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Support for generated columns, closes #1116

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This commit is contained in:
Simon Willison 2020-11-30 12:01:15 -08:00
commit 37f87b5e52
3 changed files with 76 additions and 8 deletions
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12
datasette/utils/__init__.py
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@ -64,7 +64,7 @@ HASH_LENGTH = 7
# Can replace this with Column from sqlite_utils when I add that dependency
Column = namedtuple(
"Column", ("cid", "name", "type", "notnull", "default_value", "is_pk")
"Column", ("cid", "name", "type", "notnull", "default_value", "is_pk", "hidden")
)
@ -460,11 +460,11 @@ def detect_primary_keys(conn, table):
" Figure out primary keys for a table. "
table_info_rows = [
row
for row in conn.execute(f'PRAGMA table_info("{table}")').fetchall()
if row[-1]
for row in conn.execute(f'PRAGMA table_xinfo("{table}")').fetchall()
if row["pk"]
]
table_info_rows.sort(key=lambda row: row[-1])
return [str(r[1]) for r in table_info_rows]
table_info_rows.sort(key=lambda row: row["pk"])
return [str(r["name"]) for r in table_info_rows]
def get_outbound_foreign_keys(conn, table):
@ -572,7 +572,7 @@ def table_columns(conn, table):
def table_column_details(conn, table):
return [
Column(*r)
for r in conn.execute(f"PRAGMA table_info({escape_sqlite(table)});").fetchall()
for r in conn.execute(f"PRAGMA table_xinfo({escape_sqlite(table)});").fetchall()
]