404 lines
19 KiB
Python
404 lines
19 KiB
Python
# -*- coding: utf-8 -*-
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"""手工示例数据灌入：按 schema_ODS_doc.sql 的表结构写入 ODS。"""
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from __future__ import annotations
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import json
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import os
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from datetime import datetime
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from typing import Any, Iterable
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from psycopg2.extras import Json, execute_values
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from .base_task import BaseTask
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class ManualIngestTask(BaseTask):
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"""本地示例 JSON 灌入 ODS，确保表名/主键/插入列与 schema_ODS_doc.sql 对齐。"""
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FILE_MAPPING: list[tuple[tuple[str, ...], str]] = [
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(("member_profiles",), "billiards_ods.member_profiles"),
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(("member_balance_changes",), "billiards_ods.member_balance_changes"),
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(("member_stored_value_cards",), "billiards_ods.member_stored_value_cards"),
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(("recharge_settlements",), "billiards_ods.recharge_settlements"),
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(("settlement_records",), "billiards_ods.settlement_records"),
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(("assistant_cancellation_records",), "billiards_ods.assistant_cancellation_records"),
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(("assistant_accounts_master",), "billiards_ods.assistant_accounts_master"),
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(("assistant_service_records",), "billiards_ods.assistant_service_records"),
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(("site_tables_master",), "billiards_ods.site_tables_master"),
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(("table_fee_discount_records",), "billiards_ods.table_fee_discount_records"),
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(("table_fee_transactions",), "billiards_ods.table_fee_transactions"),
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(("goods_stock_movements",), "billiards_ods.goods_stock_movements"),
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(("stock_goods_category_tree",), "billiards_ods.stock_goods_category_tree"),
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(("goods_stock_summary",), "billiards_ods.goods_stock_summary"),
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(("payment_transactions",), "billiards_ods.payment_transactions"),
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(("refund_transactions",), "billiards_ods.refund_transactions"),
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(("platform_coupon_redemption_records",), "billiards_ods.platform_coupon_redemption_records"),
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(("group_buy_redemption_records",), "billiards_ods.group_buy_redemption_records"),
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(("group_buy_packages",), "billiards_ods.group_buy_packages"),
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(("settlement_ticket_details",), "billiards_ods.settlement_ticket_details"),
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(("store_goods_master",), "billiards_ods.store_goods_master"),
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(("tenant_goods_master",), "billiards_ods.tenant_goods_master"),
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(("store_goods_sales_records",), "billiards_ods.store_goods_sales_records"),
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]
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TABLE_SPECS: dict[str, dict[str, Any]] = {
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"billiards_ods.member_profiles": {"pk": "id"},
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"billiards_ods.member_balance_changes": {"pk": "id"},
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"billiards_ods.member_stored_value_cards": {"pk": "id"},
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"billiards_ods.recharge_settlements": {"pk": "id"},
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"billiards_ods.settlement_records": {"pk": "id"},
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"billiards_ods.assistant_cancellation_records": {"pk": "id", "json_cols": ["siteProfile"]},
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"billiards_ods.assistant_accounts_master": {"pk": "id"},
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"billiards_ods.assistant_service_records": {"pk": "id", "json_cols": ["siteProfile"]},
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"billiards_ods.site_tables_master": {"pk": "id"},
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"billiards_ods.table_fee_discount_records": {"pk": "id", "json_cols": ["siteProfile", "tableProfile"]},
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"billiards_ods.table_fee_transactions": {"pk": "id", "json_cols": ["siteProfile"]},
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"billiards_ods.goods_stock_movements": {"pk": "siteGoodsStockId"},
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"billiards_ods.stock_goods_category_tree": {"pk": "id", "json_cols": ["categoryBoxes"]},
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"billiards_ods.goods_stock_summary": {"pk": "siteGoodsId"},
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"billiards_ods.payment_transactions": {"pk": "id", "json_cols": ["siteProfile"]},
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"billiards_ods.refund_transactions": {"pk": "id", "json_cols": ["siteProfile"]},
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"billiards_ods.platform_coupon_redemption_records": {"pk": "id"},
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"billiards_ods.tenant_goods_master": {"pk": "id"},
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"billiards_ods.group_buy_packages": {"pk": "id"},
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"billiards_ods.group_buy_redemption_records": {"pk": "id"},
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"billiards_ods.settlement_ticket_details": {
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"pk": "orderSettleId",
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"json_cols": ["memberProfile", "orderItem", "tenantMemberCardLogs"],
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},
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"billiards_ods.store_goods_master": {"pk": "id"},
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"billiards_ods.store_goods_sales_records": {"pk": "id"},
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}
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def get_task_code(self) -> str:
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"""返回任务编码。"""
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return "MANUAL_INGEST"
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def execute(self, cursor_data: dict | None = None) -> dict:
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"""从目录读取 JSON，按表定义批量入库（按文件提交事务，避免长事务导致连接不稳定）。"""
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data_dir = (
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self.config.get("manual.data_dir")
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or self.config.get("pipeline.ingest_source_dir")
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or os.path.join("tests", "testdata_json")
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)
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if not os.path.exists(data_dir):
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self.logger.error("Data directory not found: %s", data_dir)
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return {"status": "error", "message": "Directory not found"}
