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db.analyze() and table.analyze() methods, refs #366

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Simon Willison 2022-01-10 11:48:38 -08:00
commit 541f64ddb0
3 changed files with 83 additions and 0 deletions
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sqlite_utils/db.py
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@ -923,6 +923,13 @@ class Database:
"Run a SQLite ``VACUUM`` against the database."
self.execute("VACUUM;")
def analyze(self, name=None):
"Run ``ANALYZE`` against the entire database or a named table or index."
sql = "ANALYZE"
if name is not None:
sql += " [{}]".format(name)
self.execute(sql)
class Queryable:
def exists(self) -> bool:
@ -2902,6 +2909,10 @@ class Table(Queryable):
)
return self
def analyze(self):
"Run ANALYZE against this table"
self.db.analyze(self.name)
def analyze_column(
self, column: str, common_limit: int = 10, value_truncate=None, total_rows=None
) -> "ColumnDetails":