39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
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import psycopg2
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c = psycopg2.connect(host='47.92.216.173', port=7654, user='postgres', password='zhangsan', database='xian_new')
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cur = c.cursor()
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tables = ['lifeline_outfall', 'lifeline_pipe', 'risk_census_population', 'hazard_waterlogging', 'sx_street', 'sx_xa_county']
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print("=== qgis schema ===")
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for t in tables:
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try:
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cur.execute(f'SELECT COUNT(*) FROM qgis."{t}"')
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count = cur.fetchone()[0]
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cur.execute(f"SELECT GeometryType(geom) FROM qgis.\"{t}\" LIMIT 1")
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g = cur.fetchone()
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print(f" qgis.{t}: {count} 行, geom={g[0] if g else 'N/A'}")
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except Exception as e:
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print(f" qgis.{t}: 不存在")
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print("\n=== base schema (检查积水点原始表) ===")
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for t in ['hazard_waterlogging']:
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try:
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cur.execute(f'SELECT COUNT(*) FROM base."{t}"')
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print(f" base.{t}: {cur.fetchone()[0]} 行")
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except:
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print(f" base.{t}: 不存在")
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# 查找所有含 water 或 hazard 的表
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print("\n=== 搜索含 water/hazard 的表 ===")
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cur.execute("""
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SELECT table_schema, table_name
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FROM information_schema.tables
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WHERE (table_name LIKE '%water%' OR table_name LIKE '%hazard%')
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AND table_schema IN ('qgis', 'base', 'public')
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ORDER BY table_schema, table_name
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""")
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for r in cur.fetchall():
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print(f" {r[0]}.{r[1]}")
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c.close()
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