Add covering indexes to support super-size deployments

Resolves issues for enterprise customers with tonnes of data in these SQL tables:

- dmz_doc
- dmz_section

Multi-tenant compliant.

README.md

@@ -13,9 +13,9 @@ All you need to provide is PostgreSQL, Microsoft SQL Server or any MySQL variant
 
 ## Latest Release
 
-[Community Edition: v3.2.0](https://github.com/documize/community/releases)
+[Community Edition: v3.3.0](https://github.com/documize/community/releases)
 
-[Enterprise Edition: v3.2.0](https://www.documize.com/downloads)
+[Enterprise Edition: v3.3.0](https://www.documize.com/downloads)
 
 > *We provide frequent product updates for both cloud and self-hosted customers.*
 >

core/database/scripts/mysql/db_00031.sql

@@ -0,0 +1,5 @@
+/* Community edition */
+
+-- Indexes to improve performance
+CREATE UNIQUE INDEX idx_doc_4 ON dmz_doc(c_orgid,c_refid);
+CREATE UNIQUE INDEX idx_section_4 ON dmz_section(c_orgid,c_refid);

core/database/scripts/postgresql/db_00007.sql

@@ -0,0 +1,5 @@
+/* Community edition */
+
+-- Indexes to improve performance
+CREATE UNIQUE INDEX idx_doc_4 ON dmz_doc (c_orgid,c_refid);
+CREATE UNIQUE INDEX idx_section_4 ON dmz_section (c_orgid,c_refid);

core/env/runtime.go

@@ -44,8 +44,7 @@ type Runtime struct {
 	Product       domain.Product
 }
 
-// StartTx beings database transaction with application defined
+// StartTx begins database transaction with given transaction isolation level.
-// database transaction isolation level.
 // Any error encountered during this operation is logged to runtime logger.
 func (r *Runtime) StartTx(i sql.IsolationLevel) (tx *sqlx.Tx, ok bool) {
 	tx, err := r.Db.BeginTxx(context.Background(), &sql.TxOptions{Isolation: i})

edition/community.go

@@ -42,7 +42,7 @@ func main() {
 	rt.Product.Major = "3"
 	rt.Product.Minor = "3"
 	rt.Product.Patch = "0"
-	rt.Product.Revision = "190912103027"
+	rt.Product.Revision = "190912141927"
 	rt.Product.Version = fmt.Sprintf("%s.%s.%s", rt.Product.Major, rt.Product.Minor, rt.Product.Patch)
 	rt.Product.Edition = domain.CommunityEdition
 	rt.Product.Title = fmt.Sprintf("%s Edition", rt.Product.Edition)