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指标

网关前缀：${API_BASE}/metadata/metrics/...

DTO 字段说明（MetricDef）​

  • name 字符串，必填，指标名（唯一）
  • expression 字符串，必填，计算表达式（如 SQL 聚合表达式）
  • description 字符串，可选，描述

创建/更新指标​

  • POST /metrics
  • PUT /metrics/{name}
  • 参数组合示例：创建后更新表达式加过滤
curl -X POST "${API_BASE}/metadata/metrics" -H "Content-Type: application/json" \
  -d '{"name":"revenue","expression":"SUM(amount)","description":"Total revenue"}'

curl -X PUT "${API_BASE}/metadata/metrics/revenue" -H "Content-Type: application/json" \
  -d '{"expression":"SUM(amount) FILTER (WHERE status=\"PAID\")"}'

分页与按名称查询​

  • GET /metrics?page=&pageSize=&sortBy=&sortDirection=
  • GET /metrics/{name}
curl "${API_BASE}/metadata/metrics?page=0&pageSize=10"
curl -X GET "${API_BASE}/metadata/metrics/revenue"