Fix doc test problem

Author: chfw

doc/source/sqlalchemy.rst

@@ -7,7 +7,7 @@ Suppose we have a pure sql database connection via sqlalchemy:
     >>> from sqlalchemy.ext.declarative import declarative_base
     >>> from sqlalchemy import Column , Integer, String, Float, Date
     >>> from sqlalchemy.orm import sessionmaker
-    >>> engine=create_engine("sqlite:///tmp.db")
+    >>> engine=create_engine("sqlite:///sqlalchemy.db")
     >>> Base=declarative_base()
     >>> Session=sessionmaker(bind=engine)
 
@@ -24,12 +24,11 @@ Assume we have the following database table::
     ...     weight=Column(Float)
     ...     birth=Column(Date)
 
-Let's clear the database and create previous table in the database:
+Let's clear the database and create previous table in the database::
 
-    >>> Base.metadata.drop_all(engine)
     >>> Base.metadata.create_all(engine)
 
-And suppose we have the following data structure to be saved:
+And suppose we have the following data structure to be saved::
 
     >>> import datetime
     >>> data = [
@@ -191,4 +190,4 @@ Let's use previous data for reading and see if we could get them via
 
    >>> mysession.close()
    >>> import os
-   >>> os.unlink('tmp.db')
+   >>> os.unlink('sqlalchemy.db')

pyexcel_io/sqlbook.py

@@ -60,12 +60,13 @@ def sheets(self):
 class SQLTableWriter(SheetWriter):
     """Write to a table
     """
-    def __init__(self, session, table_params, **keywords):
+    def __init__(self, session, table_params, auto_commit=True, **keywords):
         self.session = session
         self.table = None
         self.initializer = None
         self.mapdict = None
         self.column_names = None
+        self.auto_commit = auto_commit
         self.keywords = keywords
         if len(table_params) == 4:
             self.table, self.column_names, self.mapdict, self.initializer = table_params
@@ -98,7 +99,7 @@ def _write_row(self, array):
         self.session.add(o)
 
     def close(self):
-        if 'auto_commit' in self.keywords and self.keywords['auto_commit'] == True:
+        if self.auto_commit:
             self.session.commit()