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counts = {"fetched": 0, "inserted": 0, "updated": 0, "skipped": 0, "errors": 0}
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include_files_cfg = self.config.get("manual.include_files") or []
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include_files = {str(x).strip().lower() for x in include_files_cfg if str(x).strip()} if include_files_cfg else set()
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for filename in sorted(os.listdir(data_dir)):
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if not filename.endswith(".json"):
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continue
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stem = os.path.splitext(filename)[0].lower()
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if include_files and stem not in include_files:
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continue
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filepath = os.path.join(data_dir, filename)
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try:
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with open(filepath, "r", encoding="utf-8") as fh:
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raw_entries = json.load(fh)
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except Exception:
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counts["errors"] += 1
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self.logger.exception("Failed to read %s", filename)
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continue
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entries = raw_entries if isinstance(raw_entries, list) else [raw_entries]
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records = self._extract_records(entries)
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if not records:
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counts["skipped"] += 1
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continue
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target_table = self._match_by_filename(filename)
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if not target_table:
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self.logger.warning("No mapping found for file: %s", filename)
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counts["skipped"] += 1
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continue
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self.logger.info("Ingesting %s into %s", filename, target_table)
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try:
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inserted, updated, row_errors = self._ingest_table(target_table, records, filename)
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counts["inserted"] += inserted
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counts["updated"] += updated
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counts["fetched"] += len(records)
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counts["errors"] += row_errors
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# 每个文件一次提交：降低单次事务体积，避免长事务/连接异常导致整体回滚失败。
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self.db.commit()
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except Exception:
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counts["errors"] += 1
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self.logger.exception("Error processing %s", filename)
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try:
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self.db.rollback()
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except Exception:
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pass
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# 若连接已断开，后续文件无法继续，直接抛出让上层处理（重连/重跑）。
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if getattr(self.db.conn, "closed", 0):
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raise
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continue
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return {"status": "SUCCESS", "counts": counts}
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def _match_by_filename(self, filename: str) -> str | None:
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"""根据文件名关键字匹配目标表。"""
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for keywords, table in self.FILE_MAPPING:
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if any(keyword and keyword in filename for keyword in keywords):
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return table
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return None
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def _extract_records(self, raw_entries: Iterable[Any]) -> list[dict]:
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"""兼容多层 data/list 包装，抽取记录列表。"""
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records: list[dict] = []
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for entry in raw_entries:
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if isinstance(entry, dict):
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preferred = entry
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if "data" in entry and not any(k not in {"data", "code"} for k in entry.keys()):
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preferred = entry["data"]
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data = preferred
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if isinstance(data, dict):
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# 特殊处理 settleList（充值、结算记录）：展开 data.settleList 下的 settleList，抛弃上层 siteProfile
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if "settleList" in data:
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settle_list_val = data.get("settleList")
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if isinstance(settle_list_val, dict):
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settle_list_iter = [settle_list_val]
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elif isinstance(settle_list_val, list):
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settle_list_iter = settle_list_val
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else:
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settle_list_iter = []
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handled = False
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for item in settle_list_iter or []:
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if not isinstance(item, dict):
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continue
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inner = item.get("settleList")
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merged = dict(inner) if isinstance(inner, dict) else dict(item)
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# 保留 siteProfile 供后续字段补充，但不落库
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site_profile = data.get("siteProfile")
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if isinstance(site_profile, dict):
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merged.setdefault("siteProfile", site_profile)
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records.append(merged)
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handled = True
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if handled:
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continue
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list_used = False
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for v in data.values():
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if isinstance(v, list) and v and isinstance(v[0], dict):
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records.extend(v)
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list_used = True
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break
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if list_used:
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continue
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if isinstance(data, list) and data and isinstance(data[0], dict):
