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Enable quoting for Snowflake #140

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Enable quoting for Snowflake #140

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5 changes: 3 additions & 2 deletions lore/io/connection.py
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Original file line number Diff line number Diff line change
Expand Up @@ -186,12 +186,13 @@ def insert(self, table, dataframe, batch_size=10 ** 5):
try:
tmp = tempfile.NamedTemporaryFile(delete=False, suffix='.csv.gz')
tmp.close()
batch.to_csv(tmp.name, index=False, header=False, sep='|', na_rep='\\N', quoting=csv.QUOTE_NONE, compression='gzip')
batch.to_csv(tmp.name, index=False, header=False, sep='|', na_rep='\\N',
quotechar='"', quoting=csv.QUOTE_ALL, compression='gzip')
self._connection.connection.cursor().execute('PUT file://%(path)s @~/staged;' % {'path': tmp.name})
self._connection.connection.cursor().execute(
'COPY INTO %(table)s '
'FROM @~/staged '
'FILE_FORMAT = (TYPE = CSV FIELD_DELIMITER = \'|\' SKIP_HEADER = 0 COMPRESSION = GZIP) '
'FILE_FORMAT = (TYPE = CSV FIELD_DELIMITER = \'|\' SKIP_HEADER = 0 COMPRESSION = GZIP FIELD_OPTIONALLY_ENCLOSED_BY = \'"\') '
'PURGE = TRUE' % {
'table': table
}
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