def deletTable(self, table):
'''
删除hbase中的表
:param table:表名
:return:
'''
with pool.connection() as conn:
conn.disable_table(table)
conn.delete_table(table)
def batchPut(self, table):
'''
批量插入数据
:param table:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
batch = t.batch(batch_size=10)
return batch
def queryMultilLines(self, table, list):
'''
返回多行数据，返回dict
:param table:表名
:param list:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
return dict(t.rows(list))
def querySingleLine(self, table, rowkey):
'''
返回单行数据，返回tuple
:param table:表名
:param rowkey:行键
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
return t.row(rowkey)
def singleDelete(self, table, rowkey):
'''
删除单行数据
:param table:
:param rowkey:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey)
def singlePut(self, table, rowkey, data):
'''
插入单条数据
:param table:
:param rowkey:
:param data:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.put(rowkey, data=data)
def deleteDetailColumns(self, table, rowkey, detailColumns):
'''
删除一个列族中的几个列的数据
:param table:
:param rowkey:
:param detailColumns:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey, columns=detailColumns)
def deleteColumns(self, table, rowkey, columns):
'''
删除多个列族的数据
:param table:
:param rowkey:
:param columns:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
t.delete(rowkey, columns=columns)
def batchDelete(self, table, rowkeys):
'''
批量删除数据
:param table:
:param rowkeys:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
with t.batch() as bat:
for rowkey in rowkeys:
bat.delete(rowkey)
def truncatTable(self, table, name, families):
'''
清空表
:param table:表名
:param name:
:param families:列簇
:return:
'''
with pool.connection() as conn:
conn.disable_table(table)
conn.delete_table(table)
conn.create_table(table, name, families)
def scanTable(self, table, row_start=None, row_stop=None, row_prefix=None):
'''
扫描一张表
:param table:表名
:param row_start:行键起
:param row_stop:行键止
:param row_prefix:
:return:
'''
with pool.connection() as conn:
t = happybase.Table(table, conn)
scan = t.scan(row_start=row_start,
row_stop=row_stop,
row_prefix=row_prefix)
for key, value in scan:
print(key, value)
