@@ -68,10 +68,7 @@ pub struct UniqueKeyViolation {
 }
 
 #[derive(Debug, UserFacingError, Serialize)]
-#[user_facing(
-    code = "P2003",
-    message = "Foreign key constraint failed on the field: `{field_name}`"
-)]
+#[user_facing(code = "P2003", message = "Foreign key constraint violated: `{field_name}`")]
 pub struct ForeignKeyViolation {
     /// Field name from one model from Prisma schema
     pub field_name: String,

psl/psl-core/Cargo.toml

@@ -22,7 +22,7 @@ chrono = { workspace = true }
 connection-string.workspace = true
 itertools.workspace = true
 once_cell = "1.3.1"
-regex = "1.3.7"
+regex.workspace = true
 serde.workspace = true
 serde_json.workspace = true
 enumflags2.workspace = true

quaint/Cargo.toml

@@ -79,6 +79,7 @@ futures = "0.3"
 url.workspace = true
 hex = "0.4"
 itertools.workspace = true
+regex.workspace = true
 
 either = { version = "1.6" }
 base64 = { version = "0.12.3" }

quaint/src/connector/postgres/error.rs

@@ -1,3 +1,4 @@
+use regex::Regex;
 use std::fmt::{Display, Formatter};
 
 use crate::error::{DatabaseConstraint, Error, ErrorKind, Name};
@@ -28,6 +29,12 @@ impl Display for PostgresError {
     }
 }
 
+fn extract_fk_constraint_name(message: &str) -> Option<String> {
+    let re = Regex::new(r#"foreign key constraint "([^"]+)""#).unwrap();
+    re.captures(message)
+        .and_then(|caps| caps.get(1).map(|m| m.as_str().to_string()))
+}
+
 impl From<PostgresError> for Error {
     fn from(value: PostgresError) -> Self {
         match value.code.as_str() {
@@ -89,12 +96,8 @@ impl From<PostgresError> for Error {
                     builder.build()
                 }
                 None => {
-                    let constraint = value
-                        .message
-                        .split_whitespace()
-                        .nth(10)
-                        .and_then(|s| s.split('"').nth(1))
-                        .map(ToString::to_string)
+                    // `value.message` looks like `update on table "Child" violates foreign key constraint "Child_parent_id_fkey"`
+                    let constraint = extract_fk_constraint_name(value.message.as_str())
                         .map(DatabaseConstraint::Index)
                         .unwrap_or(DatabaseConstraint::CannotParse);
 

query-engine/black-box-tests/Cargo.toml

@@ -15,4 +15,4 @@ user-facing-errors.workspace = true
 insta = "1.7.1"
 enumflags2.workspace = true
 query-engine-metrics = {path = "../metrics"}
-regex = "1.9.3"
+regex.workspace = true

query-engine/connector-test-kit-rs/query-engine-tests/src/utils/querying.rs

@@ -34,6 +34,28 @@ macro_rules! match_connector_result {
     };
 }
 
+#[macro_export]
+macro_rules! assert_connector_error {
+    ($runner:expr, $q:expr, $code:expr, $( $($matcher:pat_param)|+ $( if $pred:expr )? => $msg:expr ),*) => {
+        use query_tests_setup::*;
+        use query_tests_setup::ConnectorVersion::*;
+
+        let connector = $runner.connector_version();
+
+        let mut results = match &connector {
+            $(
+                $( $matcher )|+ $( if $pred )? => $msg.to_string()
+            ),*
+        };
+
+        if results.len() == 0 {
+            panic!("No assertion failure defined for connector {connector}.");
+        }
+
+        $runner.query($q).await?.assert_failure($code, Some(results));
+    };
+}
+
 #[macro_export]
 macro_rules! is_one_of {
     ($result:expr, $potential_results:expr) => {

query-engine/connector-test-kit-rs/query-engine-tests/tests/new/ref_actions/on_delete/set_default.rs

@@ -80,7 +80,7 @@ mod one2one_req {
             runner,
             "mutation { deleteOneParent(where: { id: 1 }) { id }}",
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -187,7 +187,7 @@ mod one2one_opt {
             runner,
             "mutation { deleteOneParent(where: { id: 1 }) { id }}",
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -293,7 +293,7 @@ mod one2many_req {
             runner,
             "mutation { deleteOneParent(where: { id: 1 }) { id }}",
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -397,7 +397,7 @@ mod one2many_opt {
             runner,
             "mutation { deleteOneParent(where: { id: 1 }) { id }}",
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())

query-engine/connector-test-kit-rs/query-engine-tests/tests/new/ref_actions/on_update/set_default.rs

