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feat(optimizer)!: Add function and annotate snowflake HEX DECODE STRING and BINARY functions #5928

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Merged
merged 2 commits into from
Sep 20, 2025
Merged

feat(optimizer)!: Add function and annotate snowflake HEX DECODE STRING and BINARY functions #5928

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0307958
feat(optimizer)!: Add function and annotate snowflake hex decode stri…
fivetran-amrutabhimsenayachit Sep 19, 2025
1deb166
Merge branch 'main' into RD-1036060-add-functions-and-annotate-for-sn…
georgesittas Sep 20, 2025
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2 changes: 2 additions & 0 deletions sqlglot/dialects/snowflake.py
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Expand Up @@ -542,6 +542,7 @@ class Snowflake(Dialect):
exp.AISummarizeAgg,
exp.Chr,
exp.Collate,
exp.HexDecodeString,
exp.RegexpExtract,
exp.RegexpReplace,
exp.Repeat,
Expand All @@ -557,6 +558,7 @@ class Snowflake(Dialect):
exp.MD5Digest,
exp.SHA1Digest,
exp.SHA2Digest,
exp.Unhex,
},
exp.DataType.Type.BIGINT: {
*Dialect.TYPE_TO_EXPRESSIONS[exp.DataType.Type.BIGINT],
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4 changes: 4 additions & 0 deletions sqlglot/expressions.py
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Expand Up @@ -6469,6 +6469,10 @@ class Hex(Func):
pass


class HexDecodeString(Func):
pass


class LowerHex(Hex):
pass

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1 change: 1 addition & 0 deletions tests/dialects/test_snowflake.py
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Expand Up @@ -34,6 +34,7 @@ def test_snowflake(self):
"SELECT BASE64_DECODE_BINARY('SGVsbG8=', 'ABCDEFGHwxyz0123456789+/')"
)

self.validate_identity("SELECT HEX_DECODE_STRING('48656C6C6F')")
self.validate_identity("SELECT CHR(8364)")
self.validate_identity("SELECT {*} FROM my_table")
self.validate_identity("SELECT {my_table.*} FROM my_table")
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8 changes: 8 additions & 0 deletions tests/fixtures/optimizer/annotate_functions.sql
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Expand Up @@ -1575,6 +1575,14 @@ INT;
BASE64_DECODE_BINARY('SGVsbG8=');
BINARY;

# dialect: snowflake
HEX_DECODE_BINARY('48656C6C6F');
BINARY;

# dialect: snowflake
HEX_DECODE_STRING('48656C6C6F');
VARCHAR;

# dialect: snowflake
CHARINDEX('world', 'hello world');
INT;
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