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SQL: Fix display size for DATE/DATETIME #40669

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merged 4 commits into from
Apr 3, 2019
Merged

SQL: Fix display size for DATE/DATETIME #40669

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c4b10b6
SQL: Fix displa size for DATE/DATETIME
matriv Mar 30, 2019
86b7423
Remove 6 digits from precision.
matriv Apr 1, 2019
06b36eb
Fix test
matriv Apr 1, 2019
18c0d45
Merge remote-tracking branch 'upstream/master' into mt/fix-datetime-p…
matriv Apr 1, 2019
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4 changes: 4 additions & 0 deletions docs/reference/sql/functions/date-time.asciidoc
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Expand Up @@ -187,6 +187,10 @@ relative date/time filtering:
include-tagged::{sql-specs}/docs/docs.csv-spec[filterNow]
--------------------------------------------------

[IMPORTANT]
Currently, Using a _precision_ greater than 3 doesn't make any difference to the output of the
function as the maximum number of second fractional digits returned is 3 (milliseconds).

[[sql-functions-datetime-day]]
==== `DAY_OF_MONTH/DOM/DAY`

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4 changes: 2 additions & 2 deletions docs/reference/sql/language/data-types.asciidoc
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Expand Up @@ -26,7 +26,7 @@ s|SQL precision
| <<keyword, `keyword`>> | keyword | VARCHAR | 32,766
| <<text, `text`>> | text | VARCHAR | 2,147,483,647
| <<binary, `binary`>> | binary | VARBINARY | 2,147,483,647
| <<date, `date`>> | datetime | TIMESTAMP | 24
| <<date, `date`>> | datetime | TIMESTAMP | 29
| <<ip, `ip`>> | ip | VARCHAR | 39

4+h| Complex types
Expand Down Expand Up @@ -66,7 +66,7 @@ s|SQL type
s|SQL precision


| date | 24
| date | 29
| time | 18
| interval_year | 7
| interval_month | 7
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10 changes: 5 additions & 5 deletions x-pack/plugin/sql/qa/src/main/java/org/elasticsearch/xpack/sql/qa/SqlProtocolTestCase.java
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Expand Up @@ -67,16 +67,16 @@ public void testTextualType() throws IOException {

public void testDateTimes() throws IOException {
assertQuery("SELECT CAST('2019-01-14T12:29:25.000Z' AS DATETIME)", "CAST('2019-01-14T12:29:25.000Z' AS DATETIME)",
"datetime", "2019-01-14T12:29:25.000Z", 24);
"datetime", "2019-01-14T12:29:25.000Z", 29);
assertQuery("SELECT CAST(-26853765751000 AS DATETIME)", "CAST(-26853765751000 AS DATETIME)",
"datetime", "1119-01-15T12:37:29.000Z", 24);
"datetime", "1119-01-15T12:37:29.000Z", 29);
assertQuery("SELECT CAST(CAST('-26853765751000' AS BIGINT) AS DATETIME)", "CAST(CAST('-26853765751000' AS BIGINT) AS DATETIME)",
"datetime", "1119-01-15T12:37:29.000Z", 24);
"datetime", "1119-01-15T12:37:29.000Z", 29);

assertQuery("SELECT CAST('2019-01-14' AS DATE)", "CAST('2019-01-14' AS DATE)",
"date", "2019-01-14T00:00:00.000Z", 24);
"date", "2019-01-14T00:00:00.000Z", 29);
assertQuery("SELECT CAST(-26853765751000 AS DATE)", "CAST(-26853765751000 AS DATE)",
"date", "1119-01-15T00:00:00.000Z", 24);
"date", "1119-01-15T00:00:00.000Z", 29);

