chore: initial git load of code space

2026-05-12 08:52:33 -05:00
parent 9abada692f
commit 5e467bcc9c
384 changed files with 65960 additions and 2 deletions
@@ -0,0 +1,84 @@
+using Strata.SqlTools.SqlBreakdown.Extensions;
+
+namespace Strata.SqlTools.SqlBreakdown.Utilities;
+
+/// <summary>
+/// SQL schema and table helper methods.
+/// </summary>
+public static partial class SqlUtils
+{
+    /// <summary>
+    /// Returns SQL that will give you column information from a view or table.
+    /// Uses Parameters @ObjectName and @SchemaName and returns columns: SQLColumnName (varchar), SQLDataType, ColumnID, SQLDataTypeName, IsIdentity.
+    /// </summary>
+    /// <returns>A SQL query string for retrieving table or view schema information.</returns>
+    public static string GetTableOrViewSchema()
+    {
+        var sql = new StringBuilderEx();
+        sql.Append("select C.name as SQLColumnName, C.system_type_id as SQLDataType, C.column_id as ColumnID, ST.name AS SQLDataTypeName, C.is_identity AS IsIdentity from sys.tables T ");
+        sql.AppendLine("     inner join sys.columns C on C.object_id = T.object_id ");
+        sql.AppendLine("     inner join sys.schemas S on S.schema_id = T.schema_id ");
+        sql.AppendLine("     inner join sys.types st on st.user_type_id = c.user_type_id");
+        sql.AppendLine("     where T.name = @ObjectName and S.name = @SchemaName ");
+
+        sql.AppendLine("UNION ");
+
+        sql.Append("select C.name as SQLColumnName, C.system_type_id as SQLDataType, C.column_id as ColumnID, ST.name AS SQLDataTypeName, C.is_identity AS IsIdentity from sys.views V ");
+        sql.AppendLine("     inner join sys.columns C on C.object_id = V.object_id ");
+        sql.AppendLine("     inner join sys.schemas S on S.schema_id = V.schema_id ");
+        sql.AppendLine("     inner join sys.types st on st.user_type_id = c.user_type_id");
+        sql.AppendLine("     where V.name = @ObjectName and S.name = @SchemaName ");
+        sql.AppendLine("     order by ColumnID");
+
+        return sql.ToString();
+    }
+
+    /// <summary>
+    /// Gets a list of client-usable schemas (excluding system schemas).
+    /// </summary>
+    /// <returns>A list of schema names available to clients.</returns>
+    public static List<string> GetClientUsableSchemas()
+    {
+        var list = new List<string>();
+
+        try
+        {
+            // Would need to execute SQL here - skipping for this conversion
+            // var cmd = new StrataSimpleSQLRunner.SimpleSQLCommand("select * from sys.schemas where principal_id=1");
+            // var dt = StrataSimpleSQLRunner.ExecuteDatatable(cmd);
+            // foreach (DataRow row in dt.Rows)
+            // {
+            //     list.Add(row[0].ToString());
+            // }
+
+            // Remove system schemas
+            return list.Except(GetSystemSchemas()).ToList();
+        }
+        catch
+        {
+            // Ignore error and return empty list
+        }
+
+        return list;
+    }
+
+    /// <summary>
+    /// Gets a list of system schema names that should not be exposed to clients.
+    /// </summary>
+    /// <returns>A list of system schema names.</returns>
+    public static List<string> GetSystemSchemas()
+        => new List<string>
+        {
+            DEFAULT_SCHEMA,
+            "int",      // integration
+            "perf",
+            "audit",
+            "log",
+            "sqlgen",
+            "upgrade",
+            "upg",
+            "irc",      // irc chat rooms
+            "migration"
+        };
+}
+