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[SPARK-32840][SQL] Invalid interval value can happen to be just adhesive with the unit #29708

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[SPARK-32840][SQL] Invalid interval value can happen to be just adhesive with the unit #29708

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[SPARK-32840][SQL] Invalid interval value can happen to be just adhes…
yaooqinn Sep 10, 2020
aa9e9bf
using valid interval value pattern
yaooqinn Sep 10, 2020
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address comments
yaooqinn Sep 10, 2020
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yaooqinn Sep 10, 2020
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9 changes: 8 additions & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -2120,6 +2120,8 @@ class AstBuilder(conf: SQLConf) extends SqlBaseBaseVisitor[AnyRef] with Logging
}
}

private final val alphabet = "[a-zA-Z]".r.pattern

@cloud-fan cloud-fan Sep 10, 2020

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instead of checking the invalid ones, how about we make sure the value only has digits and dots?

@yaooqinn yaooqinn Sep 10, 2020

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OK updated.


/**
* Creates a [[CalendarInterval]] with multiple unit value pairs, e.g. 1 YEAR 2 DAYS.
*/
Expand All @@ -2132,7 +2134,12 @@ class AstBuilder(conf: SQLConf) extends SqlBaseBaseVisitor[AnyRef] with Logging
val kvs = units.indices.map { i =>
val u = units(i).getText
val v = if (values(i).STRING() != null) {
string(values(i).STRING())
val value = string(values(i).STRING())
if (alphabet.matcher(value).find()) {
throw new ParseException("Can only use numbers in the interval value part for" +
s" multiple unit value pairs interval form, but got invalid value: $value", ctx)
}
value
} else {
values(i).getText
}
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2 changes: 2 additions & 0 deletions sql/core/src/test/resources/sql-tests/inputs/interval.sql
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Expand Up @@ -206,3 +206,5 @@ select interval '1.2';
select interval '- 2';
select interval '1 day -';
select interval '1 day 1';

select interval '1 day 2' day;
16 changes: 15 additions & 1 deletion sql/core/src/test/resources/sql-tests/results/ansi/interval.sql.out
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@@ -1,5 +1,5 @@
-- Automatically generated by SQLQueryTestSuite
-- Number of queries: 107
-- Number of queries: 108


-- !query
Expand Down Expand Up @@ -1122,3 +1122,17 @@ Cannot parse the INTERVAL value: 1 day 1(line 1, pos 7)
== SQL ==
select interval '1 day 1'
-------^^^


-- !query
select interval '1 day 2' day
-- !query schema
struct<>
-- !query output
org.apache.spark.sql.catalyst.parser.ParseException

Can only use numbers in the interval value part for multiple unit value pairs interval form, but got invalid value: 1 day 2(line 1, pos 16)

== SQL ==
select interval '1 day 2' day
----------------^^^
16 changes: 15 additions & 1 deletion sql/core/src/test/resources/sql-tests/results/interval.sql.out
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
-- Automatically generated by SQLQueryTestSuite
-- Number of queries: 107
-- Number of queries: 108


-- !query
Expand Down Expand Up @@ -1110,3 +1110,17 @@ Cannot parse the INTERVAL value: 1 day 1(line 1, pos 7)
== SQL ==
select interval '1 day 1'
-------^^^


-- !query
select interval '1 day 2' day
-- !query schema
struct<>
-- !query output
org.apache.spark.sql.catalyst.parser.ParseException

Can only use numbers in the interval value part for multiple unit value pairs interval form, but got invalid value: 1 day 2(line 1, pos 16)

== SQL ==
select interval '1 day 2' day
----------------^^^