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Map TIMESTAMP_MILLIS to FROM_UNIXTIME #135

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Merged
gauravdawar-e6 merged 1 commit into from
Jul 31, 2025
Merged

Map TIMESTAMP_MILLIS to FROM_UNIXTIME #135

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6 changes: 6 additions & 0 deletions sqlglot/dialects/databricks.py
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Original file line number Diff line number Diff line change
Expand Up @@ -116,6 +116,12 @@ class Parser(Spark.Parser):
"TIMEDIFF": lambda args: exp.TimestampDiff(
unit=seq_get(args, 0), this=seq_get(args, 1), expression=seq_get(args, 2)
),
"TIMESTAMP_MILLIS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.UnixToTime.MILLIS
),
"TIMESTAMP_MICROS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.UnixToTime.MICROS
),
"TIMESTAMP_SECONDS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.Literal.string("seconds")
),
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7 changes: 6 additions & 1 deletion sqlglot/dialects/e6.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2121,6 +2121,11 @@ def from_unixtime_sql(
# If scale is milliseconds, use FROM_UNIXTIME_WITHUNIT
if scale_expr and scale_expr.this == "milliseconds":
return self.func("FROM_UNIXTIME_WITHUNIT", unix_expr, scale_expr)
if scale_expr and scale_expr.this == "microseconds":
# Convert microseconds to milliseconds by dividing by 1000
unix_expr_div = exp.Div(this=unix_expr, expression=exp.Literal.number(1000))
scale_expr = exp.Literal.string("milliseconds")
return self.func("FROM_UNIXTIME_WITHUNIT", unix_expr_div, scale_expr)

if not format_expr:
return self.func("FROM_UNIXTIME", unix_expr)
Expand Down Expand Up @@ -2445,7 +2450,7 @@ def split_sql(self, expression: exp.Split | exp.RegexpSplit):
"thursday",
"friday",
"saturday",
"variant"
"variant",
}

UNSIGNED_TYPE_MAPPING = {
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6 changes: 6 additions & 0 deletions sqlglot/dialects/spark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,12 @@ class Parser(Spark2.Parser):
"TYPEOF": lambda args: exp.TypeOf(this=seq_get(args, 0)),
"TIMESTAMP_LTZ": _build_as_cast("TIMESTAMP_LTZ"),
"TIMESTAMP_NTZ": _build_as_cast("TIMESTAMP_NTZ"),
"TIMESTAMP_MILLIS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.UnixToTime.MILLIS
),
"TIMESTAMP_MICROS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.UnixToTime.MICROS
),
"TIMESTAMP_SECONDS": lambda args: exp.UnixToTime(
this=seq_get(args, 0), scale=exp.Literal.string("seconds")
),
Expand Down