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Add toUnixTimestamp and fromUnixTimestamp functions #36

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Add toUnixTimestamp and fromUnixTimestamp functions #36

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35070a7
Initial plan
Copilot Feb 17, 2026
f4482ab
Add toUnixTimestamp and fromUnixTimestamp functions
Copilot Feb 17, 2026
be7b6fd
Remove codeql build artifacts from git tracking
Copilot Feb 17, 2026
7b31ca2
Merge branch 'main' into copilot/add-timestamp-functions
lmangani Feb 17, 2026
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2 changes: 2 additions & 0 deletions .gitignore
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Expand Up @@ -6,3 +6,5 @@ duckdb_unittest_tempdir/
testext
test/python/__pycache__/
.Rhistory
_codeql_build_dir/
_codeql_detected_source_root
2 changes: 2 additions & 0 deletions chsql/src/chsql_extension.cpp
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Expand Up @@ -100,6 +100,8 @@ namespace duckdb
{DEFAULT_SCHEMA, "toYYYYMMDD", {"date_expression", nullptr}, {{nullptr, nullptr}}, R"(DATE_FORMAT(date_expression, '%Y%m%d'))"},
{DEFAULT_SCHEMA, "toYYYYMMDDhhmmss", {"date_expression", nullptr}, {{nullptr, nullptr}}, R"(DATE_FORMAT(date_expression, '%Y%m%d%H%M%S'))"},
{DEFAULT_SCHEMA, "formatDateTime", {"time", "format", "timezone", nullptr}, {{nullptr, nullptr}}, R"(CASE WHEN timezone IS NULL THEN strftime(time, format) ELSE strftime(time AT TIME ZONE timezone, format) END)"},
{DEFAULT_SCHEMA, "toUnixTimestamp", {"date_expression", nullptr}, {{nullptr, nullptr}}, R"(CAST(EXTRACT(EPOCH FROM date_expression) AS BIGINT))"},
{DEFAULT_SCHEMA, "fromUnixTimestamp", {"unix_timestamp", nullptr}, {{nullptr, nullptr}}, R"(CAST(to_timestamp(unix_timestamp) AS TIMESTAMP))"},
// String Functions
{DEFAULT_SCHEMA, "empty", {"str", nullptr}, {{nullptr, nullptr}}, R"(LENGTH(str) = 0)"},
{DEFAULT_SCHEMA, "notEmpty", {"str", nullptr}, {{nullptr, nullptr}}, R"(LENGTH(str) > 0)"},
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10 changes: 10 additions & 0 deletions chsql/test/sql/chsql.test
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Expand Up @@ -324,6 +324,16 @@ SELECT toDayOfMonth('2023-05-15'::DATE)
----
15

query I
SELECT toUnixTimestamp('2023-05-15 10:30:45'::TIMESTAMP)
----
1684146645

query I
SELECT fromUnixTimestamp(1684146645)
----
2023-05-15 10:30:45

# String Functions
query I
SELECT empty('')
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