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separate columns by tabs instead of single space in sql sample rows (#1348)

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Use tabs to separate columns instead of a single space - confusing when
there are spaces in a cell
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Jon Luo 2023-02-28 21:59:53 -05:00 committed by GitHub
parent 6c629b54e6
commit 35f1e8f569
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2 changed files with 13 additions and 5 deletions
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14
docs/modules/chains/examples/sqlite.ipynb
View File

@ -379,9 +379,17 @@
")\n", ")\n",
"\n", "\n",
"SELECT * FROM 'Track' LIMIT 2;\n", "SELECT * FROM 'Track' LIMIT 2;\n",
"TrackId Name AlbumId MediaTypeId GenreId Composer Milliseconds Bytes UnitPrice\n", "TrackId\tName\tAlbumId\tMediaTypeId\tGenreId\tComposer\tMilliseconds\tBytes\tUnitPrice\n",
"1 For Those About To Rock (We Salute You) 1 1 1 Angus Young, Malcolm Young, Brian Johnson 343719 11170334 0.99\n", "1\tFor Those About To Rock (We Salute You)\t1\t1\t1\tAngus Young, Malcolm Young, Brian Johnson\t343719\t11170334\t0.99\n",
"2 Balls to the Wall 2 2 1 None 342562 5510424 0.99\n" "2\tBalls to the Wall\t2\t2\t1\tNone\t342562\t5510424\t0.99\n"
]
},
{
"name": "stderr",
"output_type": "stream",
"text": [
"/home/jon/projects/langchain/langchain/sql_database.py:121: SAWarning: Dialect sqlite+pysqlite does *not* support Decimal objects natively, and SQLAlchemy must convert from floating point - rounding errors and other issues may occur. Please consider storing Decimal numbers as strings or integers on this platform for lossless storage.\n",
" sample_rows = connection.execute(command)\n"
] ]
} }
], ],

4
langchain/sql_database.py
View File

@ -133,7 +133,7 @@ class SQLDatabase:
) )
# save the columns in string format # save the columns in string format
columns_str = " ".join([col.name for col in table.columns]) columns_str = "\t".join([col.name for col in table.columns])
try: try:
# get the sample rows # get the sample rows
@ -145,7 +145,7 @@ class SQLDatabase:
) )
# save the sample rows in string format # save the sample rows in string format
sample_rows_str = "\n".join([" ".join(row) for row in sample_rows]) sample_rows_str = "\n".join(["\t".join(row) for row in sample_rows])
# in some dialects when there are no rows in the table a # in some dialects when there are no rows in the table a
# 'ProgrammingError' is returned # 'ProgrammingError' is returned