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EBAS reader: open db in read only mode only #1233

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merged 3 commits into from
Jun 28, 2024
Merged

EBAS reader: open db in read only mode only #1233

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1a64b33
open db in read only mode only
jgriesfeller Jun 28, 2024
3e96be6
move mode statement to another place
jgriesfeller Jun 28, 2024
f453e71
do the ro reading with the right parameters to sqlite3.connect
jgriesfeller Jun 28, 2024
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4 changes: 2 additions & 2 deletions pyaerocom/io/ebas_file_index.py
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Original file line number Diff line number Diff line change
Expand Up @@ -287,7 +287,7 @@ def get_table_names(self):
def get_table_columns(self, table_name):
"""Get all columns of a table in SQLite database file"""
req = f"select * from {table_name} where 1=0;"
with sqlite3.connect(self.database) as con:
with sqlite3.connect(f"file:{self.database}?mode=ro", uri=True) as con:
cur = con.cursor()
cur.execute(req)
return [f[0] for f in cur.description]
Expand Down Expand Up @@ -320,7 +320,7 @@ def execute_request(self, request, file_request=False):
raise ValueError(f"Unsupported request type {type(request)}")

try:
with sqlite3.connect(self.database) as con:
with sqlite3.connect(f"file:{self.database}?mode=ro", uri=True) as con:
cur = con.cursor()
cur.execute(sql_str)
return [f for f in cur.fetchall()]
Expand Down