Fix for default values with NOT NULL requirements being intepreted as requiring values in the frontend, presence check is now ignored if a default or auto value is found.

packages/server/scripts/integrations/mysql/init.sql

@@ -3,7 +3,7 @@ USE main;
 CREATE TABLE Persons (
     PersonID int NOT NULL AUTO_INCREMENT,
     CreatedAt datetime,
-    Age float,
+    Age float DEFAULT 20 NOT NULL,
     LastName varchar(255),
     FirstName varchar(255),
     Address varchar(255),

packages/server/scripts/integrations/postgres/init.sql

@@ -8,6 +8,7 @@ CREATE TABLE Persons (
     FirstName varchar(255),
     Address varchar(255),
     City varchar(255) DEFAULT 'Belfast',
+    Age INTEGER DEFAULT 20 NOT NULL,
     Type person_job
 );
 CREATE TABLE Tasks (

packages/server/src/integrations/microsoftSqlServer.ts

@@ -243,11 +243,13 @@ class SqlServerIntegration extends Sql implements DatasourcePlus {
         if (typeof name !== "string") {
           continue
         }
+        const isAuto = !!autoColumns.find(col => col === name)
+        const required = !!requiredColumns.find(col => col === name)
         schema[name] = {
-          autocolumn: !!autoColumns.find(col => col === name),
+          autocolumn: isAuto,
           name: name,
           constraints: {
-            presence: requiredColumns.find(col => col === name),
+            presence: required && !isAuto,
           },
           ...convertSqlType(def.DATA_TYPE),
           externalType: def.DATA_TYPE,

packages/server/src/integrations/mysql.ts

@@ -229,13 +229,15 @@ class MySQLIntegration extends Sql implements DatasourcePlus {
           if (column.Key === "PRI" && primaryKeys.indexOf(column.Key) === -1) {
             primaryKeys.push(columnName)
           }
-          const constraints = {
-            presence: column.Null !== "YES",
-          }
+          const hasDefault = column.Default != null
           const isAuto: boolean =
             typeof column.Extra === "string" &&
             (column.Extra === "auto_increment" ||
               column.Extra.toLowerCase().includes("generated"))
+          const required = column.Null !== "YES"
+          const constraints = {
+            presence: required && !isAuto && !hasDefault,
+          }
           schema[columnName] = {
             name: columnName,
             autocolumn: isAuto,

packages/server/src/integrations/postgres.ts

@@ -262,15 +262,17 @@ class PostgresIntegration extends Sql implements DatasourcePlus {
           column.identity_start ||
           column.identity_increment
         )
-        const constraints = {
-          presence: column.is_nullable === "NO",
-        }
-        const hasDefault =
+        const hasDefault = column.column_default != null
+        const hasNextVal =
           typeof column.column_default === "string" &&
           column.column_default.startsWith("nextval")
         const isGenerated =
           column.is_generated && column.is_generated !== "NEVER"
-        const isAuto: boolean = hasDefault || identity || isGenerated
+        const isAuto: boolean = hasNextVal || identity || isGenerated
+        const required = column.is_nullable === "NO"
+        const constraints = {
+          presence: required && !hasDefault && !isGenerated,
+        }
         tables[tableName].schema[columnName] = {
           autocolumn: isAuto,
           name: columnName,