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docs(examples): add hashbytes example #10537

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Nov 30, 2024
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docs(examples): add hashbytes example #10537

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docs(examples): add hashbytes example
IndexSeek Nov 26, 2024
3d8b6e0
feat(mssql): add md2 and md4 hashbytes algos
IndexSeek Nov 26, 2024
8a91e78
Revert "feat(mssql): add md2 and md4 hashbytes algos"
IndexSeek Nov 30, 2024
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2 changes: 1 addition & 1 deletion ibis/backends/sql/compilers/mssql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -447,7 +447,7 @@ def visit_Not(self, op, *, arg):
return self.if_(arg, 1, 0).eq(0)

def visit_HashBytes(self, op, *, arg, how):
if how in ("md5", "sha1"):
if how in ("md2", "md4", "md5", "sha1"):
return self.f.hashbytes(how, arg)
elif how == "sha256":
return self.f.hashbytes("sha2_256", arg)
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4 changes: 4 additions & 0 deletions ibis/expr/operations/generic.py
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Expand Up @@ -246,6 +246,10 @@ class Hash(Value):
class HashBytes(Value):
arg: Value[dt.String | dt.Binary]
how: LiteralType[
"md2",
"MD2",
"md4",
"MD4",
"md5",
"MD5",
"sha1",
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10 changes: 8 additions & 2 deletions ibis/expr/types/strings.py
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Expand Up @@ -455,7 +455,7 @@ def hashbytes(
self,
how: Literal["md5", "sha1", "sha256", "sha512"] = "sha256",
) -> ir.BinaryValue:
"""Compute the binary hash value of the input.
r"""Compute the binary hash value of the input.

Parameters
----------
Expand All @@ -466,6 +466,12 @@ def hashbytes(
-------
BinaryValue
Binary expression

Examples
--------
>>> import ibis
>>> str_lit = ibis.literal("hello")
>>> result = str_lit.hashbytes("md5") # b']A@*\xbcK*v\xb9q\x9d\x91\x10\x17\xc5\x92'
"""
return ops.HashBytes(self, how).to_expr()

Expand All @@ -492,7 +498,7 @@ def hexdigest(
>>> t = ibis.memtable({"species": ["Adelie", "Chinstrap", "Gentoo"]})
>>> t.species.hexdigest()
┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓
┃ HexDigest(species) ┃
┃ HexDigest(species) ┃
┡━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┩
│ string │
├──────────────────────────────────────────────────────────────────┤
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