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38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
# Таблица с категориями и действия с ними
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from dbtable import *
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class CathTable(DbTable):
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def table_name(self):
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return self.dbconn.prefix + "cath"
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def columns(self):
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return {"id": ["serial", "PRIMARY KEY"],
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"cath_name": ["varchar(32)", "NOT NULL"]}
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def table_constraints(self):
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return ['CONSTRAINT "Name" UNIQUE (cath_name)']
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def delete(self, val):
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sql = "DELETE FROM " + self.table_name()
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sql += " WHERE cath_name"
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sql += "=" + "'" + "".join(val) + "';"
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cur = self.dbconn.conn.cursor()
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cur.execute(sql)
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self.dbconn.conn.commit()
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def find_by_name(self, name):
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cur = self.dbconn.conn.cursor()
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sql_sel = "SELECT id FROM " + self.table_name()
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sql_sel += " WHERE cath_name = " + "'" + name + "'" + ";"
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cur.execute(sql_sel)
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ret = cur.fetchone()
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return list(ret)[0]
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# sql = "SELECT * FROM " + self.table_name()
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# sql += " ORDER BY "
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# sql += ", ".join(self.primary_key())
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# sql += " LIMIT 1 OFFSET %(offset)s"
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# cur.execute(sql, {"offset": num - 1})
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# print(cur)
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