class SimpleSqliteCilent(object):
def __init__(self):
self.con = SimpleSQLite("pandas_df.sqlite")
def createTableWithDf(self, dataframe, tableName):
self.con.create_table_from_dataframe(dataframe, tableName)
def dropTable(self, tableName):
self.con.drop_table(tableName)
def createTableWithList(self, tableName, columns):
self.con.create_table(tableName, columns)
def insertOneRow(self, tableName, columns):
self.con.insert(tableName, columns)
"""
返回的是tuple形式的结果
"""
def query(self, tableName, whereDict, operation="=", extra=None):
print len(whereDict.keys())
print "---------------"
if len(whereDict.keys()) != 1:
raise NotSupportParamError()
return self.con.select(select="*", table_name=tableName,\
where=SqlQuery.make_where(key=whereDict.keys()[0], value=whereDict[whereDict.keys()[0]],operation=operation),extra=extra).fetchall()
"""
根据where条件更新,目前仅支持1个条件
"""
def update(self, tableName, set_queryDict, whereDict):
print len(whereDict.keys())
print "---------------"
if len(whereDict.keys()) != 1:
raise NotSupportParamError()
set_queryStr = ""
for setKey, setValue in set_queryDict.items():
set_queryStr.join(setKey).join("=").join(setValue)
return self.con.update(tableName,set_query ="", \
where=SqlQuery.make_where(key=whereDict.keys()[0], \
value=whereDict[whereDict.keys()[0]])).fetchall()
"""
插入字典值形式的记录
"""
def insertMany(self, tableName, inert_dictList):
self.con.insert_many(tableName, inert_dictList)
##pass
def __del__(self):
if self.con is not None:
self.con.close()
def main():
table_name = "sample_table"
con = SimpleSQLite("sample.sqlite", "w")
data_matrix = [[1, "aaa"], [2, "bbb"]]
con.create_table_from_data_matrix(table_name, ["key", "value"],
data_matrix)
print("---- before update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
print()
con.update(table_name,
set_query="value = 'ccc'",
where=Where(key="key", value=1))
print("---- after update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
#!/usr/bin/env python
# encoding: utf-8
from __future__ import print_function
from simplesqlite import SimpleSQLite
from simplesqlite.query import Where
table_name = "sample_table"
con = SimpleSQLite("sample.sqlite", "w")
data_matrix = [[1, "aaa"], [2, "bbb"]]
con.create_table_from_data_matrix(table_name, ["key", "value"], data_matrix)
print("---- before update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
print()
con.update(table_name,
set_query="value = 'ccc'",
where=Where(key="key", value=1))
print("---- after update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
#!/usr/bin/env python
# encoding: utf-8
from __future__ import print_function
from simplesqlite import SimpleSQLite
from simplesqlite.query import Where
table_name = "sample_table"
con = SimpleSQLite("sample.sqlite", "w")
data_matrix = [[1, "aaa"], [2, "bbb"]]
con.create_table_from_data_matrix(table_name, ["key", "value"], data_matrix)
print("---- before update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
print()
con.update(table_name, set_query="value = 'ccc'", where=Where(key="key", value=1))
print("---- after update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
from simplesqlite import SimpleSQLite
from simplesqlite.sqlquery import SqlQuery
table_name = "sample_table"
con = SimpleSQLite("sample.sqlite", "w")
data_matrix = [
[1, "aaa"],
[2, "bbb"],
]
con.create_table_from_data_matrix(
table_name,
attr_name_list=["key", "value"],
data_matrix=data_matrix)
print("---- before update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
print()
con.update(
table_name,
set_query="value = 'ccc'",
where=SqlQuery.make_where(key="key", value=1))
print("---- after update ----")
for record in con.select(select="*", table_name=table_name).fetchall():
print(record)
