Update .gitignore, add dist directory

2026-07-20 21:43:05 +01:00
parent 9f2db66760
commit 3bbf00cdb0
153 changed files with 6280 additions and 1 deletions
@@ -0,0 +1,93 @@
+import _ from "lodash";
+import { AppData } from "../../data/app-data";
+import handleDBSchemaTable from "./handle-db-schema-table";
+import getExistingTablesFromTablesManagerTable from "./get-existing-tables-from-tables-manager-table";
+import MariaDBQuoteGen from "./mariadb-quote-gen";
+import runSchemaQuery, { querySchemaRows } from "./run-schema-query";
+import schemaCondition from "./schema-condition";
+import { removeDbManagerTable } from "./upsert-db-manager-table";
+export default async function handleDBSchemaTables(params) {
+    const { db_schema, config } = params;
+    /**
+     * Grab Tables that have been recorded in the Schema
+     * Manager Table
+     */
+    const existing_schema_tables = await getExistingTablesFromTablesManagerTable(params);
+    const schemaCond = schemaCondition(config);
+    const existing_live_tables = await querySchemaRows({
+        query: `SELECT TABLE_NAME FROM information_schema.TABLES WHERE ${schemaCond.where} AND TABLE_TYPE = 'BASE TABLE' AND TABLE_NAME != ?`,
+        values: [...schemaCond.values, AppData["DbSchemaManagerTableName"]],
+        config,
+    });
+    for (let i = 0; i < db_schema.tables.length; i++) {
+        const table = db_schema.tables[i];
+        if (!table)
+            continue;
+        const existing_table = existing_schema_tables.find((t) => t == table.tableName);
+        const existing_live_table = existing_live_tables.find((t) => t.TABLE_NAME == table.tableName);
+        await handleDBSchemaTable({
+            ...params,
+            table,
+            db_manager_table_name: existing_table,
+            existing_live_table,
+        });
+    }
+    /**
+     * Drop tables tracked by the manager but no longer in the schema.
+     * Skip drops when remaining schema tables still reference the table via FK
+     * (e.g. external tables like `users` that are referenced but not managed).
+     */
+    const schemaTableNames = db_schema.tables.map((t) => t.tableName);
+    const tablesToDrop = _.uniq(existing_schema_tables.filter((tableName) => Boolean(tableName) && !schemaTableNames.includes(tableName)));
+    if (tablesToDrop.length === 0) {
+        return;
+    }
+    const fkRows = await querySchemaRows({
+        query: `SELECT TABLE_NAME, REFERENCED_TABLE_NAME FROM information_schema.KEY_COLUMN_USAGE WHERE ${schemaCond.where} AND REFERENCED_TABLE_NAME IS NOT NULL`,
+        values: schemaCond.values,
+        config,
+    });
+    const referencedByRemaining = new Map();
+    for (const row of fkRows) {
+        if (!row.REFERENCED_TABLE_NAME ||
+            !tablesToDrop.includes(row.REFERENCED_TABLE_NAME)) {
+            continue;
+        }
+        // Referenced by a table we are keeping
+        if (schemaTableNames.includes(row.TABLE_NAME) ||
+            !tablesToDrop.includes(row.TABLE_NAME)) {
+            const list = referencedByRemaining.get(row.REFERENCED_TABLE_NAME) || [];
+            if (!list.includes(row.TABLE_NAME)) {
+                list.push(row.TABLE_NAME);
+            }
+            referencedByRemaining.set(row.REFERENCED_TABLE_NAME, list);
+        }
+    }
+    const safeToDrop = [];
+    for (const tableName of tablesToDrop) {
+        const dependents = referencedByRemaining.get(tableName);
+        if (dependents && dependents.length > 0) {
+            console.warn(`Skipping drop of table \`${tableName}\`: still referenced by ${dependents.join(", ")}. Removing from schema manager tracking only.`);
+            await removeDbManagerTable({ tableName, config });
+            continue;
+        }
+        safeToDrop.push(tableName);
+    }
+    if (safeToDrop.length === 0) {
+        return;
+    }
+    await runSchemaQuery({ query: `SET FOREIGN_KEY_CHECKS = 0`, config });
+    try {
+        for (const tableName of safeToDrop) {
+            console.log(`Dropping table: ${tableName}`);
+            await runSchemaQuery({
+                query: `DROP TABLE IF EXISTS ${MariaDBQuoteGen(tableName)}`,
+                config,
+            });
+            await removeDbManagerTable({ tableName, config });
+        }
+    }
+    finally {
+        await runSchemaQuery({ query: `SET FOREIGN_KEY_CHECKS = 1`, config });
+    }
+}