assertQuery("SELECT CAST('12:29:25.123Z' AS TIME)", "CAST('12:29:25.123Z' AS TIME)",
"time", "12:29:25.123Z", 18);
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2 changes: 1 addition & 1 deletion x-pack/plugin/sql/qa/src/main/resources/setup_mock_metadata_get_columns.sql
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Expand Up @@ -33,7 +33,7 @@ SELECT null, 'test1', 'name.keyword', 12, 'KEYWORD', 32766, 2147483647, null, nu
null, null, 12, 0, 2147483647, 1, 'YES', null, null, null, null, 'NO', 'NO'
FROM DUAL
UNION ALL
SELECT null, 'test2', 'date', 93, 'DATETIME', 24, 8, null, null,
SELECT null, 'test2', 'date', 93, 'DATETIME', 29, 8, null, null,
1, -- columnNullable
null, null, 9, 3, null, 1, 'YES', null, null, null, null, 'NO', 'NO'
FROM DUAL
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8 changes: 4 additions & 4 deletions x-pack/plugin/sql/src/main/java/org/elasticsearch/xpack/sql/type/DataType.java
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Expand Up @@ -44,12 +44,12 @@ public enum DataType {
OBJECT( "object", JDBCType.STRUCT, -1, 0, 0, false, false, false),
NESTED( "nested", JDBCType.STRUCT, -1, 0, 0, false, false, false),
BINARY( "binary", JDBCType.VARBINARY, -1, Integer.MAX_VALUE, Integer.MAX_VALUE, false, false, false),
DATE( JDBCType.DATE, Long.BYTES, 24, 24, false, false, true),
TIME( JDBCType.TIME, Long.BYTES, 3, 18, false, false, true),
// since ODBC and JDBC interpret precision for Date as display size
// the precision is 23 (number of chars in ISO8601 with millis) + Z (the UTC timezone)
// the precision is 23 (number of chars in ISO8601 with millis) + 6 chars for the timezone (e.g.: +05:00)
// see https://github.com/elastic/elasticsearch/issues/30386#issuecomment-386807288
DATETIME( "date", JDBCType.TIMESTAMP, Long.BYTES, 3, 24, false, false, true),
DATE( JDBCType.DATE, Long.BYTES, 3, 29, false, false, true),
TIME( JDBCType.TIME, Long.BYTES, 3, 18, false, false, true),
DATETIME( "date", JDBCType.TIMESTAMP, Long.BYTES, 3, 29, false, false, true),
//
// specialized types
//
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8 changes: 4 additions & 4 deletions ...l/src/test/java/org/elasticsearch/xpack/sql/plan/logical/command/sys/SysColumnsTests.java
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Expand Up @@ -50,7 +50,7 @@ public void testSysColumns() {
assertEquals("date", name(row));
assertEquals(Types.TIMESTAMP, sqlType(row));
assertEquals(null, radix(row));
assertEquals(24, precision(row));
assertEquals(29, precision(row));
assertEquals(8, bufferLength(row));

row = rows.get(5);
Expand Down Expand Up @@ -173,7 +173,7 @@ public void testSysColumnsInOdbcMode() {
assertEquals("date", name(row));
assertEquals((short) Types.TIMESTAMP, sqlType(row));
assertEquals(null, radix(row));
assertEquals(24, precision(row));
assertEquals(29, precision(row));
assertEquals(8, bufferLength(row));
assertNull(decimalPrecision(row));
assertEquals(Short.class, nullable(row).getClass());
Expand Down Expand Up @@ -308,7 +308,7 @@ public void testSysColumnsInJdbcMode() {
assertEquals("date", name(row));
assertEquals(Types.TIMESTAMP, sqlType(row));
assertEquals(null, radix(row));
assertEquals(24, precision(row));
assertEquals(29, precision(row));
assertEquals(8, bufferLength(row));
assertNull(decimalPrecision(row));
assertEquals(Integer.class, nullable(row).getClass());
Expand Down Expand Up @@ -431,4 +431,4 @@ private static Object sqlDataType(List<?> list) {
private static Object sqlDataTypeSub(List<?> list) {
return list.get(14);
}
}
}