server: fix issue with queries on character column types (close #6217)

GitOrigin-RevId: 81eaa0db63656b1d37b9b71736d4309af902cc47

CHANGELOG.md

@@ -14,6 +14,7 @@ keys in the response body.
 
 - server: fix issue of not exposing mutation functions to the admin role when function permissions are inferred (fix #6503)
 - server: add "resource_version" field to metadata for concurrency control - disable lookup during migrations
+- server: fix issue with queries on character column types (close #6217)
 - server: optimize resolving source. Resolving a source would create connection pools every time. Optimize that to re-create connection pools only when necessary. (#609)
 
 ## v1.4.0-alpha.1

server/src-lib/Hasura/Backends/Postgres/SQL/Types.hs

@@ -298,7 +298,7 @@ instance ToSQL PGScalarType where
     PGNumeric     -> "numeric"
     PGMoney       -> "money"
     PGBoolean     -> "boolean"
-    PGChar        -> "character"
+    PGChar        -> "bpchar"
     PGVarchar     -> "varchar"
     PGText        -> "text"
     PGCitext      -> "citext"
@@ -357,6 +357,8 @@ pgScalarTranslations =
   , ("boolean"                     , PGBoolean)
   , ("bool"                        , PGBoolean)
 
+  , ("bpchar"                      , PGChar)
+  , ("char"                        , PGChar)
   , ("character"                   , PGChar)
 
   , ("varchar"                     , PGVarchar)
@@ -401,7 +403,7 @@ isNumType PGMoney    = True
 isNumType _          = False
 
 stringTypes :: [PGScalarType]
-stringTypes = [PGVarchar, PGText, PGCitext]
+stringTypes = [PGVarchar, PGText, PGCitext, PGChar]
 
 isStringType :: PGScalarType -> Bool
 isStringType = (`elem` stringTypes)

server/tests-py/queries/graphql_query/boolexp/search/select_project_where_ilike.yaml

@@ -0,0 +1,18 @@
+# Test case for bug reported at https://github.com/hasura/graphql-engine/issues/6217
+description: Select projects with a given ID of type `character`
+url: /v1/graphql
+status: 200
+response:
+  data:
+    project:
+    - id: 'bcd'
+    - id: 'BCD'
+query:
+  query: |
+    query {
+      project (
+      where: {id: { _ilike: "b%"}}
+      ) {
+        id
+      }
+    }

server/tests-py/queries/graphql_query/boolexp/search/setup.yaml

@@ -66,7 +66,6 @@ args:
     schema: public
     name: article
 
-
 #Article table
 - type: track_table
   args:
@@ -91,8 +90,7 @@ args:
         table: article
         column: author_id
 
-
-#Insert values
+#Insert values: City table
 - type: insert
   args:
     table: city
@@ -106,3 +104,21 @@ args:
     - name: New Orleans
       country: USA
 
+# Project table
+- type: run_sql
+  args:
+    sql: |
+      CREATE TABLE project (
+        id CHAR(3) PRIMARY KEY
+      );
+
+      INSERT INTO project VALUES
+        ('abc'),
+        ('ABC'),
+        ('bcd'),
+        ('BCD');
+
+- type: track_table
+  args:
+    schema: public
+    name: project

server/tests-py/queries/graphql_query/boolexp/search/teardown.yaml

@@ -22,3 +22,8 @@ args:
   args:
     sql: |
       drop table city
+
+- type: run_sql
+  args:
+    sql: |
+      drop table project

server/tests-py/queries/v1/select/boolexp/search/select_project_where_ilike.yaml

@@ -0,0 +1,16 @@
+# Test case for bug reported at https://github.com/hasura/graphql-engine/issues/6217
+description: Select projects with a given ID of type `character`
+url: /v1/query
+status: 200
+response:
+  - id: 'bcd'
+  - id: 'BCD'
+query:
+  type: select
+  args:
+    table: project
+    where:
+      id:
+       $ilike: 'b%'
+    columns:
+    - id

server/tests-py/queries/v1/select/boolexp/search/setup.yaml

@@ -91,8 +91,7 @@ args:
         table: article
         column: author_id
 
-
-#Insert values
+#Insert values: City table
 - type: insert
   args:
     table: city
@@ -106,3 +105,21 @@ args:
     - name: New Orleans
       country: USA
 
+# Project table
+- type: run_sql
+  args:
+    sql: |
+      CREATE TABLE project (
+        id CHAR(3) PRIMARY KEY
+      );
+
+      INSERT INTO project VALUES
+        ('abc'),
+        ('ABC'),
+        ('bcd'),
+        ('BCD');
+
+- type: track_table
+  args:
+    schema: public
+    name: project

server/tests-py/queries/v1/select/boolexp/search/teardown.yaml

@@ -22,3 +22,8 @@ args:
   args:
     sql: |
       drop table city
+
+- type: run_sql
+  args:
+    sql: |
+      drop table project

server/tests-py/test_graphql_queries.py

@@ -389,6 +389,9 @@ class TestGraphQLQueryBoolExpSearch:
     def test_city_where_niregex(self, hge_ctx, transport):
         check_query_f(hge_ctx, self.dir() + '/select_city_where_niregex.yaml', transport)
 
+    def test_project_where_ilike(self, hge_ctx, transport):
+        check_query_f(hge_ctx, self.dir() + '/select_project_where_ilike.yaml', transport)
+
     @classmethod
     def dir(cls):
         return 'queries/graphql_query/boolexp/search'

server/tests-py/test_v1_queries.py

@@ -180,6 +180,9 @@ class TestV1SelectBoolExpSearch:
     def test_city_where_not_iregex(self, hge_ctx):
         check_query_f(hge_ctx, self.dir() + '/select_city_where_niregex.yaml')
 
+    def test_project_where_ilike(self, hge_ctx):
+        check_query_f(hge_ctx, self.dir() + '/select_project_where_ilike.yaml')
+
     @classmethod
     def dir(cls):
         return 'queries/v1/select/boolexp/search'