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DOC: Add notes explaining params is db driver dep. GH7573 #8266

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Sep 16, 2014
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DOC: Add notes explaining params is db driver dep. GH7573 #8266

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12 changes: 10 additions & 2 deletions pandas/io/sql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -341,7 +341,11 @@ def read_sql_query(sql, con, index_col=None, coerce_float=True, params=None,
Attempt to convert values to non-string, non-numeric objects (like
decimal.Decimal) to floating point, useful for SQL result sets
params : list, tuple or dict, optional
List of parameters to pass to execute method.
List of parameters to pass to execute method. The syntax used
to pass parameters is database driver dependent. Check your
database driver documentation for which of the five syntax styles,
described in PEP 249's paramstyle, is supported.
Eg. for psycopg2, uses %(name)s so use params={'name' : 'value'}
parse_dates : list or dict
- List of column names to parse as dates
- Dict of ``{column_name: format string}`` where format string is
Expand Down Expand Up @@ -387,7 +391,11 @@ def read_sql(sql, con, index_col=None, coerce_float=True, params=None,
Attempt to convert values to non-string, non-numeric objects (like
decimal.Decimal) to floating point, useful for SQL result sets
params : list, tuple or dict, optional
List of parameters to pass to execute method.
List of parameters to pass to execute method. The syntax used
to pass parameters is database driver dependent. Check your
database driver documentation for which of the five syntax styles,
described in PEP 249's paramstyle, is supported.
Eg. for psycopg2, uses %(name)s so use params={'name' : 'value'}
parse_dates : list or dict
- List of column names to parse as dates
- Dict of ``{column_name: format string}`` where format string is
Expand Down