feat(editor): show and qualify multi-schema table names

Add shared schemaNames helpers and wire the SQL editor / tables
overview so object browser, autocomplete, generated SQL, and index
lookup APIs use schema.table for non-default schemas.

Co-authored-by: Venkat SF <venkatesh.sakamuri@stayflexi.com>

Author: cursoragent

backend/src/main/java/com/dbaagent/controller/SchemaController.java

@@ -260,7 +260,8 @@ public ResponseEntity<Map<String, Object>> executeQuery(
         }
     }
 
-    @GetMapping("/tables/{tableName}/indexes")
+    // `{tableName:.+}` keeps schema-qualified ids (`crm.orders`) as one segment.
+    @GetMapping("/tables/{tableName:.+}/indexes")
     public ResponseEntity<Map<String, Object>> getTableIndexes(
             @PathVariable String connectionId,
             @PathVariable String tableName) {
@@ -292,7 +293,7 @@ public ResponseEntity<Map<String, Object>> getTableIndexes(
         }
     }
 
-    @GetMapping("/tables/{tableName}/stats")
+    @GetMapping("/tables/{tableName:.+}/stats")
     public ResponseEntity<Map<String, Object>> getTableStats(
             @PathVariable String connectionId,
             @PathVariable String tableName) {

backend/src/main/java/com/dbaagent/provider/mysql/MySQLIntrospectionProvider.java

@@ -153,6 +153,16 @@ public List<TableIndex> getTableIndexes(Connection connection, String database,
         List<TableIndex> indexes = new ArrayList<>();
         Map<String, TableIndex> indexMap = new HashMap<>();
 
+        String schemaName = database;
+        String bareName = tableName;
+        if (tableName != null) {
+            int dot = tableName.lastIndexOf('.');
+            if (dot > 0) {
+                schemaName = tableName.substring(0, dot);
+                bareName = tableName.substring(dot + 1);
+            }
+        }
+
         String query = """
             SELECT INDEX_NAME, COLUMN_NAME, NON_UNIQUE, INDEX_TYPE, SEQ_IN_INDEX
             FROM INFORMATION_SCHEMA.STATISTICS
@@ -161,8 +171,8 @@ public List<TableIndex> getTableIndexes(Connection connection, String database,
             """;
 
         try (PreparedStatement stmt = connection.prepareStatement(query)) {
-            stmt.setString(1, database);
-            stmt.setString(2, tableName);
+            stmt.setString(1, schemaName);
+            stmt.setString(2, bareName);
 
             try (ResultSet rs = stmt.executeQuery()) {
                 while (rs.next()) {

backend/src/main/java/com/dbaagent/provider/postgres/PostgresIntrospectionProvider.java

@@ -204,6 +204,18 @@ public List<TableIndex> getTableIndexes(Connection connection, String database,
         List<TableIndex> indexes = new ArrayList<>();
         Map<String, TableIndex> indexMap = new HashMap<>();
 
+        // Accept bare `orders` or qualified `crm.orders` so multi-schema UIs
+        // don't silently merge indexes from every schema that shares the name.
+        String schemaName = null;
+        String bareName = tableName;
+        if (tableName != null) {
+            int dot = tableName.lastIndexOf('.');
+            if (dot > 0) {
+                schemaName = tableName.substring(0, dot);
+                bareName = tableName.substring(dot + 1);
+            }
+        }
+
         String query = """
             SELECT
                 i.relname AS index_name,
@@ -212,16 +224,21 @@ public List<TableIndex> getTableIndexes(Connection connection, String database,
                 ix.indisprimary AS is_primary,
                 am.amname AS index_type
             FROM pg_class t
+            JOIN pg_namespace n ON n.oid = t.relnamespace
             JOIN pg_index ix ON t.oid = ix.indrelid
             JOIN pg_class i ON i.oid = ix.indexrelid
             JOIN pg_attribute a ON a.attrelid = t.oid AND a.attnum = ANY(ix.indkey)
             JOIN pg_am am ON i.relam = am.oid
-            WHERE t.relname = ?
+            WHERE t.relkind IN ('r', 'p', 'm', 'v')
+              AND t.relname = ?
+              AND (?::text IS NULL OR n.nspname = ?)
             ORDER BY i.relname, a.attnum
             """;
 
         try (PreparedStatement stmt = connection.prepareStatement(query)) {
-            stmt.setString(1, tableName);
+            stmt.setString(1, bareName);
+            stmt.setString(2, schemaName);
+            stmt.setString(3, schemaName);
 
             try (ResultSet rs = stmt.executeQuery()) {
                 while (rs.next()) {