{ "id": "blmY6bhkfIfmPTBq", "active": true, "settings": { "executionOrder": "v1", "availableInMCP": true, "timeSavedMode": "fixed", "timezone": "America/Chicago", "callerPolicy": "workflowsFromSameOwner" }, "versionId": "66bd3e0f-64bb-4e81-8899-3de9586e0f74", "tags": [ { "name": "Support", "id": "afkM2DWOkTG3rGT2", "updatedAt": "2025-12-30T14:39:33.763Z", "createdAt": "2025-12-30T14:39:33.763Z" }, { "name": "DDL", "id": "QpQ8UVs2T3dB2n9J", "updatedAt": "2025-12-30T14:39:55.044Z", "createdAt": "2025-12-30T14:39:55.044Z" } ], "name": "Export Database DDL", "nodes": [ { "parameters": { "httpMethod": "POST", "path": "export-database-ddl", "responseMode": "responseNode", "options": {} }, "id": "0dd8d1fb-24d3-4613-abc8-11818f95f640", "name": "Webhook", "type": "n8n-nodes-base.webhook", "typeVersion": 2.1, "position": [ -32, -48 ] }, { "parameters": { "options": {} }, "id": "120ef36b-0978-4ebc-8de0-e826e1d5c29e", "name": "Loop Over Views", "type": "n8n-nodes-base.splitInBatches", "typeVersion": 3, "position": [ 608, 32 ], "onError": "continueRegularOutput" }, { "parameters": { "jsCode": "const viewName = $('Loop Over Views').item.json.TABLE_NAME;\nconst response = $input.item.json;\n\n// Check if query failed\nif (!response.success) {\n return [{\n json: {\n viewName: viewName,\n status: 'error',\n error: response.error,\n filePath: `/home/node/.n8n/db/api_wf/views/${viewName}.sql`,\n content: `-- ERROR: Could not export view ${viewName}\\n-- ${response.error}\\n`\n }\n }];\n}\n\nconst viewData = response.results.data[0];\nconst rawDDL = viewData['Create View'];\nconst warnings = response.warnings || [];\n\n// Clean up DDL: Remove DEFINER and ALGORITHM clauses\nconst cleanDDL = rawDDL.replace(\n /^CREATE\\s+ALGORITHM=\\w+\\s+DEFINER=`[^`]+`@`[^`]+`\\s+SQL\\s+SECURITY\\s+\\w+\\s+VIEW/i,\n 'CREATE OR REPLACE VIEW'\n);\n\n// Format SQL with proper line breaks\nlet formattedDDL = cleanDDL\n .replace(/\\s+AS\\s+select\\s+/i, ' AS\\n SELECT\\n ')\n .replace(/,\\s+/g, ',\\n ')\n .replace(/\\s+from\\s+/i, '\\n FROM ')\n .replace(/\\s+join\\s+/gi, '\\n JOIN ')\n .replace(/\\s+left\\s+join\\s+/gi, '\\n LEFT JOIN ')\n .replace(/\\s+where\\s+/i, '\\n WHERE ')\n .replace(/\\s+and\\s+/gi, '\\n AND ')\n .replace(/\\s+or\\s+/gi, '\\n OR ')\n .replace(/\\s+group\\s+by\\s+/i, '\\n GROUP BY ')\n .replace(/\\s+order\\s+by\\s+/i, '\\n ORDER BY ')\n .replace(/\\s+union\\s+all\\s+/gi, '\\n\\nUNION ALL\\n\\n')\n .replace(/\\s+union\\s+/gi, '\\n\\nUNION\\n\\n');\n\n// Check for warnings\nif (warnings.length > 0) {\n const warningMessages = warnings.map(w => `-- ${w.Level} ${w.Code}: ${w.Message}`).join('\\n');\n return [{\n json: {\n viewName: viewName,\n status: 'broken',\n warnings: warnings,\n filePath: `/workspace/db/dump/api_wf/views/${viewName}.sql`,\n content: `-- BROKEN VIEW\\n${warningMessages}\\n\\n-- Original DDL (commented out):\\n/*\\n${formattedDDL};\\n*/\\n`\n }\n }];\n}\n\n// Healthy view\nreturn [{\n json: {\n viewName: viewName,\n status: 'success',\n filePath: `/workspace/db/dump/api_wf/views/${viewName}.sql`,\n content: formattedDDL + ';\\n'\n }\n}];" }, "id": "6f6294e5-6368-4263-80b9-43f37c5bbb2a", "name": "Format DDL", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 912, 32 ], "notesInFlow": true, "onError": "continueRegularOutput" }, { "parameters": { "respondWith": "allIncomingItems", "options": {} }, "id": "a2268656-0197-489f-a75f-e6b6940cd437", "name": "Respond to Webhook", "type": "n8n-nodes-base.respondToWebhook", "typeVersion": 1.5, "position": [ 1040, 224 ] }, { "parameters": { "jsCode": "viewList = $input.item.json.view_list;\n return [{\n json: {\n body: {\n query: `SELECT table_name FROM information_schema.views WHERE table_schema = 'api_wf' ORDER BY table_name`\n }\n }\n }];\n" }, "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 96, 128 ], "id": "6fcf7332-14d4-4534-8ea5-637b90b046ac", "name": "Fetch View SQL" }, { "parameters": { "jsCode": "// Extract view names from adhoc-query response\n const response = $input.first().json;\n const views = response.results.data;\n\n // Prepare input for adhoc-query Execute Sub-workflow\n return views.map(v => ({\n json: {\n TABLE_NAME: v.TABLE_NAME,\n body: {\n query: `SHOW CREATE VIEW api_wf.${v.TABLE_NAME}`\n }\n }\n }));\n" }, "id": "73bd4870-7c72-4d75-afb7-f9f5cfc1ca49", "name": "Create Show View SQL", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 400, 128 ] }, { "parameters": { "workflowId": { "__rl": true, "value": "LVNm5RBSDkt51vG0", "mode": "list", "cachedResultUrl": "/workflow/LVNm5RBSDkt51vG0", "cachedResultName": "Adhoc Query" }, "workflowInputs": { "mappingMode": "defineBelow", "value": {}, "matchingColumns": [], "schema": [], "attemptToConvertTypes": false, "convertFieldsToString": true }, "options": {} }, "type": "n8n-nodes-base.executeWorkflow", "typeVersion": 1.2, "position": [ 752, 32 ], "name": "Sub-Create DDL", "id": "04774729-cdb1-47c7-82c7-30856dbca75a", "onError": "continueRegularOutput" }, { "parameters": { "workflowId": { "__rl": true, "value": "LVNm5RBSDkt51vG0", "mode": "list", "cachedResultUrl": "/workflow/LVNm5RBSDkt51vG0", "cachedResultName": "Adhoc Query" }, "workflowInputs": { "mappingMode": "defineBelow", "value": {}, "matchingColumns": [], "schema": [], "attemptToConvertTypes": false, "convertFieldsToString": true }, "options": {} }, "type": "n8n-nodes-base.executeWorkflow", "typeVersion": 1.2, "position": [ 256, 128 ], "name": "Get View List", "id": "0e2713b2-a8b7-4426-bd0d-a3d0841845fd" }, { "parameters": { "jsCode": "const fs = require('fs');\nconst path = require('path');\n\nconst data = $input.item.json;\nconst { viewName, filePath, content, status } = data;\n\n// Ensure directory exists\nconst dir = path.dirname(filePath);\nfs.mkdirSync(dir, { recursive: true });\n\n// Write file\ntry {\n fs.writeFileSync(filePath, content, 'utf8');\n console.log(`Wrote ${viewName}.sql (${status})`);\n} catch (error) {\n console.error(`Failed to write ${viewName}:`, error.message);\n}\n\n// CRITICAL: Return the same data for Loop Over Views to continue\nreturn [{\n json: data\n}];" }, "id": "write-files-code-node", "name": "Write Files", "type": "n8n-nodes-base.code", "typeVersion": 2, "position": [ 1520, 0 ] } ], "connections": { "Webhook": { "main": [ [ { "node": "Fetch View SQL", "type": "main", "index": 0 } ] ] }, "Loop Over Views": { "main": [ [ { "node": "Respond to Webhook", "type": "main", "index": 0 } ], [ { "node": "Sub-Create DDL", "type": "main", "index": 0 } ] ] }, "Format DDL": { "main": [ [ { "node": "Write Files", "type": "main", "index": 0 } ] ] }, "Fetch View SQL": { "main": [ [ { "node": "Get View List", "type": "main", "index": 0 } ] ] }, "Create Show View SQL": { "main": [ [ { "node": "Loop Over Views", "type": "main", "index": 0 } ] ] }, "Sub-Create DDL": { "main": [ [ { "node": "Format DDL", "type": "main", "index": 0 } ] ] }, "Get View List": { "main": [ [ { "node": "Create Show View SQL", "type": "main", "index": 0 } ] ] }, "Write Files": { "main": [ [ { "node": "Loop Over Views", "type": "main", "index": 0 } ] ] } }, "staticData": null }