@@ -79,7 +79,7 @@ mod one2one_req {
             &runner,
             r#"mutation { updateOneParent(where: { id: 1 }, data: { uniq: "u1" }) { id }}"#,
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -182,7 +182,7 @@ mod one2one_opt {
             &runner,
             r#"mutation { updateOneParent(where: { id: 1 } data: { uniq: "u1" }) { id }}"#,
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -287,7 +287,7 @@ mod one2many_req {
             &runner,
             r#"mutation { updateOneParent(where: { id: 1 }, data: { uniq: "u1" }) { id }}"#,
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())
@@ -390,7 +390,7 @@ mod one2many_opt {
             &runner,
             r#"mutation { updateOneParent(where: { id: 1 }, data: { uniq: "u1" }) { id }}"#,
             2003,
-            "Foreign key constraint failed on the field"
+            "Foreign key constraint violated"
         );
 
         Ok(())

query-engine/connector-test-kit-rs/query-engine-tests/tests/new/regressions/mod.rs

@@ -27,6 +27,7 @@ mod prisma_21901;
 mod prisma_22007;
 mod prisma_22298;
 mod prisma_22971;
+mod prisma_24072;
 mod prisma_5952;
 mod prisma_6173;
 mod prisma_7010;

query-engine/connector-test-kit-rs/query-engine-tests/tests/new/regressions/prisma_24072.rs

@@ -0,0 +1,54 @@
+use indoc::indoc;
+use query_engine_tests::*;
+
+// Skip databases that don't support `onDelete: SetDefault`
+#[test_suite(
+    schema(schema),
+    exclude(
+        MongoDb,
+        MySql(5.6),
+        MySql(5.7),
+        Vitess("planetscale.js"),
+        Vitess("planetscale.js.wasm")
+    )
+)]
+mod prisma_24072 {
+    fn schema() -> String {
+        let schema = indoc! {
+            r#"model Parent {
+                #id(id, Int, @id)
+                child Child?
+            }
+
+            model Child {
+                #id(id, Int, @id)
+                parent_id Int?    @default(2) @unique
+                parent    Parent? @relation(fields: [parent_id], references: [id], onDelete: NoAction)
+            }"#
+        };
+
+        schema.to_owned()
+    }
+
+    // Deleting the parent without cascading to the child should fail with an explicitly named constraint violation,
+    // without any "(not available)" names.
+    #[connector_test]
+    async fn test_24072(runner: Runner) -> TestResult<()> {
+        insta::assert_snapshot!(
+          run_query!(&runner, r#"mutation { createOneParent(data: { id: 1, child: { create: { id: 1 }}}) { id }}"#),
+          @r###"{"data":{"createOneParent":{"id":1}}}"###
+        );
+
+        assert_connector_error!(
+          &runner,
+          "mutation { deleteOneParent(where: { id: 1 }) { id }}",
+          2003,
+          CockroachDb(_) | Postgres(_) | SqlServer(_) | Vitess(_) => "Foreign key constraint violated: `Child_parent_id_fkey (index)`",
+          MySql(_) => "Foreign key constraint violated: `parent_id`",
+          Sqlite(_) => "Foreign key constraint violated: `foreign key`",
+          _ => "Foreign key constraint violated"
+        );
+
+        Ok(())
+    }
+}

query-engine/connector-test-kit-rs/query-tests-setup/Cargo.toml

@@ -19,7 +19,7 @@ thiserror = "1.0"
 async-trait.workspace = true
 nom = "7.1"
 itertools.workspace = true
-regex = "1"
+regex.workspace = true
 serde.workspace = true
 tracing.workspace = true
 tracing-futures = "0.2"

query-engine/connectors/mongodb-query-connector/Cargo.toml

@@ -12,7 +12,7 @@ itertools.workspace = true
 mongodb.workspace = true
 bson.workspace = true
 rand.workspace = true
-regex = "1"
+regex.workspace = true
 serde_json.workspace = true
 thiserror = "1.0"
 tokio.workspace = true

schema-engine/connectors/mongodb-schema-connector/Cargo.toml

@@ -22,7 +22,7 @@ tokio.workspace = true
 tracing.workspace = true
 convert_case = "0.6.0"
 once_cell = "1.8.0"
-regex = "1.7.3"
+regex.workspace = true
 indoc.workspace = true
 
 [dev-dependencies]

schema-engine/connectors/sql-schema-connector/Cargo.toml

@@ -34,7 +34,7 @@ chrono.workspace = true
 connection-string.workspace = true
 enumflags2.workspace = true
 once_cell = "1.3"
-regex = "1"
+regex.workspace = true
 serde_json.workspace = true
 tracing.workspace = true
 tracing-futures = "0.2"

schema-engine/datamodel-renderer/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 [dependencies]
 once_cell = "1.15.0"
 psl.workspace = true
-regex = "1.6.0"
+regex.workspace = true
 base64 = "0.13.1"
 
 [dev-dependencies]

schema-engine/sql-schema-describer/Cargo.toml

@@ -14,7 +14,7 @@ enumflags2.workspace = true
 indexmap.workspace = true
 indoc.workspace = true
 once_cell = "1.3"
-regex = "1.2"
+regex.workspace = true
 serde.workspace = true
 tracing.workspace = true
 tracing-error = "0.2"