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records.extend(data)
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elif isinstance(data, dict):
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records.append(data)
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elif isinstance(entry, list):
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records.extend([item for item in entry if isinstance(item, dict)])
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return records
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def _get_table_columns(self, table: str) -> list[tuple[str, str, str]]:
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"""查询 information_schema，获取目标表列信息。"""
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cache = getattr(self, "_table_columns_cache", {})
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if table in cache:
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return cache[table]
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if "." in table:
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schema, name = table.split(".", 1)
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else:
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schema, name = "public", table
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sql = """
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SELECT column_name, data_type, udt_name
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FROM information_schema.columns
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WHERE table_schema = %s AND table_name = %s
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ORDER BY ordinal_position
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"""
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with self.db.conn.cursor() as cur:
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cur.execute(sql, (schema, name))
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cols = [(r[0], (r[1] or "").lower(), (r[2] or "").lower()) for r in cur.fetchall()]
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cache[table] = cols
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self._table_columns_cache = cache
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return cols
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def _ingest_table(self, table: str, records: list[dict], source_file: str) -> tuple[int, int, int]:
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"""
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构建 INSERT/ON CONFLICT 语句并批量执行（优先向量化，小批次提交）。
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设计目标：
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- 控制单条 SQL 体积（避免一次性 VALUES 过大导致服务端 backend 被 OOM/异常终止）；
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- 发生异常时，可降级逐行并用 SAVEPOINT 跳过异常行；
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- 统计口径偏“尽量可跑通”，插入/更新计数为近似值（不强依赖 RETURNING）。
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"""
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spec = self.TABLE_SPECS.get(table)
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if not spec:
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raise ValueError(f"No table spec for {table}")
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pk_col = spec.get("pk")
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json_cols = set(spec.get("json_cols", []))
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json_cols_lower = {c.lower() for c in json_cols}
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columns_info = self._get_table_columns(table)
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columns = [c[0] for c in columns_info]
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db_json_cols_lower = {
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c[0].lower() for c in columns_info if c[1] in ("json", "jsonb") or c[2] in ("json", "jsonb")
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}
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pk_col_db = None
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if pk_col:
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pk_col_db = next((c for c in columns if c.lower() == pk_col.lower()), pk_col)
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pk_index = None
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if pk_col_db:
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try:
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pk_index = next(i for i, c in enumerate(columns_info) if c[0] == pk_col_db)
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except Exception:
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pk_index = None
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col_list = ", ".join(f'"{c}"' for c in columns)
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sql_prefix = f"INSERT INTO {table} ({col_list}) VALUES %s"
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if pk_col_db:
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update_cols = [c for c in columns if c != pk_col_db]
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set_clause = ", ".join(f'"{c}"=EXCLUDED."{c}"' for c in update_cols)
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sql_prefix += f' ON CONFLICT ("{pk_col_db}") DO UPDATE SET {set_clause}'
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params = []
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now = datetime.now()
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json_dump = lambda v: json.dumps(v, ensure_ascii=False) # noqa: E731
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for rec in records:
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merged_rec = rec if isinstance(rec, dict) else {}
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data_part = merged_rec.get("data")
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while isinstance(data_part, dict):
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merged_rec = {**data_part, **merged_rec}
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data_part = data_part.get("data")
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# 针对充值/结算，补齐 siteProfile 中的店铺信息
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if table in {
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"billiards_ods.recharge_settlements",
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"billiards_ods.settlement_records",
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}:
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site_profile = merged_rec.get("siteProfile") or merged_rec.get("site_profile")
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if isinstance(site_profile, dict):
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merged_rec.setdefault("tenantid", site_profile.get("tenant_id") or site_profile.get("tenantId"))
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merged_rec.setdefault("siteid", site_profile.get("id") or site_profile.get("siteId"))
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merged_rec.setdefault("sitename", site_profile.get("shop_name") or site_profile.get("siteName"))
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pk_val = self._get_value_case_insensitive(merged_rec, pk_col) if pk_col else None
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if pk_col and (pk_val is None or pk_val == ""):
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continue
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row_vals = []
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for col_name, data_type, udt in columns_info:
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col_lower = col_name.lower()
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if col_lower == "payload":
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row_vals.append(Json(rec, dumps=json_dump))
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continue
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if col_lower == "source_file":
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row_vals.append(source_file)
