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get_row_list#
View page sourceGet Data From a Table#
Syntax#
row_list = dismod_at.get_row_list (
connection , tbl_name , col_name )
connection#
is a connection for this database.
table_name#
is a str that specifies the name of the table.
We use the notation n_row for the number of rows in
the table.
col_name#
is a list of strings containing the names of the columns that we are retrieving data from. We use the notation n_col for the number of columns in col_name . You can determine the name of all the columns in the table using get_name_type .
row_list#
This is a list, with length n_row ,
where each element of the list is a list.
In addition, for each i , row_list [ i ] is a list
with length n_col .
The value row_list [ i ][ j ] corresponds to
primary key tbl_name _ id = i ,
and column col_name [ j ] .
The python type corresponding to the values in the table are
as follows:
Sql Table |
Python |
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You can determine the type for all the columns in the table using
get_name_type .
Note that the type integer primary key corresponds to
integer above.
Example#
The file get_row_list.py is an example use of
get_row_list .