refactor: move sqlite queries to sql directory

plugins/dbgate-plugin-sqlite/src/backend/sql/index.js

@@ -0,0 +1,8 @@
+const objects = require('./objects.js');
+const objectsConditioned = require('./objectsConditioned.js');
+const indexcols = require('./indexcols.js');
+module.exports = {
+  objects,
+  objectsConditioned,
+  indexcols,
+};

plugins/dbgate-plugin-sqlite/src/backend/sql/indexcols.js

@@ -0,0 +1,14 @@
+module.exports = `
+SELECT 
+    m.name as tableName,
+    il.name as constraintName,
+    il."unique" as isUnique,
+    ii.name as columnName,
+    il.origin
+  FROM sqlite_schema AS m,
+       pragma_index_list(m.name) AS il,
+       pragma_index_info(il.name) AS ii
+ WHERE m.type='table' AND il.origin <> 'pk'
+ ORDER BY ii.seqno, il.name
+  
+`;

plugins/dbgate-plugin-sqlite/src/backend/sql/objects.js

@@ -0,0 +1,3 @@
+module.exports = `
+select * from sqlite_master where (type='table' or type='view')
+`;

plugins/dbgate-plugin-sqlite/src/backend/sql/objectsConditioned.js

@@ -0,0 +1,3 @@
+module.exports = `
+select * from sqlite_master where (type='table' or type='view') and name =OBJECT_ID_CONDITION
+`;