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continue
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if col_lower == "fetched_at":
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row_vals.append(merged_rec.get(col_name, now))
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continue
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value = self._normalize_scalar(self._get_value_case_insensitive(merged_rec, col_name))
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if col_lower in json_cols_lower or col_lower in db_json_cols_lower:
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row_vals.append(Json(value, dumps=json_dump) if value is not None else None)
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continue
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casted = self._cast_value(value, data_type)
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row_vals.append(casted)
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params.append(tuple(row_vals))
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if not params:
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return 0, 0, 0
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# 先尝试向量化执行（速度快）；若失败，再降级逐行并用 SAVEPOINT 跳过异常行。
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try:
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with self.db.conn.cursor() as cur:
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# 分批提交：降低单次事务/单次 SQL 压力，避免服务端异常中断连接。
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affected = 0
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chunk_size = int(self.config.get("manual.execute_values_page_size", 50) or 50)
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chunk_size = max(1, min(chunk_size, 500))
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for i in range(0, len(params), chunk_size):
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chunk = params[i : i + chunk_size]
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execute_values(cur, sql_prefix, chunk, page_size=len(chunk))
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if cur.rowcount is not None and cur.rowcount > 0:
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affected += int(cur.rowcount)
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# 这里无法精确拆分 inserted/updated（除非 RETURNING），按“受影响行数≈插入”近似返回。
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return int(affected), 0, 0
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except Exception as exc:
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self.logger.warning("批量入库失败，准备降级逐行处理：table=%s, err=%s", table, exc)
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try:
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self.db.rollback()
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except Exception:
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pass
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inserted = 0
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updated = 0
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errors = 0
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with self.db.conn.cursor() as cur:
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for row in params:
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cur.execute("SAVEPOINT sp_manual_ingest_row")
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try:
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cur.execute(sql_prefix.replace(" VALUES %s", f" VALUES ({', '.join(['%s'] * len(row))})"), row)
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inserted += 1
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cur.execute("RELEASE SAVEPOINT sp_manual_ingest_row")
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except Exception as exc: # noqa: BLE001
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errors += 1
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try:
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cur.execute("ROLLBACK TO SAVEPOINT sp_manual_ingest_row")
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cur.execute("RELEASE SAVEPOINT sp_manual_ingest_row")
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except Exception:
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pass
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pk_val = None
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if pk_index is not None:
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try:
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pk_val = row[pk_index]
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except Exception:
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pk_val = None
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self.logger.warning("跳过异常行：table=%s pk=%s err=%s", table, pk_val, exc)
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return inserted, updated, errors
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@staticmethod
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def _get_value_case_insensitive(record: dict, col: str | None):
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"""忽略大小写获取值，兼容 information_schema 与 JSON 原始字段。"""
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if record is None or col is None:
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return None
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if col in record:
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return record.get(col)
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col_lower = col.lower()
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for k, v in record.items():
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if isinstance(k, str) and k.lower() == col_lower:
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return v
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return None
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@staticmethod
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def _normalize_scalar(value):
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"""将空字符串/空 JSON 规范为 None，避免类型转换错误。"""
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if value == "" or value == "{}" or value == "[]":
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return None
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return value
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@staticmethod
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def _cast_value(value, data_type: str):
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"""根据列类型做简单转换，保证批量插入兼容。"""
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if value is None:
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return None
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dt = (data_type or "").lower()
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if dt in ("integer", "bigint", "smallint"):
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if isinstance(value, bool):
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return int(value)
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try:
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return int(value)
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except Exception:
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return None
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if dt in ("numeric", "double precision", "real", "decimal"):
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if isinstance(value, bool):
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return int(value)
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try:
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return float(value)
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except Exception:
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return None
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if dt.startswith("timestamp") or dt in ("date", "time", "interval"):
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return value if isinstance(value, str) else None
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return value
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